erp/Web/js/xlsx.js

/*! xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/*exported XLSX */
/*global global, exports, module, require:false, process:false, Buffer:false, ArrayBuffer:false, DataView:false, Deno:false, Set:false, Float32Array:false */
var XLSX = {};
function make_xlsx_lib(XLSX) {
	XLSX.version = '0.20.3';
	var current_codepage = 1200, current_ansi = 1252;
	/*global cptable:true, window */
	var $cptable;

	var VALID_ANSI = [874, 932, 936, 949, 950, 1250, 1251, 1252, 1253, 1254, 1255, 1256, 1257, 1258, 10000];
	/* ECMA-376 Part I 18.4.1 charset to codepage mapping */
	var CS2CP = ({
		0: 1252, /* ANSI */
		1: 65001, /* DEFAULT */
		2: 65001, /* SYMBOL */
		77: 10000, /* MAC */
		128: 932, /* SHIFTJIS */
		129: 949, /* HANGUL */
		130: 1361, /* JOHAB */
		134: 936, /* GB2312 */
		136: 950, /* CHINESEBIG5 */
		161: 1253, /* GREEK */
		162: 1254, /* TURKISH */
		163: 1258, /* VIETNAMESE */
		177: 1255, /* HEBREW */
		178: 1256, /* ARABIC */
		186: 1257, /* BALTIC */
		204: 1251, /* RUSSIAN */
		222: 874, /* THAI */
		238: 1250, /* EASTEUROPE */
		255: 1252, /* OEM */
		69: 6969  /* MISC */
	});

	var set_ansi = function (cp) { if (VALID_ANSI.indexOf(cp) == -1) return; current_ansi = CS2CP[0] = cp; };
	function reset_ansi() { set_ansi(1252); }

	var set_cp = function (cp) { current_codepage = cp; set_ansi(cp); };
	function reset_cp() { set_cp(1200); reset_ansi(); }

	function char_codes(data) { var o = []; for (var i = 0, len = data.length; i < len; ++i) o[i] = data.charCodeAt(i); return o; }

	function utf16leread(data) {
		var o = [];
		for (var i = 0; i < (data.length >> 1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2 * i) + (data.charCodeAt(2 * i + 1) << 8));
		return o.join("");
	}
	function utf16lereadu(data) {
		var o = [];
		for (var i = 0; i < (data.length >> 1); ++i) o[i] = String.fromCharCode(data[2 * i] + (data[2 * i + 1] << 8));
		return o.join("");
	}
	function utf16beread(data) {
		var o = [];
		for (var i = 0; i < (data.length >> 1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2 * i + 1) + (data.charCodeAt(2 * i) << 8));
		return o.join("");
	}

	var debom = function (data) {
		var c1 = data.charCodeAt(0), c2 = data.charCodeAt(1);
		if (c1 == 0xFF && c2 == 0xFE) return utf16leread(data.slice(2));
		if (c1 == 0xFE && c2 == 0xFF) return utf16beread(data.slice(2));
		if (c1 == 0xFEFF) return data.slice(1);
		return data;
	};

	var _getchar = function _gc1(x) { return String.fromCharCode(x); };
	var _getansi = function _ga1(x) { return String.fromCharCode(x); };

	function set_cptable(cptable) {
		$cptable = cptable;
		set_cp = function (cp) { current_codepage = cp; set_ansi(cp); };
		debom = function (data) {
			if (data.charCodeAt(0) === 0xFF && data.charCodeAt(1) === 0xFE) { return $cptable.utils.decode(1200, char_codes(data.slice(2))); }
			return data;
		};
		_getchar = function _gc2(x) {
			if (current_codepage === 1200) return String.fromCharCode(x);
			return $cptable.utils.decode(current_codepage, [x & 255, x >> 8])[0];
		};
		_getansi = function _ga2(x) {
			return $cptable.utils.decode(current_ansi, [x])[0];
		};
		cpdoit();
	}
	var DENSE = null;
	var DIF_XL = true;
	var Base64_map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
	function Base64_encode(input) {
		var o = "";
		var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
		for (var i = 0; i < input.length;) {
			c1 = input.charCodeAt(i++);
			e1 = c1 >> 2;
			c2 = input.charCodeAt(i++);
			e2 = (c1 & 3) << 4 | c2 >> 4;
			c3 = input.charCodeAt(i++);
			e3 = (c2 & 15) << 2 | c3 >> 6;
			e4 = c3 & 63;
			if (isNaN(c2)) {
				e3 = e4 = 64;
			} else if (isNaN(c3)) {
				e4 = 64;
			}
			o += Base64_map.charAt(e1) + Base64_map.charAt(e2) + Base64_map.charAt(e3) + Base64_map.charAt(e4);
		}
		return o;
	}
	function Base64_encode_pass(input) {
		var o = "";
		var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
		for (var i = 0; i < input.length;) {
			c1 = input.charCodeAt(i++);
			if (c1 > 255)
				c1 = 95;
			e1 = c1 >> 2;
			c2 = input.charCodeAt(i++);
			if (c2 > 255)
				c2 = 95;
			e2 = (c1 & 3) << 4 | c2 >> 4;
			c3 = input.charCodeAt(i++);
			if (c3 > 255)
				c3 = 95;
			e3 = (c2 & 15) << 2 | c3 >> 6;
			e4 = c3 & 63;
			if (isNaN(c2)) {
				e3 = e4 = 64;
			} else if (isNaN(c3)) {
				e4 = 64;
			}
			o += Base64_map.charAt(e1) + Base64_map.charAt(e2) + Base64_map.charAt(e3) + Base64_map.charAt(e4);
		}
		return o;
	}
	function Base64_encode_arr(input) {
		var o = "";
		var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
		for (var i = 0; i < input.length;) {
			c1 = input[i++];
			e1 = c1 >> 2;
			c2 = input[i++];
			e2 = (c1 & 3) << 4 | c2 >> 4;
			c3 = input[i++];
			e3 = (c2 & 15) << 2 | c3 >> 6;
			e4 = c3 & 63;
			if (isNaN(c2)) {
				e3 = e4 = 64;
			} else if (isNaN(c3)) {
				e4 = 64;
			}
			o += Base64_map.charAt(e1) + Base64_map.charAt(e2) + Base64_map.charAt(e3) + Base64_map.charAt(e4);
		}
		return o;
	}
	function Base64_decode(input) {
		var o = "";
		var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
		if (input.slice(0, 5) == "data:") {
			var i = input.slice(0, 1024).indexOf(";base64,");
			if (i > -1)
				input = input.slice(i + 8);
		}
		input = input.replace(/[^\w\+\/\=]/g, "");
		for (var i = 0; i < input.length;) {
			e1 = Base64_map.indexOf(input.charAt(i++));
			e2 = Base64_map.indexOf(input.charAt(i++));
			c1 = e1 << 2 | e2 >> 4;
			o += String.fromCharCode(c1);
			e3 = Base64_map.indexOf(input.charAt(i++));
			c2 = (e2 & 15) << 4 | e3 >> 2;
			if (e3 !== 64) {
				o += String.fromCharCode(c2);
			}
			e4 = Base64_map.indexOf(input.charAt(i++));
			c3 = (e3 & 3) << 6 | e4;
			if (e4 !== 64) {
				o += String.fromCharCode(c3);
			}
		}
		return o;
	}
	var has_buf = (function () { return typeof Buffer !== 'undefined' && typeof process !== 'undefined' && typeof process.versions !== 'undefined' && !!process.versions.node; })();

	var Buffer_from = (function () {
		if (typeof Buffer !== 'undefined') {
			var nbfs = !Buffer.from;
			if (!nbfs) try { Buffer.from("foo", "utf8"); } catch (e) { nbfs = true; }
			return nbfs ? function (buf, enc) { return (enc) ? new Buffer(buf, enc) : new Buffer(buf); } : Buffer.from.bind(Buffer);
		}
		return function () { };
	})();
	var buf_utf16le = (function () {
		if (typeof Buffer === 'undefined') return false;
		var x = Buffer_from([65, 0]);
		if (!x) return false;
		var o = x.toString("utf16le");
		return o.length == 1;
	})();


	function new_raw_buf(len) {
		/* jshint -W056 */
		if (has_buf) return Buffer.alloc ? Buffer.alloc(len) : new Buffer(len);
		return typeof Uint8Array != "undefined" ? new Uint8Array(len) : new Array(len);
		/* jshint +W056 */
	}

	function new_unsafe_buf(len) {
		/* jshint -W056 */
		if (has_buf) return Buffer.allocUnsafe ? Buffer.allocUnsafe(len) : new Buffer(len);
		return typeof Uint8Array != "undefined" ? new Uint8Array(len) : new Array(len);
		/* jshint +W056 */
	}

	var s2a = function s2a(s) {
		if (has_buf) return Buffer_from(s, "binary");
		return s.split("").map(function (x) { return x.charCodeAt(0) & 0xff; });
	};

	function s2ab(s) {
		if (typeof ArrayBuffer === 'undefined') return s2a(s);
		var buf = new ArrayBuffer(s.length), view = new Uint8Array(buf);
		for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
		return buf;
	}

	function a2s(data) {
		if (Array.isArray(data)) return data.map(function (c) { return String.fromCharCode(c); }).join("");
		var o = []; for (var i = 0; i < data.length; ++i) o[i] = String.fromCharCode(data[i]); return o.join("");
	}

	function a2u(data) {
		if (typeof Uint8Array === 'undefined') throw new Error("Unsupported");
		return new Uint8Array(data);
	}

	function ab2a(data) {
		if (typeof ArrayBuffer == 'undefined') throw new Error("Unsupported");
		if (data instanceof ArrayBuffer) return ab2a(new Uint8Array(data));
		var o = new Array(data.length);
		for (var i = 0; i < data.length; ++i) o[i] = data[i];
		return o;
	}

	var bconcat = has_buf ? function (bufs) { return Buffer.concat(bufs.map(function (buf) { return Buffer.isBuffer(buf) ? buf : Buffer_from(buf); })); } : function (bufs) {
		if (typeof Uint8Array !== "undefined") {
			var i = 0, maxlen = 0;
			for (i = 0; i < bufs.length; ++i) maxlen += bufs[i].length;
			var o = new Uint8Array(maxlen);
			var len = 0;
			for (i = 0, maxlen = 0; i < bufs.length; maxlen += len, ++i) {
				len = bufs[i].length;
				if (bufs[i] instanceof Uint8Array) o.set(bufs[i], maxlen);
				else if (typeof bufs[i] == "string") o.set(new Uint8Array(s2a(bufs[i])), maxlen);
				else o.set(new Uint8Array(bufs[i]), maxlen);
			}
			return o;
		}
		return [].concat.apply([], bufs.map(function (buf) { return Array.isArray(buf) ? buf : [].slice.call(buf); }));
	};

	function utf8decode(content) {
		var out = [], widx = 0, L = content.length + 250;
		var o = new_raw_buf(content.length + 255);
		for (var ridx = 0; ridx < content.length; ++ridx) {
			var c = content.charCodeAt(ridx);
			if (c < 0x80) o[widx++] = c;
			else if (c < 0x800) {
				o[widx++] = (192 | ((c >> 6) & 31));
				o[widx++] = (128 | (c & 63));
			} else if (c >= 0xD800 && c < 0xE000) {
				c = (c & 1023) + 64;
				var d = content.charCodeAt(++ridx) & 1023;
				o[widx++] = (240 | ((c >> 8) & 7));
				o[widx++] = (128 | ((c >> 2) & 63));
				o[widx++] = (128 | ((d >> 6) & 15) | ((c & 3) << 4));
				o[widx++] = (128 | (d & 63));
			} else {
				o[widx++] = (224 | ((c >> 12) & 15));
				o[widx++] = (128 | ((c >> 6) & 63));
				o[widx++] = (128 | (c & 63));
			}
			if (widx > L) {
				out.push(o.slice(0, widx));
				widx = 0;
				o = new_raw_buf(65535);
				L = 65530;
			}
		}
		out.push(o.slice(0, widx));
		return bconcat(out);
	}

	var chr0 = /\u0000/g, chr1 = /[\u0001-\u0006]/g;
	/* ssf.js (C) 2013-present SheetJS -- http://sheetjs.com */
	/*jshint -W041 */
	function _strrev(x) { var o = "", i = x.length - 1; while (i >= 0) o += x.charAt(i--); return o; }
	function pad0(v, d) { var t = "" + v; return t.length >= d ? t : fill('0', d - t.length) + t; }
	function pad_(v, d) { var t = "" + v; return t.length >= d ? t : fill(' ', d - t.length) + t; }
	function rpad_(v, d) { var t = "" + v; return t.length >= d ? t : t + fill(' ', d - t.length); }
	function pad0r1(v, d) { var t = "" + Math.round(v); return t.length >= d ? t : fill('0', d - t.length) + t; }
	function pad0r2(v, d) { var t = "" + v; return t.length >= d ? t : fill('0', d - t.length) + t; }
	var p2_32 = Math.pow(2, 32);
	function pad0r(v, d) { if (v > p2_32 || v < -p2_32) return pad0r1(v, d); var i = Math.round(v); return pad0r2(i, d); }
	/* yes, in 2022 this is still faster than string compare */
	function SSF_isgeneral(s, i) { i = i || 0; return s.length >= 7 + i && (s.charCodeAt(i) | 32) === 103 && (s.charCodeAt(i + 1) | 32) === 101 && (s.charCodeAt(i + 2) | 32) === 110 && (s.charCodeAt(i + 3) | 32) === 101 && (s.charCodeAt(i + 4) | 32) === 114 && (s.charCodeAt(i + 5) | 32) === 97 && (s.charCodeAt(i + 6) | 32) === 108; }
	var days = [
		['Sun', 'Sunday'],
		['Mon', 'Monday'],
		['Tue', 'Tuesday'],
		['Wed', 'Wednesday'],
		['Thu', 'Thursday'],
		['Fri', 'Friday'],
		['Sat', 'Saturday']
	];
	var months = [
		['J', 'Jan', 'January'],
		['F', 'Feb', 'February'],
		['M', 'Mar', 'March'],
		['A', 'Apr', 'April'],
		['M', 'May', 'May'],
		['J', 'Jun', 'June'],
		['J', 'Jul', 'July'],
		['A', 'Aug', 'August'],
		['S', 'Sep', 'September'],
		['O', 'Oct', 'October'],
		['N', 'Nov', 'November'],
		['D', 'Dec', 'December']
	];
	function SSF_init_table(t) {
		if (!t) t = {};
		t[0] = 'General';
		t[1] = '0';
		t[2] = '0.00';
		t[3] = '#,##0';
		t[4] = '#,##0.00';
		t[9] = '0%';
		t[10] = '0.00%';
		t[11] = '0.00E+00';
		t[12] = '# ?/?';
		t[13] = '# ??/??';
		t[14] = 'm/d/yy';
		t[15] = 'd-mmm-yy';
		t[16] = 'd-mmm';
		t[17] = 'mmm-yy';
		t[18] = 'h:mm AM/PM';
		t[19] = 'h:mm:ss AM/PM';
		t[20] = 'h:mm';
		t[21] = 'h:mm:ss';
		t[22] = 'm/d/yy h:mm';
		t[37] = '#,##0 ;(#,##0)';
		t[38] = '#,##0 ;[Red](#,##0)';
		t[39] = '#,##0.00;(#,##0.00)';
		t[40] = '#,##0.00;[Red](#,##0.00)';
		t[45] = 'mm:ss';
		t[46] = '[h]:mm:ss';
		t[47] = 'mmss.0';
		t[48] = '##0.0E+0';
		t[49] = '@';
		t[56] = '"上午/下午 "hh"時"mm"分"ss"秒 "';
		return t;
	}
	/* repeated to satiate webpack */
	var table_fmt = {
		0: 'General',
		1: '0',
		2: '0.00',
		3: '#,##0',
		4: '#,##0.00',
		9: '0%',
		10: '0.00%',
		11: '0.00E+00',
		12: '# ?/?',
		13: '# ??/??',
		14: 'm/d/yy',
		15: 'd-mmm-yy',
		16: 'd-mmm',
		17: 'mmm-yy',
		18: 'h:mm AM/PM',
		19: 'h:mm:ss AM/PM',
		20: 'h:mm',
		21: 'h:mm:ss',
		22: 'm/d/yy h:mm',
		37: '#,##0 ;(#,##0)',
		38: '#,##0 ;[Red](#,##0)',
		39: '#,##0.00;(#,##0.00)',
		40: '#,##0.00;[Red](#,##0.00)',
		45: 'mm:ss',
		46: '[h]:mm:ss',
		47: 'mmss.0',
		48: '##0.0E+0',
		49: '@',
		56: '"上午/下午 "hh"時"mm"分"ss"秒 "'
	};

	/* Defaults determined by systematically testing in Excel 2019 */

	/* These formats appear to default to other formats in the table */
	var SSF_default_map = {
		5: 37, 6: 38, 7: 39, 8: 40,         //  5 -> 37 ...  8 -> 40

		23: 0, 24: 0, 25: 0, 26: 0,         // 23 ->  0 ... 26 ->  0

		27: 14, 28: 14, 29: 14, 30: 14, 31: 14, // 27 -> 14 ... 31 -> 14

		50: 14, 51: 14, 52: 14, 53: 14, 54: 14, // 50 -> 14 ... 58 -> 14
		55: 14, 56: 14, 57: 14, 58: 14,
		59: 1, 60: 2, 61: 3, 62: 4,         // 59 ->  1 ... 62 ->  4

		67: 9, 68: 10,                         // 67 ->  9 ... 68 -> 10
		69: 12, 70: 13, 71: 14,                 // 69 -> 12 ... 71 -> 14
		72: 14, 73: 15, 74: 16, 75: 17,         // 72 -> 14 ... 75 -> 17
		76: 20, 77: 21, 78: 22,                 // 76 -> 20 ... 78 -> 22
		79: 45, 80: 46, 81: 47,                 // 79 -> 45 ... 81 -> 47
		82: 0                                   // 82 ->  0 ... 65536 -> 0 (omitted)
	};


	/* These formats technically refer to Accounting formats with no equivalent */
	var SSF_default_str = {
		//  5 -- Currency,   0 decimal, black negative
		5: '"$"#,##0_);\\("$"#,##0\\)',
		63: '"$"#,##0_);\\("$"#,##0\\)',

		//  6 -- Currency,   0 decimal, red   negative
		6: '"$"#,##0_);[Red]\\("$"#,##0\\)',
		64: '"$"#,##0_);[Red]\\("$"#,##0\\)',

		//  7 -- Currency,   2 decimal, black negative
		7: '"$"#,##0.00_);\\("$"#,##0.00\\)',
		65: '"$"#,##0.00_);\\("$"#,##0.00\\)',

		//  8 -- Currency,   2 decimal, red   negative
		8: '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',
		66: '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',

		// 41 -- Accounting, 0 decimal, No Symbol
		41: '_(* #,##0_);_(* \\(#,##0\\);_(* "-"_);_(@_)',

		// 42 -- Accounting, 0 decimal, $  Symbol
		42: '_("$"* #,##0_);_("$"* \\(#,##0\\);_("$"* "-"_);_(@_)',

		// 43 -- Accounting, 2 decimal, No Symbol
		43: '_(* #,##0.00_);_(* \\(#,##0.00\\);_(* "-"??_);_(@_)',

		// 44 -- Accounting, 2 decimal, $  Symbol
		44: '_("$"* #,##0.00_);_("$"* \\(#,##0.00\\);_("$"* "-"??_);_(@_)'
	};

	function SSF_frac(x, D, mixed) {
		var sgn = x < 0 ? -1 : 1;
		var B = x * sgn;
		var P_2 = 0, P_1 = 1, P = 0;
		var Q_2 = 1, Q_1 = 0, Q = 0;
		var A = Math.floor(B);
		while (Q_1 < D) {
			A = Math.floor(B);
			P = A * P_1 + P_2;
			Q = A * Q_1 + Q_2;
			if ((B - A) < 0.00000005) break;
			B = 1 / (B - A);
			P_2 = P_1; P_1 = P;
			Q_2 = Q_1; Q_1 = Q;
		}
		if (Q > D) { if (Q_1 > D) { Q = Q_2; P = P_2; } else { Q = Q_1; P = P_1; } }
		if (!mixed) return [0, sgn * P, Q];
		var q = Math.floor(sgn * P / Q);
		return [q, sgn * P - q * Q, Q];
	}
	function SSF_normalize_xl_unsafe(v) {
		var s = v.toPrecision(16);
		if (s.indexOf("e") > -1) {
			var m = s.slice(0, s.indexOf("e"));
			m = m.indexOf(".") > -1 ? m.slice(0, (m.slice(0, 2) == "0." ? 17 : 16)) : (m.slice(0, 15) + fill("0", m.length - 15));
			return m + s.slice(s.indexOf("e"));
		}
		var n = s.indexOf(".") > -1 ? s.slice(0, (s.slice(0, 2) == "0." ? 17 : 16)) : (s.slice(0, 15) + fill("0", s.length - 15));
		return Number(n);
	}

	function SSF_parse_date_code(v, opts, b2) {
		if (v > 2958465 || v < 0) return null;
		v = SSF_normalize_xl_unsafe(v);
		var date = (v | 0), time = Math.floor(86400 * (v - date)), dow = 0;
		var dout = [];
		var out = { D: date, T: time, u: 86400 * (v - date) - time, y: 0, m: 0, d: 0, H: 0, M: 0, S: 0, q: 0 };
		if (Math.abs(out.u) < 1e-6) out.u = 0;
		if (opts && opts.date1904) date += 1462;
		if (out.u > 0.9999) {
			out.u = 0;
			if (++time == 86400) { out.T = time = 0; ++date; ++out.D; }
		}
		if (date === 60) { dout = b2 ? [1317, 10, 29] : [1900, 2, 29]; dow = 3; }
		else if (date === 0) { dout = b2 ? [1317, 8, 29] : [1900, 1, 0]; dow = 6; }
		else {
			if (date > 60) --date;
			/* 1 = Jan 1 1900 in Gregorian */
			var d = new Date(1900, 0, 1);
			d.setDate(d.getDate() + date - 1);
			dout = [d.getFullYear(), d.getMonth() + 1, d.getDate()];
			dow = d.getDay();
			if (date < 60) dow = (dow + 6) % 7;
			if (b2) dow = SSF_fix_hijri(d, dout);
		}
		out.y = dout[0]; out.m = dout[1]; out.d = dout[2];
		out.S = time % 60; time = Math.floor(time / 60);
		out.M = time % 60; time = Math.floor(time / 60);
		out.H = time;
		out.q = dow;
		return out;
	}
	/* ECMA-376 18.8.30 numFmt*/
	/* Note: `toPrecision` uses standard form when prec > E and E >= -6 */
	/* exponent >= -9 and <= 9 */
	function SSF_strip_decimal(o) {
		return (o.indexOf(".") == -1) ? o : o.replace(/(?:\.0*|(\.\d*[1-9])0+)$/, "$1");
	}

	/* General Exponential always shows 2 digits exp and trims the mantissa */
	function SSF_normalize_exp(o) {
		if (o.indexOf("E") == -1) return o;
		return o.replace(/(?:\.0*|(\.\d*[1-9])0+)[Ee]/, "$1E").replace(/(E[+-])(\d)$/, "$10$2");
	}

	/* exponent >= -9 and <= 9 */
	function SSF_small_exp(v) {
		var w = (v < 0 ? 12 : 11);
		var o = SSF_strip_decimal(v.toFixed(12)); if (o.length <= w) return o;
		o = v.toPrecision(10); if (o.length <= w) return o;
		return v.toExponential(5);
	}

	/* exponent >= 11 or <= -10 likely exponential */
	function SSF_large_exp(v) {
		var o = SSF_strip_decimal(v.toFixed(11));
		return (o.length > (v < 0 ? 12 : 11) || o === "0" || o === "-0") ? v.toPrecision(6) : o;
	}

	function SSF_general_num(v) {
		if (!isFinite(v)) return isNaN(v) ? "#NUM!" : "#DIV/0!";
		var V = Math.floor(Math.log(Math.abs(v)) * Math.LOG10E), o;

		if (V >= -4 && V <= -1) o = v.toPrecision(10 + V);
		else if (Math.abs(V) <= 9) o = SSF_small_exp(v);
		else if (V === 10) o = v.toFixed(10).substr(0, 12);
		else o = SSF_large_exp(v);

		return SSF_strip_decimal(SSF_normalize_exp(o.toUpperCase()));
	}


	/*
		"General" rules:
		- text is passed through ("@")
		- booleans are rendered as TRUE/FALSE
		- "up to 11 characters" displayed for numbers
		- Default date format (code 14) used for Dates
	
		The longest 32-bit integer text is "-2147483648", exactly 11 chars
		TODO: technically the display depends on the width of the cell
	*/
	function SSF_general(v, opts) {
		switch (typeof v) {
			case 'string': return v;
			case 'boolean': return v ? "TRUE" : "FALSE";
			case 'number': return (v | 0) === v ? v.toString(10) : SSF_general_num(v);
			case 'undefined': return "";
			case 'object':
				if (v == null) return "";
				if (v instanceof Date) return SSF_format(14, datenum(v, opts && opts.date1904), opts);
		}
		throw new Error("unsupported value in General format: " + v);
	}

	function SSF_fix_hijri(date, o) {
		/* TODO: properly adjust y/m/d and  */
		o[0] -= 581;
		var dow = date.getDay();
		if (date < 60) dow = (dow + 6) % 7;
		return dow;
	}
	//var THAI_DIGITS = "\u0E50\u0E51\u0E52\u0E53\u0E54\u0E55\u0E56\u0E57\u0E58\u0E59".split("");
	function SSF_write_date(type, fmt, val, ss0) {
		var o = "", ss = 0, tt = 0, y = val.y, out, outl = 0;
		switch (type) {
			case 98: /* 'b' buddhist year */
				y = val.y + 543;
			/* falls through */
			case 121: /* 'y' year */
				switch (fmt.length) {
					case 1: case 2: out = y % 100; outl = 2; break;
					default: out = y % 10000; outl = 4; break;
				} break;
			case 109: /* 'm' month */
				switch (fmt.length) {
					case 1: case 2: out = val.m; outl = fmt.length; break;
					case 3: return months[val.m - 1][1];
					case 5: return months[val.m - 1][0];
					default: return months[val.m - 1][2];
				} break;
			case 100: /* 'd' day */
				switch (fmt.length) {
					case 1: case 2: out = val.d; outl = fmt.length; break;
					case 3: return days[val.q][0];
					default: return days[val.q][1];
				} break;
			case 104: /* 'h' 12-hour */
				switch (fmt.length) {
					case 1: case 2: out = 1 + (val.H + 11) % 12; outl = fmt.length; break;
					default: throw 'bad hour format: ' + fmt;
				} break;
			case 72: /* 'H' 24-hour */
				switch (fmt.length) {
					case 1: case 2: out = val.H; outl = fmt.length; break;
					default: throw 'bad hour format: ' + fmt;
				} break;
			case 77: /* 'M' minutes */
				switch (fmt.length) {
					case 1: case 2: out = val.M; outl = fmt.length; break;
					default: throw 'bad minute format: ' + fmt;
				} break;
			case 115: /* 's' seconds */
				if (fmt != 's' && fmt != 'ss' && fmt != '.0' && fmt != '.00' && fmt != '.000') throw 'bad second format: ' + fmt;
				if (val.u === 0 && (fmt == "s" || fmt == "ss")) return pad0(val.S, fmt.length);
				if (ss0 >= 2) tt = ss0 === 3 ? 1000 : 100;
				else tt = ss0 === 1 ? 10 : 1;
				ss = Math.round((tt) * (val.S + val.u));
				if (ss >= 60 * tt) ss = 0;
				if (fmt === 's') return ss === 0 ? "0" : "" + ss / tt;
				o = pad0(ss, 2 + ss0);
				if (fmt === 'ss') return o.substr(0, 2);
				return "." + o.substr(2, fmt.length - 1);
			case 90: /* 'Z' absolute time */
				switch (fmt) {
					case '[h]': case '[hh]': out = val.D * 24 + val.H; break;
					case '[m]': case '[mm]': out = (val.D * 24 + val.H) * 60 + val.M; break;
					case '[s]': case '[ss]': out = ((val.D * 24 + val.H) * 60 + val.M) * 60 + (ss0 == 0 ? Math.round(val.S + val.u) : val.S); break;
					default: throw 'bad abstime format: ' + fmt;
				} outl = fmt.length === 3 ? 1 : 2; break;
			case 101: /* 'e' era */
				out = y; outl = 1; break;
		}
		var outstr = outl > 0 ? pad0(out, outl) : "";
		return outstr;
	}


	/*jshint -W086 */
	/*jshint +W086 */
	function commaify(s) {
		var w = 3;
		if (s.length <= w) return s;
		var j = (s.length % w), o = s.substr(0, j);
		for (; j != s.length; j += w) o += (o.length > 0 ? "," : "") + s.substr(j, w);
		return o;
	}
	var pct1 = /%/g;
	function write_num_pct(type, fmt, val) {
		var sfmt = fmt.replace(pct1, ""), mul = fmt.length - sfmt.length;
		return write_num(type, sfmt, val * Math.pow(10, 2 * mul)) + fill("%", mul);
	}

	function write_num_cm(type, fmt, val) {
		var idx = fmt.length - 1;
		while (fmt.charCodeAt(idx - 1) === 44) --idx;
		return write_num(type, fmt.substr(0, idx), val / Math.pow(10, 3 * (fmt.length - idx)));
	}

	function write_num_exp(fmt, val) {
		var o;
		var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
		if (fmt.match(/^#+0.0E\+0$/)) {
			if (val == 0) return "0.0E+0";
			else if (val < 0) return "-" + write_num_exp(fmt, -val);
			var period = fmt.indexOf("."); if (period === -1) period = fmt.indexOf('E');
			var ee = Math.floor(Math.log(val) * Math.LOG10E) % period;
			if (ee < 0) ee += period;
			o = (val / Math.pow(10, ee)).toPrecision(idx + 1 + (period + ee) % period);
			if (o.indexOf("e") === -1) {
				var fakee = Math.floor(Math.log(val) * Math.LOG10E);
				if (o.indexOf(".") === -1) o = o.charAt(0) + "." + o.substr(1) + "E+" + (fakee - o.length + ee);
				else o += "E+" + (fakee - ee);
				while (o.substr(0, 2) === "0.") {
					o = o.charAt(0) + o.substr(2, period) + "." + o.substr(2 + period);
					o = o.replace(/^0+([1-9])/, "$1").replace(/^0+\./, "0.");
				}
				o = o.replace(/\+-/, "-");
			}
			o = o.replace(/^([+-]?)(\d*)\.(\d*)[Ee]/, function ($$, $1, $2, $3) { return $1 + $2 + $3.substr(0, (period + ee) % period) + "." + $3.substr(ee) + "E"; });
		} else o = val.toExponential(idx);
		if (fmt.match(/E\+00$/) && o.match(/e[+-]\d$/)) o = o.substr(0, o.length - 1) + "0" + o.charAt(o.length - 1);
		if (fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/, "e");
		return o.replace("e", "E");
	}
	var frac1 = /# (\?+)( ?)\/( ?)(\d+)/;
	function write_num_f1(r, aval, sign) {
		var den = parseInt(r[4], 10), rr = Math.round(aval * den), base = Math.floor(rr / den);
		var myn = (rr - base * den), myd = den;
		return sign + (base === 0 ? "" : "" + base) + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[4].length) : pad_(myn, r[1].length) + r[2] + "/" + r[3] + pad0(myd, r[4].length));
	}
	function write_num_f2(r, aval, sign) {
		return sign + (aval === 0 ? "" : "" + aval) + fill(" ", r[1].length + 2 + r[4].length);
	}
	var dec1 = /^#*0*\.([0#]+)/;
	var closeparen = /\)[^)]*[0#]/;
	var phone = /\(###\) ###\\?-####/;
	function hashq(str) {
		var o = "", cc;
		for (var i = 0; i != str.length; ++i) switch ((cc = str.charCodeAt(i))) {
			case 35: break;
			case 63: o += " "; break;
			case 48: o += "0"; break;
			default: o += String.fromCharCode(cc);
		}
		return o;
	}
	function rnd(val, d) { var dd = Math.pow(10, d); return "" + (Math.round(val * dd) / dd); }
	function dec(val, d) {
		var _frac = val - Math.floor(val), dd = Math.pow(10, d);
		if (d < ('' + Math.round(_frac * dd)).length) return 0;
		return Math.round(_frac * dd);
	}
	function carry(val, d) {
		if (d < ('' + Math.round((val - Math.floor(val)) * Math.pow(10, d))).length) {
			return 1;
		}
		return 0;
	}
	function flr(val) {
		if (val < 2147483647 && val > -2147483648) return "" + (val >= 0 ? (val | 0) : (val - 1 | 0));
		return "" + Math.floor(val);
	}
	function write_num_flt(type, fmt, val) {
		if (type.charCodeAt(0) === 40 && !fmt.match(closeparen)) {
			var ffmt = fmt.replace(/\( */, "").replace(/ \)/, "").replace(/\)/, "");
			if (val >= 0) return write_num_flt('n', ffmt, val);
			return '(' + write_num_flt('n', ffmt, -val) + ')';
		}
		if (fmt.charCodeAt(fmt.length - 1) === 44) return write_num_cm(type, fmt, val);
		if (fmt.indexOf('%') !== -1) return write_num_pct(type, fmt, val);
		if (fmt.indexOf('E') !== -1) return write_num_exp(fmt, val);
		if (fmt.charCodeAt(0) === 36) return "$" + write_num_flt(type, fmt.substr(fmt.charAt(1) == ' ' ? 2 : 1), val);
		var o;
		var r, ri, ff, aval = Math.abs(val), sign = val < 0 ? "-" : "";
		if (fmt.match(/^00+$/)) return sign + pad0r(aval, fmt.length);
		if (fmt.match(/^[#?]+$/)) {
			o = pad0r(val, 0); if (o === "0") o = "";
			return o.length > fmt.length ? o : hashq(fmt.substr(0, fmt.length - o.length)) + o;
		}
		if ((r = fmt.match(frac1))) return write_num_f1(r, aval, sign);
		if (fmt.match(/^#+0+$/)) return sign + pad0r(aval, fmt.length - fmt.indexOf("0"));
		if ((r = fmt.match(dec1))) {
			o = rnd(val, r[1].length).replace(/^([^\.]+)$/, "$1." + hashq(r[1])).replace(/\.$/, "." + hashq(r[1])).replace(/\.(\d*)$/, function ($$, $1) { return "." + $1 + fill("0", hashq(r[1]).length - $1.length); });
			return fmt.indexOf("0.") !== -1 ? o : o.replace(/^0\./, ".");
		}
		fmt = fmt.replace(/^#+([0.])/, "$1");
		if ((r = fmt.match(/^(0*)\.(#*)$/))) {
			return sign + rnd(aval, r[2].length).replace(/\.(\d*[1-9])0*$/, ".$1").replace(/^(-?\d*)$/, "$1.").replace(/^0\./, r[1].length ? "0." : ".");
		}
		if ((r = fmt.match(/^#{1,3},##0(\.?)$/))) return sign + commaify(pad0r(aval, 0));
		if ((r = fmt.match(/^#,##0\.([#0]*0)$/))) {
			return val < 0 ? "-" + write_num_flt(type, fmt, -val) : commaify("" + (Math.floor(val) + carry(val, r[1].length))) + "." + pad0(dec(val, r[1].length), r[1].length);
		}
		if ((r = fmt.match(/^#,#*,#0/))) return write_num_flt(type, fmt.replace(/^#,#*,/, ""), val);
		if ((r = fmt.match(/^([0#]+)(\\?-([0#]+))+$/))) {
			o = _strrev(write_num_flt(type, fmt.replace(/[\\-]/g, ""), val));
			ri = 0;
			return _strrev(_strrev(fmt.replace(/\\/g, "")).replace(/[0#]/g, function (x) { return ri < o.length ? o.charAt(ri++) : x === '0' ? '0' : ""; }));
		}
		if (fmt.match(phone)) {
			o = write_num_flt(type, "##########", val);
			return "(" + o.substr(0, 3) + ") " + o.substr(3, 3) + "-" + o.substr(6);
		}
		var oa = "";
		if ((r = fmt.match(/^([#0?]+)( ?)\/( ?)([#0?]+)/))) {
			ri = Math.min(r[4].length, 7);
			ff = SSF_frac(aval, Math.pow(10, ri) - 1, false);
			o = "" + sign;
			oa = write_num("n", r[1], ff[1]);
			if (oa.charAt(oa.length - 1) == " ") oa = oa.substr(0, oa.length - 1) + "0";
			o += oa + r[2] + "/" + r[3];
			oa = rpad_(ff[2], ri);
			if (oa.length < r[4].length) oa = hashq(r[4].substr(r[4].length - oa.length)) + oa;
			o += oa;
			return o;
		}
		if ((r = fmt.match(/^# ([#0?]+)( ?)\/( ?)([#0?]+)/))) {
			ri = Math.min(Math.max(r[1].length, r[4].length), 7);
			ff = SSF_frac(aval, Math.pow(10, ri) - 1, true);
			return sign + (ff[0] || (ff[1] ? "" : "0")) + " " + (ff[1] ? pad_(ff[1], ri) + r[2] + "/" + r[3] + rpad_(ff[2], ri) : fill(" ", 2 * ri + 1 + r[2].length + r[3].length));
		}
		if ((r = fmt.match(/^[#0?]+$/))) {
			o = pad0r(val, 0);
			if (fmt.length <= o.length) return o;
			return hashq(fmt.substr(0, fmt.length - o.length)) + o;
		}
		if ((r = fmt.match(/^([#0?]+)\.([#0]+)$/))) {
			o = "" + val.toFixed(Math.min(r[2].length, 10)).replace(/([^0])0+$/, "$1");
			ri = o.indexOf(".");
			var lres = fmt.indexOf(".") - ri, rres = fmt.length - o.length - lres;
			return hashq(fmt.substr(0, lres) + o + fmt.substr(fmt.length - rres));
		}
		if ((r = fmt.match(/^00,000\.([#0]*0)$/))) {
			ri = dec(val, r[1].length);
			return val < 0 ? "-" + write_num_flt(type, fmt, -val) : commaify(flr(val)).replace(/^\d,\d{3}$/, "0$&").replace(/^\d*$/, function ($$) { return "00," + ($$.length < 3 ? pad0(0, 3 - $$.length) : "") + $$; }) + "." + pad0(ri, r[1].length);
		}
		switch (fmt) {
			case "###,##0.00": return write_num_flt(type, "#,##0.00", val);
			case "###,###":
			case "##,###":
			case "#,###": var x = commaify(pad0r(aval, 0)); return x !== "0" ? sign + x : "";
			case "###,###.00": return write_num_flt(type, "###,##0.00", val).replace(/^0\./, ".");
			case "#,###.00": return write_num_flt(type, "#,##0.00", val).replace(/^0\./, ".");
			default:
		}
		throw new Error("unsupported format |" + fmt + "|");
	}
	function write_num_cm2(type, fmt, val) {
		var idx = fmt.length - 1;
		while (fmt.charCodeAt(idx - 1) === 44) --idx;
		return write_num(type, fmt.substr(0, idx), val / Math.pow(10, 3 * (fmt.length - idx)));
	}
	function write_num_pct2(type, fmt, val) {
		var sfmt = fmt.replace(pct1, ""), mul = fmt.length - sfmt.length;
		return write_num(type, sfmt, val * Math.pow(10, 2 * mul)) + fill("%", mul);
	}
	function write_num_exp2(fmt, val) {
		var o;
		var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
		if (fmt.match(/^#+0.0E\+0$/)) {
			if (val == 0) return "0.0E+0";
			else if (val < 0) return "-" + write_num_exp2(fmt, -val);
			var period = fmt.indexOf("."); if (period === -1) period = fmt.indexOf('E');
			var ee = Math.floor(Math.log(val) * Math.LOG10E) % period;
			if (ee < 0) ee += period;
			o = (val / Math.pow(10, ee)).toPrecision(idx + 1 + (period + ee) % period);
			if (!o.match(/[Ee]/)) {
				var fakee = Math.floor(Math.log(val) * Math.LOG10E);
				if (o.indexOf(".") === -1) o = o.charAt(0) + "." + o.substr(1) + "E+" + (fakee - o.length + ee);
				else o += "E+" + (fakee - ee);
				o = o.replace(/\+-/, "-");
			}
			o = o.replace(/^([+-]?)(\d*)\.(\d*)[Ee]/, function ($$, $1, $2, $3) { return $1 + $2 + $3.substr(0, (period + ee) % period) + "." + $3.substr(ee) + "E"; });
		} else o = val.toExponential(idx);
		if (fmt.match(/E\+00$/) && o.match(/e[+-]\d$/)) o = o.substr(0, o.length - 1) + "0" + o.charAt(o.length - 1);
		if (fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/, "e");
		return o.replace("e", "E");
	}
	function write_num_int(type, fmt, val) {
		if (type.charCodeAt(0) === 40 && !fmt.match(closeparen)) {
			var ffmt = fmt.replace(/\( */, "").replace(/ \)/, "").replace(/\)/, "");
			if (val >= 0) return write_num_int('n', ffmt, val);
			return '(' + write_num_int('n', ffmt, -val) + ')';
		}
		if (fmt.charCodeAt(fmt.length - 1) === 44) return write_num_cm2(type, fmt, val);
		if (fmt.indexOf('%') !== -1) return write_num_pct2(type, fmt, val);
		if (fmt.indexOf('E') !== -1) return write_num_exp2(fmt, val);
		if (fmt.charCodeAt(0) === 36) return "$" + write_num_int(type, fmt.substr(fmt.charAt(1) == ' ' ? 2 : 1), val);
		var o;
		var r, ri, ff, aval = Math.abs(val), sign = val < 0 ? "-" : "";
		if (fmt.match(/^00+$/)) return sign + pad0(aval, fmt.length);
		if (fmt.match(/^[#?]+$/)) {
			o = ("" + val); if (val === 0) o = "";
			return o.length > fmt.length ? o : hashq(fmt.substr(0, fmt.length - o.length)) + o;
		}
		if ((r = fmt.match(frac1))) return write_num_f2(r, aval, sign);
		if (fmt.match(/^#+0+$/)) return sign + pad0(aval, fmt.length - fmt.indexOf("0"));
		if ((r = fmt.match(dec1))) {
			o = ("" + val).replace(/^([^\.]+)$/, "$1." + hashq(r[1])).replace(/\.$/, "." + hashq(r[1]));
			o = o.replace(/\.(\d*)$/, function ($$, $1) {
				return "." + $1 + fill("0", hashq(r[1]).length - $1.length);
			});
			return fmt.indexOf("0.") !== -1 ? o : o.replace(/^0\./, ".");
		}
		fmt = fmt.replace(/^#+([0.])/, "$1");
		if ((r = fmt.match(/^(0*)\.(#*)$/))) {
			return sign + ("" + aval).replace(/\.(\d*[1-9])0*$/, ".$1").replace(/^(-?\d*)$/, "$1.").replace(/^0\./, r[1].length ? "0." : ".");
		}
		if ((r = fmt.match(/^#{1,3},##0(\.?)$/))) return sign + commaify(("" + aval));
		if ((r = fmt.match(/^#,##0\.([#0]*0)$/))) {
			return val < 0 ? "-" + write_num_int(type, fmt, -val) : commaify(("" + val)) + "." + fill('0', r[1].length);
		}
		if ((r = fmt.match(/^#,#*,#0/))) return write_num_int(type, fmt.replace(/^#,#*,/, ""), val);
		if ((r = fmt.match(/^([0#]+)(\\?-([0#]+))+$/))) {
			o = _strrev(write_num_int(type, fmt.replace(/[\\-]/g, ""), val));
			ri = 0;
			return _strrev(_strrev(fmt.replace(/\\/g, "")).replace(/[0#]/g, function (x) { return ri < o.length ? o.charAt(ri++) : x === '0' ? '0' : ""; }));
		}
		if (fmt.match(phone)) {
			o = write_num_int(type, "##########", val);
			return "(" + o.substr(0, 3) + ") " + o.substr(3, 3) + "-" + o.substr(6);
		}
		var oa = "";
		if ((r = fmt.match(/^([#0?]+)( ?)\/( ?)([#0?]+)/))) {
			ri = Math.min(r[4].length, 7);
			ff = SSF_frac(aval, Math.pow(10, ri) - 1, false);
			o = "" + sign;
			oa = write_num("n", r[1], ff[1]);
			if (oa.charAt(oa.length - 1) == " ") oa = oa.substr(0, oa.length - 1) + "0";
			o += oa + r[2] + "/" + r[3];
			oa = rpad_(ff[2], ri);
			if (oa.length < r[4].length) oa = hashq(r[4].substr(r[4].length - oa.length)) + oa;
			o += oa;
			return o;
		}
		if ((r = fmt.match(/^# ([#0?]+)( ?)\/( ?)([#0?]+)/))) {
			ri = Math.min(Math.max(r[1].length, r[4].length), 7);
			ff = SSF_frac(aval, Math.pow(10, ri) - 1, true);
			return sign + (ff[0] || (ff[1] ? "" : "0")) + " " + (ff[1] ? pad_(ff[1], ri) + r[2] + "/" + r[3] + rpad_(ff[2], ri) : fill(" ", 2 * ri + 1 + r[2].length + r[3].length));
		}
		if ((r = fmt.match(/^[#0?]+$/))) {
			o = "" + val;
			if (fmt.length <= o.length) return o;
			return hashq(fmt.substr(0, fmt.length - o.length)) + o;
		}
		if ((r = fmt.match(/^([#0]+)\.([#0]+)$/))) {
			o = "" + val.toFixed(Math.min(r[2].length, 10)).replace(/([^0])0+$/, "$1");
			ri = o.indexOf(".");
			var lres = fmt.indexOf(".") - ri, rres = fmt.length - o.length - lres;
			return hashq(fmt.substr(0, lres) + o + fmt.substr(fmt.length - rres));
		}
		if ((r = fmt.match(/^00,000\.([#0]*0)$/))) {
			return val < 0 ? "-" + write_num_int(type, fmt, -val) : commaify("" + val).replace(/^\d,\d{3}$/, "0$&").replace(/^\d*$/, function ($$) { return "00," + ($$.length < 3 ? pad0(0, 3 - $$.length) : "") + $$; }) + "." + pad0(0, r[1].length);
		}
		switch (fmt) {
			case "###,###":
			case "##,###":
			case "#,###": var x = commaify("" + aval); return x !== "0" ? sign + x : "";
			default:
				if (fmt.match(/\.[0#?]*$/)) return write_num_int(type, fmt.slice(0, fmt.lastIndexOf(".")), val) + hashq(fmt.slice(fmt.lastIndexOf(".")));
		}
		throw new Error("unsupported format |" + fmt + "|");
	}
	function write_num(type, fmt, val) {
		return (val | 0) === val ? write_num_int(type, fmt, val) : write_num_flt(type, fmt, val);
	}
	function SSF_split_fmt(fmt) {
		var out = [];
		var in_str = false/*, cc*/;
		for (var i = 0, j = 0; i < fmt.length; ++i) switch ((/*cc=*/fmt.charCodeAt(i))) {
			case 34: /* '"' */
				in_str = !in_str; break;
			case 95: case 42: case 92: /* '_' '*' '\\' */
				++i; break;
			case 59: /* ';' */
				out[out.length] = fmt.substr(j, i - j);
				j = i + 1;
		}
		out[out.length] = fmt.substr(j);
		if (in_str === true) throw new Error("Format |" + fmt + "| unterminated string ");
		return out;
	}

	var SSF_abstime = /\[[HhMmSs\u0E0A\u0E19\u0E17]*\]/;
	function fmt_is_date(fmt) {
		var i = 0, /*cc = 0,*/ c = "", o = "";
		while (i < fmt.length) {
			switch ((c = fmt.charAt(i))) {
				case 'G': if (SSF_isgeneral(fmt, i)) i += 6; i++; break;
				case '"': for (; (/*cc=*/fmt.charCodeAt(++i)) !== 34 && i < fmt.length;) {/*empty*/ } ++i; break;
				case '\\': i += 2; break;
				case '_': i += 2; break;
				case '@': ++i; break;
				case 'B': case 'b':
					if (fmt.charAt(i + 1) === "1" || fmt.charAt(i + 1) === "2") return true;
				/* falls through */
				case 'M': case 'D': case 'Y': case 'H': case 'S': case 'E':
				/* falls through */
				case 'm': case 'd': case 'y': case 'h': case 's': case 'e': case 'g': return true;
				case 'A': case 'a': case '上':
					if (fmt.substr(i, 3).toUpperCase() === "A/P") return true;
					if (fmt.substr(i, 5).toUpperCase() === "AM/PM") return true;
					if (fmt.substr(i, 5).toUpperCase() === "上午/下午") return true;
					++i; break;
				case '[':
					o = c;
					while (fmt.charAt(i++) !== ']' && i < fmt.length) o += fmt.charAt(i);
					if (o.match(SSF_abstime)) return true;
					break;
				case '.':
				/* falls through */
				case '0': case '#':
					while (i < fmt.length && ("0#?.,E+-%".indexOf(c = fmt.charAt(++i)) > -1 || (c == '\\' && fmt.charAt(i + 1) == "-" && "0#".indexOf(fmt.charAt(i + 2)) > -1))) {/* empty */ }
					break;
				case '?': while (fmt.charAt(++i) === c) {/* empty */ } break;
				case '*': ++i; if (fmt.charAt(i) == ' ' || fmt.charAt(i) == '*') ++i; break;
				case '(': case ')': ++i; break;
				case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
					while (i < fmt.length && "0123456789".indexOf(fmt.charAt(++i)) > -1) {/* empty */ } break;
				case ' ': ++i; break;
				default: ++i; break;
			}
		}
		return false;
	}

	function eval_fmt(fmt, v, opts, flen) {
		var out = [], o = "", i = 0, c = "", lst = 't', dt, j, cc;
		var hr = 'H';
		/* Tokenize */
		while (i < fmt.length) {
			switch ((c = fmt.charAt(i))) {
				case 'G': /* General */
					if (!SSF_isgeneral(fmt, i)) throw new Error('unrecognized character ' + c + ' in ' + fmt);
					out[out.length] = { t: 'G', v: 'General' }; i += 7; break;
				case '"': /* Literal text */
					for (o = ""; (cc = fmt.charCodeAt(++i)) !== 34 && i < fmt.length;) o += String.fromCharCode(cc);
					out[out.length] = { t: 't', v: o }; ++i; break;
				case '\\': var w = fmt.charAt(++i), t = (w === "(" || w === ")") ? w : 't';
					out[out.length] = { t: t, v: w }; ++i; break;
				case '_': out[out.length] = { t: 't', v: " " }; i += 2; break;
				case '@': /* Text Placeholder */
					out[out.length] = { t: 'T', v: v }; ++i; break;
				case 'B': case 'b':
					if (fmt.charAt(i + 1) === "1" || fmt.charAt(i + 1) === "2") {
						if (dt == null) { dt = SSF_parse_date_code(v, opts, fmt.charAt(i + 1) === "2"); if (dt == null) return ""; }
						out[out.length] = { t: 'X', v: fmt.substr(i, 2) }; lst = c; i += 2; break;
					}
				/* falls through */
				case 'M': case 'D': case 'Y': case 'H': case 'S': case 'E':
					c = c.toLowerCase();
				/* falls through */
				case 'm': case 'd': case 'y': case 'h': case 's': case 'e': case 'g':
					if (v < 0) return "";
					if (dt == null) { dt = SSF_parse_date_code(v, opts); if (dt == null) return ""; }
					o = c; while (++i < fmt.length && fmt.charAt(i).toLowerCase() === c) o += c;
					if (c === 'm' && lst.toLowerCase() === 'h') c = 'M';
					if (c === 'h') c = hr;
					out[out.length] = { t: c, v: o }; lst = c; break;
				case 'A': case 'a': case '上':
					var q = { t: c, v: c };
					if (dt == null) dt = SSF_parse_date_code(v, opts);
					if (fmt.substr(i, 3).toUpperCase() === "A/P") { if (dt != null) q.v = dt.H >= 12 ? fmt.charAt(i + 2) : c; q.t = 'T'; hr = 'h'; i += 3; }
					else if (fmt.substr(i, 5).toUpperCase() === "AM/PM") { if (dt != null) q.v = dt.H >= 12 ? "PM" : "AM"; q.t = 'T'; i += 5; hr = 'h'; }
					else if (fmt.substr(i, 5).toUpperCase() === "上午/下午") { if (dt != null) q.v = dt.H >= 12 ? "下午" : "上午"; q.t = 'T'; i += 5; hr = 'h'; }
					else { q.t = "t"; ++i; }
					if (dt == null && q.t === 'T') return "";
					out[out.length] = q; lst = c; break;
				case '[':
					o = c;
					while (fmt.charAt(i++) !== ']' && i < fmt.length) o += fmt.charAt(i);
					if (o.slice(-1) !== ']') throw 'unterminated "[" block: |' + o + '|';
					if (o.match(SSF_abstime)) {
						if (dt == null) { dt = SSF_parse_date_code(v, opts); if (dt == null) return ""; }
						out[out.length] = { t: 'Z', v: o.toLowerCase() };
						lst = o.charAt(1);
					} else if (o.indexOf("$") > -1) {
						o = (o.match(/\$([^-\[\]]*)/) || [])[1] || "$";
						if (!fmt_is_date(fmt)) out[out.length] = { t: 't', v: o };
					}
					break;
				/* Numbers */
				case '.':
					if (dt != null) {
						o = c; while (++i < fmt.length && (c = fmt.charAt(i)) === "0") o += c;
						out[out.length] = { t: 's', v: o }; break;
					}
				/* falls through */
				case '0': case '#':
					o = c; while (++i < fmt.length && "0#?.,E+-%".indexOf(c = fmt.charAt(i)) > -1) o += c;
					out[out.length] = { t: 'n', v: o }; break;
				case '?':
					o = c; while (fmt.charAt(++i) === c) o += c;
					out[out.length] = { t: c, v: o }; lst = c; break;
				case '*': ++i; if (fmt.charAt(i) == ' ' || fmt.charAt(i) == '*') ++i; break; // **
				case '(': case ')': out[out.length] = { t: (flen === 1 ? 't' : c), v: c }; ++i; break;
				case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
					o = c; while (i < fmt.length && "0123456789".indexOf(fmt.charAt(++i)) > -1) o += fmt.charAt(i);
					out[out.length] = { t: 'D', v: o }; break;
				case ' ': out[out.length] = { t: c, v: c }; ++i; break;
				case '$': out[out.length] = { t: 't', v: '$' }; ++i; break;
				default:
					if (",$-+/():!^&'~{}<>=€acfijklopqrtuvwxzP".indexOf(c) === -1) throw new Error('unrecognized character ' + c + ' in ' + fmt);
					out[out.length] = { t: 't', v: c }; ++i; break;
			}
		}

		/* Scan for date/time parts */
		var bt = 0, ss0 = 0, ssm;
		for (i = out.length - 1, lst = 't'; i >= 0; --i) {
			switch (out[i].t) {
				case 'h': case 'H': out[i].t = hr; lst = 'h'; if (bt < 1) bt = 1; break;
				case 's':
					if ((ssm = out[i].v.match(/\.0+$/))) { ss0 = Math.max(ss0, ssm[0].length - 1); bt = 4; }
					if (bt < 3) bt = 3;
				/* falls through */
				case 'd': case 'y': case 'e': lst = out[i].t; break;
				case 'M': lst = out[i].t; if (bt < 2) bt = 2; break;
				case 'm': if (lst === 's') { out[i].t = 'M'; if (bt < 2) bt = 2; } break;
				case 'X': /*if(out[i].v === "B2");*/
					break;
				case 'Z':
					if (bt < 1 && out[i].v.match(/[Hh]/)) bt = 1;
					if (bt < 2 && out[i].v.match(/[Mm]/)) bt = 2;
					if (bt < 3 && out[i].v.match(/[Ss]/)) bt = 3;
			}
		}

		/* time rounding depends on presence of minute / second / usec fields */
		var _dt;
		switch (bt) {
			case 0: break;
			case 1:
			case 2:
			case 3:
				if (dt.u >= 0.5) { dt.u = 0; ++dt.S; }
				if (dt.S >= 60) { dt.S = 0; ++dt.M; }
				if (dt.M >= 60) { dt.M = 0; ++dt.H; }
				if (dt.H >= 24) { dt.H = 0; ++dt.D; _dt = SSF_parse_date_code(dt.D); _dt.u = dt.u; _dt.S = dt.S; _dt.M = dt.M; _dt.H = dt.H; dt = _dt; }
				break;
			case 4:
				switch (ss0) {
					case 1: dt.u = Math.round(dt.u * 10) / 10; break;
					case 2: dt.u = Math.round(dt.u * 100) / 100; break;
					case 3: dt.u = Math.round(dt.u * 1000) / 1000; break;
				}
				if (dt.u >= 1) { dt.u = 0; ++dt.S; }
				if (dt.S >= 60) { dt.S = 0; ++dt.M; }
				if (dt.M >= 60) { dt.M = 0; ++dt.H; }
				if (dt.H >= 24) { dt.H = 0; ++dt.D; _dt = SSF_parse_date_code(dt.D); _dt.u = dt.u; _dt.S = dt.S; _dt.M = dt.M; _dt.H = dt.H; dt = _dt; }
				break;
		}

		/* replace fields */
		var nstr = "", jj;
		for (i = 0; i < out.length; ++i) {
			switch (out[i].t) {
				case 't': case 'T': case ' ': case 'D': break;
				case 'X': out[i].v = ""; out[i].t = ";"; break;
				case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'e': case 'b': case 'Z':
					out[i].v = SSF_write_date(out[i].t.charCodeAt(0), out[i].v, dt, ss0);
					out[i].t = 't'; break;
				case 'n': case '?':
					jj = i + 1;
					while (out[jj] != null && (
						(c = out[jj].t) === "?" || c === "D" ||
						((c === " " || c === "t") && out[jj + 1] != null && (out[jj + 1].t === '?' || out[jj + 1].t === "t" && out[jj + 1].v === '/')) ||
						(out[i].t === '(' && (c === ' ' || c === 'n' || c === ')')) ||
						(c === 't' && (out[jj].v === '/' || out[jj].v === ' ' && out[jj + 1] != null && out[jj + 1].t == '?'))
					)) {
						out[i].v += out[jj].v;
						out[jj] = { v: "", t: ";" }; ++jj;
					}
					nstr += out[i].v;
					i = jj - 1; break;
				case 'G': out[i].t = 't'; out[i].v = SSF_general(v, opts); break;
			}
		}
		var vv = "", myv, ostr;
		if (nstr.length > 0) {
			if (nstr.charCodeAt(0) == 40) /* '(' */ {
				myv = (v < 0 && nstr.charCodeAt(0) === 45 ? -v : v);
				ostr = write_num('n', nstr, myv);
			} else {
				myv = (v < 0 && flen > 1 ? -v : v);
				ostr = write_num('n', nstr, myv);
				if (myv < 0 && out[0] && out[0].t == 't') {
					ostr = ostr.substr(1);
					out[0].v = "-" + out[0].v;
				}
			}
			jj = ostr.length - 1;
			var decpt = out.length;
			for (i = 0; i < out.length; ++i) if (out[i] != null && out[i].t != 't' && out[i].v.indexOf(".") > -1) { decpt = i; break; }
			var lasti = out.length;
			if (decpt === out.length && ostr.indexOf("E") === -1) {
				for (i = out.length - 1; i >= 0; --i) {
					if (out[i] == null || 'n?'.indexOf(out[i].t) === -1) continue;
					if (jj >= out[i].v.length - 1) { jj -= out[i].v.length; out[i].v = ostr.substr(jj + 1, out[i].v.length); }
					else if (jj < 0) out[i].v = "";
					else { out[i].v = ostr.substr(0, jj + 1); jj = -1; }
					out[i].t = 't';
					lasti = i;
				}
				if (jj >= 0 && lasti < out.length) out[lasti].v = ostr.substr(0, jj + 1) + out[lasti].v;
			}
			else if (decpt !== out.length && ostr.indexOf("E") === -1) {
				jj = ostr.indexOf(".") - 1;
				for (i = decpt; i >= 0; --i) {
					if (out[i] == null || 'n?'.indexOf(out[i].t) === -1) continue;
					j = out[i].v.indexOf(".") > -1 && i === decpt ? out[i].v.indexOf(".") - 1 : out[i].v.length - 1;
					vv = out[i].v.substr(j + 1);
					for (; j >= 0; --j) {
						if (jj >= 0 && (out[i].v.charAt(j) === "0" || out[i].v.charAt(j) === "#")) vv = ostr.charAt(jj--) + vv;
					}
					out[i].v = vv;
					out[i].t = 't';
					lasti = i;
				}
				if (jj >= 0 && lasti < out.length) out[lasti].v = ostr.substr(0, jj + 1) + out[lasti].v;
				jj = ostr.indexOf(".") + 1;
				for (i = decpt; i < out.length; ++i) {
					if (out[i] == null || ('n?('.indexOf(out[i].t) === -1 && i !== decpt)) continue;
					j = out[i].v.indexOf(".") > -1 && i === decpt ? out[i].v.indexOf(".") + 1 : 0;
					vv = out[i].v.substr(0, j);
					for (; j < out[i].v.length; ++j) {
						if (jj < ostr.length) vv += ostr.charAt(jj++);
					}
					out[i].v = vv;
					out[i].t = 't';
					lasti = i;
				}
			}
		}
		for (i = 0; i < out.length; ++i) if (out[i] != null && 'n?'.indexOf(out[i].t) > -1) {
			myv = (flen > 1 && v < 0 && i > 0 && out[i - 1].v === "-" ? -v : v);
			out[i].v = write_num(out[i].t, out[i].v, myv);
			out[i].t = 't';
		}
		var retval = "";
		for (i = 0; i !== out.length; ++i) if (out[i] != null) retval += out[i].v;
		return retval;
	}

	var cfregex2 = /\[(=|>[=]?|<[>=]?)(-?\d+(?:\.\d*)?)\]/;
	function chkcond(v, rr) {
		if (rr == null) return false;
		var thresh = parseFloat(rr[2]);
		switch (rr[1]) {
			case "=": if (v == thresh) return true; break;
			case ">": if (v > thresh) return true; break;
			case "<": if (v < thresh) return true; break;
			case "<>": if (v != thresh) return true; break;
			case ">=": if (v >= thresh) return true; break;
			case "<=": if (v <= thresh) return true; break;
		}
		return false;
	}
	function choose_fmt(f, v) {
		var fmt = SSF_split_fmt(f);
		var l = fmt.length, lat = fmt[l - 1].indexOf("@");
		if (l < 4 && lat > -1) --l;
		if (fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
		if (typeof v !== "number") return [4, fmt.length === 4 || lat > -1 ? fmt[fmt.length - 1] : "@"];
		/* NOTE: most spreadsheet software do not support NaN or infinities */
		if (typeof v === "number" && !isFinite(v)) v = 0;
		switch (fmt.length) {
			case 1: fmt = lat > -1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
			case 2: fmt = lat > -1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
			case 3: fmt = lat > -1 ? [fmt[0], fmt[1], fmt[0], fmt[2]] : [fmt[0], fmt[1], fmt[2], "@"]; break;
			case 4: break;
		}
		var ff = v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
		if (fmt[0].indexOf("[") === -1 && fmt[1].indexOf("[") === -1) return [l, ff];
		if (fmt[0].match(/\[[=<>]/) != null || fmt[1].match(/\[[=<>]/) != null) {
			var m1 = fmt[0].match(cfregex2);
			var m2 = fmt[1].match(cfregex2);
			return chkcond(v, m1) ? [l, fmt[0]] : chkcond(v, m2) ? [l, fmt[1]] : [l, fmt[m1 != null && m2 != null ? 2 : 1]];
		}
		return [l, ff];
	}
	function SSF_format(fmt, v, o) {
		if (o == null) o = {};
		var sfmt = "";
		switch (typeof fmt) {
			case "string":
				if (fmt == "m/d/yy" && o.dateNF) sfmt = o.dateNF;
				else sfmt = fmt;
				break;
			case "number":
				if (fmt == 14 && o.dateNF) sfmt = o.dateNF;
				else sfmt = (o.table != null ? (o.table) : table_fmt)[fmt];
				if (sfmt == null) sfmt = (o.table && o.table[SSF_default_map[fmt]]) || table_fmt[SSF_default_map[fmt]];
				if (sfmt == null) sfmt = SSF_default_str[fmt] || "General";
				break;
		}
		if (SSF_isgeneral(sfmt, 0)) return SSF_general(v, o);
		if (v instanceof Date) v = datenum(v, o.date1904);
		var f = choose_fmt(sfmt, v);
		if (SSF_isgeneral(f[1])) return SSF_general(v, o);
		if (v === true) v = "TRUE"; else if (v === false) v = "FALSE";
		else if (v === "" || v == null) return "";
		else if (isNaN(v) && f[1].indexOf("0") > -1) return "#NUM!";
		else if (!isFinite(v) && f[1].indexOf("0") > -1) return "#DIV/0!";
		return eval_fmt(f[1], v, o, f[0]);
	}
	function SSF_load(fmt, idx) {
		if (typeof idx != 'number') {
			idx = +idx || -1;
			for (var i = 0; i < 0x0188; ++i) {
				if (table_fmt[i] == undefined) { if (idx < 0) idx = i; continue; }
				if (table_fmt[i] == fmt) { idx = i; break; }
			}
			if (idx < 0) idx = 0x187;
		}
		table_fmt[idx] = fmt;
		return idx;
	}
	function SSF_load_table(tbl) {
		for (var i = 0; i != 0x0188; ++i)
			if (tbl[i] !== undefined) SSF_load(tbl[i], i);
	}

	function make_ssf() {
		table_fmt = SSF_init_table();
	}

	var SSF = {
		format: SSF_format,
		load: SSF_load,
		_table: table_fmt,
		load_table: SSF_load_table,
		parse_date_code: SSF_parse_date_code,
		is_date: fmt_is_date,
		get_table: function get_table() { return SSF._table = table_fmt; }
	};

	var SSFImplicit/*{[number]:string}*/ = ({
		"5": '"$"#,##0_);\\("$"#,##0\\)',
		"6": '"$"#,##0_);[Red]\\("$"#,##0\\)',
		"7": '"$"#,##0.00_);\\("$"#,##0.00\\)',
		"8": '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',
		"23": 'General', "24": 'General', "25": 'General', "26": 'General',
		"27": 'm/d/yy', "28": 'm/d/yy', "29": 'm/d/yy', "30": 'm/d/yy', "31": 'm/d/yy',
		"32": 'h:mm:ss', "33": 'h:mm:ss', "34": 'h:mm:ss', "35": 'h:mm:ss',
		"36": 'm/d/yy',
		"41": '_(* #,##0_);_(* \(#,##0\);_(* "-"_);_(@_)',
		"42": '_("$"* #,##0_);_("$"* \(#,##0\);_("$"* "-"_);_(@_)',
		"43": '_(* #,##0.00_);_(* \(#,##0.00\);_(* "-"??_);_(@_)',
		"44": '_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)',
		"50": 'm/d/yy', "51": 'm/d/yy', "52": 'm/d/yy', "53": 'm/d/yy', "54": 'm/d/yy',
		"55": 'm/d/yy', "56": 'm/d/yy', "57": 'm/d/yy', "58": 'm/d/yy',
		"59": '0',
		"60": '0.00',
		"61": '#,##0',
		"62": '#,##0.00',
		"63": '"$"#,##0_);\\("$"#,##0\\)',
		"64": '"$"#,##0_);[Red]\\("$"#,##0\\)',
		"65": '"$"#,##0.00_);\\("$"#,##0.00\\)',
		"66": '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',
		"67": '0%',
		"68": '0.00%',
		"69": '# ?/?',
		"70": '# ??/??',
		"71": 'm/d/yy',
		"72": 'm/d/yy',
		"73": 'd-mmm-yy',
		"74": 'd-mmm',
		"75": 'mmm-yy',
		"76": 'h:mm',
		"77": 'h:mm:ss',
		"78": 'm/d/yy h:mm',
		"79": 'mm:ss',
		"80": '[h]:mm:ss',
		"81": 'mmss.0'
	});

	/* dateNF parse TODO: move to SSF */
	var dateNFregex = /[dD]+|[mM]+|[yYeE]+|[Hh]+|[Ss]+/g;
	function dateNF_regex(dateNF) {
		var fmt = typeof dateNF == "number" ? table_fmt[dateNF] : dateNF;
		fmt = fmt.replace(dateNFregex, "(\\d+)");
		dateNFregex.lastIndex = 0;
		return new RegExp("^" + fmt + "$");
	}
	function dateNF_fix(str, dateNF, match) {
		var Y = -1, m = -1, d = -1, H = -1, M = -1, S = -1;
		(dateNF.match(dateNFregex) || []).forEach(function (n, i) {
			var v = parseInt(match[i + 1], 10);
			switch (n.toLowerCase().charAt(0)) {
				case 'y': Y = v; break; case 'd': d = v; break;
				case 'h': H = v; break; case 's': S = v; break;
				case 'm': if (H >= 0) M = v; else m = v; break;
			}
		});
		dateNFregex.lastIndex = 0;
		if (S >= 0 && M == -1 && m >= 0) { M = m; m = -1; }
		var datestr = (("" + (Y >= 0 ? Y : new Date().getFullYear())).slice(-4) + "-" + ("00" + (m >= 1 ? m : 1)).slice(-2) + "-" + ("00" + (d >= 1 ? d : 1)).slice(-2));
		if (datestr.length == 7) datestr = "0" + datestr;
		if (datestr.length == 8) datestr = "20" + datestr;
		var timestr = (("00" + (H >= 0 ? H : 0)).slice(-2) + ":" + ("00" + (M >= 0 ? M : 0)).slice(-2) + ":" + ("00" + (S >= 0 ? S : 0)).slice(-2));
		if (H == -1 && M == -1 && S == -1) return datestr;
		if (Y == -1 && m == -1 && d == -1) return timestr;
		return datestr + "T" + timestr;
	}

	/* table of bad formats written by third-party tools */
	var bad_formats = {
		"d.m": "d\\.m" // Issue #2571 Google Sheets writes invalid format 'd.m', correct format is 'd"."m' or 'd\\.m'
	};

	function SSF__load(fmt, idx) {
		return SSF_load(bad_formats[fmt] || fmt, idx);
	}

	/* cfb.js (C) 2013-present SheetJS -- http://sheetjs.com */
	/* vim: set ts=2: */
	/*jshint eqnull:true */
	/*exported CFB */
	/*global Uint8Array:false, Uint16Array:false */

	/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
	/* vim: set ts=2: */
	/*exported CRC32 */
	var CRC32 = (function () {
		var CRC32 = {};
		CRC32.version = '1.2.0';
		/*global Int32Array */
		function signed_crc_table() {
			var c = 0, table = new Array(256);

			for (var n = 0; n != 256; ++n) {
				c = n;
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				table[n] = c;
			}

			return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
		}

		var T0 = signed_crc_table();
		function slice_by_16_tables(T) {
			var c = 0, v = 0, n = 0, table = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096);

			for (n = 0; n != 256; ++n) table[n] = T[n];
			for (n = 0; n != 256; ++n) {
				v = T[n];
				for (c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
			}
			var out = [];
			for (n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' && typeof table.subarray == "function" ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
			return out;
		}
		var TT = slice_by_16_tables(T0);
		var T1 = TT[0], T2 = TT[1], T3 = TT[2], T4 = TT[3], T5 = TT[4];
		var T6 = TT[5], T7 = TT[6], T8 = TT[7], T9 = TT[8], Ta = TT[9];
		var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
		function crc32_bstr(bstr, seed) {
			var C = seed ^ -1;
			for (var i = 0, L = bstr.length; i < L;) C = (C >>> 8) ^ T0[(C ^ bstr.charCodeAt(i++)) & 0xFF];
			return ~C;
		}

		function crc32_buf(B, seed) {
			var C = seed ^ -1, L = B.length - 15, i = 0;
			for (; i < L;) C =
				Tf[B[i++] ^ (C & 255)] ^
				Te[B[i++] ^ ((C >> 8) & 255)] ^
				Td[B[i++] ^ ((C >> 16) & 255)] ^
				Tc[B[i++] ^ (C >>> 24)] ^
				Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
				T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
				T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
			L += 15;
			while (i < L) C = (C >>> 8) ^ T0[(C ^ B[i++]) & 0xFF];
			return ~C;
		}

		function crc32_str(str, seed) {
			var C = seed ^ -1;
			for (var i = 0, L = str.length, c = 0, d = 0; i < L;) {
				c = str.charCodeAt(i++);
				if (c < 0x80) {
					C = (C >>> 8) ^ T0[(C ^ c) & 0xFF];
				} else if (c < 0x800) {
					C = (C >>> 8) ^ T0[(C ^ (192 | ((c >> 6) & 31))) & 0xFF];
					C = (C >>> 8) ^ T0[(C ^ (128 | (c & 63))) & 0xFF];
				} else if (c >= 0xD800 && c < 0xE000) {
					c = (c & 1023) + 64; d = str.charCodeAt(i++) & 1023;
					C = (C >>> 8) ^ T0[(C ^ (240 | ((c >> 8) & 7))) & 0xFF];
					C = (C >>> 8) ^ T0[(C ^ (128 | ((c >> 2) & 63))) & 0xFF];
					C = (C >>> 8) ^ T0[(C ^ (128 | ((d >> 6) & 15) | ((c & 3) << 4))) & 0xFF];
					C = (C >>> 8) ^ T0[(C ^ (128 | (d & 63))) & 0xFF];
				} else {
					C = (C >>> 8) ^ T0[(C ^ (224 | ((c >> 12) & 15))) & 0xFF];
					C = (C >>> 8) ^ T0[(C ^ (128 | ((c >> 6) & 63))) & 0xFF];
					C = (C >>> 8) ^ T0[(C ^ (128 | (c & 63))) & 0xFF];
				}
			}
			return ~C;
		}
		CRC32.table = T0;
		CRC32.bstr = crc32_bstr;
		CRC32.buf = crc32_buf;
		CRC32.str = crc32_str;
		return CRC32;
	})();
	/* [MS-CFB] v20171201 */
	var CFB = (function _CFB() {
		var exports = {};
		exports.version = '1.2.2';
		/* [MS-CFB] 2.6.4 */
		function namecmp(l, r) {
			var L = l.split("/"), R = r.split("/");
			for (var i = 0, c = 0, Z = Math.min(L.length, R.length); i < Z; ++i) {
				if ((c = L[i].length - R[i].length)) return c;
				if (L[i] != R[i]) return L[i] < R[i] ? -1 : 1;
			}
			return L.length - R.length;
		}
		function dirname(p) {
			if (p.charAt(p.length - 1) == "/") return (p.slice(0, -1).indexOf("/") === -1) ? p : dirname(p.slice(0, -1));
			var c = p.lastIndexOf("/");
			return (c === -1) ? p : p.slice(0, c + 1);
		}

		function filename(p) {
			if (p.charAt(p.length - 1) == "/") return filename(p.slice(0, -1));
			var c = p.lastIndexOf("/");
			return (c === -1) ? p : p.slice(c + 1);
		}
		/* -------------------------------------------------------------------------- */
		/* DOS Date format:
		   high|YYYYYYYm.mmmddddd.HHHHHMMM.MMMSSSSS|low
		   add 1980 to stored year
		   stored second should be doubled
		*/

		/* write JS date to buf as a DOS date */
		function write_dos_date(buf, date) {
			if (typeof date === "string") date = new Date(date);
			var hms = date.getHours();
			hms = hms << 6 | date.getMinutes();
			hms = hms << 5 | (date.getSeconds() >>> 1);
			buf.write_shift(2, hms);
			var ymd = (date.getFullYear() - 1980);
			ymd = ymd << 4 | (date.getMonth() + 1);
			ymd = ymd << 5 | date.getDate();
			buf.write_shift(2, ymd);
		}

		/* read four bytes from buf and interpret as a DOS date */
		function parse_dos_date(buf) {
			var hms = buf.read_shift(2) & 0xFFFF;
			var ymd = buf.read_shift(2) & 0xFFFF;
			var val = new Date();
			var d = ymd & 0x1F; ymd >>>= 5;
			var m = ymd & 0x0F; ymd >>>= 4;
			val.setMilliseconds(0);
			val.setFullYear(ymd + 1980);
			val.setMonth(m - 1);
			val.setDate(d);
			var S = hms & 0x1F; hms >>>= 5;
			var M = hms & 0x3F; hms >>>= 6;
			val.setHours(hms);
			val.setMinutes(M);
			val.setSeconds(S << 1);
			return val;
		}
		function parse_extra_field(blob) {
			prep_blob(blob, 0);
			var o = {};
			var flags = 0;
			while (blob.l <= blob.length - 4) {
				var type = blob.read_shift(2);
				var sz = blob.read_shift(2), tgt = blob.l + sz;
				var p = {};
				switch (type) {
					/* UNIX-style Timestamps */
					case 0x5455: {
						flags = blob.read_shift(1);
						if (flags & 1) p.mtime = blob.read_shift(4);
						/* for some reason, CD flag corresponds to LFH */
						if (sz > 5) {
							if (flags & 2) p.atime = blob.read_shift(4);
							if (flags & 4) p.ctime = blob.read_shift(4);
						}
						if (p.mtime) p.mt = new Date(p.mtime * 1000);
					} break;
					/* ZIP64 Extended Information Field */
					case 0x0001: {
						var sz1 = blob.read_shift(4), sz2 = blob.read_shift(4);
						p.usz = (sz2 * Math.pow(2, 32) + sz1);
						sz1 = blob.read_shift(4); sz2 = blob.read_shift(4);
						p.csz = (sz2 * Math.pow(2, 32) + sz1);
						// NOTE: volume fields are skipped
					} break;
				}
				blob.l = tgt;
				o[type] = p;
			}
			return o;
		}
		var fs;
		function get_fs() { return fs || (fs = _fs); }
		function parse(file, options) {
			if (file[0] == 0x50 && file[1] == 0x4b) return parse_zip(file, options);
			if ((file[0] | 0x20) == 0x6d && (file[1] | 0x20) == 0x69) return parse_mad(file, options);
			if (file.length < 512) throw new Error("CFB file size " + file.length + " < 512");
			var mver = 3;
			var ssz = 512;
			var nmfs = 0; // number of mini FAT sectors
			var difat_sec_cnt = 0;
			var dir_start = 0;
			var minifat_start = 0;
			var difat_start = 0;

			var fat_addrs = []; // locations of FAT sectors

			/* [MS-CFB] 2.2 Compound File Header */
			var blob = file.slice(0, 512);
			prep_blob(blob, 0);

			/* major version */
			var mv = check_get_mver(blob);
			mver = mv[0];
			switch (mver) {
				case 3: ssz = 512; break; case 4: ssz = 4096; break;
				case 0: if (mv[1] == 0) return parse_zip(file, options);
				/* falls through */
				default: throw new Error("Major Version: Expected 3 or 4 saw " + mver);
			}

			/* reprocess header */
			if (ssz !== 512) { blob = file.slice(0, ssz); prep_blob(blob, 28 /* blob.l */); }
			/* Save header for final object */
			var header = file.slice(0, ssz);

			check_shifts(blob, mver);

			// Number of Directory Sectors
			var dir_cnt = blob.read_shift(4, 'i');
			if (mver === 3 && dir_cnt !== 0) throw new Error('# Directory Sectors: Expected 0 saw ' + dir_cnt);

			// Number of FAT Sectors
			blob.l += 4;

			// First Directory Sector Location
			dir_start = blob.read_shift(4, 'i');

			// Transaction Signature
			blob.l += 4;

			// Mini Stream Cutoff Size
			blob.chk('00100000', 'Mini Stream Cutoff Size: ');

			// First Mini FAT Sector Location
			minifat_start = blob.read_shift(4, 'i');

			// Number of Mini FAT Sectors
			nmfs = blob.read_shift(4, 'i');

			// First DIFAT sector location
			difat_start = blob.read_shift(4, 'i');

			// Number of DIFAT Sectors
			difat_sec_cnt = blob.read_shift(4, 'i');

			// Grab FAT Sector Locations
			for (var q = -1, j = 0; j < 109; ++j) { /* 109 = (512 - blob.l)>>>2; */
				q = blob.read_shift(4, 'i');
				if (q < 0) break;
				fat_addrs[j] = q;
			}

			/** Break the file up into sectors */
			var sectors = sectorify(file, ssz);

			sleuth_fat(difat_start, difat_sec_cnt, sectors, ssz, fat_addrs);

			/** Chains */
			var sector_list = make_sector_list(sectors, dir_start, fat_addrs, ssz);

			if (dir_start < sector_list.length) sector_list[dir_start].name = "!Directory";
			if (nmfs > 0 && minifat_start !== ENDOFCHAIN) sector_list[minifat_start].name = "!MiniFAT";
			sector_list[fat_addrs[0]].name = "!FAT";
			sector_list.fat_addrs = fat_addrs;
			sector_list.ssz = ssz;

			/* [MS-CFB] 2.6.1 Compound File Directory Entry */
			var files = {}, Paths = [], FileIndex = [], FullPaths = [];
			read_directory(dir_start, sector_list, sectors, Paths, nmfs, files, FileIndex, minifat_start);

			build_full_paths(FileIndex, FullPaths, Paths);
			Paths.shift();

			var o = {
				FileIndex: FileIndex,
				FullPaths: FullPaths
			};

			// $FlowIgnore
			if (options && options.raw) o.raw = { header: header, sectors: sectors };
			return o;
		} // parse

		/* [MS-CFB] 2.2 Compound File Header -- read up to major version */
		function check_get_mver(blob) {
			if (blob[blob.l] == 0x50 && blob[blob.l + 1] == 0x4b) return [0, 0];
			// header signature 8
			blob.chk(HEADER_SIGNATURE, 'Header Signature: ');

			// clsid 16
			//blob.chk(HEADER_CLSID, 'CLSID: ');
			blob.l += 16;

			// minor version 2
			var mver = blob.read_shift(2, 'u');

			return [blob.read_shift(2, 'u'), mver];
		}
		function check_shifts(blob, mver) {
			var shift = 0x09;

			// Byte Order
			//blob.chk('feff', 'Byte Order: '); // note: some writers put 0xffff
			blob.l += 2;

			// Sector Shift
			switch ((shift = blob.read_shift(2))) {
				case 0x09: if (mver != 3) throw new Error('Sector Shift: Expected 9 saw ' + shift); break;
				case 0x0c: if (mver != 4) throw new Error('Sector Shift: Expected 12 saw ' + shift); break;
				default: throw new Error('Sector Shift: Expected 9 or 12 saw ' + shift);
			}

			// Mini Sector Shift
			blob.chk('0600', 'Mini Sector Shift: ');

			// Reserved
			blob.chk('000000000000', 'Reserved: ');
		}

		/** Break the file up into sectors */
		function sectorify(file, ssz) {
			var nsectors = Math.ceil(file.length / ssz) - 1;
			var sectors = [];
			for (var i = 1; i < nsectors; ++i) sectors[i - 1] = file.slice(i * ssz, (i + 1) * ssz);
			sectors[nsectors - 1] = file.slice(nsectors * ssz);
			return sectors;
		}

		/* [MS-CFB] 2.6.4 Red-Black Tree */
		function build_full_paths(FI, FP, Paths) {
			var i = 0, L = 0, R = 0, C = 0, j = 0, pl = Paths.length;
			var dad = [], q = [];

			for (; i < pl; ++i) { dad[i] = q[i] = i; FP[i] = Paths[i]; }

			for (; j < q.length; ++j) {
				i = q[j];
				L = FI[i].L; R = FI[i].R; C = FI[i].C;
				if (dad[i] === i) {
					if (L !== -1 /*NOSTREAM*/ && dad[L] !== L) dad[i] = dad[L];
					if (R !== -1 && dad[R] !== R) dad[i] = dad[R];
				}
				if (C !== -1 /*NOSTREAM*/) dad[C] = i;
				if (L !== -1 && i != dad[i]) { dad[L] = dad[i]; if (q.lastIndexOf(L) < j) q.push(L); }
				if (R !== -1 && i != dad[i]) { dad[R] = dad[i]; if (q.lastIndexOf(R) < j) q.push(R); }
			}
			for (i = 1; i < pl; ++i) if (dad[i] === i) {
				if (R !== -1 /*NOSTREAM*/ && dad[R] !== R) dad[i] = dad[R];
				else if (L !== -1 && dad[L] !== L) dad[i] = dad[L];
			}

			for (i = 1; i < pl; ++i) {
				if (FI[i].type === 0 /* unknown */) continue;
				j = i;
				if (j != dad[j]) do {
					j = dad[j];
					FP[i] = FP[j] + "/" + FP[i];
				} while (j !== 0 && -1 !== dad[j] && j != dad[j]);
				dad[i] = -1;
			}

			FP[0] += "/";
			for (i = 1; i < pl; ++i) {
				if (FI[i].type !== 2 /* stream */) FP[i] += "/";
			}
		}

		function get_mfat_entry(entry, payload, mini) {
			var start = entry.start, size = entry.size;
			//return (payload.slice(start*MSSZ, start*MSSZ + size));
			var o = [];
			var idx = start;
			while (mini && size > 0 && idx >= 0) {
				o.push(payload.slice(idx * MSSZ, idx * MSSZ + MSSZ));
				size -= MSSZ;
				idx = __readInt32LE(mini, idx * 4);
			}
			if (o.length === 0) return (new_buf(0));
			return (bconcat(o).slice(0, entry.size));
		}

		/** Chase down the rest of the DIFAT chain to build a comprehensive list
			DIFAT chains by storing the next sector number as the last 32 bits */
		function sleuth_fat(idx, cnt, sectors, ssz, fat_addrs) {
			var q = ENDOFCHAIN;
			if (idx === ENDOFCHAIN) {
				if (cnt !== 0) throw new Error("DIFAT chain shorter than expected");
			} else if (idx !== -1 /*FREESECT*/) {
				var sector = sectors[idx], m = (ssz >>> 2) - 1;
				if (!sector) return;
				for (var i = 0; i < m; ++i) {
					if ((q = __readInt32LE(sector, i * 4)) === ENDOFCHAIN) break;
					fat_addrs.push(q);
				}
				if (cnt >= 1) sleuth_fat(__readInt32LE(sector, ssz - 4), cnt - 1, sectors, ssz, fat_addrs);
			}
		}

		/** Follow the linked list of sectors for a given starting point */
		function get_sector_list(sectors, start, fat_addrs, ssz, chkd) {
			var buf = [], buf_chain = [];
			if (!chkd) chkd = [];
			var modulus = ssz - 1, j = 0, jj = 0;
			for (j = start; j >= 0;) {
				chkd[j] = true;
				buf[buf.length] = j;
				buf_chain.push(sectors[j]);
				var addr = fat_addrs[Math.floor(j * 4 / ssz)];
				jj = ((j * 4) & modulus);
				if (ssz < 4 + jj) throw new Error("FAT boundary crossed: " + j + " 4 " + ssz);
				if (!sectors[addr]) break;
				j = __readInt32LE(sectors[addr], jj);
			}
			return { nodes: buf, data: __toBuffer([buf_chain]) };
		}

		/** Chase down the sector linked lists */
		function make_sector_list(sectors, dir_start, fat_addrs, ssz) {
			var sl = sectors.length, sector_list = ([]);
			var chkd = [], buf = [], buf_chain = [];
			var modulus = ssz - 1, i = 0, j = 0, k = 0, jj = 0;
			for (i = 0; i < sl; ++i) {
				buf = ([]);
				k = (i + dir_start); if (k >= sl) k -= sl;
				if (chkd[k]) continue;
				buf_chain = [];
				var seen = [];
				for (j = k; j >= 0;) {
					seen[j] = true;
					chkd[j] = true;
					buf[buf.length] = j;
					buf_chain.push(sectors[j]);
					var addr = fat_addrs[Math.floor(j * 4 / ssz)];
					jj = ((j * 4) & modulus);
					if (ssz < 4 + jj) throw new Error("FAT boundary crossed: " + j + " 4 " + ssz);
					if (!sectors[addr]) break;
					j = __readInt32LE(sectors[addr], jj);
					if (seen[j]) break;
				}
				sector_list[k] = ({ nodes: buf, data: __toBuffer([buf_chain]) });
			}
			return sector_list;
		}

		/* [MS-CFB] 2.6.1 Compound File Directory Entry */
		function read_directory(dir_start, sector_list, sectors, Paths, nmfs, files, FileIndex, mini) {
			var minifat_store = 0, pl = (Paths.length ? 2 : 0);
			var sector = sector_list[dir_start].data;
			var i = 0, namelen = 0, name;
			for (; i < sector.length; i += 128) {
				var blob = sector.slice(i, i + 128);
				prep_blob(blob, 64);
				namelen = blob.read_shift(2);
				name = __utf16le(blob, 0, namelen - pl);
				Paths.push(name);
				var o = ({
					name: name,
					type: blob.read_shift(1),
					color: blob.read_shift(1),
					L: blob.read_shift(4, 'i'),
					R: blob.read_shift(4, 'i'),
					C: blob.read_shift(4, 'i'),
					clsid: blob.read_shift(16),
					state: blob.read_shift(4, 'i'),
					start: 0,
					size: 0
				});
				var ctime = blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2);
				if (ctime !== 0) o.ct = read_date(blob, blob.l - 8);
				var mtime = blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2);
				if (mtime !== 0) o.mt = read_date(blob, blob.l - 8);
				o.start = blob.read_shift(4, 'i');
				o.size = blob.read_shift(4, 'i');
				if (o.size < 0 && o.start < 0) { o.size = o.type = 0; o.start = ENDOFCHAIN; o.name = ""; }
				if (o.type === 5) { /* root */
					minifat_store = o.start;
					if (nmfs > 0 && minifat_store !== ENDOFCHAIN) sector_list[minifat_store].name = "!StreamData";
					/*minifat_size = o.size;*/
				} else if (o.size >= 4096 /* MSCSZ */) {
					o.storage = 'fat';
					if (sector_list[o.start] === undefined) sector_list[o.start] = get_sector_list(sectors, o.start, sector_list.fat_addrs, sector_list.ssz);
					sector_list[o.start].name = o.name;
					o.content = (sector_list[o.start].data.slice(0, o.size));
				} else {
					o.storage = 'minifat';
					if (o.size < 0) o.size = 0;
					else if (minifat_store !== ENDOFCHAIN && o.start !== ENDOFCHAIN && sector_list[minifat_store]) {
						o.content = get_mfat_entry(o, sector_list[minifat_store].data, (sector_list[mini] || {}).data);
					}
				}
				if (o.content) prep_blob(o.content, 0);
				files[name] = o;
				FileIndex.push(o);
			}
		}

		function read_date(blob, offset) {
			return new Date((((__readUInt32LE(blob, offset + 4) / 1e7) * Math.pow(2, 32) + __readUInt32LE(blob, offset) / 1e7) - 11644473600) * 1000);
		}

		function read_file(filename, options) {
			get_fs();
			return parse(fs.readFileSync(filename), options);
		}

		function read(blob, options) {
			var type = options && options.type;
			if (!type) {
				if (has_buf && Buffer.isBuffer(blob)) type = "buffer";
			}
			switch (type || "base64") {
				case "file": return read_file(blob, options);
				case "base64": return parse(s2a(Base64_decode(blob)), options);
				case "binary": return parse(s2a(blob), options);
			}
			return parse(blob, options);
		}

		function init_cfb(cfb, opts) {
			var o = opts || {}, root = o.root || "Root Entry";
			if (!cfb.FullPaths) cfb.FullPaths = [];
			if (!cfb.FileIndex) cfb.FileIndex = [];
			if (cfb.FullPaths.length !== cfb.FileIndex.length) throw new Error("inconsistent CFB structure");
			if (cfb.FullPaths.length === 0) {
				cfb.FullPaths[0] = root + "/";
				cfb.FileIndex[0] = ({ name: root, type: 5 });
			}
			if (o.CLSID) cfb.FileIndex[0].clsid = o.CLSID;
			seed_cfb(cfb);
		}
		function seed_cfb(cfb) {
			var nm = "\u0001Sh33tJ5";
			if (CFB.find(cfb, "/" + nm)) return;
			var p = new_buf(4); p[0] = 55; p[1] = p[3] = 50; p[2] = 54;
			cfb.FileIndex.push(({ name: nm, type: 2, content: p, size: 4, L: 69, R: 69, C: 69 }));
			cfb.FullPaths.push(cfb.FullPaths[0] + nm);
			rebuild_cfb(cfb);
		}
		function rebuild_cfb(cfb, f) {
			init_cfb(cfb);
			var gc = false, s = false;
			for (var i = cfb.FullPaths.length - 1; i >= 0; --i) {
				var _file = cfb.FileIndex[i];
				switch (_file.type) {
					case 0:
						if (s) gc = true;
						else { cfb.FileIndex.pop(); cfb.FullPaths.pop(); }
						break;
					case 1: case 2: case 5:
						s = true;
						if (isNaN(_file.R * _file.L * _file.C)) gc = true;
						if (_file.R > -1 && _file.L > -1 && _file.R == _file.L) gc = true;
						break;
					default: gc = true; break;
				}
			}
			if (!gc && !f) return;

			var now = new Date(1987, 1, 19), j = 0;
			// Track which names exist
			var fullPaths = Object.create ? Object.create(null) : {};
			var data = [];
			for (i = 0; i < cfb.FullPaths.length; ++i) {
				fullPaths[cfb.FullPaths[i]] = true;
				if (cfb.FileIndex[i].type === 0) continue;
				data.push([cfb.FullPaths[i], cfb.FileIndex[i]]);
			}
			for (i = 0; i < data.length; ++i) {
				var dad = dirname(data[i][0]);
				s = fullPaths[dad];
				while (!s) {
					while (dirname(dad) && !fullPaths[dirname(dad)]) dad = dirname(dad);

					data.push([dad, ({
						name: filename(dad).replace("/", ""),
						type: 1,
						clsid: HEADER_CLSID,
						ct: now, mt: now,
						content: null
					})]);

					// Add name to set
					fullPaths[dad] = true;

					dad = dirname(data[i][0]);
					s = fullPaths[dad];
				}
			}

			data.sort(function (x, y) { return namecmp(x[0], y[0]); });
			cfb.FullPaths = []; cfb.FileIndex = [];
			for (i = 0; i < data.length; ++i) { cfb.FullPaths[i] = data[i][0]; cfb.FileIndex[i] = data[i][1]; }
			for (i = 0; i < data.length; ++i) {
				var elt = cfb.FileIndex[i];
				var nm = cfb.FullPaths[i];

				elt.name = filename(nm).replace("/", "");
				elt.L = elt.R = elt.C = -(elt.color = 1);
				elt.size = elt.content ? elt.content.length : 0;
				elt.start = 0;
				elt.clsid = (elt.clsid || HEADER_CLSID);
				if (i === 0) {
					elt.C = data.length > 1 ? 1 : -1;
					elt.size = 0;
					elt.type = 5;
				} else if (nm.slice(-1) == "/") {
					for (j = i + 1; j < data.length; ++j) if (dirname(cfb.FullPaths[j]) == nm) break;
					elt.C = j >= data.length ? -1 : j;
					for (j = i + 1; j < data.length; ++j) if (dirname(cfb.FullPaths[j]) == dirname(nm)) break;
					elt.R = j >= data.length ? -1 : j;
					elt.type = 1;
				} else {
					if (dirname(cfb.FullPaths[i + 1] || "") == dirname(nm)) elt.R = i + 1;
					elt.type = 2;
				}
			}

		}

		function _write(cfb, options) {
			var _opts = options || {};
			/* MAD is order-sensitive, skip rebuild and sort */
			if (_opts.fileType == 'mad') return write_mad(cfb, _opts);
			rebuild_cfb(cfb);
			switch (_opts.fileType) {
				case 'zip': return write_zip(cfb, _opts);
				//case 'mad': return write_mad(cfb, _opts);
			}
			var L = (function (cfb) {
				var mini_size = 0, fat_size = 0;
				for (var i = 0; i < cfb.FileIndex.length; ++i) {
					var file = cfb.FileIndex[i];
					if (!file.content) continue;
					var flen = file.content.length;
					if (flen > 0) {
						if (flen < 0x1000) mini_size += (flen + 0x3F) >> 6;
						else fat_size += (flen + 0x01FF) >> 9;
					}
				}
				var dir_cnt = (cfb.FullPaths.length + 3) >> 2;
				var mini_cnt = (mini_size + 7) >> 3;
				var mfat_cnt = (mini_size + 0x7F) >> 7;
				var fat_base = mini_cnt + fat_size + dir_cnt + mfat_cnt;
				var fat_cnt = (fat_base + 0x7F) >> 7;
				var difat_cnt = fat_cnt <= 109 ? 0 : Math.ceil((fat_cnt - 109) / 0x7F);
				while (((fat_base + fat_cnt + difat_cnt + 0x7F) >> 7) > fat_cnt) difat_cnt = ++fat_cnt <= 109 ? 0 : Math.ceil((fat_cnt - 109) / 0x7F);
				var L = [1, difat_cnt, fat_cnt, mfat_cnt, dir_cnt, fat_size, mini_size, 0];
				cfb.FileIndex[0].size = mini_size << 6;
				L[7] = (cfb.FileIndex[0].start = L[0] + L[1] + L[2] + L[3] + L[4] + L[5]) + ((L[6] + 7) >> 3);
				return L;
			})(cfb);
			var o = new_buf(L[7] << 9);
			var i = 0, T = 0;
			{
				for (i = 0; i < 8; ++i) o.write_shift(1, HEADER_SIG[i]);
				for (i = 0; i < 8; ++i) o.write_shift(2, 0);
				o.write_shift(2, 0x003E);
				o.write_shift(2, 0x0003);
				o.write_shift(2, 0xFFFE);
				o.write_shift(2, 0x0009);
				o.write_shift(2, 0x0006);
				for (i = 0; i < 3; ++i) o.write_shift(2, 0);
				o.write_shift(4, 0);
				o.write_shift(4, L[2]);
				o.write_shift(4, L[0] + L[1] + L[2] + L[3] - 1);
				o.write_shift(4, 0);
				o.write_shift(4, 1 << 12);
				o.write_shift(4, L[3] ? L[0] + L[1] + L[2] - 1 : ENDOFCHAIN);
				o.write_shift(4, L[3]);
				o.write_shift(-4, L[1] ? L[0] - 1 : ENDOFCHAIN);
				o.write_shift(4, L[1]);
				for (i = 0; i < 109; ++i) o.write_shift(-4, i < L[2] ? L[1] + i : -1);
			}
			if (L[1]) {
				for (T = 0; T < L[1]; ++T) {
					for (; i < 236 + T * 127; ++i) o.write_shift(-4, i < L[2] ? L[1] + i : -1);
					o.write_shift(-4, T === L[1] - 1 ? ENDOFCHAIN : T + 1);
				}
			}
			var chainit = function (w) {
				for (T += w; i < T - 1; ++i) o.write_shift(-4, i + 1);
				if (w) { ++i; o.write_shift(-4, ENDOFCHAIN); }
			};
			T = i = 0;
			for (T += L[1]; i < T; ++i) o.write_shift(-4, consts.DIFSECT);
			for (T += L[2]; i < T; ++i) o.write_shift(-4, consts.FATSECT);
			chainit(L[3]);
			chainit(L[4]);
			var j = 0, flen = 0;
			var file = cfb.FileIndex[0];
			for (; j < cfb.FileIndex.length; ++j) {
				file = cfb.FileIndex[j];
				if (!file.content) continue;
				flen = file.content.length;
				if (flen < 0x1000) continue;
				file.start = T;
				chainit((flen + 0x01FF) >> 9);
			}
			chainit((L[6] + 7) >> 3);
			while (o.l & 0x1FF) o.write_shift(-4, consts.ENDOFCHAIN);
			T = i = 0;
			for (j = 0; j < cfb.FileIndex.length; ++j) {
				file = cfb.FileIndex[j];
				if (!file.content) continue;
				flen = file.content.length;
				if (!flen || flen >= 0x1000) continue;
				file.start = T;
				chainit((flen + 0x3F) >> 6);
			}
			while (o.l & 0x1FF) o.write_shift(-4, consts.ENDOFCHAIN);
			for (i = 0; i < L[4] << 2; ++i) {
				var nm = cfb.FullPaths[i];
				if (!nm || nm.length === 0) {
					for (j = 0; j < 17; ++j) o.write_shift(4, 0);
					for (j = 0; j < 3; ++j) o.write_shift(4, -1);
					for (j = 0; j < 12; ++j) o.write_shift(4, 0);
					continue;
				}
				file = cfb.FileIndex[i];
				if (i === 0) file.start = file.size ? file.start - 1 : ENDOFCHAIN;
				var _nm = (i === 0 && _opts.root) || file.name;
				if (_nm.length > 31) {
					console.error("Name " + _nm + " will be truncated to " + _nm.slice(0, 31));
					_nm = _nm.slice(0, 31);
				}
				flen = 2 * (_nm.length + 1);
				o.write_shift(64, _nm, "utf16le");
				o.write_shift(2, flen);
				o.write_shift(1, file.type);
				o.write_shift(1, file.color);
				o.write_shift(-4, file.L);
				o.write_shift(-4, file.R);
				o.write_shift(-4, file.C);
				if (!file.clsid) for (j = 0; j < 4; ++j) o.write_shift(4, 0);
				else o.write_shift(16, file.clsid, "hex");
				o.write_shift(4, file.state || 0);
				o.write_shift(4, 0); o.write_shift(4, 0);
				o.write_shift(4, 0); o.write_shift(4, 0);
				o.write_shift(4, file.start);
				o.write_shift(4, file.size); o.write_shift(4, 0);
			}
			for (i = 1; i < cfb.FileIndex.length; ++i) {
				file = cfb.FileIndex[i];
				if (file.size >= 0x1000) {
					o.l = (file.start + 1) << 9;
					if (has_buf && Buffer.isBuffer(file.content)) {
						file.content.copy(o, o.l, 0, file.size);
						// o is a 0-filled Buffer so just set next offset
						o.l += (file.size + 511) & -512;
					} else {
						for (j = 0; j < file.size; ++j) o.write_shift(1, file.content[j]);
						for (; j & 0x1FF; ++j) o.write_shift(1, 0);
					}
				}
			}
			for (i = 1; i < cfb.FileIndex.length; ++i) {
				file = cfb.FileIndex[i];
				if (file.size > 0 && file.size < 0x1000) {
					if (has_buf && Buffer.isBuffer(file.content)) {
						file.content.copy(o, o.l, 0, file.size);
						// o is a 0-filled Buffer so just set next offset
						o.l += (file.size + 63) & -64;
					} else {
						for (j = 0; j < file.size; ++j) o.write_shift(1, file.content[j]);
						for (; j & 0x3F; ++j) o.write_shift(1, 0);
					}
				}
			}
			if (has_buf) {
				o.l = o.length;
			} else {
				// When using Buffer, already 0-filled
				while (o.l < o.length) o.write_shift(1, 0);
			}
			return o;
		}
		/* [MS-CFB] 2.6.4 (Unicode 3.0.1 case conversion) */
		function find(cfb, path) {
			var UCFullPaths = cfb.FullPaths.map(function (x) { return x.toUpperCase(); });
			var UCPaths = UCFullPaths.map(function (x) { var y = x.split("/"); return y[y.length - (x.slice(-1) == "/" ? 2 : 1)]; });
			var k = false;
			if (path.charCodeAt(0) === 47 /* "/" */) { k = true; path = UCFullPaths[0].slice(0, -1) + path; }
			else k = path.indexOf("/") !== -1;
			var UCPath = path.toUpperCase();
			var w = k === true ? UCFullPaths.indexOf(UCPath) : UCPaths.indexOf(UCPath);
			if (w !== -1) return cfb.FileIndex[w];

			var m = !UCPath.match(chr1);
			UCPath = UCPath.replace(chr0, '');
			if (m) UCPath = UCPath.replace(chr1, '!');
			for (w = 0; w < UCFullPaths.length; ++w) {
				if ((m ? UCFullPaths[w].replace(chr1, '!') : UCFullPaths[w]).replace(chr0, '') == UCPath) return cfb.FileIndex[w];
				if ((m ? UCPaths[w].replace(chr1, '!') : UCPaths[w]).replace(chr0, '') == UCPath) return cfb.FileIndex[w];
			}
			return null;
		}
		/** CFB Constants */
		var MSSZ = 64; /* Mini Sector Size = 1<<6 */
		//var MSCSZ = 4096; /* Mini Stream Cutoff Size */
		/* 2.1 Compound File Sector Numbers and Types */
		var ENDOFCHAIN = -2;
		/* 2.2 Compound File Header */
		var HEADER_SIGNATURE = 'd0cf11e0a1b11ae1';
		var HEADER_SIG = [0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1];
		var HEADER_CLSID = '00000000000000000000000000000000';
		var consts = {
			/* 2.1 Compund File Sector Numbers and Types */
			MAXREGSECT: -6,
			DIFSECT: -4,
			FATSECT: -3,
			ENDOFCHAIN: ENDOFCHAIN,
			FREESECT: -1,
			/* 2.2 Compound File Header */
			HEADER_SIGNATURE: HEADER_SIGNATURE,
			HEADER_MINOR_VERSION: '3e00',
			MAXREGSID: -6,
			NOSTREAM: -1,
			HEADER_CLSID: HEADER_CLSID,
			/* 2.6.1 Compound File Directory Entry */
			EntryTypes: ['unknown', 'storage', 'stream', 'lockbytes', 'property', 'root']
		};

		function write_file(cfb, filename, options) {
			get_fs();
			var o = _write(cfb, options);
			fs.writeFileSync(filename, o);
		}

		function a2s(o) {
			var out = new Array(o.length);
			for (var i = 0; i < o.length; ++i) out[i] = String.fromCharCode(o[i]);
			return out.join("");
		}

		function write(cfb, options) {
			var o = _write(cfb, options);
			switch (options && options.type || "buffer") {
				case "file": get_fs(); fs.writeFileSync(options.filename, (o)); return o;
				case "binary": return typeof o == "string" ? o : a2s(o);
				case "base64": return Base64_encode(typeof o == "string" ? o : a2s(o));
				case "buffer": if (has_buf) return Buffer.isBuffer(o) ? o : Buffer_from(o);
				/* falls through */
				case "array": return typeof o == "string" ? s2a(o) : o;
			}
			return o;
		}
		/* node < 8.1 zlib does not expose bytesRead, so default to pure JS */
		var _zlib;
		function use_zlib(zlib) {
			try {
				var InflateRaw = zlib.InflateRaw;
				var InflRaw = new InflateRaw();
				InflRaw._processChunk(new Uint8Array([3, 0]), InflRaw._finishFlushFlag);
				if (InflRaw.bytesRead) _zlib = zlib;
				else throw new Error("zlib does not expose bytesRead");
			} catch (e) { console.error("cannot use native zlib: " + (e.message || e)); }
		}

		function _inflateRawSync(payload, usz) {
			if (!_zlib) return _inflate(payload, usz);
			var InflateRaw = _zlib.InflateRaw;
			var InflRaw = new InflateRaw();
			var out = InflRaw._processChunk(payload.slice(payload.l), InflRaw._finishFlushFlag);
			payload.l += InflRaw.bytesRead;
			return out;
		}

		function _deflateRawSync(payload) {
			return _zlib ? _zlib.deflateRawSync(payload) : _deflate(payload);
		}
		var CLEN_ORDER = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];

		/*  LEN_ID = [ 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285 ]; */
		var LEN_LN = [3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258];

		/*  DST_ID = [  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13,  14,  15,  16,  17,  18,  19,   20,   21,   22,   23,   24,   25,   26,    27,    28,    29 ]; */
		var DST_LN = [1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577];

		function bit_swap_8(n) { var t = (((((n << 1) | (n << 11)) & 0x22110) | (((n << 5) | (n << 15)) & 0x88440))); return ((t >> 16) | (t >> 8) | t) & 0xFF; }

		var use_typed_arrays = typeof Uint8Array !== 'undefined';

		var bitswap8 = use_typed_arrays ? new Uint8Array(1 << 8) : [];
		for (var q = 0; q < (1 << 8); ++q) bitswap8[q] = bit_swap_8(q);

		function bit_swap_n(n, b) {
			var rev = bitswap8[n & 0xFF];
			if (b <= 8) return rev >>> (8 - b);
			rev = (rev << 8) | bitswap8[(n >> 8) & 0xFF];
			if (b <= 16) return rev >>> (16 - b);
			rev = (rev << 8) | bitswap8[(n >> 16) & 0xFF];
			return rev >>> (24 - b);
		}

		/* helpers for unaligned bit reads */
		function read_bits_2(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 6 ? 0 : buf[h + 1] << 8)) >>> w) & 0x03; }
		function read_bits_3(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 5 ? 0 : buf[h + 1] << 8)) >>> w) & 0x07; }
		function read_bits_4(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 4 ? 0 : buf[h + 1] << 8)) >>> w) & 0x0F; }
		function read_bits_5(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 3 ? 0 : buf[h + 1] << 8)) >>> w) & 0x1F; }
		function read_bits_7(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 1 ? 0 : buf[h + 1] << 8)) >>> w) & 0x7F; }

		/* works up to n = 3 * 8 + 1 = 25 */
		function read_bits_n(buf, bl, n) {
			var w = (bl & 7), h = (bl >>> 3), f = ((1 << n) - 1);
			var v = buf[h] >>> w;
			if (n < 8 - w) return v & f;
			v |= buf[h + 1] << (8 - w);
			if (n < 16 - w) return v & f;
			v |= buf[h + 2] << (16 - w);
			if (n < 24 - w) return v & f;
			v |= buf[h + 3] << (24 - w);
			return v & f;
		}

		/* helpers for unaligned bit writes */
		function write_bits_3(buf, bl, v) {
			var w = bl & 7, h = bl >>> 3;
			if (w <= 5) buf[h] |= (v & 7) << w;
			else {
				buf[h] |= (v << w) & 0xFF;
				buf[h + 1] = (v & 7) >> (8 - w);
			}
			return bl + 3;
		}

		function write_bits_1(buf, bl, v) {
			var w = bl & 7, h = bl >>> 3;
			v = (v & 1) << w;
			buf[h] |= v;
			return bl + 1;
		}
		function write_bits_8(buf, bl, v) {
			var w = bl & 7, h = bl >>> 3;
			v <<= w;
			buf[h] |= v & 0xFF; v >>>= 8;
			buf[h + 1] = v;
			return bl + 8;
		}
		function write_bits_16(buf, bl, v) {
			var w = bl & 7, h = bl >>> 3;
			v <<= w;
			buf[h] |= v & 0xFF; v >>>= 8;
			buf[h + 1] = v & 0xFF;
			buf[h + 2] = v >>> 8;
			return bl + 16;
		}

		/* until ArrayBuffer#realloc is a thing, fake a realloc */
		function realloc(b, sz) {
			var L = b.length, M = 2 * L > sz ? 2 * L : sz + 5, i = 0;
			if (L >= sz) return b;
			if (has_buf) {
				var o = new_unsafe_buf(M);
				// $FlowIgnore
				if (b.copy) b.copy(o);
				else for (; i < b.length; ++i) o[i] = b[i];
				return o;
			} else if (use_typed_arrays) {
				var a = new Uint8Array(M);
				if (a.set) a.set(b);
				else for (; i < L; ++i) a[i] = b[i];
				return a;
			}
			b.length = M;
			return b;
		}

		/* zero-filled arrays for older browsers */
		function zero_fill_array(n) {
			var o = new Array(n);
			for (var i = 0; i < n; ++i) o[i] = 0;
			return o;
		}

		/* build tree (used for literals and lengths) */
		function build_tree(clens, cmap, MAX) {
			var maxlen = 1, w = 0, i = 0, j = 0, ccode = 0, L = clens.length;

			var bl_count = use_typed_arrays ? new Uint16Array(32) : zero_fill_array(32);
			for (i = 0; i < 32; ++i) bl_count[i] = 0;

			for (i = L; i < MAX; ++i) clens[i] = 0;
			L = clens.length;

			var ctree = use_typed_arrays ? new Uint16Array(L) : zero_fill_array(L); // []

			/* build code tree */
			for (i = 0; i < L; ++i) {
				bl_count[(w = clens[i])]++;
				if (maxlen < w) maxlen = w;
				ctree[i] = 0;
			}
			bl_count[0] = 0;
			for (i = 1; i <= maxlen; ++i) bl_count[i + 16] = (ccode = (ccode + bl_count[i - 1]) << 1);
			for (i = 0; i < L; ++i) {
				ccode = clens[i];
				if (ccode != 0) ctree[i] = bl_count[ccode + 16]++;
			}

			/* cmap[maxlen + 4 bits] = (off&15) + (lit<<4) reverse mapping */
			var cleni = 0;
			for (i = 0; i < L; ++i) {
				cleni = clens[i];
				if (cleni != 0) {
					ccode = bit_swap_n(ctree[i], maxlen) >> (maxlen - cleni);
					for (j = (1 << (maxlen + 4 - cleni)) - 1; j >= 0; --j)
						cmap[ccode | (j << cleni)] = (cleni & 15) | (i << 4);
				}
			}
			return maxlen;
		}

		/* Fixed Huffman */
		var fix_lmap = use_typed_arrays ? new Uint16Array(512) : zero_fill_array(512);
		var fix_dmap = use_typed_arrays ? new Uint16Array(32) : zero_fill_array(32);
		if (!use_typed_arrays) {
			for (var i = 0; i < 512; ++i) fix_lmap[i] = 0;
			for (i = 0; i < 32; ++i) fix_dmap[i] = 0;
		}
		(function () {
			var dlens = [];
			var i = 0;
			for (; i < 32; i++) dlens.push(5);
			build_tree(dlens, fix_dmap, 32);

			var clens = [];
			i = 0;
			for (; i <= 143; i++) clens.push(8);
			for (; i <= 255; i++) clens.push(9);
			for (; i <= 279; i++) clens.push(7);
			for (; i <= 287; i++) clens.push(8);
			build_tree(clens, fix_lmap, 288);
		})(); var _deflateRaw = (function _deflateRawIIFE() {
			var DST_LN_RE = use_typed_arrays ? new Uint8Array(0x8000) : [];
			var j = 0, k = 0;
			for (; j < DST_LN.length - 1; ++j) {
				for (; k < DST_LN[j + 1]; ++k) DST_LN_RE[k] = j;
			}
			for (; k < 32768; ++k) DST_LN_RE[k] = 29;

			var LEN_LN_RE = use_typed_arrays ? new Uint8Array(0x103) : [];
			for (j = 0, k = 0; j < LEN_LN.length - 1; ++j) {
				for (; k < LEN_LN[j + 1]; ++k) LEN_LN_RE[k] = j;
			}

			function write_stored(data, out) {
				var boff = 0;
				while (boff < data.length) {
					var L = Math.min(0xFFFF, data.length - boff);
					var h = boff + L == data.length;
					out.write_shift(1, +h);
					out.write_shift(2, L);
					out.write_shift(2, (~L) & 0xFFFF);
					while (L-- > 0) out[out.l++] = data[boff++];
				}
				return out.l;
			}

			/* Fixed Huffman */
			function write_huff_fixed(data, out) {
				var bl = 0;
				var boff = 0;
				var addrs = use_typed_arrays ? new Uint16Array(0x8000) : [];
				while (boff < data.length) {
					var L = /* data.length - boff; */ Math.min(0xFFFF, data.length - boff);

					/* write a stored block for short data */
					if (L < 10) {
						bl = write_bits_3(out, bl, +!!(boff + L == data.length)); // jshint ignore:line
						if (bl & 7) bl += 8 - (bl & 7);
						out.l = (bl / 8) | 0;
						out.write_shift(2, L);
						out.write_shift(2, (~L) & 0xFFFF);
						while (L-- > 0) out[out.l++] = data[boff++];
						bl = out.l * 8;
						continue;
					}

					bl = write_bits_3(out, bl, +!!(boff + L == data.length) + 2); // jshint ignore:line
					var hash = 0;
					while (L-- > 0) {
						var d = data[boff];
						hash = ((hash << 5) ^ d) & 0x7FFF;

						var match = -1, mlen = 0;

						if ((match = addrs[hash])) {
							match |= boff & ~0x7FFF;
							if (match > boff) match -= 0x8000;
							if (match < boff) while (data[match + mlen] == data[boff + mlen] && mlen < 250) ++mlen;
						}

						if (mlen > 2) {
							/* Copy Token  */
							d = LEN_LN_RE[mlen];
							if (d <= 22) bl = write_bits_8(out, bl, bitswap8[d + 1] >> 1) - 1;
							else {
								write_bits_8(out, bl, 3);
								bl += 5;
								write_bits_8(out, bl, bitswap8[d - 23] >> 5);
								bl += 3;
							}
							var len_eb = (d < 8) ? 0 : ((d - 4) >> 2);
							if (len_eb > 0) {
								write_bits_16(out, bl, mlen - LEN_LN[d]);
								bl += len_eb;
							}

							d = DST_LN_RE[boff - match];
							bl = write_bits_8(out, bl, bitswap8[d] >> 3);
							bl -= 3;

							var dst_eb = d < 4 ? 0 : (d - 2) >> 1;
							if (dst_eb > 0) {
								write_bits_16(out, bl, boff - match - DST_LN[d]);
								bl += dst_eb;
							}
							for (var q = 0; q < mlen; ++q) {
								addrs[hash] = boff & 0x7FFF;
								hash = ((hash << 5) ^ data[boff]) & 0x7FFF;
								++boff;
							}
							L -= mlen - 1;
						} else {
							/* Literal Token */
							if (d <= 143) d = d + 48;
							else bl = write_bits_1(out, bl, 1);
							bl = write_bits_8(out, bl, bitswap8[d]);
							addrs[hash] = boff & 0x7FFF;
							++boff;
						}
					}

					bl = write_bits_8(out, bl, 0) - 1;
				}
				out.l = ((bl + 7) / 8) | 0;
				return out.l;
			}
			return function _deflateRaw(data, out) {
				if (data.length < 8) return write_stored(data, out);
				return write_huff_fixed(data, out);
			};
		})();

		function _deflate(data) {
			var buf = new_buf(50 + Math.floor(data.length * 1.1));
			var off = _deflateRaw(data, buf);
			return buf.slice(0, off);
		}
		/* modified inflate function also moves original read head */

		var dyn_lmap = use_typed_arrays ? new Uint16Array(32768) : zero_fill_array(32768);
		var dyn_dmap = use_typed_arrays ? new Uint16Array(32768) : zero_fill_array(32768);
		var dyn_cmap = use_typed_arrays ? new Uint16Array(128) : zero_fill_array(128);
		var dyn_len_1 = 1, dyn_len_2 = 1;

		/* 5.5.3 Expanding Huffman Codes */
		function dyn(data, boff) {
			/* nomenclature from RFC1951 refers to bit values; these are offset by the implicit constant */
			var _HLIT = read_bits_5(data, boff) + 257; boff += 5;
			var _HDIST = read_bits_5(data, boff) + 1; boff += 5;
			var _HCLEN = read_bits_4(data, boff) + 4; boff += 4;
			var w = 0;

			/* grab and store code lengths */
			var clens = use_typed_arrays ? new Uint8Array(19) : zero_fill_array(19);
			var ctree = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
			var maxlen = 1;
			var bl_count = use_typed_arrays ? new Uint8Array(8) : zero_fill_array(8);
			var next_code = use_typed_arrays ? new Uint8Array(8) : zero_fill_array(8);
			var L = clens.length; /* 19 */
			for (var i = 0; i < _HCLEN; ++i) {
				clens[CLEN_ORDER[i]] = w = read_bits_3(data, boff);
				if (maxlen < w) maxlen = w;
				bl_count[w]++;
				boff += 3;
			}

			/* build code tree */
			var ccode = 0;
			bl_count[0] = 0;
			for (i = 1; i <= maxlen; ++i) next_code[i] = ccode = (ccode + bl_count[i - 1]) << 1;
			for (i = 0; i < L; ++i) if ((ccode = clens[i]) != 0) ctree[i] = next_code[ccode]++;
			/* cmap[7 bits from stream] = (off&7) + (lit<<3) */
			var cleni = 0;
			for (i = 0; i < L; ++i) {
				cleni = clens[i];
				if (cleni != 0) {
					ccode = bitswap8[ctree[i]] >> (8 - cleni);
					for (var j = (1 << (7 - cleni)) - 1; j >= 0; --j) dyn_cmap[ccode | (j << cleni)] = (cleni & 7) | (i << 3);
				}
			}

			/* read literal and dist codes at once */
			var hcodes = [];
			maxlen = 1;
			for (; hcodes.length < _HLIT + _HDIST;) {
				ccode = dyn_cmap[read_bits_7(data, boff)];
				boff += ccode & 7;
				switch ((ccode >>>= 3)) {
					case 16:
						w = 3 + read_bits_2(data, boff); boff += 2;
						ccode = hcodes[hcodes.length - 1];
						while (w-- > 0) hcodes.push(ccode);
						break;
					case 17:
						w = 3 + read_bits_3(data, boff); boff += 3;
						while (w-- > 0) hcodes.push(0);
						break;
					case 18:
						w = 11 + read_bits_7(data, boff); boff += 7;
						while (w-- > 0) hcodes.push(0);
						break;
					default:
						hcodes.push(ccode);
						if (maxlen < ccode) maxlen = ccode;
						break;
				}
			}

			/* build literal / length trees */
			var h1 = hcodes.slice(0, _HLIT), h2 = hcodes.slice(_HLIT);
			for (i = _HLIT; i < 286; ++i) h1[i] = 0;
			for (i = _HDIST; i < 30; ++i) h2[i] = 0;
			dyn_len_1 = build_tree(h1, dyn_lmap, 286);
			dyn_len_2 = build_tree(h2, dyn_dmap, 30);
			return boff;
		}

		/* return [ data, bytesRead ] */
		function inflate(data, usz) {
			/* shortcircuit for empty buffer [0x03, 0x00] */
			if (data[0] == 3 && !(data[1] & 0x3)) { return [new_raw_buf(usz), 2]; }

			/* bit offset */
			var boff = 0;

			/* header includes final bit and type bits */
			var header = 0;

			var outbuf = new_unsafe_buf(usz ? usz : (1 << 18));
			var woff = 0;
			var OL = outbuf.length >>> 0;
			var max_len_1 = 0, max_len_2 = 0;

			while ((header & 1) == 0) {
				header = read_bits_3(data, boff); boff += 3;
				if ((header >>> 1) == 0) {
					/* Stored block */
					if (boff & 7) boff += 8 - (boff & 7);
					/* 2 bytes sz, 2 bytes bit inverse */
					var sz = data[boff >>> 3] | data[(boff >>> 3) + 1] << 8;
					boff += 32;
					/* push sz bytes */
					if (sz > 0) {
						if (!usz && OL < woff + sz) { outbuf = realloc(outbuf, woff + sz); OL = outbuf.length; }
						while (sz-- > 0) { outbuf[woff++] = data[boff >>> 3]; boff += 8; }
					}
					continue;
				} else if ((header >> 1) == 1) {
					/* Fixed Huffman */
					max_len_1 = 9; max_len_2 = 5;
				} else {
					/* Dynamic Huffman */
					boff = dyn(data, boff);
					max_len_1 = dyn_len_1; max_len_2 = dyn_len_2;
				}
				for (; ;) { // while(true) is apparently out of vogue in modern JS circles
					if (!usz && (OL < woff + 32767)) { outbuf = realloc(outbuf, woff + 32767); OL = outbuf.length; }
					/* ingest code and move read head */
					var bits = read_bits_n(data, boff, max_len_1);
					var code = (header >>> 1) == 1 ? fix_lmap[bits] : dyn_lmap[bits];
					boff += code & 15; code >>>= 4;
					/* 0-255 are literals, 256 is end of block token, 257+ are copy tokens */
					if (((code >>> 8) & 0xFF) === 0) outbuf[woff++] = code;
					else if (code == 256) break;
					else {
						code -= 257;
						var len_eb = (code < 8) ? 0 : ((code - 4) >> 2); if (len_eb > 5) len_eb = 0;
						var tgt = woff + LEN_LN[code];
						/* length extra bits */
						if (len_eb > 0) {
							tgt += read_bits_n(data, boff, len_eb);
							boff += len_eb;
						}

						/* dist code */
						bits = read_bits_n(data, boff, max_len_2);
						code = (header >>> 1) == 1 ? fix_dmap[bits] : dyn_dmap[bits];
						boff += code & 15; code >>>= 4;
						var dst_eb = (code < 4 ? 0 : (code - 2) >> 1);
						var dst = DST_LN[code];
						/* dist extra bits */
						if (dst_eb > 0) {
							dst += read_bits_n(data, boff, dst_eb);
							boff += dst_eb;
						}

						/* in the common case, manual byte copy is faster than TA set / Buffer copy */
						if (!usz && OL < tgt) { outbuf = realloc(outbuf, tgt + 100); OL = outbuf.length; }
						while (woff < tgt) { outbuf[woff] = outbuf[woff - dst]; ++woff; }
					}
				}
			}
			if (usz) return [outbuf, (boff + 7) >>> 3];
			return [outbuf.slice(0, woff), (boff + 7) >>> 3];
		}

		function _inflate(payload, usz) {
			var data = payload.slice(payload.l || 0);
			var out = inflate(data, usz);
			payload.l += out[1];
			return out[0];
		}

		function warn_or_throw(wrn, msg) {
			if (wrn) { if (typeof console !== 'undefined') console.error(msg); }
			else throw new Error(msg);
		}

		function parse_zip(file, options) {
			var blob = file;
			prep_blob(blob, 0);

			var FileIndex = [], FullPaths = [];
			var o = {
				FileIndex: FileIndex,
				FullPaths: FullPaths
			};
			init_cfb(o, { root: options.root });

			/* find end of central directory, start just after signature */
			var i = blob.length - 4;
			while ((blob[i] != 0x50 || blob[i + 1] != 0x4b || blob[i + 2] != 0x05 || blob[i + 3] != 0x06) && i >= 0) --i;
			blob.l = i + 4;

			/* parse end of central directory */
			blob.l += 4;
			var fcnt = blob.read_shift(2);
			blob.l += 6;
			var start_cd = blob.read_shift(4);

			/* parse central directory */
			blob.l = start_cd;

			for (i = 0; i < fcnt; ++i) {
				/* trust local file header instead of CD entry */
				blob.l += 20;
				var csz = blob.read_shift(4);
				var usz = blob.read_shift(4);
				var namelen = blob.read_shift(2);
				var efsz = blob.read_shift(2);
				var fcsz = blob.read_shift(2);
				blob.l += 8;
				var offset = blob.read_shift(4);
				var EF = parse_extra_field(blob.slice(blob.l + namelen, blob.l + namelen + efsz));
				blob.l += namelen + efsz + fcsz;

				var L = blob.l;
				blob.l = offset + 4;
				/* ZIP64 lengths */
				if (EF && EF[0x0001]) {
					if ((EF[0x0001] || {}).usz) usz = EF[0x0001].usz;
					if ((EF[0x0001] || {}).csz) csz = EF[0x0001].csz;
				}
				parse_local_file(blob, csz, usz, o, EF);
				blob.l = L;
			}

			return o;
		}


		/* head starts just after local file header signature */
		function parse_local_file(blob, csz, usz, o, EF) {
			/* [local file header] */
			blob.l += 2;
			var flags = blob.read_shift(2);
			var meth = blob.read_shift(2);
			var date = parse_dos_date(blob);

			if (flags & 0x2041) throw new Error("Unsupported ZIP encryption");
			var crc32 = blob.read_shift(4);
			var _csz = blob.read_shift(4);
			var _usz = blob.read_shift(4);

			var namelen = blob.read_shift(2);
			var efsz = blob.read_shift(2);

			// TODO: flags & (1<<11) // UTF8
			var name = ""; for (var i = 0; i < namelen; ++i) name += String.fromCharCode(blob[blob.l++]);
			if (efsz) {
				var ef = parse_extra_field(blob.slice(blob.l, blob.l + efsz));
				if ((ef[0x5455] || {}).mt) date = ef[0x5455].mt;
				if ((ef[0x0001] || {}).usz) _usz = ef[0x0001].usz;
				if ((ef[0x0001] || {}).csz) _csz = ef[0x0001].csz;
				if (EF) {
					if ((EF[0x5455] || {}).mt) date = EF[0x5455].mt;
					if ((EF[0x0001] || {}).usz) _usz = EF[0x0001].usz;
					if ((EF[0x0001] || {}).csz) _csz = EF[0x0001].csz;
				}
			}
			blob.l += efsz;

			/* [encryption header] */

			/* [file data] */
			var data = blob.slice(blob.l, blob.l + _csz);
			switch (meth) {
				case 8: data = _inflateRawSync(blob, _usz); break;
				case 0: blob.l += _csz; break; // TODO: scan for magic number
				default: throw new Error("Unsupported ZIP Compression method " + meth);
			}

			/* [data descriptor] */
			var wrn = false;
			if (flags & 8) {
				crc32 = blob.read_shift(4);
				if (crc32 == 0x08074b50) { crc32 = blob.read_shift(4); wrn = true; }
				_csz = blob.read_shift(4);
				_usz = blob.read_shift(4);
			}

			if (_csz != csz) warn_or_throw(wrn, "Bad compressed size: " + csz + " != " + _csz);
			if (_usz != usz) warn_or_throw(wrn, "Bad uncompressed size: " + usz + " != " + _usz);
			//var _crc32 = CRC32.buf(data, 0);
			//if((crc32>>0) != (_crc32>>0)) warn_or_throw(wrn, "Bad CRC32 checksum: " + crc32 + " != " + _crc32);
			cfb_add(o, name, data, { unsafe: true, mt: date });
		}
		function write_zip(cfb, options) {
			var _opts = options || {};
			var out = [], cdirs = [];
			var o = new_buf(1);
			var method = (_opts.compression ? 8 : 0), flags = 0;
			var desc = false;
			if (desc) flags |= 8;
			var i = 0, j = 0;

			var start_cd = 0, fcnt = 0;
			var root = cfb.FullPaths[0], fp = root, fi = cfb.FileIndex[0];
			var crcs = [];
			var sz_cd = 0;

			for (i = 1; i < cfb.FullPaths.length; ++i) {
				fp = cfb.FullPaths[i].slice(root.length); fi = cfb.FileIndex[i];
				if (!fi.size || !fi.content || (Array.isArray(fi.content) && fi.content.length == 0) || fp == "\u0001Sh33tJ5") continue;
				var start = start_cd;


				/* TODO: CP437 filename */
				var namebuf = new_buf(fp.length);
				for (j = 0; j < fp.length; ++j) namebuf.write_shift(1, fp.charCodeAt(j) & 0x7F);
				namebuf = namebuf.slice(0, namebuf.l);
				crcs[fcnt] = typeof fi.content == "string" ? CRC32.bstr(fi.content, 0) : CRC32.buf(fi.content, 0);

				var outbuf = typeof fi.content == "string" ? s2a(fi.content) : fi.content;
				if (method == 8) outbuf = _deflateRawSync(outbuf);

				/* local file header */
				o = new_buf(30);
				o.write_shift(4, 0x04034b50);
				o.write_shift(2, 20);
				o.write_shift(2, flags);
				o.write_shift(2, method);
				/* TODO: last mod file time/date */
				if (fi.mt) write_dos_date(o, fi.mt);
				else o.write_shift(4, 0);
				o.write_shift(-4, (flags & 8) ? 0 : crcs[fcnt]);
				o.write_shift(4, (flags & 8) ? 0 : outbuf.length);
				o.write_shift(4, (flags & 8) ? 0 : fi.content.length);
				o.write_shift(2, namebuf.length);
				o.write_shift(2, 0);

				start_cd += o.length;
				out.push(o);
				start_cd += namebuf.length;
				out.push(namebuf);

				/* TODO: extra fields? */

				/* TODO: encryption header ? */

				start_cd += outbuf.length;
				out.push(outbuf);

				/* data descriptor */
				if (flags & 8) {
					o = new_buf(12);
					o.write_shift(-4, crcs[fcnt]);
					o.write_shift(4, outbuf.length);
					o.write_shift(4, fi.content.length);
					start_cd += o.l;
					out.push(o);
				}

				/* central directory */
				o = new_buf(46);
				o.write_shift(4, 0x02014b50);
				o.write_shift(2, 0);
				o.write_shift(2, 20);
				o.write_shift(2, flags);
				o.write_shift(2, method);
				o.write_shift(4, 0); /* TODO: last mod file time/date */
				o.write_shift(-4, crcs[fcnt]);

				o.write_shift(4, outbuf.length);
				o.write_shift(4, fi.content.length);
				o.write_shift(2, namebuf.length);
				o.write_shift(2, 0);
				o.write_shift(2, 0);
				o.write_shift(2, 0);
				o.write_shift(2, 0);
				o.write_shift(4, 0);
				o.write_shift(4, start);

				sz_cd += o.l;
				cdirs.push(o);
				sz_cd += namebuf.length;
				cdirs.push(namebuf);
				++fcnt;
			}

			/* end of central directory */
			o = new_buf(22);
			o.write_shift(4, 0x06054b50);
			o.write_shift(2, 0);
			o.write_shift(2, 0);
			o.write_shift(2, fcnt);
			o.write_shift(2, fcnt);
			o.write_shift(4, sz_cd);
			o.write_shift(4, start_cd);
			o.write_shift(2, 0);

			return bconcat(([bconcat((out)), bconcat(cdirs), o]));
		}
		var ContentTypeMap = ({
			"htm": "text/html",
			"xml": "text/xml",

			"gif": "image/gif",
			"jpg": "image/jpeg",
			"png": "image/png",

			"mso": "application/x-mso",
			"thmx": "application/vnd.ms-officetheme",
			"sh33tj5": "application/octet-stream"
		});

		function get_content_type(fi, fp) {
			if (fi.ctype) return fi.ctype;

			var ext = fi.name || "", m = ext.match(/\.([^\.]+)$/);
			if (m && ContentTypeMap[m[1]]) return ContentTypeMap[m[1]];

			if (fp) {
				m = (ext = fp).match(/[\.\\]([^\.\\])+$/);
				if (m && ContentTypeMap[m[1]]) return ContentTypeMap[m[1]];
			}

			return "application/octet-stream";
		}

		/* 76 character chunks TODO: intertwine encoding */
		function write_base64_76(bstr) {
			var data = Base64_encode(bstr);
			var o = [];
			for (var i = 0; i < data.length; i += 76) o.push(data.slice(i, i + 76));
			return o.join("\r\n") + "\r\n";
		}

		/*
		Rules for QP:
			- escape =## applies for all non-display characters and literal "="
			- space or tab at end of line must be encoded
			- \r\n newlines can be preserved, but bare \r and \n must be escaped
			- lines must not exceed 76 characters, use soft breaks =\r\n
		
		TODO: Some files from word appear to write line extensions with bare equals:
		
		```
		<table class=3DMsoTableGrid border=3D1 cellspacing=3D0 cellpadding=3D0 width=
		="70%"
		```
		*/
		function write_quoted_printable(text) {
			var encoded = text.replace(/[\x00-\x08\x0B\x0C\x0E-\x1F\x7E-\xFF=]/g, function (c) {
				var w = c.charCodeAt(0).toString(16).toUpperCase();
				return "=" + (w.length == 1 ? "0" + w : w);
			});

			encoded = encoded.replace(/ $/mg, "=20").replace(/\t$/mg, "=09");

			if (encoded.charAt(0) == "\n") encoded = "=0D" + encoded.slice(1);
			encoded = encoded.replace(/\r(?!\n)/mg, "=0D").replace(/\n\n/mg, "\n=0A").replace(/([^\r\n])\n/mg, "$1=0A");

			var o = [], split = encoded.split("\r\n");
			for (var si = 0; si < split.length; ++si) {
				var str = split[si];
				if (str.length == 0) { o.push(""); continue; }
				for (var i = 0; i < str.length;) {
					var end = 76;
					var tmp = str.slice(i, i + end);
					if (tmp.charAt(end - 1) == "=") end--;
					else if (tmp.charAt(end - 2) == "=") end -= 2;
					else if (tmp.charAt(end - 3) == "=") end -= 3;
					tmp = str.slice(i, i + end);
					i += end;
					if (i < str.length) tmp += "=";
					o.push(tmp);
				}
			}

			return o.join("\r\n");
		}
		function parse_quoted_printable(data) {
			var o = [];

			/* unify long lines */
			for (var di = 0; di < data.length; ++di) {
				var line = data[di];
				while (di <= data.length && line.charAt(line.length - 1) == "=") line = line.slice(0, line.length - 1) + data[++di];
				o.push(line);
			}

			/* decode */
			for (var oi = 0; oi < o.length; ++oi) o[oi] = o[oi].replace(/[=][0-9A-Fa-f]{2}/g, function ($$) { return String.fromCharCode(parseInt($$.slice(1), 16)); });
			return s2a(o.join("\r\n"));
		}


		function parse_mime(cfb, data, root) {
			var fname = "", cte = "", ctype = "", fdata;
			var di = 0;
			for (; di < 10; ++di) {
				var line = data[di];
				if (!line || line.match(/^\s*$/)) break;
				var m = line.match(/^([^:]*?):\s*([^\s].*)$/);
				if (m) switch (m[1].toLowerCase()) {
					case "content-location": fname = m[2].trim(); break;
					case "content-type": ctype = m[2].trim(); break;
					case "content-transfer-encoding": cte = m[2].trim(); break;
				}
			}
			++di;
			switch (cte.toLowerCase()) {
				case 'base64': fdata = s2a(Base64_decode(data.slice(di).join(""))); break;
				case 'quoted-printable': fdata = parse_quoted_printable(data.slice(di)); break;
				default: throw new Error("Unsupported Content-Transfer-Encoding " + cte);
			}
			var file = cfb_add(cfb, fname.slice(root.length), fdata, { unsafe: true });
			if (ctype) file.ctype = ctype;
		}

		function parse_mad(file, options) {
			if (a2s(file.slice(0, 13)).toLowerCase() != "mime-version:") throw new Error("Unsupported MAD header");
			var root = (options && options.root || "");
			// $FlowIgnore
			var data = (has_buf && Buffer.isBuffer(file) ? file.toString("binary") : a2s(file)).split("\r\n");
			var di = 0, row = "";

			/* if root is not specified, scan for the common prefix */
			for (di = 0; di < data.length; ++di) {
				row = data[di];
				if (!/^Content-Location:/i.test(row)) continue;
				row = row.slice(row.indexOf("file"));
				if (!root) root = row.slice(0, row.lastIndexOf("/") + 1);
				if (row.slice(0, root.length) == root) continue;
				while (root.length > 0) {
					root = root.slice(0, root.length - 1);
					root = root.slice(0, root.lastIndexOf("/") + 1);
					if (row.slice(0, root.length) == root) break;
				}
			}

			var mboundary = (data[1] || "").match(/boundary="(.*?)"/);
			if (!mboundary) throw new Error("MAD cannot find boundary");
			var boundary = "--" + (mboundary[1] || "");

			var FileIndex = [], FullPaths = [];
			var o = {
				FileIndex: FileIndex,
				FullPaths: FullPaths
			};
			init_cfb(o);
			var start_di, fcnt = 0;
			for (di = 0; di < data.length; ++di) {
				var line = data[di];
				if (line !== boundary && line !== boundary + "--") continue;
				if (fcnt++) parse_mime(o, data.slice(start_di, di), root);
				start_di = di;
			}
			return o;
		}

		function write_mad(cfb, options) {
			var opts = options || {};
			var boundary = opts.boundary || "SheetJS";
			boundary = '------=' + boundary;

			var out = [
				'MIME-Version: 1.0',
				'Content-Type: multipart/related; boundary="' + boundary.slice(2) + '"',
				'',
				'',
				''
			];

			var root = cfb.FullPaths[0], fp = root, fi = cfb.FileIndex[0];
			for (var i = 1; i < cfb.FullPaths.length; ++i) {
				fp = cfb.FullPaths[i].slice(root.length);
				fi = cfb.FileIndex[i];
				if (!fi.size || !fi.content || fp == "\u0001Sh33tJ5") continue;

				/* Normalize filename */
				fp = fp.replace(/[\x00-\x08\x0B\x0C\x0E-\x1F\x7E-\xFF]/g, function (c) {
					return "_x" + c.charCodeAt(0).toString(16) + "_";
				}).replace(/[\u0080-\uFFFF]/g, function (u) {
					return "_u" + u.charCodeAt(0).toString(16) + "_";
				});

				/* Extract content as binary string */
				var ca = fi.content;
				// $FlowIgnore
				var cstr = has_buf && Buffer.isBuffer(ca) ? ca.toString("binary") : a2s(ca);

				/* 4/5 of first 1024 chars ascii -> quoted printable, else base64 */
				var dispcnt = 0, L = Math.min(1024, cstr.length), cc = 0;
				for (var csl = 0; csl <= L; ++csl) if ((cc = cstr.charCodeAt(csl)) >= 0x20 && cc < 0x80) ++dispcnt;
				var qp = dispcnt >= L * 4 / 5;

				out.push(boundary);
				out.push('Content-Location: ' + (opts.root || 'file:///C:/SheetJS/') + fp);
				out.push('Content-Transfer-Encoding: ' + (qp ? 'quoted-printable' : 'base64'));
				out.push('Content-Type: ' + get_content_type(fi, fp));
				out.push('');

				out.push(qp ? write_quoted_printable(cstr) : write_base64_76(cstr));
			}
			out.push(boundary + '--\r\n');
			return out.join("\r\n");
		}
		function cfb_new(opts) {
			var o = ({});
			init_cfb(o, opts);
			return o;
		}

		function cfb_add(cfb, name, content, opts) {
			var unsafe = opts && opts.unsafe;
			if (!unsafe) init_cfb(cfb);
			var file = !unsafe && CFB.find(cfb, name);
			if (!file) {
				var fpath = cfb.FullPaths[0];
				if (name.slice(0, fpath.length) == fpath) fpath = name;
				else {
					if (fpath.slice(-1) != "/") fpath += "/";
					fpath = (fpath + name).replace("//", "/");
				}
				file = ({ name: filename(name), type: 2 });
				cfb.FileIndex.push(file);
				cfb.FullPaths.push(fpath);
				if (!unsafe) CFB.utils.cfb_gc(cfb);
			}
			file.content = (content);
			file.size = content ? content.length : 0;
			if (opts) {
				if (opts.CLSID) file.clsid = opts.CLSID;
				if (opts.mt) file.mt = opts.mt;
				if (opts.ct) file.ct = opts.ct;
			}
			return file;
		}

		function cfb_del(cfb, name) {
			init_cfb(cfb);
			var file = CFB.find(cfb, name);
			if (file) for (var j = 0; j < cfb.FileIndex.length; ++j) if (cfb.FileIndex[j] == file) {
				cfb.FileIndex.splice(j, 1);
				cfb.FullPaths.splice(j, 1);
				return true;
			}
			return false;
		}

		function cfb_mov(cfb, old_name, new_name) {
			init_cfb(cfb);
			var file = CFB.find(cfb, old_name);
			if (file) for (var j = 0; j < cfb.FileIndex.length; ++j) if (cfb.FileIndex[j] == file) {
				cfb.FileIndex[j].name = filename(new_name);
				cfb.FullPaths[j] = new_name;
				return true;
			}
			return false;
		}

		function cfb_gc(cfb) { rebuild_cfb(cfb, true); }

		exports.find = find;
		exports.read = read;
		exports.parse = parse;
		exports.write = write;
		exports.writeFile = write_file;
		exports.utils = {
			cfb_new: cfb_new,
			cfb_add: cfb_add,
			cfb_del: cfb_del,
			cfb_mov: cfb_mov,
			cfb_gc: cfb_gc,
			ReadShift: ReadShift,
			CheckField: CheckField,
			prep_blob: prep_blob,
			bconcat: bconcat,
			use_zlib: use_zlib,
			_deflateRaw: _deflate,
			_inflateRaw: _inflate,
			consts: consts
		};

		return exports;
	})();

	var _fs;
	function set_fs(fs) { _fs = fs; }

	/* normalize data for blob ctor */
	function blobify(data) {
		if (typeof data === "string") return s2ab(data);
		if (Array.isArray(data)) return a2u(data);
		return data;
	}
	/* write or download file */
	function write_dl(fname, payload, enc) {
		/*global IE_SaveFile, Blob, navigator, saveAs, document, File, chrome */
		if (typeof _fs !== 'undefined' && _fs.writeFileSync) return enc ? _fs.writeFileSync(fname, payload, enc) : _fs.writeFileSync(fname, payload);
		if (typeof Deno !== 'undefined') {
			/* in this spot, it's safe to assume typed arrays and TextEncoder/TextDecoder exist */
			if (enc && typeof payload == "string") switch (enc) {
				case "utf8": payload = new TextEncoder(enc).encode(payload); break;
				case "binary": payload = s2ab(payload); break;
				/* TODO: binary equivalent */
				default: throw new Error("Unsupported encoding " + enc);
			}
			return Deno.writeFileSync(fname, payload);
		}
		var data = (enc == "utf8") ? utf8write(payload) : payload;
		if (typeof IE_SaveFile !== 'undefined') return IE_SaveFile(data, fname);
		if (typeof Blob !== 'undefined') {
			var blob = new Blob([blobify(data)], { type: "application/octet-stream" });
			if (typeof navigator !== 'undefined' && navigator.msSaveBlob) return navigator.msSaveBlob(blob, fname);
			if (typeof saveAs !== 'undefined') return saveAs(blob, fname);
			if (typeof URL !== 'undefined' && typeof document !== 'undefined' && document.createElement && URL.createObjectURL) {
				var url = URL.createObjectURL(blob);
				if (typeof chrome === 'object' && typeof (chrome.downloads || {}).download == "function") {
					if (URL.revokeObjectURL && typeof setTimeout !== 'undefined') setTimeout(function () { URL.revokeObjectURL(url); }, 60000);
					return chrome.downloads.download({ url: url, filename: fname, saveAs: true });
				}
				var a = document.createElement("a");
				if (a.download != null) {
					a.download = fname; a.href = url; document.body.appendChild(a); a.click();
					document.body.removeChild(a);
					if (URL.revokeObjectURL && typeof setTimeout !== 'undefined') setTimeout(function () { URL.revokeObjectURL(url); }, 60000);
					return url;
				}
			} else if (typeof URL !== 'undefined' && !URL.createObjectURL && typeof chrome === 'object') {
				/* manifest v3 extensions -- no URL.createObjectURL */
				var b64 = "data:application/octet-stream;base64," + Base64_encode_arr(new Uint8Array(blobify(data)));
				return chrome.downloads.download({ url: b64, filename: fname, saveAs: true });
			}
		}
		// $FlowIgnore
		if (typeof $ !== 'undefined' && typeof File !== 'undefined' && typeof Folder !== 'undefined') try { // extendscript
			// $FlowIgnore
			var out = File(fname); out.open("w"); out.encoding = "binary";
			if (Array.isArray(payload)) payload = a2s(payload);
			out.write(payload); out.close(); return payload;
		} catch (e) { if (!e.message || e.message.indexOf("onstruct") == -1) throw e; }
		throw new Error("cannot save file " + fname);
	}

	/* read binary data from file */
	function read_binary(path) {
		if (typeof _fs !== 'undefined') return _fs.readFileSync(path);
		if (typeof Deno !== 'undefined') return Deno.readFileSync(path);
		// $FlowIgnore
		if (typeof $ !== 'undefined' && typeof File !== 'undefined' && typeof Folder !== 'undefined') try { // extendscript
			// $FlowIgnore
			var infile = File(path); infile.open("r"); infile.encoding = "binary";
			var data = infile.read(); infile.close();
			return data;
		} catch (e) { if (!e.message || e.message.indexOf("onstruct") == -1) throw e; }
		throw new Error("Cannot access file " + path);
	}
	function keys(o) {
		var ks = Object.keys(o), o2 = [];
		for (var i = 0; i < ks.length; ++i) if (Object.prototype.hasOwnProperty.call(o, ks[i])) o2.push(ks[i]);
		return o2;
	}

	function evert_key(obj, key) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) if (o[obj[K[i]][key]] == null) o[obj[K[i]][key]] = K[i];
		return o;
	}

	function evert(obj) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) o[obj[K[i]]] = K[i];
		return o;
	}

	function evert_num(obj) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) o[obj[K[i]]] = parseInt(K[i], 10);
		return o;
	}

	function evert_arr(obj) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) {
			if (o[obj[K[i]]] == null) o[obj[K[i]]] = [];
			o[obj[K[i]]].push(K[i]);
		}
		return o;
	}

	var dnthresh = Date.UTC(1899, 11, 30, 0, 0, 0); // -2209161600000
	var dnthresh1 = Date.UTC(1899, 11, 31, 0, 0, 0); // -2209075200000
	var dnthresh2 = Date.UTC(1904, 0, 1, 0, 0, 0); // -2209075200000
	function datenum(v, date1904) {
		var epoch = v.getTime();
		var res = (epoch - dnthresh) / (24 * 60 * 60 * 1000);
		if (date1904) { res -= 1462; return res < -1402 ? res - 1 : res; }
		return res < 60 ? res - 1 : res;
	}
	function numdate(v) {
		if (v >= 60 && v < 61) return v;
		var out = new Date();
		out.setTime((v > 60 ? v : (v + 1)) * 24 * 60 * 60 * 1000 + dnthresh);
		return out;
	}

	/* ISO 8601 Duration */
	function parse_isodur(s) {
		var sec = 0, mt = 0, time = false;
		var m = s.match(/P([0-9\.]+Y)?([0-9\.]+M)?([0-9\.]+D)?T([0-9\.]+H)?([0-9\.]+M)?([0-9\.]+S)?/);
		if (!m) throw new Error("|" + s + "| is not an ISO8601 Duration");
		for (var i = 1; i != m.length; ++i) {
			if (!m[i]) continue;
			mt = 1;
			if (i > 3) time = true;
			switch (m[i].slice(m[i].length - 1)) {
				case 'Y':
					throw new Error("Unsupported ISO Duration Field: " + m[i].slice(m[i].length - 1));
				case 'D': mt *= 24;
				/* falls through */
				case 'H': mt *= 60;
				/* falls through */
				case 'M':
					if (!time) throw new Error("Unsupported ISO Duration Field: M");
					else mt *= 60;
				/* falls through */
				case 'S': break;
			}
			sec += mt * parseInt(m[i], 10);
		}
		return sec;
	}

	/* Blame https://bugs.chromium.org/p/v8/issues/detail?id=7863 for the regexide */
	var pdre1 = /^(\d+):(\d+)(:\d+)?(\.\d+)?$/; // HH:MM[:SS[.UUU]]
	var pdre2 = /^(\d+)-(\d+)-(\d+)$/; // YYYY-mm-dd
	var pdre3 = /^(\d+)-(\d+)-(\d+)[T ](\d+):(\d+)(:\d+)?(\.\d+)?$/; // YYYY-mm-dd(T or space)HH:MM[:SS[.UUU]], sans "Z"
	/* parses a date string as a UTC date */
	function parseDate(str, date1904) {
		if (str instanceof Date) return str;
		var m = str.match(pdre1);
		if (m) return new Date((date1904 ? dnthresh2 : dnthresh1) + ((parseInt(m[1], 10) * 60 + parseInt(m[2], 10)) * 60 + (m[3] ? parseInt(m[3].slice(1), 10) : 0)) * 1000 + (m[4] ? parseInt((m[4] + "000").slice(1, 4), 10) : 0));
		m = str.match(pdre2);
		if (m) return new Date(Date.UTC(+m[1], +m[2] - 1, +m[3], 0, 0, 0, 0));
		/* TODO: 1900-02-29T00:00:00.000 should return a flag to treat as a date code (affects xlml) */
		m = str.match(pdre3);
		if (m) return new Date(Date.UTC(+m[1], +m[2] - 1, +m[3], +m[4], +m[5], ((m[6] && parseInt(m[6].slice(1), 10)) || 0), ((m[7] && parseInt((m[7] + "0000").slice(1, 4), 10)) || 0)));
		var d = new Date(str);
		return d;
	}

	function cc2str(arr, debomit) {
		if (has_buf && Buffer.isBuffer(arr)) {
			if (debomit && buf_utf16le) {
				// TODO: temporary patch
				if (arr[0] == 0xFF && arr[1] == 0xFE) return utf8write(arr.slice(2).toString("utf16le"));
				if (arr[1] == 0xFE && arr[2] == 0xFF) return utf8write(utf16beread(arr.slice(2).toString("binary")));
			}
			return arr.toString("binary");
		}

		if (typeof TextDecoder !== "undefined") try {
			if (debomit) {
				if (arr[0] == 0xFF && arr[1] == 0xFE) return utf8write(new TextDecoder("utf-16le").decode(arr.slice(2)));
				if (arr[0] == 0xFE && arr[1] == 0xFF) return utf8write(new TextDecoder("utf-16be").decode(arr.slice(2)));
			}
			var rev = {
				"\u20ac": "\x80", "\u201a": "\x82", "\u0192": "\x83", "\u201e": "\x84",
				"\u2026": "\x85", "\u2020": "\x86", "\u2021": "\x87", "\u02c6": "\x88",
				"\u2030": "\x89", "\u0160": "\x8a", "\u2039": "\x8b", "\u0152": "\x8c",
				"\u017d": "\x8e", "\u2018": "\x91", "\u2019": "\x92", "\u201c": "\x93",
				"\u201d": "\x94", "\u2022": "\x95", "\u2013": "\x96", "\u2014": "\x97",
				"\u02dc": "\x98", "\u2122": "\x99", "\u0161": "\x9a", "\u203a": "\x9b",
				"\u0153": "\x9c", "\u017e": "\x9e", "\u0178": "\x9f"
			};
			if (Array.isArray(arr)) arr = new Uint8Array(arr);
			return new TextDecoder("latin1").decode(arr).replace(/[€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ]/g, function (c) { return rev[c] || c; });
		} catch (e) { }

		var o = [], i = 0;
		// this cascade is for the browsers and runtimes of antiquity (and for modern runtimes that lack TextEncoder)
		try {
			for (i = 0; i < arr.length - 65536; i += 65536) o.push(String.fromCharCode.apply(0, arr.slice(i, i + 65536)));
			o.push(String.fromCharCode.apply(0, arr.slice(i)));
		} catch (e) {
			try {
				for (; i < arr.length - 16384; i += 16384) o.push(String.fromCharCode.apply(0, arr.slice(i, i + 16384)));
				o.push(String.fromCharCode.apply(0, arr.slice(i)));
			} catch (e) {
				for (; i != arr.length; ++i) o.push(String.fromCharCode(arr[i]));
			}
		}
		return o.join("");
	}

	function dup(o) {
		if (typeof JSON != 'undefined' && !Array.isArray(o)) return JSON.parse(JSON.stringify(o));
		if (typeof o != 'object' || o == null) return o;
		if (o instanceof Date) return new Date(o.getTime());
		var out = {};
		for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) out[k] = dup(o[k]);
		return out;
	}

	function fill(c, l) { var o = ""; while (o.length < l) o += c; return o; }

	/* TODO: stress test */
	function fuzzynum(s) {
		var v = Number(s);
		if (!isNaN(v)) return isFinite(v) ? v : NaN;
		if (!/\d/.test(s)) return v;
		var wt = 1;
		var ss = s.replace(/([\d]),([\d])/g, "$1$2").replace(/[$]/g, "").replace(/[%]/g, function () { wt *= 100; return ""; });
		if (!isNaN(v = Number(ss))) return v / wt;
		ss = ss.replace(/[(]([^()]*)[)]/, function ($$, $1) { wt = -wt; return $1; });
		if (!isNaN(v = Number(ss))) return v / wt;
		return v;
	}

	/* NOTE: Chrome rejects bare times like 1:23 PM */
	var FDRE1 = /^(0?\d|1[0-2])(?:|:([0-5]?\d)(?:|(\.\d+)(?:|:([0-5]?\d))|:([0-5]?\d)(|\.\d+)))\s+([ap])m?$/;
	var FDRE2 = /^([01]?\d|2[0-3])(?:|:([0-5]?\d)(?:|(\.\d+)(?:|:([0-5]?\d))|:([0-5]?\d)(|\.\d+)))$/;
	var FDISO = /^(\d+)-(\d+)-(\d+)[T ](\d+):(\d+)(:\d+)(\.\d+)?[Z]?$/; // YYYY-mm-dd(T or space)HH:MM:SS[.UUU][Z]

	/* TODO: 1904 adjustment */
	var utc_append_works = new Date("6/9/69 00:00 UTC").valueOf() == -17798400000;
	function fuzzytime1(M) {
		if (!M[2]) return new Date(Date.UTC(1899, 11, 31, (+M[1] % 12) + (M[7] == "p" ? 12 : 0), 0, 0, 0));
		if (M[3]) {
			if (M[4]) return new Date(Date.UTC(1899, 11, 31, (+M[1] % 12) + (M[7] == "p" ? 12 : 0), +M[2], +M[4], parseFloat(M[3]) * 1000));
			else return new Date(Date.UTC(1899, 11, 31, (M[7] == "p" ? 12 : 0), +M[1], +M[2], parseFloat(M[3]) * 1000));
		}
		else if (M[5]) return new Date(Date.UTC(1899, 11, 31, (+M[1] % 12) + (M[7] == "p" ? 12 : 0), +M[2], +M[5], M[6] ? parseFloat(M[6]) * 1000 : 0));
		else return new Date(Date.UTC(1899, 11, 31, (+M[1] % 12) + (M[7] == "p" ? 12 : 0), +M[2], 0, 0));
	}
	function fuzzytime2(M) {
		if (!M[2]) return new Date(Date.UTC(1899, 11, 31, +M[1], 0, 0, 0));
		if (M[3]) {
			if (M[4]) return new Date(Date.UTC(1899, 11, 31, +M[1], +M[2], +M[4], parseFloat(M[3]) * 1000));
			else return new Date(Date.UTC(1899, 11, 31, 0, +M[1], +M[2], parseFloat(M[3]) * 1000));
		}
		else if (M[5]) return new Date(Date.UTC(1899, 11, 31, +M[1], +M[2], +M[5], M[6] ? parseFloat(M[6]) * 1000 : 0));
		else return new Date(Date.UTC(1899, 11, 31, +M[1], +M[2], 0, 0));
	}
	var lower_months = ['january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december'];
	function fuzzydate(s) {
		// See issue 2863 -- this is technically not supported in Excel but is otherwise useful
		if (FDISO.test(s)) return s.indexOf("Z") == -1 ? local_to_utc(new Date(s)) : new Date(s);
		var lower = s.toLowerCase();
		var lnos = lower.replace(/\s+/g, " ").trim();
		var M = lnos.match(FDRE1);
		if (M) return fuzzytime1(M);
		M = lnos.match(FDRE2);
		if (M) return fuzzytime2(M);
		M = lnos.match(pdre3);
		if (M) return new Date(Date.UTC(+M[1], +M[2] - 1, +M[3], +M[4], +M[5], ((M[6] && parseInt(M[6].slice(1), 10)) || 0), ((M[7] && parseInt((M[7] + "0000").slice(1, 4), 10)) || 0)));
		var o = new Date(utc_append_works && s.indexOf("UTC") == -1 ? s + " UTC" : s), n = new Date(NaN);
		var y = o.getYear(), m = o.getMonth(), d = o.getDate();
		if (isNaN(d)) return n;
		if (lower.match(/jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec/)) {
			lower = lower.replace(/[^a-z]/g, "").replace(/([^a-z]|^)[ap]m?([^a-z]|$)/, "");
			if (lower.length > 3 && lower_months.indexOf(lower) == -1) return n;
		} else if (lower.replace(/[ap]m?/, "").match(/[a-z]/)) return n;
		if (y < 0 || y > 8099 || s.match(/[^-0-9:,\/\\\ ]/)) return n;
		return o;
	}

	var split_regex = (function () {
		var safe_split_regex = "abacaba".split(/(:?b)/i).length == 5;
		return function split_regex(str, re, def) {
			if (safe_split_regex || typeof re == "string") return str.split(re);
			var p = str.split(re), o = [p[0]];
			for (var i = 1; i < p.length; ++i) { o.push(def); o.push(p[i]); }
			return o;
		};
	})();

	function utc_to_local(utc) {
		return new Date(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate(), utc.getUTCHours(), utc.getUTCMinutes(), utc.getUTCSeconds(), utc.getUTCMilliseconds());
	}
	function local_to_utc(local) {
		return new Date(Date.UTC(local.getFullYear(), local.getMonth(), local.getDate(), local.getHours(), local.getMinutes(), local.getSeconds(), local.getMilliseconds()));
	}

	function remove_doctype(str) {
		var preamble = str.slice(0, 1024);
		var si = preamble.indexOf("<!DOCTYPE");
		if (si == -1) return str;
		var m = str.match(/<[\w]/);
		if (!m) return str;
		return str.slice(0, si) + str.slice(m.index);
	}

	/* str.match(/<!--[\s\S]*?-->/g) --> str_match_ng(str, "<!--", "-->") */
	function str_match_ng(str, s, e) {
		var out = [];

		var si = str.indexOf(s);
		while (si > -1) {
			var ei = str.indexOf(e, si + s.length);
			if (ei == -1) break;

			out.push(str.slice(si, ei + e.length));
			si = str.indexOf(s, ei + e.length);
		}

		return out.length > 0 ? out : null;
	}

	/* str.replace(/<!--[\s\S]*?-->/g, "") --> str_remove_ng(str, "<!--", "-->") */
	function str_remove_ng(str, s, e) {
		var out = [], last = 0;

		var si = str.indexOf(s);
		if (si == -1) return str;
		while (si > -1) {
			out.push(str.slice(last, si));
			var ei = str.indexOf(e, si + s.length);
			if (ei == -1) break;

			if ((si = str.indexOf(s, (last = ei + e.length))) == -1) out.push(str.slice(last));
		}

		return out.join("");
	}

	/* str.match(/<tag\b[^>]*?>([\s\S]*?)</tag>/) --> str_match_xml(str, "tag") */
	var xml_boundary = { " ": 1, "\t": 1, "\r": 1, "\n": 1, ">": 1 };
	function str_match_xml(str, tag) {
		var si = str.indexOf('<' + tag), w = tag.length + 1, L = str.length;
		while (si >= 0 && si <= L - w && !xml_boundary[str.charAt(si + w)]) si = str.indexOf('<' + tag, si + 1);
		if (si === -1) return null;
		var sf = str.indexOf(">", si + tag.length);
		if (sf === -1) return null;
		var et = "</" + tag + ">";
		var ei = str.indexOf(et, sf);
		if (ei == -1) return null;
		return [str.slice(si, ei + et.length), str.slice(sf + 1, ei)];
	}

	/* str.match(/<(?:\w+:)?tag\b[^<>]*?>([\s\S]*?)<\/(?:\w+:)?tag>/) --> str_match_xml(str, "tag") */
	var str_match_xml_ns = (function () {
		var str_match_xml_ns_cache = {};
		return function str_match_xml_ns(str, tag) {
			var res = str_match_xml_ns_cache[tag];
			if (!res) str_match_xml_ns_cache[tag] = res = [
				new RegExp('<(?:\\w+:)?' + tag + '\\b[^<>]*>', "g"),
				new RegExp('</(?:\\w+:)?' + tag + '>', "g")
			];
			res[0].lastIndex = res[1].lastIndex = 0;
			var m = res[0].exec(str);
			if (!m) return null;
			var si = m.index;
			var sf = res[0].lastIndex;
			res[1].lastIndex = res[0].lastIndex;
			m = res[1].exec(str);
			if (!m) return null;
			var ei = m.index;
			var ef = res[1].lastIndex;
			return [str.slice(si, ef), str.slice(sf, ei)];
		};
	})();

	/* str.match(/<(?:\w+:)?tag\b[^<>]*?>([\s\S]*?)<\/(?:\w+:)?tag>/g) --> str_match_xml_ns_g(str, "tag") */
	var str_match_xml_ns_g = (function () {
		var str_match_xml_ns_cache = {};
		return function str_match_xml_ns(str, tag) {
			var out = [];
			var res = str_match_xml_ns_cache[tag];
			if (!res) str_match_xml_ns_cache[tag] = res = [
				new RegExp('<(?:\\w+:)?' + tag + '\\b[^<>]*>', "g"),
				new RegExp('</(?:\\w+:)?' + tag + '>', "g")
			];
			res[0].lastIndex = res[1].lastIndex = 0;
			var m;
			while ((m = res[0].exec(str))) {
				var si = m.index;
				res[1].lastIndex = res[0].lastIndex;
				m = res[1].exec(str);
				if (!m) return null;
				var ef = res[1].lastIndex;
				out.push(str.slice(si, ef));
				res[0].lastIndex = res[1].lastIndex;
			}
			return out.length == 0 ? null : out;
		};
	})();
	var str_remove_xml_ns_g = (function () {
		var str_remove_xml_ns_cache = {};
		return function str_remove_xml_ns_g(str, tag) {
			var out = [];
			var res = str_remove_xml_ns_cache[tag];
			if (!res) str_remove_xml_ns_cache[tag] = res = [
				new RegExp('<(?:\\w+:)?' + tag + '\\b[^<>]*>', "g"),
				new RegExp('</(?:\\w+:)?' + tag + '>', "g")
			];
			res[0].lastIndex = res[1].lastIndex = 0;
			var m;
			var si = 0, ef = 0;
			while ((m = res[0].exec(str))) {
				si = m.index;
				out.push(str.slice(ef, si));
				ef = si;
				res[1].lastIndex = res[0].lastIndex;
				m = res[1].exec(str);
				if (!m) return null;
				ef = res[1].lastIndex;
				res[0].lastIndex = res[1].lastIndex;
			}
			out.push(str.slice(ef));
			return out.length == 0 ? "" : out.join("");
		};
	})();

	/* str.match(/<(?:\w+:)?tag\b[^>]*?>([\s\S]*?)<\/(?:\w+:)?tag>/gi) --> str_match_xml_ns_ig(str, "tag") */
	var str_match_xml_ig = (function () {
		var str_match_xml_ns_cache = {};
		return function str_match_xml_ns(str, tag) {
			var out = [];
			var res = str_match_xml_ns_cache[tag];
			if (!res) str_match_xml_ns_cache[tag] = res = [
				new RegExp('<' + tag + '\\b[^<>]*>', "ig"),
				new RegExp('</' + tag + '>', "ig")
			];
			res[0].lastIndex = res[1].lastIndex = 0;
			var m;
			while ((m = res[0].exec(str))) {
				var si = m.index;
				res[1].lastIndex = res[0].lastIndex;
				m = res[1].exec(str);
				if (!m) return null;
				var ef = res[1].lastIndex;
				out.push(str.slice(si, ef));
				res[0].lastIndex = res[1].lastIndex;
			}
			return out.length == 0 ? null : out;
		};
	})();
	function getdatastr(data) {
		if (!data) return null;
		if (data.content && data.type) return cc2str(data.content, true);
		if (data.data) return debom(data.data);
		if (data.asNodeBuffer && has_buf) return debom(data.asNodeBuffer().toString('binary'));
		if (data.asBinary) return debom(data.asBinary());
		if (data._data && data._data.getContent) return debom(cc2str(Array.prototype.slice.call(data._data.getContent(), 0)));
		return null;
	}

	function getdatabin(data) {
		if (!data) return null;
		if (data.data) return char_codes(data.data);
		if (data.asNodeBuffer && has_buf) return data.asNodeBuffer();
		if (data._data && data._data.getContent) {
			var o = data._data.getContent();
			if (typeof o == "string") return char_codes(o);
			return Array.prototype.slice.call(o);
		}
		if (data.content && data.type) return data.content;
		return null;
	}

	function getdata(data) { return (data && data.name.slice(-4) === ".bin") ? getdatabin(data) : getdatastr(data); }

	/* Part 2 Section 10.1.2 "Mapping Content Types" Names are case-insensitive */
	/* OASIS does not comment on filename case sensitivity */
	function safegetzipfile(zip, file) {
		var k = zip.FullPaths || keys(zip.files);
		var f = file.toLowerCase().replace(/[\/]/g, '\\'), g = f.replace(/\\/g, '\/');
		for (var i = 0; i < k.length; ++i) {
			var n = k[i].replace(/^Root Entry[\/]/, "").toLowerCase();
			if (f == n || g == n) return zip.files ? zip.files[k[i]] : zip.FileIndex[i];
		}
		return null;
	}

	function getzipfile(zip, file) {
		var o = safegetzipfile(zip, file);
		if (o == null) throw new Error("Cannot find file " + file + " in zip");
		return o;
	}

	function getzipdata(zip, file, safe) {
		if (!safe) return getdata(getzipfile(zip, file));
		if (!file) return null;
		try { return getzipdata(zip, file); } catch (e) { return null; }
	}

	function getzipstr(zip, file, safe) {
		if (!safe) return getdatastr(getzipfile(zip, file));
		if (!file) return null;
		try { return getzipstr(zip, file); } catch (e) { return null; }
	}

	function getzipbin(zip, file, safe) {
		if (!safe) return getdatabin(getzipfile(zip, file));
		if (!file) return null;
		try { return getzipbin(zip, file); } catch (e) { return null; }
	}

	function zipentries(zip) {
		var k = zip.FullPaths || keys(zip.files), o = [];
		for (var i = 0; i < k.length; ++i) if (k[i].slice(-1) != '/') o.push(k[i].replace(/^Root Entry[\/]/, ""));
		return o.sort();
	}

	function zip_add_file(zip, path, content) {
		if (zip.FullPaths) {
			if (Array.isArray(content) && typeof content[0] == "string") {
				content = content.join("");
			}
			if (typeof content == "string") {
				var res;
				if (has_buf) res = Buffer_from(content);
				/* TODO: investigate performance in Edge 13 */
				//else if(typeof TextEncoder !== "undefined") res = new TextEncoder().encode(content);
				else res = utf8decode(content);
				return CFB.utils.cfb_add(zip, path, res);
			}
			CFB.utils.cfb_add(zip, path, content);
		}
		else zip.file(path, content);
	}

	function zip_new() { return CFB.utils.cfb_new(); }

	function zip_read(d, o) {
		switch (o.type) {
			case "base64": return CFB.read(d, { type: "base64" });
			case "binary": return CFB.read(d, { type: "binary" });
			case "buffer": case "array": return CFB.read(d, { type: "buffer" });
		}
		throw new Error("Unrecognized type " + o.type);
	}

	function resolve_path(path, base) {
		if (path.charAt(0) == "/") return path.slice(1);
		var result = base.split('/');
		if (base.slice(-1) != "/") result.pop(); // folder path
		var target = path.split('/');
		while (target.length !== 0) {
			var step = target.shift();
			if (step === '..') result.pop();
			else if (step !== '.') result.push(step);
		}
		return result.join('/');
	}
	var XML_HEADER = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\r\n';
	var attregexg = /\s([^"\s?>\/]+)\s*=\s*((?:")([^"]*)(?:")|(?:')([^']*)(?:')|([^'">\s]+))/g;
	var tagregex1 = /<[\/\?]?[a-zA-Z0-9:_-]+(?:\s+[^"\s?<>\/]+\s*=\s*(?:"[^"]*"|'[^']*'|[^'"<>\s=]+))*\s*[\/\?]?>/mg, tagregex2 = /<[^<>]*>/g;
	var tagregex = XML_HEADER.match(tagregex1) ? tagregex1 : tagregex2;
	var nsregex = /<\w*:/, nsregex2 = /<(\/?)\w+:/;
	function parsexmltag(tag, skip_root, skip_LC) {
		var z = ({});
		var eq = 0, c = 0;
		for (; eq !== tag.length; ++eq) if ((c = tag.charCodeAt(eq)) === 32 || c === 10 || c === 13) break;
		if (!skip_root) z[0] = tag.slice(0, eq);
		if (eq === tag.length) return z;
		var m = tag.match(attregexg), j = 0, v = "", i = 0, q = "", cc = "", quot = 1;
		if (m) for (i = 0; i != m.length; ++i) {
			cc = m[i].slice(1);
			for (c = 0; c != cc.length; ++c) if (cc.charCodeAt(c) === 61) break;
			q = cc.slice(0, c).trim();
			while (cc.charCodeAt(c + 1) == 32) ++c;
			quot = ((eq = cc.charCodeAt(c + 1)) == 34 || eq == 39) ? 1 : 0;
			v = cc.slice(c + 1 + quot, cc.length - quot);
			for (j = 0; j != q.length; ++j) if (q.charCodeAt(j) === 58) break;
			if (j === q.length) {
				if (q.indexOf("_") > 0) q = q.slice(0, q.indexOf("_")); // from ods
				z[q] = v;
				if (!skip_LC) z[q.toLowerCase()] = v;
			}
			else {
				var k = (j === 5 && q.slice(0, 5) === "xmlns" ? "xmlns" : "") + q.slice(j + 1);
				if (z[k] && q.slice(j - 3, j) == "ext") continue; // from ods
				z[k] = v;
				if (!skip_LC) z[k.toLowerCase()] = v;
			}
		}
		return z;
	}
	function parsexmltagraw(tag, skip_root, skip_LC) {
		var z = ({});
		var eq = 0, c = 0;
		for (; eq !== tag.length; ++eq) if ((c = tag.charCodeAt(eq)) === 32 || c === 10 || c === 13) break;
		if (!skip_root) z[0] = tag.slice(0, eq);
		if (eq === tag.length) return z;
		var m = tag.match(attregexg), j = 0, v = "", i = 0, q = "", cc = "", quot = 1;
		if (m) for (i = 0; i != m.length; ++i) {
			cc = m[i].slice(1);
			for (c = 0; c != cc.length; ++c) if (cc.charCodeAt(c) === 61) break;
			q = cc.slice(0, c).trim();
			while (cc.charCodeAt(c + 1) == 32) ++c;
			quot = ((eq = cc.charCodeAt(c + 1)) == 34 || eq == 39) ? 1 : 0;
			v = cc.slice(c + 1 + quot, cc.length - quot);
			if (q.indexOf("_") > 0) q = q.slice(0, q.indexOf("_")); // from ods
			z[q] = v;
			if (!skip_LC) z[q.toLowerCase()] = v;
		}
		return z;
	}
	function strip_ns(x) { return x.replace(nsregex2, "<$1"); }

	var encodings = {
		'&quot;': '"',
		'&apos;': "'",
		'&gt;': '>',
		'&lt;': '<',
		'&amp;': '&'
	};
	var rencoding = evert(encodings);
	//var rencstr = "&<>'\"".split("");

	// TODO: CP remap (need to read file version to determine OS)
	var unescapexml = (function () {
		/* 22.4.2.4 bstr (Basic String) */
		var encregex = /&(?:quot|apos|gt|lt|amp|#x?([\da-fA-F]+));/ig, coderegex = /_x([\da-fA-F]{4})_/ig;
		function raw_unescapexml(text) {
			var s = text + '', i = s.indexOf("<![CDATA[");
			if (i == -1) return s.replace(encregex, function ($$, $1) { return encodings[$$] || String.fromCharCode(parseInt($1, $$.indexOf("x") > -1 ? 16 : 10)) || $$; }).replace(coderegex, function (m, c) { return String.fromCharCode(parseInt(c, 16)); });
			var j = s.indexOf("]]>");
			return raw_unescapexml(s.slice(0, i)) + s.slice(i + 9, j) + raw_unescapexml(s.slice(j + 3));
		}
		return function unescapexml(text, xlsx) {
			var out = raw_unescapexml(text);
			return xlsx ? out.replace(/\r\n/g, "\n") : out;
		};
	})();

	var decregex = /[&<>'"]/g, charegex = /[\u0000-\u0008\u000b-\u001f\uFFFE-\uFFFF]/g;
	function escapexml(text) {
		var s = text + '';
		return s.replace(decregex, function (y) { return rencoding[y]; }).replace(charegex, function (s) { return "_x" + ("000" + s.charCodeAt(0).toString(16)).slice(-4) + "_"; });
	}
	function escapexmltag(text) { return escapexml(text).replace(/ /g, "_x0020_"); }

	var htmlcharegex = /[\u0000-\u001f]/g;
	function escapehtml(text) {
		var s = text + '';
		return s.replace(decregex, function (y) { return rencoding[y]; }).replace(/\n/g, "<br/>").replace(htmlcharegex, function (s) { return "&#x" + ("000" + s.charCodeAt(0).toString(16)).slice(-4) + ";"; });
	}

	function escapexlml(text) {
		var s = text + '';
		return s.replace(decregex, function (y) { return rencoding[y]; }).replace(htmlcharegex, function (s) { return "&#x" + (s.charCodeAt(0).toString(16)).toUpperCase() + ";"; });
	}

	/* TODO: handle codepages */
	var xlml_fixstr = (function () {
		var entregex = /&#(\d+);/g;
		function entrepl($$, $1) { return String.fromCharCode(parseInt($1, 10)); }
		return function xlml_fixstr(str) { return str.replace(entregex, entrepl); };
	})();
	function xlml_unfixstr(str) { return str.replace(/(\r\n|[\r\n])/g, "\&#10;"); }

	/* note: xsd:boolean valid values: true / 1 / false / 0 */
	function parsexmlbool(value) {
		switch (value) {
			case 1: case true: case '1': case 'true': return true;
			case 0: case false: case '0': case 'false': return false;
			//default: throw new Error("Invalid xsd:boolean " + value);
		}
		return false;
	}

	function utf8reada(orig) {
		var out = "", i = 0, c = 0, d = 0, e = 0, f = 0, w = 0;
		while (i < orig.length) {
			c = orig.charCodeAt(i++);
			if (c < 128) { out += String.fromCharCode(c); continue; }
			d = orig.charCodeAt(i++);
			if (c > 191 && c < 224) { f = ((c & 31) << 6); f |= (d & 63); out += String.fromCharCode(f); continue; }
			e = orig.charCodeAt(i++);
			if (c < 240) { out += String.fromCharCode(((c & 15) << 12) | ((d & 63) << 6) | (e & 63)); continue; }
			f = orig.charCodeAt(i++);
			w = (((c & 7) << 18) | ((d & 63) << 12) | ((e & 63) << 6) | (f & 63)) - 65536;
			out += String.fromCharCode(0xD800 + ((w >>> 10) & 1023));
			out += String.fromCharCode(0xDC00 + (w & 1023));
		}
		return out;
	}

	function utf8readb(data) {
		var out = new_raw_buf(2 * data.length), w, i, j = 1, k = 0, ww = 0, c;
		for (i = 0; i < data.length; i += j) {
			j = 1;
			if ((c = data.charCodeAt(i)) < 128) w = c;
			else if (c < 224) { w = (c & 31) * 64 + (data.charCodeAt(i + 1) & 63); j = 2; }
			else if (c < 240) { w = (c & 15) * 4096 + (data.charCodeAt(i + 1) & 63) * 64 + (data.charCodeAt(i + 2) & 63); j = 3; }
			else {
				j = 4;
				w = (c & 7) * 262144 + (data.charCodeAt(i + 1) & 63) * 4096 + (data.charCodeAt(i + 2) & 63) * 64 + (data.charCodeAt(i + 3) & 63);
				w -= 65536; ww = 0xD800 + ((w >>> 10) & 1023); w = 0xDC00 + (w & 1023);
			}
			if (ww !== 0) { out[k++] = ww & 255; out[k++] = ww >>> 8; ww = 0; }
			out[k++] = w % 256; out[k++] = w >>> 8;
		}
		return out.slice(0, k).toString('ucs2');
	}

	function utf8readc(data) { return Buffer_from(data, 'binary').toString('utf8'); }

	var utf8corpus = "foo bar baz\u00e2\u0098\u0083\u00f0\u009f\u008d\u00a3";
	var utf8read = has_buf && (utf8readc(utf8corpus) == utf8reada(utf8corpus) && utf8readc || utf8readb(utf8corpus) == utf8reada(utf8corpus) && utf8readb) || utf8reada;

	var utf8write = has_buf ? function (data) { return Buffer_from(data, 'utf8').toString("binary"); } : function (orig) {
		var out = [], i = 0, c = 0, d = 0;
		while (i < orig.length) {
			c = orig.charCodeAt(i++);
			switch (true) {
				case c < 128: out.push(String.fromCharCode(c)); break;
				case c < 2048:
					out.push(String.fromCharCode(192 + (c >> 6)));
					out.push(String.fromCharCode(128 + (c & 63)));
					break;
				case c >= 55296 && c < 57344:
					c -= 55296; d = orig.charCodeAt(i++) - 56320 + (c << 10);
					out.push(String.fromCharCode(240 + ((d >> 18) & 7)));
					out.push(String.fromCharCode(144 + ((d >> 12) & 63)));
					out.push(String.fromCharCode(128 + ((d >> 6) & 63)));
					out.push(String.fromCharCode(128 + (d & 63)));
					break;
				default:
					out.push(String.fromCharCode(224 + (c >> 12)));
					out.push(String.fromCharCode(128 + ((c >> 6) & 63)));
					out.push(String.fromCharCode(128 + (c & 63)));
			}
		}
		return out.join("");
	};

	var htmldecode = (function () {
		var entities = [
			['nbsp', ' '], ['middot', '·'],
			['quot', '"'], ['apos', "'"], ['gt', '>'], ['lt', '<'], ['amp', '&']
		].map(function (x) { return [new RegExp('&' + x[0] + ';', "ig"), x[1]]; });
		return function htmldecode(str) {
			var o = str
				// Remove new lines and spaces from start of content
				.replace(/^[\t\n\r ]+/, "")
				// Remove new lines and spaces from end of content
				.replace(/(^|[^\t\n\r ])[\t\n\r ]+$/, "$1")
				// Added line which removes any white space characters after and before html tags
				.replace(/>\s+/g, ">").replace(/\b\s+</g, "<")
				// Replace remaining new lines and spaces with space
				.replace(/[\t\n\r ]+/g, " ")
				// Replace <br> tags with new lines
				.replace(/<\s*[bB][rR]\s*\/?>/g, "\n")
				// Strip HTML elements
				.replace(/<[^<>]*>/g, "");
			for (var i = 0; i < entities.length; ++i) o = o.replace(entities[i][0], entities[i][1]);
			return o;
		};
	})();

	var vtvregex = /<\/?(?:vt:)?variant>/g, vtmregex = /<(?:vt:)([^<"'>]*)>([\s\S]*)</;
	function parseVector(data, opts) {
		var h = parsexmltag(data);

		var matches = str_match_xml_ns_g(data, h.baseType) || [];
		var res = [];
		if (matches.length != h.size) {
			if (opts.WTF) throw new Error("unexpected vector length " + matches.length + " != " + h.size);
			return res;
		}
		matches.forEach(function (x) {
			var v = x.replace(vtvregex, "").match(vtmregex);
			if (v) res.push({ v: utf8read(v[2]), t: v[1] });
		});
		return res;
	}

	var wtregex = /(^\s|\s$|\n)/;
	function writetag(f, g) { return '<' + f + (g.match(wtregex) ? ' xml:space="preserve"' : "") + '>' + g + '</' + f + '>'; }

	function wxt_helper(h) { return keys(h).map(function (k) { return " " + k + '="' + h[k] + '"'; }).join(""); }
	function writextag(f, g, h) { return '<' + f + ((h != null) ? wxt_helper(h) : "") + ((g != null) ? (g.match(wtregex) ? ' xml:space="preserve"' : "") + '>' + g + '</' + f : "/") + '>'; }

	function write_w3cdtf(d, t) { try { return d.toISOString().replace(/\.\d*/, ""); } catch (e) { if (t) throw e; } return ""; }

	function write_vt(s, xlsx) {
		switch (typeof s) {
			case 'string':
				var o = writextag('vt:lpwstr', escapexml(s));
				if (xlsx) o = o.replace(/&quot;/g, "_x0022_");
				return o;
			case 'number': return writextag((s | 0) == s ? 'vt:i4' : 'vt:r8', escapexml(String(s)));
			case 'boolean': return writextag('vt:bool', s ? 'true' : 'false');
		}
		if (s instanceof Date) return writextag('vt:filetime', write_w3cdtf(s));
		throw new Error("Unable to serialize " + s);
	}

	function xlml_normalize(d) {
		if (has_buf && Buffer.isBuffer(d)) return d.toString('utf8');
		if (typeof d === 'string') return d;
		/* duktape */
		if (typeof Uint8Array !== 'undefined' && d instanceof Uint8Array) return utf8read(a2s(ab2a(d)));
		throw new Error("Bad input format: expected Buffer or string");
	}
	/* UOS uses CJK in tags, ODS uses invalid XML */
	var xlmlregex = /<([\/]?)([^\s?><!\/:"]*:|)([^\s?<>:\/"]+)(?:\s+[^<>=?"'\s]+="[^"]*?")*\s*[\/]?>/mg;

	var XMLNS = ({
		CORE_PROPS: 'http://schemas.openxmlformats.org/package/2006/metadata/core-properties',
		CUST_PROPS: "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties",
		EXT_PROPS: "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties",
		CT: 'http://schemas.openxmlformats.org/package/2006/content-types',
		RELS: 'http://schemas.openxmlformats.org/package/2006/relationships',
		TCMNT: 'http://schemas.microsoft.com/office/spreadsheetml/2018/threadedcomments',
		'dc': 'http://purl.org/dc/elements/1.1/',
		'dcterms': 'http://purl.org/dc/terms/',
		'dcmitype': 'http://purl.org/dc/dcmitype/',
		'mx': 'http://schemas.microsoft.com/office/mac/excel/2008/main',
		'r': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships',
		'sjs': 'http://schemas.openxmlformats.org/package/2006/sheetjs/core-properties',
		'vt': 'http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes',
		'xsi': 'http://www.w3.org/2001/XMLSchema-instance',
		'xsd': 'http://www.w3.org/2001/XMLSchema'
	});

	var XMLNS_main = [
		'http://schemas.openxmlformats.org/spreadsheetml/2006/main',
		'http://purl.oclc.org/ooxml/spreadsheetml/main',
		'http://schemas.microsoft.com/office/excel/2006/main',
		'http://schemas.microsoft.com/office/excel/2006/2'
	];

	var XLMLNS = ({
		'o': 'urn:schemas-microsoft-com:office:office',
		'x': 'urn:schemas-microsoft-com:office:excel',
		'ss': 'urn:schemas-microsoft-com:office:spreadsheet',
		'dt': 'uuid:C2F41010-65B3-11d1-A29F-00AA00C14882',
		'mv': 'http://macVmlSchemaUri',
		'v': 'urn:schemas-microsoft-com:vml',
		'html': 'http://www.w3.org/TR/REC-html40'
	});
	function read_double_le(b, idx) {
		var s = 1 - 2 * (b[idx + 7] >>> 7);
		var e = ((b[idx + 7] & 0x7f) << 4) + ((b[idx + 6] >>> 4) & 0x0f);
		var m = (b[idx + 6] & 0x0f);
		for (var i = 5; i >= 0; --i) m = m * 256 + b[idx + i];
		if (e == 0x7ff) return m == 0 ? (s * Infinity) : NaN;
		if (e == 0) e = -1022;
		else { e -= 1023; m += Math.pow(2, 52); }
		return s * Math.pow(2, e - 52) * m;
	}

	function write_double_le(b, v, idx) {
		var bs = ((((v < 0) || (1 / v == -Infinity)) ? 1 : 0) << 7), e = 0, m = 0;
		var av = bs ? (-v) : v;
		if (!isFinite(av)) { e = 0x7ff; m = isNaN(v) ? 0x6969 : 0; }
		else if (av == 0) e = m = 0;
		else {
			e = Math.floor(Math.log(av) / Math.LN2);
			m = av * Math.pow(2, 52 - e);
			if ((e <= -1023) && (!isFinite(m) || (m < Math.pow(2, 52)))) { e = -1022; }
			else { m -= Math.pow(2, 52); e += 1023; }
		}
		for (var i = 0; i <= 5; ++i, m /= 256) b[idx + i] = m & 0xff;
		b[idx + 6] = ((e & 0x0f) << 4) | (m & 0xf);
		b[idx + 7] = (e >> 4) | bs;
	}

	var ___toBuffer = function (bufs) { var x = [], w = 10240; for (var i = 0; i < bufs[0].length; ++i) if (bufs[0][i]) for (var j = 0, L = bufs[0][i].length; j < L; j += w) x.push.apply(x, bufs[0][i].slice(j, j + w)); return x; };
	var __toBuffer = has_buf ? function (bufs) { return (bufs[0].length > 0 && Buffer.isBuffer(bufs[0][0])) ? Buffer.concat(bufs[0].map(function (x) { return Buffer.isBuffer(x) ? x : Buffer_from(x); })) : ___toBuffer(bufs); } : ___toBuffer;

	var ___utf16le = function (b, s, e) { var ss = []; for (var i = s; i < e; i += 2) ss.push(String.fromCharCode(__readUInt16LE(b, i))); return ss.join("").replace(chr0, ''); };
	var __utf16le = has_buf ? function (b, s, e) { if (!Buffer.isBuffer(b) || !buf_utf16le) return ___utf16le(b, s, e); return b.toString('utf16le', s, e).replace(chr0, '')/*.replace(chr1,'!')*/; } : ___utf16le;

	var ___hexlify = function (b, s, l) { var ss = []; for (var i = s; i < s + l; ++i) ss.push(("0" + b[i].toString(16)).slice(-2)); return ss.join(""); };
	var __hexlify = has_buf ? function (b, s, l) { return Buffer.isBuffer(b) ? b.toString('hex', s, s + l) : ___hexlify(b, s, l); } : ___hexlify;

	var ___utf8 = function (b, s, e) { var ss = []; for (var i = s; i < e; i++) ss.push(String.fromCharCode(__readUInt8(b, i))); return ss.join(""); };
	var __utf8 = has_buf ? function utf8_b(b, s, e) { return (Buffer.isBuffer(b)) ? b.toString('utf8', s, e) : ___utf8(b, s, e); } : ___utf8;

	var ___lpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len - 1) : ""; };
	var __lpstr = ___lpstr;

	var ___cpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len - 1) : ""; };
	var __cpstr = ___cpstr;

	var ___lpwstr = function (b, i) { var len = 2 * __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len - 1) : ""; };
	var __lpwstr = ___lpwstr;

	var ___lpp4 = function lpp4_(b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf16le(b, i + 4, i + 4 + len) : ""; };
	var __lpp4 = ___lpp4;

	var ___8lpp4 = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len) : ""; };
	var __8lpp4 = ___8lpp4;

	var ___double = function (b, idx) { return read_double_le(b, idx); };
	var __double = ___double;

	var is_buf = function is_buf_a(a) { return Array.isArray(a) || (typeof Uint8Array !== "undefined" && a instanceof Uint8Array); };

	if (has_buf) {
		__lpstr = function lpstr_b(b, i) { if (!Buffer.isBuffer(b)) return ___lpstr(b, i); var len = b.readUInt32LE(i); return len > 0 ? b.toString('utf8', i + 4, i + 4 + len - 1) : ""; };
		__cpstr = function cpstr_b(b, i) { if (!Buffer.isBuffer(b)) return ___cpstr(b, i); var len = b.readUInt32LE(i); return len > 0 ? b.toString('utf8', i + 4, i + 4 + len - 1) : ""; };
		__lpwstr = function lpwstr_b(b, i) { if (!Buffer.isBuffer(b) || !buf_utf16le) return ___lpwstr(b, i); var len = 2 * b.readUInt32LE(i); return b.toString('utf16le', i + 4, i + 4 + len - 1); };
		__lpp4 = function lpp4_b(b, i) { if (!Buffer.isBuffer(b) || !buf_utf16le) return ___lpp4(b, i); var len = b.readUInt32LE(i); return b.toString('utf16le', i + 4, i + 4 + len); };
		__8lpp4 = function lpp4_8b(b, i) { if (!Buffer.isBuffer(b)) return ___8lpp4(b, i); var len = b.readUInt32LE(i); return b.toString('utf8', i + 4, i + 4 + len); };
		__double = function double_(b, i) { if (Buffer.isBuffer(b)) return b.readDoubleLE(i); return ___double(b, i); };
		is_buf = function is_buf_b(a) { return Buffer.isBuffer(a) || Array.isArray(a) || (typeof Uint8Array !== "undefined" && a instanceof Uint8Array); };
	}

	/* from js-xls */
	function cpdoit() {
		__utf16le = function (b, s, e) { return $cptable.utils.decode(1200, b.slice(s, e)).replace(chr0, ''); };
		__utf8 = function (b, s, e) { return $cptable.utils.decode(65001, b.slice(s, e)); };
		__lpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? $cptable.utils.decode(current_ansi, b.slice(i + 4, i + 4 + len - 1)) : ""; };
		__cpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? $cptable.utils.decode(current_codepage, b.slice(i + 4, i + 4 + len - 1)) : ""; };
		__lpwstr = function (b, i) { var len = 2 * __readUInt32LE(b, i); return len > 0 ? $cptable.utils.decode(1200, b.slice(i + 4, i + 4 + len - 1)) : ""; };
		__lpp4 = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? $cptable.utils.decode(1200, b.slice(i + 4, i + 4 + len)) : ""; };
		__8lpp4 = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? $cptable.utils.decode(65001, b.slice(i + 4, i + 4 + len)) : ""; };
	}
	if (typeof $cptable !== 'undefined') cpdoit();

	var __readUInt8 = function (b, idx) { return b[idx]; };
	var __readUInt16LE = function (b, idx) { return (b[idx + 1] * (1 << 8)) + b[idx]; };
	var __readInt16LE = function (b, idx) { var u = (b[idx + 1] * (1 << 8)) + b[idx]; return (u < 0x8000) ? u : ((0xffff - u + 1) * -1); };
	var __readUInt32LE = function (b, idx) { return b[idx + 3] * (1 << 24) + (b[idx + 2] << 16) + (b[idx + 1] << 8) + b[idx]; };
	var __readInt32LE = function (b, idx) { return (b[idx + 3] << 24) | (b[idx + 2] << 16) | (b[idx + 1] << 8) | b[idx]; };
	var __readInt32BE = function (b, idx) { return (b[idx] << 24) | (b[idx + 1] << 16) | (b[idx + 2] << 8) | b[idx + 3]; };

	function ReadShift(size, t) {
		var o = "", oI, oR, oo = [], w, vv, i, loc;
		switch (t) {
			case 'dbcs':
				loc = this.l;
				if (has_buf && Buffer.isBuffer(this) && buf_utf16le) o = this.slice(this.l, this.l + 2 * size).toString("utf16le");
				else for (i = 0; i < size; ++i) { o += String.fromCharCode(__readUInt16LE(this, loc)); loc += 2; }
				size *= 2;
				break;

			case 'utf8': o = __utf8(this, this.l, this.l + size); break;
			case 'utf16le': size *= 2; o = __utf16le(this, this.l, this.l + size); break;

			case 'wstr':
				if (typeof $cptable !== 'undefined') o = $cptable.utils.decode(current_codepage, this.slice(this.l, this.l + 2 * size));
				else return ReadShift.call(this, size, 'dbcs');
				size = 2 * size; break;

			/* [MS-OLEDS] 2.1.4 LengthPrefixedAnsiString */
			case 'lpstr-ansi': o = __lpstr(this, this.l); size = 4 + __readUInt32LE(this, this.l); break;
			case 'lpstr-cp': o = __cpstr(this, this.l); size = 4 + __readUInt32LE(this, this.l); break;
			/* [MS-OLEDS] 2.1.5 LengthPrefixedUnicodeString */
			case 'lpwstr': o = __lpwstr(this, this.l); size = 4 + 2 * __readUInt32LE(this, this.l); break;
			/* [MS-OFFCRYPTO] 2.1.2 Length-Prefixed Padded Unicode String (UNICODE-LP-P4) */
			case 'lpp4': size = 4 + __readUInt32LE(this, this.l); o = __lpp4(this, this.l); if (size & 0x02) size += 2; break;
			/* [MS-OFFCRYPTO] 2.1.3 Length-Prefixed UTF-8 String (UTF-8-LP-P4) */
			case '8lpp4': size = 4 + __readUInt32LE(this, this.l); o = __8lpp4(this, this.l); if (size & 0x03) size += 4 - (size & 0x03); break;

			case 'cstr': size = 0; o = "";
				while ((w = __readUInt8(this, this.l + size++)) !== 0) oo.push(_getchar(w));
				o = oo.join(""); break;
			case '_wstr': size = 0; o = "";
				while ((w = __readUInt16LE(this, this.l + size)) !== 0) { oo.push(_getchar(w)); size += 2; }
				size += 2; o = oo.join(""); break;

			/* sbcs and dbcs support continue records in the SST way TODO codepages */
			case 'dbcs-cont': o = ""; loc = this.l;
				for (i = 0; i < size; ++i) {
					if (this.lens && this.lens.indexOf(loc) !== -1) {
						w = __readUInt8(this, loc);
						this.l = loc + 1;
						vv = ReadShift.call(this, size - i, w ? 'dbcs-cont' : 'sbcs-cont');
						return oo.join("") + vv;
					}
					oo.push(_getchar(__readUInt16LE(this, loc)));
					loc += 2;
				} o = oo.join(""); size *= 2; break;

			case 'cpstr':
				if (typeof $cptable !== 'undefined') {
					o = $cptable.utils.decode(current_codepage, this.slice(this.l, this.l + size));
					break;
				}
			/* falls through */
			case 'sbcs-cont': o = ""; loc = this.l;
				for (i = 0; i != size; ++i) {
					if (this.lens && this.lens.indexOf(loc) !== -1) {
						w = __readUInt8(this, loc);
						this.l = loc + 1;
						vv = ReadShift.call(this, size - i, w ? 'dbcs-cont' : 'sbcs-cont');
						return oo.join("") + vv;
					}
					oo.push(_getchar(__readUInt8(this, loc)));
					loc += 1;
				} o = oo.join(""); break;

			default:
				switch (size) {
					case 1: oI = __readUInt8(this, this.l); this.l++; return oI;
					case 2: oI = (t === 'i' ? __readInt16LE : __readUInt16LE)(this, this.l); this.l += 2; return oI;
					case 4: case -4:
						if (t === 'i' || ((this[this.l + 3] & 0x80) === 0)) { oI = ((size > 0) ? __readInt32LE : __readInt32BE)(this, this.l); this.l += 4; return oI; }
						else { oR = __readUInt32LE(this, this.l); this.l += 4; } return oR;
					case 8: case -8:
						if (t === 'f') {
							if (size == 8) oR = __double(this, this.l);
							else oR = __double([this[this.l + 7], this[this.l + 6], this[this.l + 5], this[this.l + 4], this[this.l + 3], this[this.l + 2], this[this.l + 1], this[this.l + 0]], 0);
							this.l += 8; return oR;
						} else size = 8;
					/* falls through */
					case 16: o = __hexlify(this, this.l, size); break;
				}
		}
		this.l += size; return o;
	}

	var __writeUInt32LE = function (b, val, idx) { b[idx] = (val & 0xFF); b[idx + 1] = ((val >>> 8) & 0xFF); b[idx + 2] = ((val >>> 16) & 0xFF); b[idx + 3] = ((val >>> 24) & 0xFF); };
	var __writeInt32LE = function (b, val, idx) { b[idx] = (val & 0xFF); b[idx + 1] = ((val >> 8) & 0xFF); b[idx + 2] = ((val >> 16) & 0xFF); b[idx + 3] = ((val >> 24) & 0xFF); };
	var __writeUInt16LE = function (b, val, idx) { b[idx] = (val & 0xFF); b[idx + 1] = ((val >>> 8) & 0xFF); };

	function WriteShift(t, val, f) {
		var size = 0, i = 0;
		if (f === 'dbcs') {
			for (i = 0; i != val.length; ++i) __writeUInt16LE(this, val.charCodeAt(i), this.l + 2 * i);
			size = 2 * val.length;
		} else if (f === 'sbcs' || f == 'cpstr') {
			if (typeof $cptable !== 'undefined' && current_ansi == 874) {
				/* TODO: use tables directly, don't encode */
				for (i = 0; i != val.length; ++i) {
					var cpp = $cptable.utils.encode(current_ansi, val.charAt(i));
					this[this.l + i] = cpp[0];
				}
				size = val.length;
			} else if (typeof $cptable !== 'undefined' && f == 'cpstr') {
				cpp = $cptable.utils.encode(current_codepage, val);
				/* replace null bytes with _ when relevant */
				if (cpp.length == val.length) for (i = 0; i < val.length; ++i) if (cpp[i] == 0 && val.charCodeAt(i) != 0) cpp[i] = 0x5F;
				if (cpp.length == 2 * val.length) for (i = 0; i < val.length; ++i) if (cpp[2 * i] == 0 && cpp[2 * i + 1] == 0 && val.charCodeAt(i) != 0) cpp[2 * i] = 0x5F;
				for (i = 0; i < cpp.length; ++i) this[this.l + i] = cpp[i];
				size = cpp.length;
			} else {
				val = val.replace(/[^\x00-\x7F]/g, "_");
				for (i = 0; i != val.length; ++i) this[this.l + i] = (val.charCodeAt(i) & 0xFF);
				size = val.length;
			}
		} else if (f === 'hex') {
			for (; i < t; ++i) {
				this[this.l++] = (parseInt(val.slice(2 * i, 2 * i + 2), 16) || 0);
			} return this;
		} else if (f === 'utf16le') {
			var end = Math.min(this.l + t, this.length);
			for (i = 0; i < Math.min(val.length, t); ++i) {
				var cc = val.charCodeAt(i);
				this[this.l++] = (cc & 0xff);
				this[this.l++] = (cc >> 8);
			}
			while (this.l < end) this[this.l++] = 0;
			return this;
		} else switch (t) {
			case 1: size = 1; this[this.l] = val & 0xFF; break;
			case 2: size = 2; this[this.l] = val & 0xFF; val >>>= 8; this[this.l + 1] = val & 0xFF; break;
			case 3: size = 3; this[this.l] = val & 0xFF; val >>>= 8; this[this.l + 1] = val & 0xFF; val >>>= 8; this[this.l + 2] = val & 0xFF; break;
			case 4: size = 4; __writeUInt32LE(this, val, this.l); break;
			case 8: size = 8; if (f === 'f') { write_double_le(this, val, this.l); break; }
			/* falls through */
			case 16: break;
			case -4: size = 4; __writeInt32LE(this, val, this.l); break;
		}
		this.l += size; return this;
	}

	function CheckField(hexstr, fld) {
		var m = __hexlify(this, this.l, hexstr.length >> 1);
		if (m !== hexstr) throw new Error(fld + 'Expected ' + hexstr + ' saw ' + m);
		this.l += hexstr.length >> 1;
	}

	function prep_blob(blob, pos) {
		blob.l = pos;
		blob.read_shift = ReadShift;
		blob.chk = CheckField;
		blob.write_shift = WriteShift;
	}

	function parsenoop(blob, length) { blob.l += length; }

	function new_buf(sz) {
		var o = new_raw_buf(sz);
		prep_blob(o, 0);
		return o;
	}

	/* [MS-XLSB] 2.1.4 Record */
	function recordhopper(data, cb, opts) {
		if (!data) return;
		var tmpbyte, cntbyte, length;
		prep_blob(data, data.l || 0);
		var L = data.length, RT = 0, tgt = 0;
		while (data.l < L) {
			RT = data.read_shift(1);
			if (RT & 0x80) RT = (RT & 0x7F) + ((data.read_shift(1) & 0x7F) << 7);
			var R = XLSBRecordEnum[RT] || XLSBRecordEnum[0xFFFF];
			tmpbyte = data.read_shift(1);
			length = tmpbyte & 0x7F;
			for (cntbyte = 1; cntbyte < 4 && (tmpbyte & 0x80); ++cntbyte) length += ((tmpbyte = data.read_shift(1)) & 0x7F) << (7 * cntbyte);
			tgt = data.l + length;
			var d = R.f && R.f(data, length, opts);
			data.l = tgt;
			if (cb(d, R, RT)) return;
		}
	}

	/* control buffer usage for fixed-length buffers */
	function buf_array() {
		var bufs = [], blksz = has_buf ? 16384 : 2048;
		var has_buf_copy = has_buf && (typeof new_buf(blksz).copy == "function");
		var newblk = function ba_newblk(sz) {
			var o = (new_buf(sz));
			prep_blob(o, 0);
			return o;
		};

		var curbuf = newblk(blksz);

		var endbuf = function ba_endbuf() {
			if (!curbuf) return;
			// workaround for new Buffer(3).slice(0,0) bug in bun 0.1.3
			if (curbuf.l) {
				if (curbuf.length > curbuf.l) { curbuf = curbuf.slice(0, curbuf.l); curbuf.l = curbuf.length; }
				if (curbuf.length > 0) bufs.push(curbuf);
			}
			curbuf = null;
		};

		var next = function ba_next(sz) {
			if (curbuf && (sz < (curbuf.length - curbuf.l))) return curbuf;
			endbuf();
			return (curbuf = newblk(Math.max(sz + 1, blksz)));
		};

		var end = function ba_end() {
			endbuf();
			return bconcat(bufs);
		};
		var end2 = function () {
			endbuf(); return bufs;
		};

		var push = function ba_push(buf) {
			endbuf(); curbuf = buf; if (curbuf.l == null) curbuf.l = curbuf.length; next(blksz);
		};

		return ({ next: next, push: push, end: end, _bufs: bufs, end2: end2 });
	}

	function write_record(ba, type, payload, length) {
		var t = +type, l;
		if (isNaN(t)) return; // TODO: throw something here?
		if (!length) length = XLSBRecordEnum[t].p || (payload || []).length || 0;
		l = 1 + (t >= 0x80 ? 1 : 0) + 1/* + length*/;
		if (length >= 0x80) ++l; if (length >= 0x4000) ++l; if (length >= 0x200000) ++l;
		var o = ba.next(l);
		if (t <= 0x7F) o.write_shift(1, t);
		else {
			o.write_shift(1, (t & 0x7F) + 0x80);
			o.write_shift(1, (t >> 7));
		}
		for (var i = 0; i != 4; ++i) {
			if (length >= 0x80) { o.write_shift(1, (length & 0x7F) + 0x80); length >>= 7; }
			else { o.write_shift(1, length); break; }
		}
		if (length > 0 && is_buf(payload)) ba.push(payload);
	}
	/* XLS ranges enforced */
	function shift_cell_xls(cell, tgt, opts) {
		var out = dup(cell);
		if (tgt.s) {
			if (out.cRel) out.c += tgt.s.c;
			if (out.rRel) out.r += tgt.s.r;
		} else {
			if (out.cRel) out.c += tgt.c;
			if (out.rRel) out.r += tgt.r;
		}
		if (!opts || opts.biff < 12) {
			while (out.c >= 0x100) out.c -= 0x100;
			while (out.r >= 0x10000) out.r -= 0x10000;
		}
		return out;
	}

	function shift_range_xls(cell, range, opts) {
		var out = dup(cell);
		out.s = shift_cell_xls(out.s, range.s, opts);
		out.e = shift_cell_xls(out.e, range.s, opts);
		return out;
	}

	function encode_cell_xls(c, biff) {
		if (c.cRel && c.c < 0) { c = dup(c); while (c.c < 0) c.c += (biff > 8) ? 0x4000 : 0x100; }
		if (c.rRel && c.r < 0) { c = dup(c); while (c.r < 0) c.r += (biff > 8) ? 0x100000 : ((biff > 5) ? 0x10000 : 0x4000); }
		var s = encode_cell(c);
		if (!c.cRel && c.cRel != null) s = fix_col(s);
		if (!c.rRel && c.rRel != null) s = fix_row(s);
		return s;
	}

	function encode_range_xls(r, opts) {
		if (r.s.r == 0 && !r.s.rRel) {
			if (r.e.r == (opts.biff >= 12 ? 0xFFFFF : (opts.biff >= 8 ? 0x10000 : 0x4000)) && !r.e.rRel) {
				return (r.s.cRel ? "" : "$") + encode_col(r.s.c) + ":" + (r.e.cRel ? "" : "$") + encode_col(r.e.c);
			}
		}
		if (r.s.c == 0 && !r.s.cRel) {
			if (r.e.c == (opts.biff >= 12 ? 0x3FFF : 0xFF) && !r.e.cRel) {
				return (r.s.rRel ? "" : "$") + encode_row(r.s.r) + ":" + (r.e.rRel ? "" : "$") + encode_row(r.e.r);
			}
		}
		return encode_cell_xls(r.s, opts.biff) + ":" + encode_cell_xls(r.e, opts.biff);
	}
	if (typeof cptable !== 'undefined') set_cptable(cptable);
	else if (typeof module !== "undefined" && typeof require !== 'undefined') {
		set_cptable(require('./dist/cpexcel.js'));
	}
	function decode_row(rowstr) { return parseInt(unfix_row(rowstr), 10) - 1; }
	function encode_row(row) { return "" + (row + 1); }
	function fix_row(cstr) { return cstr.replace(/([A-Z]|^)(\d+)$/, "$1$$$2"); }
	function unfix_row(cstr) { return cstr.replace(/\$(\d+)$/, "$1"); }

	function decode_col(colstr) { var c = unfix_col(colstr), d = 0, i = 0; for (; i !== c.length; ++i) d = 26 * d + c.charCodeAt(i) - 64; return d - 1; }
	function encode_col(col) { if (col < 0) throw new Error("invalid column " + col); var s = ""; for (++col; col; col = Math.floor((col - 1) / 26)) s = String.fromCharCode(((col - 1) % 26) + 65) + s; return s; }
	function fix_col(cstr) { return cstr.replace(/^([A-Z])/, "$$$1"); }
	function unfix_col(cstr) { return cstr.replace(/^\$([A-Z])/, "$1"); }

	function split_cell(cstr) { return cstr.replace(/(\$?[A-Z]*)(\$?\d*)/, "$1,$2").split(","); }
	function decode_cell(cstr) {
		var R = 0, C = 0;
		for (var i = 0; i < cstr.length; ++i) {
			var cc = cstr.charCodeAt(i);
			if (cc >= 48 && cc <= 57) R = 10 * R + (cc - 48);
			else if (cc >= 65 && cc <= 90) C = 26 * C + (cc - 64);
		}
		return { c: C - 1, r: R - 1 };
	}
	function encode_cell(cell) {
		var col = cell.c + 1;
		var s = "";
		for (; col; col = ((col - 1) / 26) | 0) s = String.fromCharCode(((col - 1) % 26) + 65) + s;
		return s + (cell.r + 1);
	}
	function decode_range(range) {
		var idx = range.indexOf(":");
		if (idx == -1) return { s: decode_cell(range), e: decode_cell(range) };
		return { s: decode_cell(range.slice(0, idx)), e: decode_cell(range.slice(idx + 1)) };
	}
	function encode_range(cs, ce) {
		if (typeof ce === 'undefined' || typeof ce === 'number') {
			return encode_range(cs.s, cs.e);
		}
		if (typeof cs !== 'string') cs = encode_cell((cs));
		if (typeof ce !== 'string') ce = encode_cell((ce));
		return cs == ce ? cs : cs + ":" + ce;
	}
	function fix_range(a1) {
		var s = decode_range(a1);
		return "$" + encode_col(s.s.c) + "$" + encode_row(s.s.r) + ":$" + encode_col(s.e.c) + "$" + encode_row(s.e.r);
	}

	// List of invalid characters needs to be tested further
	function formula_quote_sheet_name(sname, opts) {
		if (!sname && !(opts && opts.biff <= 5 && opts.biff >= 2)) throw new Error("empty sheet name");
		if (/[^\w\u4E00-\u9FFF\u3040-\u30FF]/.test(sname)) return "'" + sname.replace(/'/g, "''") + "'";
		return sname;
	}

	function safe_decode_range(range) {
		var o = { s: { c: 0, r: 0 }, e: { c: 0, r: 0 } };
		var idx = 0, i = 0, cc = 0;
		var len = range.length;
		for (idx = 0; i < len; ++i) {
			if ((cc = range.charCodeAt(i) - 64) < 1 || cc > 26) break;
			idx = 26 * idx + cc;
		}
		o.s.c = --idx;

		for (idx = 0; i < len; ++i) {
			if ((cc = range.charCodeAt(i) - 48) < 0 || cc > 9) break;
			idx = 10 * idx + cc;
		}
		o.s.r = --idx;

		if (i === len || cc != 10) { o.e.c = o.s.c; o.e.r = o.s.r; return o; }
		++i;

		for (idx = 0; i != len; ++i) {
			if ((cc = range.charCodeAt(i) - 64) < 1 || cc > 26) break;
			idx = 26 * idx + cc;
		}
		o.e.c = --idx;

		for (idx = 0; i != len; ++i) {
			if ((cc = range.charCodeAt(i) - 48) < 0 || cc > 9) break;
			idx = 10 * idx + cc;
		}
		o.e.r = --idx;
		return o;
	}

	function safe_format_cell(cell, v) {
		var q = (cell.t == 'd' && v instanceof Date);
		if (cell.z != null) try { return (cell.w = SSF_format(cell.z, q ? datenum(v) : v)); } catch (e) { }
		try { return (cell.w = SSF_format((cell.XF || {}).numFmtId || (q ? 14 : 0), q ? datenum(v) : v)); } catch (e) { return '' + v; }
	}

	function format_cell(cell, v, o) {
		if (cell == null || cell.t == null || cell.t == 'z') return "";
		if (cell.w !== undefined) return cell.w;
		if (cell.t == 'd' && !cell.z && o && o.dateNF) cell.z = o.dateNF;
		if (cell.t == "e") return BErr[cell.v] || cell.v;
		if (v == undefined) return safe_format_cell(cell, cell.v);
		return safe_format_cell(cell, v);
	}

	function sheet_to_workbook(sheet, opts) {
		var n = opts && opts.sheet ? opts.sheet : "Sheet1";
		var sheets = {}; sheets[n] = sheet;
		return { SheetNames: [n], Sheets: sheets };
	}

	function sheet_new(opts) {
		var out = {};
		var o = opts || {};
		if (o.dense) out["!data"] = [];
		return out;
	}

	function sheet_add_aoa(_ws, data, opts) {
		var o = opts || {};
		var dense = _ws ? (_ws["!data"] != null) : o.dense;
		if (DENSE != null && dense == null) dense = DENSE;
		var ws = _ws || (dense ? ({ "!data": [] }) : ({}));
		if (dense && !ws["!data"]) ws["!data"] = [];
		var _R = 0, _C = 0;
		if (ws && o.origin != null) {
			if (typeof o.origin == 'number') _R = o.origin;
			else {
				var _origin = typeof o.origin == "string" ? decode_cell(o.origin) : o.origin;
				_R = _origin.r; _C = _origin.c;
			}
		}
		var range = ({ s: { c: 10000000, r: 10000000 }, e: { c: 0, r: 0 } });
		if (ws["!ref"]) {
			var _range = safe_decode_range(ws['!ref']);
			range.s.c = _range.s.c;
			range.s.r = _range.s.r;
			range.e.c = Math.max(range.e.c, _range.e.c);
			range.e.r = Math.max(range.e.r, _range.e.r);
			if (_R == -1) range.e.r = _R = (ws["!ref"] ? _range.e.r + 1 : 0);
		} else {
			range.s.c = range.e.c = range.s.r = range.e.r = 0;
		}
		var row = [], seen = false;
		for (var R = 0; R != data.length; ++R) {
			if (!data[R]) continue;
			if (!Array.isArray(data[R])) throw new Error("aoa_to_sheet expects an array of arrays");
			var __R = _R + R;
			if (dense) {
				if (!ws["!data"][__R]) ws["!data"][__R] = [];
				row = ws["!data"][__R];
			}
			var data_R = data[R];
			for (var C = 0; C != data_R.length; ++C) {
				if (typeof data_R[C] === 'undefined') continue;
				var cell = ({ v: data_R[C], t: "" });
				var __C = _C + C;
				if (range.s.r > __R) range.s.r = __R;
				if (range.s.c > __C) range.s.c = __C;
				if (range.e.r < __R) range.e.r = __R;
				if (range.e.c < __C) range.e.c = __C;
				seen = true;
				if (data_R[C] && typeof data_R[C] === 'object' && !Array.isArray(data_R[C]) && !(data_R[C] instanceof Date)) cell = data_R[C];
				else {
					if (Array.isArray(cell.v)) { cell.f = data_R[C][1]; cell.v = cell.v[0]; }
					if (cell.v === null) {
						if (cell.f) cell.t = 'n';
						else if (o.nullError) { cell.t = 'e'; cell.v = 0; }
						else if (!o.sheetStubs) continue;
						else cell.t = 'z';
					}
					else if (typeof cell.v === 'number') {
						if (isFinite(cell.v)) cell.t = 'n';
						else if (isNaN(cell.v)) { cell.t = 'e'; cell.v = 0x0F; /* #VALUE! */ }
						else { cell.t = 'e'; cell.v = 0x07; }
					}
					else if (typeof cell.v === 'boolean') cell.t = 'b';
					else if (cell.v instanceof Date) {
						cell.z = o.dateNF || table_fmt[14];
						if (!o.UTC) cell.v = local_to_utc(cell.v);
						if (o.cellDates) { cell.t = 'd'; cell.w = SSF_format(cell.z, datenum(cell.v, o.date1904)); }
						else { cell.t = 'n'; cell.v = datenum(cell.v, o.date1904); cell.w = SSF_format(cell.z, cell.v); }
					}
					else cell.t = 's';
				}
				if (dense) {
					if (row[__C] && row[__C].z) cell.z = row[__C].z;
					row[__C] = cell;
				} else {
					var cell_ref = encode_col(__C) + (__R + 1);
					if (ws[cell_ref] && ws[cell_ref].z) cell.z = ws[cell_ref].z;
					ws[cell_ref] = cell;
				}
			}
		}
		if (seen && range.s.c < 10400000) ws['!ref'] = encode_range(range);
		return ws;
	}
	function aoa_to_sheet(data, opts) { return sheet_add_aoa(null, data, opts); }
	function parse_Int32LE(data) {
		return data.read_shift(4, 'i');
	}
	function write_UInt32LE(x, o) {
		if (!o) o = new_buf(4);
		o.write_shift(4, x);
		return o;
	}

	/* [MS-XLSB] 2.5.168 */
	function parse_XLWideString(data) {
		var cchCharacters = data.read_shift(4);
		return cchCharacters === 0 ? "" : data.read_shift(cchCharacters, 'dbcs');
	}
	function write_XLWideString(data, o) {
		var _null = false; if (o == null) { _null = true; o = new_buf(4 + 2 * data.length); }
		o.write_shift(4, data.length);
		if (data.length > 0) o.write_shift(0, data, 'dbcs');
		return _null ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.5.91 */
	//function parse_LPWideString(data) {
	//	var cchCharacters = data.read_shift(2);
	//	return cchCharacters === 0 ? "" : data.read_shift(cchCharacters, "utf16le");
	//}

	/* [MS-XLSB] 2.5.143 */
	function parse_StrRun(data) {
		return { ich: data.read_shift(2), ifnt: data.read_shift(2) };
	}
	function write_StrRun(run, o) {
		if (!o) o = new_buf(4);
		o.write_shift(2, run.ich || 0);
		o.write_shift(2, run.ifnt || 0);
		return o;
	}

	/* [MS-XLSB] 2.5.121 */
	function parse_RichStr(data, length) {
		var start = data.l;
		var flags = data.read_shift(1);
		var str = parse_XLWideString(data);
		var rgsStrRun = [];
		var z = ({ t: str, h: str });
		if ((flags & 1) !== 0) { /* fRichStr */
			/* TODO: formatted string */
			var dwSizeStrRun = data.read_shift(4);
			for (var i = 0; i != dwSizeStrRun; ++i) rgsStrRun.push(parse_StrRun(data));
			z.r = rgsStrRun;
		}
		else z.r = [{ ich: 0, ifnt: 0 }];
		//if((flags & 2) !== 0) { /* fExtStr */
		//	/* TODO: phonetic string */
		//}
		data.l = start + length;
		return z;
	}
	function write_RichStr(str, o) {
		/* TODO: formatted string */
		var _null = false; if (o == null) { _null = true; o = new_buf(15 + 4 * str.t.length); }
		o.write_shift(1, 0);
		write_XLWideString(str.t, o);
		return _null ? o.slice(0, o.l) : o;
	}
	/* [MS-XLSB] 2.4.328 BrtCommentText (RichStr w/1 run) */
	var parse_BrtCommentText = parse_RichStr;
	function write_BrtCommentText(str, o) {
		/* TODO: formatted string */
		var _null = false; if (o == null) { _null = true; o = new_buf(23 + 4 * str.t.length); }
		o.write_shift(1, 1);
		write_XLWideString(str.t, o);
		o.write_shift(4, 1);
		write_StrRun({ ich: 0, ifnt: 0 }, o);
		return _null ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.5.9 */
	function parse_XLSBCell(data) {
		var col = data.read_shift(4);
		var iStyleRef = data.read_shift(2);
		iStyleRef += data.read_shift(1) << 16;
		data.l++; //var fPhShow = data.read_shift(1);
		return { c: col, iStyleRef: iStyleRef };
	}
	function write_XLSBCell(cell, o) {
		if (o == null) o = new_buf(8);
		o.write_shift(-4, cell.c);
		o.write_shift(3, cell.iStyleRef || cell.s);
		o.write_shift(1, 0); /* fPhShow */
		return o;
	}

	/* Short XLSB Cell does not include column */
	function parse_XLSBShortCell(data) {
		var iStyleRef = data.read_shift(2);
		iStyleRef += data.read_shift(1) << 16;
		data.l++; //var fPhShow = data.read_shift(1);
		return { c: -1, iStyleRef: iStyleRef };
	}
	function write_XLSBShortCell(cell, o) {
		if (o == null) o = new_buf(4);
		o.write_shift(3, cell.iStyleRef || cell.s);
		o.write_shift(1, 0); /* fPhShow */
		return o;
	}

	/* [MS-XLSB] 2.5.21 */
	var parse_XLSBCodeName = parse_XLWideString;
	var write_XLSBCodeName = write_XLWideString;

	/* [MS-XLSB] 2.5.166 */
	function parse_XLNullableWideString(data) {
		var cchCharacters = data.read_shift(4);
		return cchCharacters === 0 || cchCharacters === 0xFFFFFFFF ? "" : data.read_shift(cchCharacters, 'dbcs');
	}
	function write_XLNullableWideString(data, o) {
		var _null = false; if (o == null) { _null = true; o = new_buf(127); }
		o.write_shift(4, data.length > 0 ? data.length : 0xFFFFFFFF);
		if (data.length > 0) o.write_shift(0, data, 'dbcs');
		return _null ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.5.165 */
	var parse_XLNameWideString = parse_XLWideString;
	//var write_XLNameWideString = write_XLWideString;

	/* [MS-XLSB] 2.5.114 */
	var parse_RelID = parse_XLNullableWideString;
	var write_RelID = write_XLNullableWideString;


	/* [MS-XLS] 2.5.217 ; [MS-XLSB] 2.5.122 */
	function parse_RkNumber(data) {
		var b = data.slice(data.l, data.l + 4);
		var fX100 = (b[0] & 1), fInt = (b[0] & 2);
		data.l += 4;
		var RK = fInt === 0 ? __double([0, 0, 0, 0, (b[0] & 0xFC), b[1], b[2], b[3]], 0) : __readInt32LE(b, 0) >> 2;
		return fX100 ? (RK / 100) : RK;
	}
	function write_RkNumber(data, o) {
		if (o == null) o = new_buf(4);
		var fX100 = 0, fInt = 0, d100 = data * 100;
		if ((data == (data | 0)) && (data >= -(1 << 29)) && (data < (1 << 29))) { fInt = 1; }
		else if ((d100 == (d100 | 0)) && (d100 >= -(1 << 29)) && (d100 < (1 << 29))) { fInt = 1; fX100 = 1; }
		if (fInt) o.write_shift(-4, ((fX100 ? d100 : data) << 2) + (fX100 + 2));
		else throw new Error("unsupported RkNumber " + data); // TODO
	}


	/* [MS-XLSB] 2.5.117 RfX */
	function parse_RfX(data) {
		var cell = ({ s: {}, e: {} });
		cell.s.r = data.read_shift(4);
		cell.e.r = data.read_shift(4);
		cell.s.c = data.read_shift(4);
		cell.e.c = data.read_shift(4);
		return cell;
	}
	function write_RfX(r, o) {
		if (!o) o = new_buf(16);
		o.write_shift(4, r.s.r);
		o.write_shift(4, r.e.r);
		o.write_shift(4, r.s.c);
		o.write_shift(4, r.e.c);
		return o;
	}

	/* [MS-XLSB] 2.5.153 UncheckedRfX */
	var parse_UncheckedRfX = parse_RfX;
	var write_UncheckedRfX = write_RfX;

	/* [MS-XLSB] 2.5.155 UncheckedSqRfX */
	//function parse_UncheckedSqRfX(data) {
	//	var cnt = data.read_shift(4);
	//	var out = [];
	//	for(var i = 0; i < cnt; ++i) {
	//		var rng = parse_UncheckedRfX(data);
	//		out.push(encode_range(rng));
	//	}
	//	return out.join(",");
	//}
	//function write_UncheckedSqRfX(sqrfx) {
	//	var parts = sqrfx.split(/\s*,\s*/);
	//	var o = new_buf(4); o.write_shift(4, parts.length);
	//	var out = [o];
	//	parts.forEach(function(rng) {
	//		out.push(write_UncheckedRfX(safe_decode_range(rng)));
	//	});
	//	return bconcat(out);
	//}

	/* [MS-XLS] 2.5.342 ; [MS-XLSB] 2.5.171 */
	/* TODO: error checking, NaN and Infinity values are not valid Xnum */
	function parse_Xnum(data) {
		if (data.length - data.l < 8) throw "XLS Xnum Buffer underflow";
		return data.read_shift(8, 'f');
	}
	function write_Xnum(data, o) { return (o || new_buf(8)).write_shift(8, data, 'f'); }

	/* [MS-XLSB] 2.4.324 BrtColor */
	function parse_BrtColor(data) {
		var out = {};
		var d = data.read_shift(1);

		//var fValidRGB = d & 1;
		var xColorType = d >>> 1;

		var index = data.read_shift(1);
		var nTS = data.read_shift(2, 'i');
		var bR = data.read_shift(1);
		var bG = data.read_shift(1);
		var bB = data.read_shift(1);
		data.l++; //var bAlpha = data.read_shift(1);

		switch (xColorType) {
			case 0: out.auto = 1; break;
			case 1:
				out.index = index;
				var icv = XLSIcv[index];
				/* automatic pseudo index 81 */
				if (icv) out.rgb = rgb2Hex(icv);
				break;
			case 2:
				/* if(!fValidRGB) throw new Error("invalid"); */
				out.rgb = rgb2Hex([bR, bG, bB]);
				break;
			case 3: out.theme = index; break;
		}
		if (nTS != 0) out.tint = nTS > 0 ? nTS / 32767 : nTS / 32768;

		return out;
	}
	function write_BrtColor(color, o) {
		if (!o) o = new_buf(8);
		if (!color || color.auto) { o.write_shift(4, 0); o.write_shift(4, 0); return o; }
		if (color.index != null) {
			o.write_shift(1, 0x02);
			o.write_shift(1, color.index);
		} else if (color.theme != null) {
			o.write_shift(1, 0x06);
			o.write_shift(1, color.theme);
		} else {
			o.write_shift(1, 0x05);
			o.write_shift(1, 0);
		}
		var nTS = color.tint || 0;
		if (nTS > 0) nTS *= 32767;
		else if (nTS < 0) nTS *= 32768;
		o.write_shift(2, nTS);
		if (!color.rgb || color.theme != null) {
			o.write_shift(2, 0);
			o.write_shift(1, 0);
			o.write_shift(1, 0);
		} else {
			var rgb = (color.rgb || 'FFFFFF');
			if (typeof rgb == 'number') rgb = ("000000" + rgb.toString(16)).slice(-6);
			o.write_shift(1, parseInt(rgb.slice(0, 2), 16));
			o.write_shift(1, parseInt(rgb.slice(2, 4), 16));
			o.write_shift(1, parseInt(rgb.slice(4, 6), 16));
			o.write_shift(1, 0xFF);
		}
		return o;
	}

	/* [MS-XLSB] 2.5.52 */
	function parse_FontFlags(data) {
		var d = data.read_shift(1);
		data.l++;
		var out = {
			fBold: d & 0x01,
			fItalic: d & 0x02,
			fUnderline: d & 0x04,
			fStrikeout: d & 0x08,
			fOutline: d & 0x10,
			fShadow: d & 0x20,
			fCondense: d & 0x40,
			fExtend: d & 0x80
		};
		return out;
	}
	function write_FontFlags(font, o) {
		if (!o) o = new_buf(2);
		var grbit =
			(font.italic ? 0x02 : 0) |
			(font.strike ? 0x08 : 0) |
			(font.outline ? 0x10 : 0) |
			(font.shadow ? 0x20 : 0) |
			(font.condense ? 0x40 : 0) |
			(font.extend ? 0x80 : 0);
		o.write_shift(1, grbit);
		o.write_shift(1, 0);
		return o;
	}

	/* [MS-OLEDS] 2.3.1 and 2.3.2 */
	function parse_ClipboardFormatOrString(o, w) {
		// $FlowIgnore
		var ClipFmt = { 2: "BITMAP", 3: "METAFILEPICT", 8: "DIB", 14: "ENHMETAFILE" };
		var m = o.read_shift(4);
		switch (m) {
			case 0x00000000: return "";
			case 0xffffffff: case 0xfffffffe: return ClipFmt[o.read_shift(4)] || "";
		}
		if (m > 0x190) throw new Error("Unsupported Clipboard: " + m.toString(16));
		o.l -= 4;
		return o.read_shift(0, w == 1 ? "lpstr" : "lpwstr");
	}
	function parse_ClipboardFormatOrAnsiString(o) { return parse_ClipboardFormatOrString(o, 1); }
	function parse_ClipboardFormatOrUnicodeString(o) { return parse_ClipboardFormatOrString(o, 2); }

	/* [MS-OLEPS] 2.2 PropertyType */
	// Note: some tree shakers cannot handle VT_VECTOR | $CONST, hence extra vars
	//var VT_EMPTY    = 0x0000;
	//var VT_NULL     = 0x0001;
	var VT_I2 = 0x0002;
	var VT_I4 = 0x0003;
	//var VT_R4       = 0x0004;
	//var VT_R8       = 0x0005;
	//var VT_CY       = 0x0006;
	//var VT_DATE     = 0x0007;
	//var VT_BSTR     = 0x0008;
	//var VT_ERROR    = 0x000A;
	var VT_BOOL = 0x000B;
	var VT_VARIANT = 0x000C;
	//var VT_DECIMAL  = 0x000E;
	//var VT_I1       = 0x0010;
	//var VT_UI1      = 0x0011;
	//var VT_UI2      = 0x0012;
	var VT_UI4 = 0x0013;
	//var VT_I8       = 0x0014;
	//var VT_UI8      = 0x0015;
	//var VT_INT      = 0x0016;
	//var VT_UINT     = 0x0017;
	//var VT_LPSTR    = 0x001E;
	//var VT_LPWSTR   = 0x001F;
	var VT_FILETIME = 0x0040;
	var VT_BLOB = 0x0041;
	//var VT_STREAM   = 0x0042;
	//var VT_STORAGE  = 0x0043;
	//var VT_STREAMED_Object  = 0x0044;
	//var VT_STORED_Object    = 0x0045;
	//var VT_BLOB_Object      = 0x0046;
	var VT_CF = 0x0047;
	//var VT_CLSID    = 0x0048;
	//var VT_VERSIONED_STREAM = 0x0049;
	//var VT_VECTOR   = 0x1000;
	var VT_VECTOR_VARIANT = 0x100C;
	var VT_VECTOR_LPSTR = 0x101E;
	//var VT_ARRAY    = 0x2000;

	var VT_STRING = 0x0050; // 2.3.3.1.11 VtString
	var VT_USTR = 0x0051; // 2.3.3.1.12 VtUnalignedString
	var VT_CUSTOM = [VT_STRING, VT_USTR];

	/* [MS-OSHARED] 2.3.3.2.2.1 Document Summary Information PIDDSI */
	var DocSummaryPIDDSI = {
		0x01: { n: 'CodePage', t: VT_I2 },
		0x02: { n: 'Category', t: VT_STRING },
		0x03: { n: 'PresentationFormat', t: VT_STRING },
		0x04: { n: 'ByteCount', t: VT_I4 },
		0x05: { n: 'LineCount', t: VT_I4 },
		0x06: { n: 'ParagraphCount', t: VT_I4 },
		0x07: { n: 'SlideCount', t: VT_I4 },
		0x08: { n: 'NoteCount', t: VT_I4 },
		0x09: { n: 'HiddenCount', t: VT_I4 },
		0x0a: { n: 'MultimediaClipCount', t: VT_I4 },
		0x0b: { n: 'ScaleCrop', t: VT_BOOL },
		0x0c: { n: 'HeadingPairs', t: VT_VECTOR_VARIANT /* VT_VECTOR | VT_VARIANT */ },
		0x0d: { n: 'TitlesOfParts', t: VT_VECTOR_LPSTR /* VT_VECTOR | VT_LPSTR */ },
		0x0e: { n: 'Manager', t: VT_STRING },
		0x0f: { n: 'Company', t: VT_STRING },
		0x10: { n: 'LinksUpToDate', t: VT_BOOL },
		0x11: { n: 'CharacterCount', t: VT_I4 },
		0x13: { n: 'SharedDoc', t: VT_BOOL },
		0x16: { n: 'HyperlinksChanged', t: VT_BOOL },
		0x17: { n: 'AppVersion', t: VT_I4, p: 'version' },
		0x18: { n: 'DigSig', t: VT_BLOB },
		0x1A: { n: 'ContentType', t: VT_STRING },
		0x1B: { n: 'ContentStatus', t: VT_STRING },
		0x1C: { n: 'Language', t: VT_STRING },
		0x1D: { n: 'Version', t: VT_STRING },
		0xFF: {},
		/* [MS-OLEPS] 2.18 */
		0x80000000: { n: 'Locale', t: VT_UI4 },
		0x80000003: { n: 'Behavior', t: VT_UI4 },
		0x72627262: {}
	};

	/* [MS-OSHARED] 2.3.3.2.1.1 Summary Information Property Set PIDSI */
	var SummaryPIDSI = {
		0x01: { n: 'CodePage', t: VT_I2 },
		0x02: { n: 'Title', t: VT_STRING },
		0x03: { n: 'Subject', t: VT_STRING },
		0x04: { n: 'Author', t: VT_STRING },
		0x05: { n: 'Keywords', t: VT_STRING },
		0x06: { n: 'Comments', t: VT_STRING },
		0x07: { n: 'Template', t: VT_STRING },
		0x08: { n: 'LastAuthor', t: VT_STRING },
		0x09: { n: 'RevNumber', t: VT_STRING },
		0x0A: { n: 'EditTime', t: VT_FILETIME },
		0x0B: { n: 'LastPrinted', t: VT_FILETIME },
		0x0C: { n: 'CreatedDate', t: VT_FILETIME },
		0x0D: { n: 'ModifiedDate', t: VT_FILETIME },
		0x0E: { n: 'PageCount', t: VT_I4 },
		0x0F: { n: 'WordCount', t: VT_I4 },
		0x10: { n: 'CharCount', t: VT_I4 },
		0x11: { n: 'Thumbnail', t: VT_CF },
		0x12: { n: 'Application', t: VT_STRING },
		0x13: { n: 'DocSecurity', t: VT_I4 },
		0xFF: {},
		/* [MS-OLEPS] 2.18 */
		0x80000000: { n: 'Locale', t: VT_UI4 },
		0x80000003: { n: 'Behavior', t: VT_UI4 },
		0x72627262: {}
	};

	/* [MS-XLS] 2.4.63 Country/Region codes */
	var CountryEnum = {
		0x0001: "US", // United States
		0x0002: "CA", // Canada
		0x0003: "", // Latin America (except Brazil)
		0x0007: "RU", // Russia
		0x0014: "EG", // Egypt
		0x001E: "GR", // Greece
		0x001F: "NL", // Netherlands
		0x0020: "BE", // Belgium
		0x0021: "FR", // France
		0x0022: "ES", // Spain
		0x0024: "HU", // Hungary
		0x0027: "IT", // Italy
		0x0029: "CH", // Switzerland
		0x002B: "AT", // Austria
		0x002C: "GB", // United Kingdom
		0x002D: "DK", // Denmark
		0x002E: "SE", // Sweden
		0x002F: "NO", // Norway
		0x0030: "PL", // Poland
		0x0031: "DE", // Germany
		0x0034: "MX", // Mexico
		0x0037: "BR", // Brazil
		0x003d: "AU", // Australia
		0x0040: "NZ", // New Zealand
		0x0042: "TH", // Thailand
		0x0051: "JP", // Japan
		0x0052: "KR", // Korea
		0x0054: "VN", // Viet Nam
		0x0056: "CN", // China
		0x005A: "TR", // Turkey
		0x0069: "JS", // Ramastan
		0x00D5: "DZ", // Algeria
		0x00D8: "MA", // Morocco
		0x00DA: "LY", // Libya
		0x015F: "PT", // Portugal
		0x0162: "IS", // Iceland
		0x0166: "FI", // Finland
		0x01A4: "CZ", // Czech Republic
		0x0376: "TW", // Taiwan
		0x03C1: "LB", // Lebanon
		0x03C2: "JO", // Jordan
		0x03C3: "SY", // Syria
		0x03C4: "IQ", // Iraq
		0x03C5: "KW", // Kuwait
		0x03C6: "SA", // Saudi Arabia
		0x03CB: "AE", // United Arab Emirates
		0x03CC: "IL", // Israel
		0x03CE: "QA", // Qatar
		0x03D5: "IR", // Iran
		0xFFFF: "US"  // United States
	};

	/* [MS-XLS] 2.5.127 */
	var XLSFillPattern = [
		null,
		'solid',
		'mediumGray',
		'darkGray',
		'lightGray',
		'darkHorizontal',
		'darkVertical',
		'darkDown',
		'darkUp',
		'darkGrid',
		'darkTrellis',
		'lightHorizontal',
		'lightVertical',
		'lightDown',
		'lightUp',
		'lightGrid',
		'lightTrellis',
		'gray125',
		'gray0625'
	];

	function rgbify(arr) { return arr.map(function (x) { return [(x >> 16) & 255, (x >> 8) & 255, x & 255]; }); }

	/* [MS-XLS] 2.5.161 */
	/* [MS-XLSB] 2.5.75 Icv */
	var _XLSIcv = rgbify([
		/* Color Constants */
		0x000000,
		0xFFFFFF,
		0xFF0000,
		0x00FF00,
		0x0000FF,
		0xFFFF00,
		0xFF00FF,
		0x00FFFF,

		/* Overridable Defaults */
		0x000000,
		0xFFFFFF,
		0xFF0000,
		0x00FF00,
		0x0000FF,
		0xFFFF00,
		0xFF00FF,
		0x00FFFF,

		0x800000,
		0x008000,
		0x000080,
		0x808000,
		0x800080,
		0x008080,
		0xC0C0C0,
		0x808080,
		0x9999FF,
		0x993366,
		0xFFFFCC,
		0xCCFFFF,
		0x660066,
		0xFF8080,
		0x0066CC,
		0xCCCCFF,

		0x000080,
		0xFF00FF,
		0xFFFF00,
		0x00FFFF,
		0x800080,
		0x800000,
		0x008080,
		0x0000FF,
		0x00CCFF,
		0xCCFFFF,
		0xCCFFCC,
		0xFFFF99,
		0x99CCFF,
		0xFF99CC,
		0xCC99FF,
		0xFFCC99,

		0x3366FF,
		0x33CCCC,
		0x99CC00,
		0xFFCC00,
		0xFF9900,
		0xFF6600,
		0x666699,
		0x969696,
		0x003366,
		0x339966,
		0x003300,
		0x333300,
		0x993300,
		0x993366,
		0x333399,
		0x333333,

		/* Other entries to appease BIFF8/12 */
		0x000000, /* 0x40 icvForeground ?? */
		0xFFFFFF, /* 0x41 icvBackground ?? */
		0x000000, /* 0x42 icvFrame ?? */
		0x000000, /* 0x43 icv3D ?? */
		0x000000, /* 0x44 icv3DText ?? */
		0x000000, /* 0x45 icv3DHilite ?? */
		0x000000, /* 0x46 icv3DShadow ?? */
		0x000000, /* 0x47 icvHilite ?? */
		0x000000, /* 0x48 icvCtlText ?? */
		0x000000, /* 0x49 icvCtlScrl ?? */
		0x000000, /* 0x4A icvCtlInv ?? */
		0x000000, /* 0x4B icvCtlBody ?? */
		0x000000, /* 0x4C icvCtlFrame ?? */
		0x000000, /* 0x4D icvCtlFore ?? */
		0x000000, /* 0x4E icvCtlBack ?? */
		0x000000, /* 0x4F icvCtlNeutral */
		0x000000, /* 0x50 icvInfoBk ?? */
		0x000000 /* 0x51 icvInfoText ?? */
	]);
	var XLSIcv = dup(_XLSIcv);

	/* [MS-XLSB] 2.5.97.2 */
	var BErr = {
		0x00: "#NULL!",
		0x07: "#DIV/0!",
		0x0F: "#VALUE!",
		0x17: "#REF!",
		0x1D: "#NAME?",
		0x24: "#NUM!",
		0x2A: "#N/A",
		0x2B: "#GETTING_DATA",
		0xFF: "#WTF?"
	};
	//var RBErr = evert_num(BErr);
	var RBErr = {
		"#NULL!": 0x00,
		"#DIV/0!": 0x07,
		"#VALUE!": 0x0F,
		"#REF!": 0x17,
		"#NAME?": 0x1D,
		"#NUM!": 0x24,
		"#N/A": 0x2A,
		"#GETTING_DATA": 0x2B,
		"#WTF?": 0xFF
	};

	var XLSLblBuiltIn = [
		"_xlnm.Consolidate_Area",
		"_xlnm.Auto_Open",
		"_xlnm.Auto_Close",
		"_xlnm.Extract",
		"_xlnm.Database",
		"_xlnm.Criteria",
		"_xlnm.Print_Area",
		"_xlnm.Print_Titles",
		"_xlnm.Recorder",
		"_xlnm.Data_Form",
		"_xlnm.Auto_Activate",
		"_xlnm.Auto_Deactivate",
		"_xlnm.Sheet_Title",
		"_xlnm._FilterDatabase"
	];

	/* Parts enumerated in OPC spec, MS-XLSB and MS-XLSX */
	/* 12.3 Part Summary <SpreadsheetML> */
	/* 14.2 Part Summary <DrawingML> */
	/* [MS-XLSX] 2.1 Part Enumerations ; [MS-XLSB] 2.1.7 Part Enumeration */
	var ct2type/*{[string]:string}*/ = ({
		/* Workbook */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml": "workbooks",
		"application/vnd.ms-excel.sheet.macroEnabled.main+xml": "workbooks",
		"application/vnd.ms-excel.sheet.binary.macroEnabled.main": "workbooks",
		"application/vnd.ms-excel.addin.macroEnabled.main+xml": "workbooks",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.template.main+xml": "workbooks",

		/* Worksheet */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml": "sheets",
		"application/vnd.ms-excel.worksheet": "sheets",
		"application/vnd.ms-excel.binIndexWs": "TODO", /* Binary Index */

		/* Chartsheet */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.chartsheet+xml": "charts",
		"application/vnd.ms-excel.chartsheet": "charts",

		/* Macrosheet */
		"application/vnd.ms-excel.macrosheet+xml": "macros",
		"application/vnd.ms-excel.macrosheet": "macros",
		"application/vnd.ms-excel.intlmacrosheet": "TODO",
		"application/vnd.ms-excel.binIndexMs": "TODO", /* Binary Index */

		/* Dialogsheet */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.dialogsheet+xml": "dialogs",
		"application/vnd.ms-excel.dialogsheet": "dialogs",

		/* Shared Strings */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml": "strs",
		"application/vnd.ms-excel.sharedStrings": "strs",

		/* Styles */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml": "styles",
		"application/vnd.ms-excel.styles": "styles",

		/* File Properties */
		"application/vnd.openxmlformats-package.core-properties+xml": "coreprops",
		"application/vnd.openxmlformats-officedocument.custom-properties+xml": "custprops",
		"application/vnd.openxmlformats-officedocument.extended-properties+xml": "extprops",

		/* Custom Data Properties */
		"application/vnd.openxmlformats-officedocument.customXmlProperties+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.customProperty": "TODO",

		/* Comments */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml": "comments",
		"application/vnd.ms-excel.comments": "comments",
		"application/vnd.ms-excel.threadedcomments+xml": "threadedcomments",
		"application/vnd.ms-excel.person+xml": "people",

		/* Metadata (Stock/Geography and Dynamic Array) */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.sheetMetadata+xml": "metadata",
		"application/vnd.ms-excel.sheetMetadata": "metadata",

		/* PivotTable */
		"application/vnd.ms-excel.pivotTable": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.pivotTable+xml": "TODO",

		/* Chart Objects */
		"application/vnd.openxmlformats-officedocument.drawingml.chart+xml": "TODO",

		/* Chart Colors */
		"application/vnd.ms-office.chartcolorstyle+xml": "TODO",

		/* Chart Style */
		"application/vnd.ms-office.chartstyle+xml": "TODO",

		/* Chart Advanced */
		"application/vnd.ms-office.chartex+xml": "TODO",

		/* Calculation Chain */
		"application/vnd.ms-excel.calcChain": "calcchains",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.calcChain+xml": "calcchains",

		/* Printer Settings */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.printerSettings": "TODO",

		/* ActiveX */
		"application/vnd.ms-office.activeX": "TODO",
		"application/vnd.ms-office.activeX+xml": "TODO",

		/* Custom Toolbars */
		"application/vnd.ms-excel.attachedToolbars": "TODO",

		/* External Data Connections */
		"application/vnd.ms-excel.connections": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.connections+xml": "TODO",

		/* External Links */
		"application/vnd.ms-excel.externalLink": "links",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.externalLink+xml": "links",

		/* PivotCache */
		"application/vnd.ms-excel.pivotCacheDefinition": "TODO",
		"application/vnd.ms-excel.pivotCacheRecords": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.pivotCacheDefinition+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.pivotCacheRecords+xml": "TODO",

		/* Query Table */
		"application/vnd.ms-excel.queryTable": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.queryTable+xml": "TODO",

		/* Shared Workbook */
		"application/vnd.ms-excel.userNames": "TODO",
		"application/vnd.ms-excel.revisionHeaders": "TODO",
		"application/vnd.ms-excel.revisionLog": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.revisionHeaders+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.revisionLog+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.userNames+xml": "TODO",

		/* Single Cell Table */
		"application/vnd.ms-excel.tableSingleCells": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.tableSingleCells+xml": "TODO",

		/* Slicer */
		"application/vnd.ms-excel.slicer": "TODO",
		"application/vnd.ms-excel.slicerCache": "TODO",
		"application/vnd.ms-excel.slicer+xml": "TODO",
		"application/vnd.ms-excel.slicerCache+xml": "TODO",

		/* Sort Map */
		"application/vnd.ms-excel.wsSortMap": "TODO",

		/* Table */
		"application/vnd.ms-excel.table": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.table+xml": "TODO",

		/* Themes */
		"application/vnd.openxmlformats-officedocument.theme+xml": "themes",

		/* Theme Override */
		"application/vnd.openxmlformats-officedocument.themeOverride+xml": "TODO",

		/* Timeline */
		"application/vnd.ms-excel.Timeline+xml": "TODO", /* verify */
		"application/vnd.ms-excel.TimelineCache+xml": "TODO", /* verify */

		/* VBA */
		"application/vnd.ms-office.vbaProject": "vba",
		"application/vnd.ms-office.vbaProjectSignature": "TODO",

		/* Volatile Dependencies */
		"application/vnd.ms-office.volatileDependencies": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.volatileDependencies+xml": "TODO",

		/* Control Properties */
		"application/vnd.ms-excel.controlproperties+xml": "TODO",

		/* Data Model */
		"application/vnd.openxmlformats-officedocument.model+data": "TODO",

		/* Survey */
		"application/vnd.ms-excel.Survey+xml": "TODO",

		/* Drawing */
		"application/vnd.openxmlformats-officedocument.drawing+xml": "drawings",
		"application/vnd.openxmlformats-officedocument.drawingml.chartshapes+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramColors+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramData+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramLayout+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramStyle+xml": "TODO",

		/* VML */
		"application/vnd.openxmlformats-officedocument.vmlDrawing": "TODO",

		"application/vnd.openxmlformats-package.relationships+xml": "rels",
		"application/vnd.openxmlformats-officedocument.oleObject": "TODO",

		/* Image */
		"image/png": "TODO",

		"sheet": "js"
	});

	var CT_LIST = {
		workbooks: {
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml",
			xlsm: "application/vnd.ms-excel.sheet.macroEnabled.main+xml",
			xlsb: "application/vnd.ms-excel.sheet.binary.macroEnabled.main",
			xlam: "application/vnd.ms-excel.addin.macroEnabled.main+xml",
			xltx: "application/vnd.openxmlformats-officedocument.spreadsheetml.template.main+xml"
		},
		strs: { /* Shared Strings */
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml",
			xlsb: "application/vnd.ms-excel.sharedStrings"
		},
		comments: { /* Comments */
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml",
			xlsb: "application/vnd.ms-excel.comments"
		},
		sheets: { /* Worksheet */
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml",
			xlsb: "application/vnd.ms-excel.worksheet"
		},
		charts: { /* Chartsheet */
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.chartsheet+xml",
			xlsb: "application/vnd.ms-excel.chartsheet"
		},
		dialogs: { /* Dialogsheet */
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.dialogsheet+xml",
			xlsb: "application/vnd.ms-excel.dialogsheet"
		},
		macros: { /* Macrosheet (Excel 4.0 Macros) */
			xlsx: "application/vnd.ms-excel.macrosheet+xml",
			xlsb: "application/vnd.ms-excel.macrosheet"
		},
		metadata: { /* Metadata (Stock/Geography and Dynamic Array) */
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheetMetadata+xml",
			xlsb: "application/vnd.ms-excel.sheetMetadata"
		},
		styles: { /* Styles */
			xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml",
			xlsb: "application/vnd.ms-excel.styles"
		}
	};

	function new_ct() {
		return ({
			workbooks: [], sheets: [], charts: [], dialogs: [], macros: [],
			rels: [], strs: [], comments: [], threadedcomments: [], links: [],
			coreprops: [], extprops: [], custprops: [], themes: [], styles: [],
			calcchains: [], vba: [], drawings: [], metadata: [], people: [],
			TODO: [], xmlns: ""
		});
	}

	function parse_ct(data) {
		var ct = new_ct();
		if (!data || !data.match) return ct;
		var ctext = {};
		(data.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (y[0].replace(nsregex, "<")) {
				case '<?xml': break;
				case '<Types': ct.xmlns = y['xmlns' + (y[0].match(/<(\w+):/) || ["", ""])[1]]; break;
				case '<Default': ctext[y.Extension.toLowerCase()] = y.ContentType; break;
				case '<Override':
					if (ct[ct2type[y.ContentType]] !== undefined) ct[ct2type[y.ContentType]].push(y.PartName);
					break;
			}
		});
		if (ct.xmlns !== XMLNS.CT) throw new Error("Unknown Namespace: " + ct.xmlns);
		ct.calcchain = ct.calcchains.length > 0 ? ct.calcchains[0] : "";
		ct.sst = ct.strs.length > 0 ? ct.strs[0] : "";
		ct.style = ct.styles.length > 0 ? ct.styles[0] : "";
		ct.defaults = ctext;
		delete ct.calcchains;
		return ct;
	}

	function write_ct(ct, opts, raw) {
		var type2ct/*{[string]:Array<string>}*/ = evert_arr(ct2type);

		var o = [], v;

		if (!raw) {
			o[o.length] = (XML_HEADER);
			o[o.length] = writextag('Types', null, {
				'xmlns': XMLNS.CT,
				'xmlns:xsd': XMLNS.xsd,
				'xmlns:xsi': XMLNS.xsi
			});
			o = o.concat([
				['xml', 'application/xml'],
				['bin', 'application/vnd.ms-excel.sheet.binary.macroEnabled.main'],
				['vml', 'application/vnd.openxmlformats-officedocument.vmlDrawing'],
				['data', 'application/vnd.openxmlformats-officedocument.model+data'],
				/* from test files */
				['bmp', 'image/bmp'],
				['png', 'image/png'],
				['gif', 'image/gif'],
				['emf', 'image/x-emf'],
				['wmf', 'image/x-wmf'],
				['jpg', 'image/jpeg'], ['jpeg', 'image/jpeg'],
				['tif', 'image/tiff'], ['tiff', 'image/tiff'],
				['pdf', 'application/pdf'],
				['rels', 'application/vnd.openxmlformats-package.relationships+xml']
			].map(function (x) {
				return writextag('Default', null, { 'Extension': x[0], 'ContentType': x[1] });
			}));
		}

		/* only write first instance */
		var f1 = function (w) {
			if (ct[w] && ct[w].length > 0) {
				v = ct[w][0];
				o[o.length] = (writextag('Override', null, {
					'PartName': (v[0] == '/' ? "" : "/") + v,
					'ContentType': CT_LIST[w][opts.bookType] || CT_LIST[w]['xlsx']
				}));
			}
		};

		/* book type-specific */
		var f2 = function (w) {
			(ct[w] || []).forEach(function (v) {
				o[o.length] = (writextag('Override', null, {
					'PartName': (v[0] == '/' ? "" : "/") + v,
					'ContentType': CT_LIST[w][opts.bookType] || CT_LIST[w]['xlsx']
				}));
			});
		};

		/* standard type */
		var f3 = function (t) {
			(ct[t] || []).forEach(function (v) {
				o[o.length] = (writextag('Override', null, {
					'PartName': (v[0] == '/' ? "" : "/") + v,
					'ContentType': type2ct[t][0]
				}));
			});
		};

		f1('workbooks');
		f2('sheets');
		f2('charts');
		f3('themes');
		['strs', 'styles'].forEach(f1);
		['coreprops', 'extprops', 'custprops'].forEach(f3);
		f3('vba');
		f3('comments');
		f3('threadedcomments');
		f3('drawings');
		f2('metadata');
		f3('people');
		if (!raw && o.length > 2) { o[o.length] = ('</Types>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* 9.3 Relationships */
	var RELS = ({
		WB: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
		SHEET: "http://sheetjs.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
		HLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink",
		VML: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing",
		XPATH: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLinkPath",
		XMISS: "http://schemas.microsoft.com/office/2006/relationships/xlExternalLinkPath/xlPathMissing",
		XLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLink",
		CXML: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXml",
		CXMLP: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXmlProps",
		CMNT: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments",
		CORE_PROPS: "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties",
		EXT_PROPS: 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties',
		CUST_PROPS: 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties',
		SST: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings",
		STY: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles",
		THEME: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme",
		CHART: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart",
		CHARTEX: "http://schemas.microsoft.com/office/2014/relationships/chartEx",
		CS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chartsheet",
		WS: [
			"http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet",
			"http://purl.oclc.org/ooxml/officeDocument/relationships/worksheet"
		],
		DS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/dialogsheet",
		MS: "http://schemas.microsoft.com/office/2006/relationships/xlMacrosheet",
		IMG: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image",
		DRAW: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing",
		XLMETA: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sheetMetadata",
		TCMNT: "http://schemas.microsoft.com/office/2017/10/relationships/threadedComment",
		PEOPLE: "http://schemas.microsoft.com/office/2017/10/relationships/person",
		CONN: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/connections",
		VBA: "http://schemas.microsoft.com/office/2006/relationships/vbaProject"
	});

	/* 9.3.3 Representing Relationships */
	function get_rels_path(file) {
		var n = file.lastIndexOf("/");
		return file.slice(0, n + 1) + '_rels/' + file.slice(n + 1) + ".rels";
	}

	function parse_rels(data, currentFilePath) {
		var rels = { "!id": {} };
		if (!data) return rels;
		if (currentFilePath.charAt(0) !== '/') {
			currentFilePath = '/' + currentFilePath;
		}
		var hash = {};

		(data.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			/* 9.3.2.2 OPC_Relationships */
			if (y[0] === '<Relationship') {
				var rel = {}; rel.Type = y.Type; rel.Target = unescapexml(y.Target); rel.Id = y.Id; if (y.TargetMode) rel.TargetMode = y.TargetMode;
				var canonictarget = y.TargetMode === 'External' ? y.Target : resolve_path(y.Target, currentFilePath);
				rels[canonictarget] = rel;
				hash[y.Id] = rel;
			}
		});
		rels["!id"] = hash;
		return rels;
	}


	/* TODO */
	function write_rels(rels) {
		var o = [XML_HEADER, writextag('Relationships', null, {
			//'xmlns:ns0': XMLNS.RELS,
			'xmlns': XMLNS.RELS
		})];
		keys(rels['!id']).forEach(function (rid) {
			o[o.length] = (writextag('Relationship', null, rels['!id'][rid]));
		});
		if (o.length > 2) { o[o.length] = ('</Relationships>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}

	function add_rels(rels, rId, f, type, relobj, targetmode) {
		if (!relobj) relobj = {};
		if (!rels['!id']) rels['!id'] = {};
		if (!rels['!idx']) rels['!idx'] = 1;
		if (rId < 0) for (rId = rels['!idx']; rels['!id']['rId' + rId]; ++rId) {/* empty */ }
		rels['!idx'] = rId + 1;
		relobj.Id = 'rId' + rId;
		relobj.Type = type;
		relobj.Target = f;
		if (targetmode) relobj.TargetMode = targetmode;
		else if ([RELS.HLINK, RELS.XPATH, RELS.XMISS].indexOf(relobj.Type) > -1) relobj.TargetMode = "External";
		if (rels['!id'][relobj.Id]) throw new Error("Cannot rewrite rId " + rId);
		rels['!id'][relobj.Id] = relobj;
		rels[('/' + relobj.Target).replace("//", "/")] = relobj;
		return rId;
	}
	var CT_ODS = "application/vnd.oasis.opendocument.spreadsheet";
	function parse_manifest(d, opts) {
		var str = xlml_normalize(d);
		var Rn;
		var FEtag;
		while (Rn = xlmlregex.exec(str))
			switch (Rn[3]) {
				case "manifest":
					break;
				case "file-entry":
					FEtag = parsexmltag(Rn[0], false);
					if (FEtag.path == "/" && FEtag.type !== CT_ODS)
						throw new Error("This OpenDocument is not a spreadsheet");
					break;
				case "encryption-data":
				case "algorithm":
				case "start-key-generation":
				case "key-derivation":
					throw new Error("Unsupported ODS Encryption");
				default:
					if (opts && opts.WTF)
						throw Rn;
			}
	}
	function write_manifest(manifest) {
		var o = [XML_HEADER];
		o.push('<manifest:manifest xmlns:manifest="urn:oasis:names:tc:opendocument:xmlns:manifest:1.0" manifest:version="1.2">\n');
		o.push('  <manifest:file-entry manifest:full-path="/" manifest:version="1.2" manifest:media-type="application/vnd.oasis.opendocument.spreadsheet"/>\n');
		for (var i = 0; i < manifest.length; ++i)
			o.push('  <manifest:file-entry manifest:full-path="' + manifest[i][0] + '" manifest:media-type="' + manifest[i][1] + '"/>\n');
		o.push("</manifest:manifest>");
		return o.join("");
	}
	function write_rdf_type(file, res, tag) {
		return [
			'  <rdf:Description rdf:about="' + file + '">\n',
			'    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/' + (tag || "odf") + "#" + res + '"/>\n',
			"  </rdf:Description>\n"
		].join("");
	}
	function write_rdf_has(base, file) {
		return [
			'  <rdf:Description rdf:about="' + base + '">\n',
			'    <ns0:hasPart xmlns:ns0="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#" rdf:resource="' + file + '"/>\n',
			"  </rdf:Description>\n"
		].join("");
	}
	function write_rdf(rdf) {
		var o = [XML_HEADER];
		o.push('<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">\n');
		for (var i = 0; i != rdf.length; ++i) {
			o.push(write_rdf_type(rdf[i][0], rdf[i][1]));
			o.push(write_rdf_has("", rdf[i][0]));
		}
		o.push(write_rdf_type("", "Document", "pkg"));
		o.push("</rdf:RDF>");
		return o.join("");
	}
	function write_meta_ods(wb, opts) {
		return '<office:document-meta xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xlink="http://www.w3.org/1999/xlink" office:version="1.2"><office:meta><meta:generator>SheetJS ' + XLSX.version + "</meta:generator></office:meta></office:document-meta>";
	}
	/* ECMA-376 Part II 11.1 Core Properties Part */
	/* [MS-OSHARED] 2.3.3.2.[1-2].1 (PIDSI/PIDDSI) */
	var CORE_PROPS = [
		["cp:category", "Category"],
		["cp:contentStatus", "ContentStatus"],
		["cp:keywords", "Keywords"],
		["cp:lastModifiedBy", "LastAuthor"],
		["cp:lastPrinted", "LastPrinted"],
		["cp:revision", "RevNumber"],
		["cp:version", "Version"],
		["dc:creator", "Author"],
		["dc:description", "Comments"],
		["dc:identifier", "Identifier"],
		["dc:language", "Language"],
		["dc:subject", "Subject"],
		["dc:title", "Title"],
		["dcterms:created", "CreatedDate", 'date'],
		["dcterms:modified", "ModifiedDate", 'date']
	];

	function parse_core_props(data) {
		var p = {};
		data = utf8read(data);

		for (var i = 0; i < CORE_PROPS.length; ++i) {
			var f = CORE_PROPS[i], cur = str_match_xml(data, f[0]);
			if (cur != null && cur.length > 0) p[f[1]] = unescapexml(cur[1]);
			if (f[2] === 'date' && p[f[1]]) p[f[1]] = parseDate(p[f[1]]);
		}

		return p;
	}

	function cp_doit(f, g, h, o, p) {
		if (p[f] != null || g == null || g === "") return;
		p[f] = g;
		g = escapexml(g);
		o[o.length] = (h ? writextag(f, g, h) : writetag(f, g));
	}

	function write_core_props(cp, _opts) {
		var opts = _opts || {};
		var o = [XML_HEADER, writextag('cp:coreProperties', null, {
			//'xmlns': XMLNS.CORE_PROPS,
			'xmlns:cp': XMLNS.CORE_PROPS,
			'xmlns:dc': XMLNS.dc,
			'xmlns:dcterms': XMLNS.dcterms,
			'xmlns:dcmitype': XMLNS.dcmitype,
			'xmlns:xsi': XMLNS.xsi
		})], p = {};
		if (!cp && !opts.Props) return o.join("");

		if (cp) {
			if (cp.CreatedDate != null) cp_doit("dcterms:created", typeof cp.CreatedDate === "string" ? cp.CreatedDate : write_w3cdtf(cp.CreatedDate, opts.WTF), { "xsi:type": "dcterms:W3CDTF" }, o, p);
			if (cp.ModifiedDate != null) cp_doit("dcterms:modified", typeof cp.ModifiedDate === "string" ? cp.ModifiedDate : write_w3cdtf(cp.ModifiedDate, opts.WTF), { "xsi:type": "dcterms:W3CDTF" }, o, p);
		}

		for (var i = 0; i != CORE_PROPS.length; ++i) {
			var f = CORE_PROPS[i];
			var v = opts.Props && opts.Props[f[1]] != null ? opts.Props[f[1]] : cp ? cp[f[1]] : null;
			if (v === true) v = "1";
			else if (v === false) v = "0";
			else if (typeof v == "number") v = String(v);
			if (v != null) cp_doit(f[0], v, null, o, p);
		}
		if (o.length > 2) { o[o.length] = ('</cp:coreProperties>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* 15.2.12.3 Extended File Properties Part */
	/* [MS-OSHARED] 2.3.3.2.[1-2].1 (PIDSI/PIDDSI) */
	var EXT_PROPS = [
		["Application", "Application", "string"],
		["AppVersion", "AppVersion", "string"],
		["Company", "Company", "string"],
		["DocSecurity", "DocSecurity", "string"],
		["Manager", "Manager", "string"],
		["HyperlinksChanged", "HyperlinksChanged", "bool"],
		["SharedDoc", "SharedDoc", "bool"],
		["LinksUpToDate", "LinksUpToDate", "bool"],
		["ScaleCrop", "ScaleCrop", "bool"],
		["HeadingPairs", "HeadingPairs", "raw"],
		["TitlesOfParts", "TitlesOfParts", "raw"]
	];

	var PseudoPropsPairs = [
		"Worksheets", "SheetNames",
		"NamedRanges", "DefinedNames",
		"Chartsheets", "ChartNames"
	];
	function load_props_pairs(HP, TOP, props, opts) {
		var v = [];
		if (typeof HP == "string") v = parseVector(HP, opts);
		else for (var j = 0; j < HP.length; ++j) v = v.concat(HP[j].map(function (hp) { return { v: hp }; }));
		var parts = (typeof TOP == "string") ? parseVector(TOP, opts).map(function (x) { return x.v; }) : TOP;
		var idx = 0, len = 0;
		if (parts.length > 0) for (var i = 0; i !== v.length; i += 2) {
			len = +(v[i + 1].v);
			switch (v[i].v) {
				case "Worksheets":
				case "工作表":
				case "Листы":
				case "أوراق العمل":
				case "ワークシート":
				case "גליונות עבודה":
				case "Arbeitsblätter":
				case "Çalışma Sayfaları":
				case "Feuilles de calcul":
				case "Fogli di lavoro":
				case "Folhas de cálculo":
				case "Planilhas":
				case "Regneark":
				case "Hojas de cálculo":
				case "Werkbladen":
					props.Worksheets = len;
					props.SheetNames = parts.slice(idx, idx + len);
					break;

				case "Named Ranges":
				case "Rangos con nombre":
				case "名前付き一覧":
				case "Benannte Bereiche":
				case "Navngivne områder":
					props.NamedRanges = len;
					props.DefinedNames = parts.slice(idx, idx + len);
					break;

				case "Charts":
				case "Diagramme":
					props.Chartsheets = len;
					props.ChartNames = parts.slice(idx, idx + len);
					break;
			}
			idx += len;
		}
	}

	function parse_ext_props(data, p, opts) {
		var q = {}; if (!p) p = {};
		data = utf8read(data);

		EXT_PROPS.forEach(function (f) {
			var xml = (str_match_xml_ns(data, f[0]) || [])[1];
			switch (f[2]) {
				case "string": if (xml) p[f[1]] = unescapexml(xml); break;
				case "bool": p[f[1]] = xml === "true"; break;
				case "raw":
					var cur = str_match_xml(data, f[0]);
					if (cur && cur.length > 0) q[f[1]] = cur[1];
					break;
			}
		});

		if (q.HeadingPairs && q.TitlesOfParts) load_props_pairs(q.HeadingPairs, q.TitlesOfParts, p, opts);

		return p;
	}

	function write_ext_props(cp) {
		var o = [], W = writextag;
		if (!cp) cp = {};
		cp.Application = "SheetJS";
		o[o.length] = (XML_HEADER);
		o[o.length] = (writextag('Properties', null, {
			'xmlns': XMLNS.EXT_PROPS,
			'xmlns:vt': XMLNS.vt
		}));

		EXT_PROPS.forEach(function (f) {
			if (cp[f[1]] === undefined) return;
			var v;
			switch (f[2]) {
				case 'string': v = escapexml(String(cp[f[1]])); break;
				case 'bool': v = cp[f[1]] ? 'true' : 'false'; break;
			}
			if (v !== undefined) o[o.length] = (W(f[0], v));
		});

		/* TODO: HeadingPairs, TitlesOfParts */
		o[o.length] = (W('HeadingPairs', W('vt:vector', W('vt:variant', '<vt:lpstr>Worksheets</vt:lpstr>') + W('vt:variant', W('vt:i4', String(cp.Worksheets))), { size: 2, baseType: "variant" })));
		o[o.length] = (W('TitlesOfParts', W('vt:vector', cp.SheetNames.map(function (s) { return "<vt:lpstr>" + escapexml(s) + "</vt:lpstr>"; }).join(""), { size: cp.Worksheets, baseType: "lpstr" })));
		if (o.length > 2) { o[o.length] = ('</Properties>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* 15.2.12.2 Custom File Properties Part */
	var custregex = /<[^<>]+>[^<]*/g;
	function parse_cust_props(data, opts) {
		var p = {}, name = "";
		var m = data.match(custregex);
		if (m) for (var i = 0; i != m.length; ++i) {
			var x = m[i], y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<?xml': break;
				case '<Properties': break;
				case '<property': name = unescapexml(y.name); break;
				case '</property>': name = null; break;
				default: if (x.indexOf('<vt:') === 0) {
					var toks = x.split('>');
					var type = toks[0].slice(4), text = toks[1];
					/* 22.4.2.32 (CT_Variant). Omit the binary types from 22.4 (Variant Types) */
					switch (type) {
						case 'lpstr': case 'bstr': case 'lpwstr':
							p[name] = unescapexml(text);
							break;
						case 'bool':
							p[name] = parsexmlbool(text);
							break;
						case 'i1': case 'i2': case 'i4': case 'i8': case 'int': case 'uint':
							p[name] = parseInt(text, 10);
							break;
						case 'r4': case 'r8': case 'decimal':
							p[name] = parseFloat(text);
							break;
						case 'filetime': case 'date':
							p[name] = parseDate(text);
							break;
						case 'cy': case 'error':
							p[name] = unescapexml(text);
							break;
						default:
							if (type.slice(-1) == '/') break;
							if (opts.WTF && typeof console !== 'undefined') console.warn('Unexpected', x, type, toks);
					}
				} else if (x.slice(0, 2) === "</") {/* empty */
				} else if (opts.WTF) throw new Error(x);
			}
		}
		return p;
	}

	function write_cust_props(cp) {
		var o = [XML_HEADER, writextag('Properties', null, {
			'xmlns': XMLNS.CUST_PROPS,
			'xmlns:vt': XMLNS.vt
		})];
		if (!cp) return o.join("");
		var pid = 1;
		keys(cp).forEach(function custprop(k) {
			++pid;
			o[o.length] = (writextag('property', write_vt(cp[k], true), {
				'fmtid': '{D5CDD505-2E9C-101B-9397-08002B2CF9AE}',
				'pid': pid,
				'name': escapexml(k)
			}));
		});
		if (o.length > 2) { o[o.length] = '</Properties>'; o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* Common Name -> XLML Name */
	var XLMLDocPropsMap = {
		Title: 'Title',
		Subject: 'Subject',
		Author: 'Author',
		Keywords: 'Keywords',
		Comments: 'Description',
		LastAuthor: 'LastAuthor',
		RevNumber: 'Revision',
		Application: 'AppName',
		/* TotalTime: 'TotalTime', */
		LastPrinted: 'LastPrinted',
		CreatedDate: 'Created',
		ModifiedDate: 'LastSaved',
		/* Pages */
		/* Words */
		/* Characters */
		Category: 'Category',
		/* PresentationFormat */
		Manager: 'Manager',
		Company: 'Company',
		/* Guid */
		/* HyperlinkBase */
		/* Bytes */
		/* Lines */
		/* Paragraphs */
		/* CharactersWithSpaces */
		AppVersion: 'Version',

		ContentStatus: 'ContentStatus', /* NOTE: missing from schema */
		Identifier: 'Identifier', /* NOTE: missing from schema */
		Language: 'Language' /* NOTE: missing from schema */
	};
	var evert_XLMLDPM;

	function xlml_set_prop(Props, tag, val) {
		if (!evert_XLMLDPM) evert_XLMLDPM = evert(XLMLDocPropsMap);
		tag = evert_XLMLDPM[tag] || tag;
		Props[tag] = val;
	}

	function xlml_write_docprops(Props, opts) {
		var o = [];
		keys(XLMLDocPropsMap).map(function (m) {
			for (var i = 0; i < CORE_PROPS.length; ++i) if (CORE_PROPS[i][1] == m) return CORE_PROPS[i];
			for (i = 0; i < EXT_PROPS.length; ++i) if (EXT_PROPS[i][1] == m) return EXT_PROPS[i];
			throw m;
		}).forEach(function (p) {
			if (Props[p[1]] == null) return;
			var m = opts && opts.Props && opts.Props[p[1]] != null ? opts.Props[p[1]] : Props[p[1]];
			switch (p[2]) {
				case 'date': m = new Date(m).toISOString().replace(/\.\d*Z/, "Z"); break;
			}
			if (typeof m == 'number') m = String(m);
			else if (m === true || m === false) { m = m ? "1" : "0"; }
			else if (m instanceof Date) m = new Date(m).toISOString().replace(/\.\d*Z/, "");
			o.push(writetag(XLMLDocPropsMap[p[1]] || p[1], m));
		});
		return writextag('DocumentProperties', o.join(""), { xmlns: XLMLNS.o });
	}
	function xlml_write_custprops(Props, Custprops) {
		var BLACKLIST = ["Worksheets", "SheetNames"];
		var T = 'CustomDocumentProperties';
		var o = [];
		if (Props) keys(Props).forEach(function (k) {
			if (!Object.prototype.hasOwnProperty.call(Props, k)) return;
			for (var i = 0; i < CORE_PROPS.length; ++i) if (k == CORE_PROPS[i][1]) return;
			for (i = 0; i < EXT_PROPS.length; ++i) if (k == EXT_PROPS[i][1]) return;
			for (i = 0; i < BLACKLIST.length; ++i) if (k == BLACKLIST[i]) return;

			var m = Props[k];
			var t = "string";
			if (typeof m == 'number') { t = "float"; m = String(m); }
			else if (m === true || m === false) { t = "boolean"; m = m ? "1" : "0"; }
			else m = String(m);
			o.push(writextag(escapexmltag(k), m, { "dt:dt": t }));
		});
		if (Custprops) keys(Custprops).forEach(function (k) {
			if (!Object.prototype.hasOwnProperty.call(Custprops, k)) return;
			if (Props && Object.prototype.hasOwnProperty.call(Props, k)) return;
			var m = Custprops[k];
			var t = "string";
			if (typeof m == 'number') { t = "float"; m = String(m); }
			else if (m === true || m === false) { t = "boolean"; m = m ? "1" : "0"; }
			else if (m instanceof Date) { t = "dateTime.tz"; m = m.toISOString(); }
			else m = String(m);
			o.push(writextag(escapexmltag(k), m, { "dt:dt": t }));
		});
		return '<' + T + ' xmlns="' + XLMLNS.o + '">' + o.join("") + '</' + T + '>';
	}
	/* [MS-DTYP] 2.3.3 FILETIME */
	/* [MS-OLEDS] 2.1.3 FILETIME (Packet Version) */
	/* [MS-OLEPS] 2.8 FILETIME (Packet Version) */
	function parse_FILETIME(blob) {
		var dwLowDateTime = blob.read_shift(4), dwHighDateTime = blob.read_shift(4);
		return new Date(((dwHighDateTime / 1e7 * Math.pow(2, 32) + dwLowDateTime / 1e7) - 11644473600) * 1000).toISOString().replace(/\.000/, "");
	}
	function write_FILETIME(time) {
		var date = (typeof time == "string") ? new Date(Date.parse(time)) : time;
		var t = date.getTime() / 1000 + 11644473600;
		var l = t % Math.pow(2, 32), h = (t - l) / Math.pow(2, 32);
		l *= 1e7; h *= 1e7;
		var w = (l / Math.pow(2, 32)) | 0;
		if (w > 0) { l = l % Math.pow(2, 32); h += w; }
		var o = new_buf(8); o.write_shift(4, l); o.write_shift(4, h); return o;
	}

	/* [MS-OSHARED] 2.3.3.1.4 Lpstr */
	function parse_lpstr(blob, type, pad) {
		var start = blob.l;
		var str = blob.read_shift(0, 'lpstr-cp');
		if (pad) while ((blob.l - start) & 3) ++blob.l;
		return str;
	}

	/* [MS-OSHARED] 2.3.3.1.6 Lpwstr */
	function parse_lpwstr(blob, type, pad) {
		var str = blob.read_shift(0, 'lpwstr');
		if (pad) blob.l += (4 - ((str.length + 1) & 3)) & 3;
		return str;
	}


	/* [MS-OSHARED] 2.3.3.1.11 VtString */
	/* [MS-OSHARED] 2.3.3.1.12 VtUnalignedString */
	function parse_VtStringBase(blob, stringType, pad) {
		if (stringType === 0x1F /*VT_LPWSTR*/) return parse_lpwstr(blob);
		return parse_lpstr(blob, stringType, pad);
	}

	function parse_VtString(blob, t, pad) { return parse_VtStringBase(blob, t, pad === false ? 0 : 4); }
	function parse_VtUnalignedString(blob, t) { if (!t) throw new Error("VtUnalignedString must have positive length"); return parse_VtStringBase(blob, t, 0); }

	/* [MS-OSHARED] 2.3.3.1.7 VtVecLpwstrValue */
	function parse_VtVecLpwstrValue(blob) {
		var length = blob.read_shift(4);
		var ret = [];
		for (var i = 0; i != length; ++i) {
			var start = blob.l;
			ret[i] = blob.read_shift(0, 'lpwstr').replace(chr0, '');
			if ((blob.l - start) & 0x02) blob.l += 2;
		}
		return ret;
	}

	/* [MS-OSHARED] 2.3.3.1.9 VtVecUnalignedLpstrValue */
	function parse_VtVecUnalignedLpstrValue(blob) {
		var length = blob.read_shift(4);
		var ret = [];
		for (var i = 0; i != length; ++i) ret[i] = blob.read_shift(0, 'lpstr-cp').replace(chr0, '');
		return ret;
	}


	/* [MS-OSHARED] 2.3.3.1.13 VtHeadingPair */
	function parse_VtHeadingPair(blob) {
		var start = blob.l;
		var headingString = parse_TypedPropertyValue(blob, VT_USTR);
		if (blob[blob.l] == 0x00 && blob[blob.l + 1] == 0x00 && ((blob.l - start) & 0x02)) blob.l += 2;
		var headerParts = parse_TypedPropertyValue(blob, VT_I4);
		return [headingString, headerParts];
	}

	/* [MS-OSHARED] 2.3.3.1.14 VtVecHeadingPairValue */
	function parse_VtVecHeadingPairValue(blob) {
		var cElements = blob.read_shift(4);
		var out = [];
		for (var i = 0; i < cElements / 2; ++i) out.push(parse_VtHeadingPair(blob));
		return out;
	}

	/* [MS-OLEPS] 2.18.1 Dictionary (uses 2.17, 2.16) */
	function parse_dictionary(blob, CodePage) {
		var cnt = blob.read_shift(4);
		var dict = ({});
		for (var j = 0; j != cnt; ++j) {
			var pid = blob.read_shift(4);
			var len = blob.read_shift(4);
			dict[pid] = blob.read_shift(len, (CodePage === 0x4B0 ? 'utf16le' : 'utf8')).replace(chr0, '').replace(chr1, '!');
			if (CodePage === 0x4B0 && (len % 2)) blob.l += 2;
		}
		if (blob.l & 3) blob.l = (blob.l >> 2 + 1) << 2;
		return dict;
	}

	/* [MS-OLEPS] 2.9 BLOB */
	function parse_BLOB(blob) {
		var size = blob.read_shift(4);
		var bytes = blob.slice(blob.l, blob.l + size);
		blob.l += size;
		if ((size & 3) > 0) blob.l += (4 - (size & 3)) & 3;
		return bytes;
	}

	/* [MS-OLEPS] 2.11 ClipboardData */
	function parse_ClipboardData(blob) {
		// TODO
		var o = {};
		o.Size = blob.read_shift(4);
		//o.Format = blob.read_shift(4);
		blob.l += o.Size + 3 - (o.Size - 1) % 4;
		return o;
	}

	/* [MS-OLEPS] 2.15 TypedPropertyValue */
	function parse_TypedPropertyValue(blob, type, _opts) {
		var t = blob.read_shift(2), ret, opts = _opts || {};
		blob.l += 2;
		if (type !== VT_VARIANT)
			if (t !== type && VT_CUSTOM.indexOf(type) === -1 && !((type & 0xFFFE) == 0x101E && (t & 0xFFFE) == 0x101E)) throw new Error('Expected type ' + type + ' saw ' + t);
		switch (type === VT_VARIANT ? t : type) {
			case 0x02 /*VT_I2*/: ret = blob.read_shift(2, 'i'); if (!opts.raw) blob.l += 2; return ret;
			case 0x03 /*VT_I4*/: ret = blob.read_shift(4, 'i'); return ret;
			case 0x0B /*VT_BOOL*/: return blob.read_shift(4) !== 0x0;
			case 0x13 /*VT_UI4*/: ret = blob.read_shift(4); return ret;
			case 0x1E /*VT_LPSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l - 4]).replace(/(^|[^\u0000])\u0000+$/, "$1"); break;
			case 0x1F /*VT_LPWSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l - 4]).replace(/(^|[^\u0000])\u0000+$/, "$1"); break;
			case 0x40 /*VT_FILETIME*/: return parse_FILETIME(blob);
			case 0x41 /*VT_BLOB*/: return parse_BLOB(blob);
			case 0x47 /*VT_CF*/: return parse_ClipboardData(blob);
			case 0x50 /*VT_STRING*/: return parse_VtString(blob, t, !opts.raw).replace(chr0, '');
			case 0x51 /*VT_USTR*/: return parse_VtUnalignedString(blob, t/*, 4*/).replace(chr0, '');
			case 0x100C /*VT_VECTOR|VT_VARIANT*/: return parse_VtVecHeadingPairValue(blob);
			case 0x101E /*VT_VECTOR|VT_LPSTR*/:
			case 0x101F /*VT_VECTOR|VT_LPWSTR*/:
				return t == 0x101F ? parse_VtVecLpwstrValue(blob) : parse_VtVecUnalignedLpstrValue(blob);
			default: throw new Error("TypedPropertyValue unrecognized type " + type + " " + t);
		}
	}
	function write_TypedPropertyValue(type, value) {
		var o = new_buf(4), p = new_buf(4);
		o.write_shift(4, type == 0x50 ? 0x1F : type);
		switch (type) {
			case 0x03 /*VT_I4*/: p.write_shift(-4, value); break;
			case 0x05 /*VT_I4*/: p = new_buf(8); p.write_shift(8, value, 'f'); break;
			case 0x0B /*VT_BOOL*/: p.write_shift(4, value ? 0x01 : 0x00); break;
			case 0x40 /*VT_FILETIME*/: p = write_FILETIME(value); break;
			case 0x1F /*VT_LPWSTR*/:
			case 0x50 /*VT_STRING*/:
				p = new_buf(4 + 2 * (value.length + 1) + (value.length % 2 ? 0 : 2));
				p.write_shift(4, value.length + 1);
				p.write_shift(0, value, "dbcs");
				while (p.l != p.length) p.write_shift(1, 0);
				break;
			default: throw new Error("TypedPropertyValue unrecognized type " + type + " " + value);
		}
		return bconcat([o, p]);
	}

	/* [MS-OLEPS] 2.20 PropertySet */
	function parse_PropertySet(blob, PIDSI) {
		var start_addr = blob.l;
		var size = blob.read_shift(4);
		var NumProps = blob.read_shift(4);
		var Props = [], i = 0;
		var CodePage = 0;
		var Dictionary = -1, DictObj = ({});
		for (i = 0; i != NumProps; ++i) {
			var PropID = blob.read_shift(4);
			var Offset = blob.read_shift(4);
			Props[i] = [PropID, Offset + start_addr];
		}
		Props.sort(function (x, y) { return x[1] - y[1]; });
		var PropH = {};
		for (i = 0; i != NumProps; ++i) {
			if (blob.l !== Props[i][1]) {
				var fail = true;
				if (i > 0 && PIDSI) switch (PIDSI[Props[i - 1][0]].t) {
					case 0x02 /*VT_I2*/: if (blob.l + 2 === Props[i][1]) { blob.l += 2; fail = false; } break;
					case 0x50 /*VT_STRING*/: if (blob.l <= Props[i][1]) { blob.l = Props[i][1]; fail = false; } break;
					case 0x100C /*VT_VECTOR|VT_VARIANT*/: if (blob.l <= Props[i][1]) { blob.l = Props[i][1]; fail = false; } break;
				}
				if ((!PIDSI || i == 0) && blob.l <= Props[i][1]) { fail = false; blob.l = Props[i][1]; }
				if (fail) throw new Error("Read Error: Expected address " + Props[i][1] + ' at ' + blob.l + ' :' + i);
			}
			if (PIDSI) {
				if (Props[i][0] == 0 && Props.length > i + 1 && Props[i][1] == Props[i + 1][1]) continue; // R9
				var piddsi = PIDSI[Props[i][0]];
				PropH[piddsi.n] = parse_TypedPropertyValue(blob, piddsi.t, { raw: true });
				if (piddsi.p === 'version') PropH[piddsi.n] = String(PropH[piddsi.n] >> 16) + "." + ("0000" + String(PropH[piddsi.n] & 0xFFFF)).slice(-4);
				if (piddsi.n == "CodePage") switch (PropH[piddsi.n]) {
					case 0: PropH[piddsi.n] = 1252;
					/* falls through */
					case 874:
					case 932:
					case 936:
					case 949:
					case 950:
					case 1250:
					case 1251:
					case 1253:
					case 1254:
					case 1255:
					case 1256:
					case 1257:
					case 1258:
					case 10000:
					case 1200:
					case 1201:
					case 1252:
					case 65000: case -536:
					case 65001: case -535:
						set_cp(CodePage = (PropH[piddsi.n] >>> 0) & 0xFFFF); break;
					default: throw new Error("Unsupported CodePage: " + PropH[piddsi.n]);
				}
			} else {
				if (Props[i][0] === 0x1) {
					CodePage = PropH.CodePage = (parse_TypedPropertyValue(blob, VT_I2));
					set_cp(CodePage);
					if (Dictionary !== -1) {
						var oldpos = blob.l;
						blob.l = Props[Dictionary][1];
						DictObj = parse_dictionary(blob, CodePage);
						blob.l = oldpos;
					}
				} else if (Props[i][0] === 0) {
					if (CodePage === 0) { Dictionary = i; blob.l = Props[i + 1][1]; continue; }
					DictObj = parse_dictionary(blob, CodePage);
				} else {
					var name = DictObj[Props[i][0]];
					var val;
					/* [MS-OSHARED] 2.3.3.2.3.1.2 + PROPVARIANT */
					switch (blob[blob.l]) {
						case 0x41 /*VT_BLOB*/: blob.l += 4; val = parse_BLOB(blob); break;
						case 0x1E /*VT_LPSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l - 4]).replace(/(^|[^\u0000])\u0000+$/, "$1"); break;
						case 0x1F /*VT_LPWSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l - 4]).replace(/(^|[^\u0000])\u0000+$/, "$1"); break;
						case 0x03 /*VT_I4*/: blob.l += 4; val = blob.read_shift(4, 'i'); break;
						case 0x13 /*VT_UI4*/: blob.l += 4; val = blob.read_shift(4); break;
						case 0x05 /*VT_R8*/: blob.l += 4; val = blob.read_shift(8, 'f'); break;
						case 0x0B /*VT_BOOL*/: blob.l += 4; val = parsebool(blob, 4); break;
						case 0x40 /*VT_FILETIME*/: blob.l += 4; val = parseDate(parse_FILETIME(blob)); break;
						default: throw new Error("unparsed value: " + blob[blob.l]);
					}
					PropH[name] = val;
				}
			}
		}
		blob.l = start_addr + size; /* step ahead to skip padding */
		return PropH;
	}
	var XLSPSSkip = ["CodePage", "Thumbnail", "_PID_LINKBASE", "_PID_HLINKS", "SystemIdentifier", "FMTID"];
	function guess_property_type(val) {
		switch (typeof val) {
			case "boolean": return 0x0B;
			case "number": return ((val | 0) == val) ? 0x03 : 0x05;
			case "string": return 0x1F;
			case "object": if (val instanceof Date) return 0x40; break;
		}
		return -1;
	}
	function write_PropertySet(entries, RE, PIDSI) {
		var hdr = new_buf(8), piao = [], prop = [];
		var sz = 8, i = 0;

		var pr = new_buf(8), pio = new_buf(8);
		pr.write_shift(4, 0x0002);
		pr.write_shift(4, 0x04B0);
		pio.write_shift(4, 0x0001);
		prop.push(pr); piao.push(pio);
		sz += 8 + pr.length;

		if (!RE) {
			pio = new_buf(8);
			pio.write_shift(4, 0);
			piao.unshift(pio);

			var bufs = [new_buf(4)];
			bufs[0].write_shift(4, entries.length);
			for (i = 0; i < entries.length; ++i) {
				var value = entries[i][0];
				pr = new_buf(4 + 4 + 2 * (value.length + 1) + (value.length % 2 ? 0 : 2));
				pr.write_shift(4, i + 2);
				pr.write_shift(4, value.length + 1);
				pr.write_shift(0, value, "dbcs");
				while (pr.l != pr.length) pr.write_shift(1, 0);
				bufs.push(pr);
			}
			pr = bconcat(bufs);
			prop.unshift(pr);
			sz += 8 + pr.length;
		}

		for (i = 0; i < entries.length; ++i) {
			if (RE && !RE[entries[i][0]]) continue;
			if (XLSPSSkip.indexOf(entries[i][0]) > -1 || PseudoPropsPairs.indexOf(entries[i][0]) > -1) continue;
			if (entries[i][1] == null) continue;

			var val = entries[i][1], idx = 0;
			if (RE) {
				idx = +RE[entries[i][0]];
				var pinfo = (PIDSI)[idx];
				if (pinfo.p == "version" && typeof val == "string") {
					var arr = val.split(".");
					val = ((+arr[0]) << 16) + ((+arr[1]) || 0);
				}
				pr = write_TypedPropertyValue(pinfo.t, val);
			} else {
				var T = guess_property_type(val);
				if (T == -1) { T = 0x1F; val = String(val); }
				pr = write_TypedPropertyValue(T, val);
			}
			prop.push(pr);

			pio = new_buf(8);
			pio.write_shift(4, !RE ? 2 + i : idx);
			piao.push(pio);

			sz += 8 + pr.length;
		}

		var w = 8 * (prop.length + 1);
		for (i = 0; i < prop.length; ++i) { piao[i].write_shift(4, w); w += prop[i].length; }
		hdr.write_shift(4, sz);
		hdr.write_shift(4, prop.length);
		return bconcat([hdr].concat(piao).concat(prop));
	}

	/* [MS-OLEPS] 2.21 PropertySetStream */
	function parse_PropertySetStream(file, PIDSI, clsid) {
		var blob = file.content;
		if (!blob) return ({});
		prep_blob(blob, 0);

		var NumSets, FMTID0, FMTID1, Offset0, Offset1 = 0;
		blob.chk('feff', 'Byte Order: ');

	/*var vers = */blob.read_shift(2); // TODO: check version
		var SystemIdentifier = blob.read_shift(4);
		var CLSID = blob.read_shift(16);
		if (CLSID !== CFB.utils.consts.HEADER_CLSID && CLSID !== clsid) throw new Error("Bad PropertySet CLSID " + CLSID);
		NumSets = blob.read_shift(4);
		if (NumSets !== 1 && NumSets !== 2) throw new Error("Unrecognized #Sets: " + NumSets);
		FMTID0 = blob.read_shift(16); Offset0 = blob.read_shift(4);

		if (NumSets === 1 && Offset0 !== blob.l) throw new Error("Length mismatch: " + Offset0 + " !== " + blob.l);
		else if (NumSets === 2) { FMTID1 = blob.read_shift(16); Offset1 = blob.read_shift(4); }
		var PSet0 = parse_PropertySet(blob, PIDSI);

		var rval = ({ SystemIdentifier: SystemIdentifier });
		for (var y in PSet0) rval[y] = PSet0[y];
		//rval.blob = blob;
		rval.FMTID = FMTID0;
		//rval.PSet0 = PSet0;
		if (NumSets === 1) return rval;
		if (Offset1 - blob.l == 2) blob.l += 2;
		if (blob.l !== Offset1) throw new Error("Length mismatch 2: " + blob.l + " !== " + Offset1);
		var PSet1;
		try { PSet1 = parse_PropertySet(blob, null); } catch (e) {/* empty */ }
		for (y in PSet1) rval[y] = PSet1[y];
		rval.FMTID = [FMTID0, FMTID1]; // TODO: verify FMTID0/1
		return rval;
	}
	function write_PropertySetStream(entries, clsid, RE, PIDSI, entries2, clsid2) {
		var hdr = new_buf(entries2 ? 68 : 48);
		var bufs = [hdr];
		hdr.write_shift(2, 0xFFFE);
		hdr.write_shift(2, 0x0000); /* TODO: type 1 props */
		hdr.write_shift(4, 0x32363237);
		hdr.write_shift(16, CFB.utils.consts.HEADER_CLSID, "hex");
		hdr.write_shift(4, (entries2 ? 2 : 1));
		hdr.write_shift(16, clsid, "hex");
		hdr.write_shift(4, (entries2 ? 68 : 48));
		var ps0 = write_PropertySet(entries, RE, PIDSI);
		bufs.push(ps0);

		if (entries2) {
			var ps1 = write_PropertySet(entries2, null, null);
			hdr.write_shift(16, clsid2, "hex");
			hdr.write_shift(4, 68 + ps0.length);
			bufs.push(ps1);
		}
		return bconcat(bufs);
	}

	function parsenoop2(blob, length) { blob.read_shift(length); return null; }
	function writezeroes(n, o) { if (!o) o = new_buf(n); for (var j = 0; j < n; ++j) o.write_shift(1, 0); return o; }

	function parslurp(blob, length, cb) {
		var arr = [], target = blob.l + length;
		while (blob.l < target) arr.push(cb(blob, target - blob.l));
		if (target !== blob.l) throw new Error("Slurp error");
		return arr;
	}

	function parsebool(blob, length) { return blob.read_shift(length) === 0x1; }
	function writebool(v, o) { if (!o) o = new_buf(2); o.write_shift(2, +!!v); return o; }

	function parseuint16(blob) { return blob.read_shift(2, 'u'); }
	function writeuint16(v, o) { if (!o) o = new_buf(2); o.write_shift(2, v); return o; }
	function parseuint16a(blob, length) { return parslurp(blob, length, parseuint16); }

	/* --- 2.5 Structures --- */

	/* [MS-XLS] 2.5.10 Bes (boolean or error) */
	function parse_Bes(blob) {
		var v = blob.read_shift(1), t = blob.read_shift(1);
		return t === 0x01 ? v : v === 0x01;
	}
	function write_Bes(v, t, o) {
		if (!o) o = new_buf(2);
		o.write_shift(1, ((t == 'e') ? +v : +!!v));
		o.write_shift(1, ((t == 'e') ? 1 : 0));
		return o;
	}

	/* [MS-XLS] 2.5.240 ShortXLUnicodeString */
	function parse_ShortXLUnicodeString(blob, length, opts) {
		var cch = blob.read_shift(opts && opts.biff >= 12 ? 2 : 1);
		var encoding = 'sbcs-cont';
		var cp = current_codepage;
		if (opts && opts.biff >= 8) current_codepage = 1200;
		if (!opts || opts.biff == 8) {
			var fHighByte = blob.read_shift(1);
			if (fHighByte) { encoding = 'dbcs-cont'; }
		} else if (opts.biff == 12) {
			encoding = 'wstr';
		}
		if (opts.biff >= 2 && opts.biff <= 5) encoding = 'cpstr';
		var o = cch ? blob.read_shift(cch, encoding) : "";
		current_codepage = cp;
		return o;
	}

	/* 2.5.293 XLUnicodeRichExtendedString */
	function parse_XLUnicodeRichExtendedString(blob) {
		var cp = current_codepage;
		current_codepage = 1200;
		var cch = blob.read_shift(2), flags = blob.read_shift(1);
		var /*fHighByte = flags & 0x1,*/ fExtSt = flags & 0x4, fRichSt = flags & 0x8;
		var width = 1 + (flags & 0x1); // 0x0 -> utf8, 0x1 -> dbcs
		var cRun = 0, cbExtRst;
		var z = {};
		if (fRichSt) cRun = blob.read_shift(2);
		if (fExtSt) cbExtRst = blob.read_shift(4);
		var encoding = width == 2 ? 'dbcs-cont' : 'sbcs-cont';
		var msg = cch === 0 ? "" : blob.read_shift(cch, encoding);
		if (fRichSt) blob.l += 4 * cRun; //TODO: parse this
		if (fExtSt) blob.l += cbExtRst; //TODO: parse this
		z.t = msg;
		if (!fRichSt) { z.raw = "<t>" + z.t + "</t>"; z.r = z.t; }
		current_codepage = cp;
		return z;
	}
	function write_XLUnicodeRichExtendedString(xlstr) {
		var str = (xlstr.t || ""), nfmts = 1;

		var hdr = new_buf(3 + (nfmts > 1 ? 2 : 0));
		hdr.write_shift(2, str.length);
		hdr.write_shift(1, (nfmts > 1 ? 0x08 : 0x00) | 0x01);
		if (nfmts > 1) hdr.write_shift(2, nfmts);

		var otext = new_buf(2 * str.length);
		otext.write_shift(2 * str.length, str, 'utf16le');

		var out = [hdr, otext];

		return bconcat(out);
	}

	/* 2.5.296 XLUnicodeStringNoCch */
	function parse_XLUnicodeStringNoCch(blob, cch, opts) {
		var retval;
		if (opts) {
			if (opts.biff >= 2 && opts.biff <= 5) return blob.read_shift(cch, 'cpstr');
			if (opts.biff >= 12) return blob.read_shift(cch, 'dbcs-cont');
		}
		var fHighByte = blob.read_shift(1);
		if (fHighByte === 0) { retval = blob.read_shift(cch, 'sbcs-cont'); }
		else { retval = blob.read_shift(cch, 'dbcs-cont'); }
		return retval;
	}

	/* 2.5.294 XLUnicodeString */
	function parse_XLUnicodeString(blob, length, opts) {
		var cch = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		if (cch === 0) { blob.l++; return ""; }
		return parse_XLUnicodeStringNoCch(blob, cch, opts);
	}
	/* BIFF5 override */
	function parse_XLUnicodeString2(blob, length, opts) {
		if (opts.biff > 5) return parse_XLUnicodeString(blob, length, opts);
		var cch = blob.read_shift(1);
		if (cch === 0) { blob.l++; return ""; }
		return blob.read_shift(cch, (opts.biff <= 4 || !blob.lens) ? 'cpstr' : 'sbcs-cont');
	}
	/* TODO: BIFF5 and lower, codepage awareness */
	function write_XLUnicodeString(str, opts, o) {
		if (!o) o = new_buf(3 + 2 * str.length);
		o.write_shift(2, str.length);
		o.write_shift(1, 1);
		o.write_shift(31, str, 'utf16le');
		return o;
	}

	/* [MS-XLS] 2.5.61 ControlInfo */
	function parse_ControlInfo(blob) {
		var flags = blob.read_shift(1);
		blob.l++;
		var accel = blob.read_shift(2);
		blob.l += 2;
		return [flags, accel];
	}

	/* [MS-OSHARED] 2.3.7.6 URLMoniker TODO: flags */
	function parse_URLMoniker(blob) {
		var len = blob.read_shift(4), start = blob.l;
		var extra = false;
		if (len > 24) {
			/* look ahead */
			blob.l += len - 24;
			if (blob.read_shift(16) === "795881f43b1d7f48af2c825dc4852763") extra = true;
			blob.l = start;
		}
		var url = blob.read_shift((extra ? len - 24 : len) >> 1, 'utf16le').replace(chr0, "");
		if (extra) blob.l += 24;
		return url;
	}

	/* [MS-OSHARED] 2.3.7.8 FileMoniker TODO: all fields */
	function parse_FileMoniker(blob) {
		var cAnti = blob.read_shift(2);
		var preamble = ""; while (cAnti-- > 0) preamble += "../";
		var ansiPath = blob.read_shift(0, 'lpstr-ansi');
		blob.l += 2; //var endServer = blob.read_shift(2);
		if (blob.read_shift(2) != 0xDEAD) throw new Error("Bad FileMoniker");
		var sz = blob.read_shift(4);
		if (sz === 0) return preamble + ansiPath.replace(/\\/g, "/");
		var bytes = blob.read_shift(4);
		if (blob.read_shift(2) != 3) throw new Error("Bad FileMoniker");
		var unicodePath = blob.read_shift(bytes >> 1, 'utf16le').replace(chr0, "");
		return preamble + unicodePath;
	}

	/* [MS-OSHARED] 2.3.7.2 HyperlinkMoniker TODO: all the monikers */
	function parse_HyperlinkMoniker(blob, length) {
		var clsid = blob.read_shift(16); length -= 16;
		switch (clsid) {
			case "e0c9ea79f9bace118c8200aa004ba90b": return parse_URLMoniker(blob, length);
			case "0303000000000000c000000000000046": return parse_FileMoniker(blob, length);
			default: throw new Error("Unsupported Moniker " + clsid);
		}
	}

	/* [MS-OSHARED] 2.3.7.9 HyperlinkString */
	function parse_HyperlinkString(blob) {
		var len = blob.read_shift(4);
		var o = len > 0 ? blob.read_shift(len, 'utf16le').replace(chr0, "") : "";
		return o;
	}
	function write_HyperlinkString(str, o) {
		if (!o) o = new_buf(6 + str.length * 2);
		o.write_shift(4, 1 + str.length);
		for (var i = 0; i < str.length; ++i) o.write_shift(2, str.charCodeAt(i));
		o.write_shift(2, 0);
		return o;
	}

	/* [MS-OSHARED] 2.3.7.1 Hyperlink Object */
	function parse_Hyperlink(blob, length) {
		var end = blob.l + length;
		var sVer = blob.read_shift(4);
		if (sVer !== 2) throw new Error("Unrecognized streamVersion: " + sVer);
		var flags = blob.read_shift(2);
		blob.l += 2;
		var displayName, targetFrameName, moniker, oleMoniker, Loc = "", guid, fileTime;
		if (flags & 0x0010) displayName = parse_HyperlinkString(blob, end - blob.l);
		if (flags & 0x0080) targetFrameName = parse_HyperlinkString(blob, end - blob.l);
		if ((flags & 0x0101) === 0x0101) moniker = parse_HyperlinkString(blob, end - blob.l);
		if ((flags & 0x0101) === 0x0001) oleMoniker = parse_HyperlinkMoniker(blob, end - blob.l);
		if (flags & 0x0008) Loc = parse_HyperlinkString(blob, end - blob.l);
		if (flags & 0x0020) guid = blob.read_shift(16);
		if (flags & 0x0040) fileTime = parse_FILETIME(blob/*, 8*/);
		blob.l = end;
		var target = targetFrameName || moniker || oleMoniker || "";
		if (target && Loc) target += "#" + Loc;
		if (!target) target = "#" + Loc;
		if ((flags & 0x0002) && target.charAt(0) == "/" && target.charAt(1) != "/") target = "file://" + target;
		var out = ({ Target: target });
		if (guid) out.guid = guid;
		if (fileTime) out.time = fileTime;
		if (displayName) out.Tooltip = displayName;
		return out;
	}
	function write_Hyperlink(hl) {
		var out = new_buf(512), i = 0;
		var Target = hl.Target;
		if (Target.slice(0, 7) == "file://") Target = Target.slice(7);
		var hashidx = Target.indexOf("#");
		var F = hashidx > -1 ? 0x1f : 0x17;
		switch (Target.charAt(0)) { case "#": F = 0x1c; break; case ".": F &= ~2; break; }
		out.write_shift(4, 2); out.write_shift(4, F);
		var data = [8, 6815827, 6619237, 4849780, 83]; for (i = 0; i < data.length; ++i) out.write_shift(4, data[i]);
		if (F == 0x1C) {
			Target = Target.slice(1);
			write_HyperlinkString(Target, out);
		} else if (F & 0x02) {
			data = "e0 c9 ea 79 f9 ba ce 11 8c 82 00 aa 00 4b a9 0b".split(" ");
			for (i = 0; i < data.length; ++i) out.write_shift(1, parseInt(data[i], 16));
			var Pretarget = hashidx > -1 ? Target.slice(0, hashidx) : Target;
			out.write_shift(4, 2 * (Pretarget.length + 1));
			for (i = 0; i < Pretarget.length; ++i) out.write_shift(2, Pretarget.charCodeAt(i));
			out.write_shift(2, 0);
			if (F & 0x08) write_HyperlinkString(hashidx > -1 ? Target.slice(hashidx + 1) : "", out);
		} else {
			data = "03 03 00 00 00 00 00 00 c0 00 00 00 00 00 00 46".split(" ");
			for (i = 0; i < data.length; ++i) out.write_shift(1, parseInt(data[i], 16));
			var P = 0;
			while (Target.slice(P * 3, P * 3 + 3) == "../" || Target.slice(P * 3, P * 3 + 3) == "..\\") ++P;
			out.write_shift(2, P);
			out.write_shift(4, Target.length - 3 * P + 1);
			for (i = 0; i < Target.length - 3 * P; ++i) out.write_shift(1, Target.charCodeAt(i + 3 * P) & 0xFF);
			out.write_shift(1, 0);
			out.write_shift(2, 0xFFFF);
			out.write_shift(2, 0xDEAD);
			for (i = 0; i < 6; ++i) out.write_shift(4, 0);
		}
		return out.slice(0, out.l);
	}

	/* 2.5.178 LongRGBA */
	function parse_LongRGBA(blob) { var r = blob.read_shift(1), g = blob.read_shift(1), b = blob.read_shift(1), a = blob.read_shift(1); return [r, g, b, a]; }

	/* 2.5.177 LongRGB */
	function parse_LongRGB(blob, length) { var x = parse_LongRGBA(blob, length); x[3] = 0; return x; }


	/* [MS-XLS] 2.5.19 */
	function parse_XLSCell(blob, length, opts) {
		var rw = blob.read_shift(2); // 0-indexed
		var col = blob.read_shift(2);
		var ret = ({ r: rw, c: col, ixfe: 0 });
		if (opts && opts.biff == 2 || length == 7) {
			/* TODO: pass back flags */
			var flags = blob.read_shift(1);
			ret.ixfe = flags & 0x3F;
			blob.l += 2;
			/*
			var ifntifmt = blob.read_shift(1);
			var ifmt = ifntifmt & 0x3f, ifnt = ifntifmt >> 6;
			var flags3 = blob.read_shift(1);
			*/
		} else ret.ixfe = blob.read_shift(2);
		return ret;
	}
	function write_XLSCell(R, C, ixfe, o) {
		if (!o) o = new_buf(6);
		o.write_shift(2, R);
		o.write_shift(2, C);
		o.write_shift(2, ixfe || 0);
		return o;
	}

	/* [MS-XLS] 2.5.134 */
	function parse_frtHeader(blob) {
		var rt = blob.read_shift(2);
		var flags = blob.read_shift(2); // TODO: parse these flags
		blob.l += 8;
		return { type: rt, flags: flags };
	}



	function parse_OptXLUnicodeString(blob, length, opts) { return length === 0 ? "" : parse_XLUnicodeString2(blob, length, opts); }

	/* [MS-XLS] 2.5.344 */
	function parse_XTI(blob, length, opts) {
		var w = opts.biff > 8 ? 4 : 2;
		var iSupBook = blob.read_shift(w), itabFirst = blob.read_shift(w, 'i'), itabLast = blob.read_shift(w, 'i');
		return [iSupBook, itabFirst, itabLast];
	}

	/* [MS-XLS] 2.5.218 */
	function parse_RkRec(blob) {
		var ixfe = blob.read_shift(2);
		var RK = parse_RkNumber(blob);
		return [ixfe, RK];
	}

	/* [MS-XLS] 2.5.1 */
	function parse_AddinUdf(blob, length, opts) {
		blob.l += 4; length -= 4;
		var l = blob.l + length;
		var udfName = parse_ShortXLUnicodeString(blob, length, opts);
		var cb = blob.read_shift(2);
		l -= blob.l;
		if (cb !== l) throw new Error("Malformed AddinUdf: padding = " + l + " != " + cb);
		blob.l += cb;
		return udfName;
	}

	/* [MS-XLS] 2.5.209 TODO: Check sizes */
	function parse_Ref8U(blob) {
		var rwFirst = blob.read_shift(2);
		var rwLast = blob.read_shift(2);
		var colFirst = blob.read_shift(2);
		var colLast = blob.read_shift(2);
		return { s: { c: colFirst, r: rwFirst }, e: { c: colLast, r: rwLast } };
	}
	function write_Ref8U(r, o) {
		if (!o) o = new_buf(8);
		o.write_shift(2, r.s.r);
		o.write_shift(2, r.e.r);
		o.write_shift(2, r.s.c);
		o.write_shift(2, r.e.c);
		return o;
	}

	/* [MS-XLS] 2.5.211 */
	function parse_RefU(blob) {
		var rwFirst = blob.read_shift(2);
		var rwLast = blob.read_shift(2);
		var colFirst = blob.read_shift(1);
		var colLast = blob.read_shift(1);
		return { s: { c: colFirst, r: rwFirst }, e: { c: colLast, r: rwLast } };
	}

	/* [MS-XLS] 2.5.207 */
	var parse_Ref = parse_RefU;

	/* [MS-XLS] 2.5.143 */
	function parse_FtCmo(blob) {
		blob.l += 4;
		var ot = blob.read_shift(2);
		var id = blob.read_shift(2);
		var flags = blob.read_shift(2);
		blob.l += 12;
		return [id, ot, flags];
	}

	/* [MS-XLS] 2.5.149 */
	function parse_FtNts(blob) {
		var out = {};
		blob.l += 4;
		blob.l += 16; // GUID TODO
		out.fSharedNote = blob.read_shift(2);
		blob.l += 4;
		return out;
	}

	/* [MS-XLS] 2.5.142 */
	function parse_FtCf(blob) {
		var out = {};
		blob.l += 4;
		blob.cf = blob.read_shift(2);
		return out;
	}

	/* [MS-XLS] 2.5.140 - 2.5.154 and friends */
	function parse_FtSkip(blob) { blob.l += 2; blob.l += blob.read_shift(2); }
	var FtTab = {
		0x00: parse_FtSkip,      /* FtEnd */
		0x04: parse_FtSkip,      /* FtMacro */
		0x05: parse_FtSkip,      /* FtButton */
		0x06: parse_FtSkip,      /* FtGmo */
		0x07: parse_FtCf,        /* FtCf */
		0x08: parse_FtSkip,      /* FtPioGrbit */
		0x09: parse_FtSkip,      /* FtPictFmla */
		0x0A: parse_FtSkip,      /* FtCbls */
		0x0B: parse_FtSkip,      /* FtRbo */
		0x0C: parse_FtSkip,      /* FtSbs */
		0x0D: parse_FtNts,       /* FtNts */
		0x0E: parse_FtSkip,      /* FtSbsFmla */
		0x0F: parse_FtSkip,      /* FtGboData */
		0x10: parse_FtSkip,      /* FtEdoData */
		0x11: parse_FtSkip,      /* FtRboData */
		0x12: parse_FtSkip,      /* FtCblsData */
		0x13: parse_FtSkip,      /* FtLbsData */
		0x14: parse_FtSkip,      /* FtCblsFmla */
		0x15: parse_FtCmo
	};
	function parse_FtArray(blob, length) {
		var tgt = blob.l + length;
		var fts = [];
		while (blob.l < tgt) {
			var ft = blob.read_shift(2);
			blob.l -= 2;
			try {
				fts[ft] = FtTab[ft](blob, tgt - blob.l);
			} catch (e) { blob.l = tgt; return fts; }
		}
		if (blob.l != tgt) blob.l = tgt; //throw new Error("bad Object Ft-sequence");
		return fts;
	}

	/* --- 2.4 Records --- */

	/* [MS-XLS] 2.4.21 */
	function parse_BOF(blob, length) {
		var o = { BIFFVer: 0, dt: 0 };
		o.BIFFVer = blob.read_shift(2); length -= 2;
		if (length >= 2) { o.dt = blob.read_shift(2); blob.l -= 2; }
		switch (o.BIFFVer) {
			case 0x0600: /* BIFF8 */
			case 0x0500: /* BIFF5 */
			case 0x0400: /* BIFF4 */
			case 0x0300: /* BIFF3 */
			case 0x0200: /* BIFF2 */
			case 0x0002: case 0x0007: /* BIFF2 */
				break;
			default: if (length > 6) throw new Error("Unexpected BIFF Ver " + o.BIFFVer);
		}

		blob.read_shift(length);
		return o;
	}
	function write_BOF(wb, t, o) {
		var h = 0x0600, w = 16;
		switch (o.bookType) {
			case 'biff8': break;
			case 'biff5': h = 0x0500; w = 8; break;
			case 'biff4': h = 0x0004; w = 6; break;
			case 'biff3': h = 0x0003; w = 6; break;
			case 'biff2': h = 0x0002; w = 4; break;
			case 'xla': break;
			default: throw new Error("unsupported BIFF version");
		}
		var out = new_buf(w);
		out.write_shift(2, h);
		out.write_shift(2, t);
		if (w > 4) out.write_shift(2, 0x7262);
		if (w > 6) out.write_shift(2, 0x07CD);
		if (w > 8) {
			out.write_shift(2, 0xC009);
			out.write_shift(2, 0x0001);
			out.write_shift(2, 0x0706);
			out.write_shift(2, 0x0000);
		}
		return out;
	}


	/* [MS-XLS] 2.4.146 */
	function parse_InterfaceHdr(blob, length) {
		if (length === 0) return 0x04b0;
		if ((blob.read_shift(2)) !== 0x04b0) {/* empty */ }
		return 0x04b0;
	}


	/* [MS-XLS] 2.4.349 */
	function parse_WriteAccess(blob, length, opts) {
		if (opts.enc) { blob.l += length; return ""; }
		var l = blob.l;
		// TODO: make sure XLUnicodeString doesnt overrun
		var UserName = parse_XLUnicodeString2(blob, 0, opts);
		blob.read_shift(length + l - blob.l);
		return UserName;
	}
	function write_WriteAccess(s, opts) {
		var b8 = !opts || opts.biff == 8;
		var o = new_buf(b8 ? 112 : 54);
		o.write_shift(opts.biff == 8 ? 2 : 1, 7);
		if (b8) o.write_shift(1, 0);
		o.write_shift(4, 0x33336853);
		o.write_shift(4, (0x00534A74 | (b8 ? 0 : 0x20000000)));
		while (o.l < o.length) o.write_shift(1, (b8 ? 0 : 32));
		return o;
	}

	/* [MS-XLS] 2.4.351 */
	function parse_WsBool(blob, length, opts) {
		var flags = opts && opts.biff == 8 || length == 2 ? blob.read_shift(2) : (blob.l += length, 0);
		return { fDialog: flags & 0x10, fBelow: flags & 0x40, fRight: flags & 0x80 };
	}

	/* [MS-XLS] 2.4.28 */
	function parse_BoundSheet8(blob, length, opts) {
		var name = "";
		if (opts.biff == 4) {
			name = parse_ShortXLUnicodeString(blob, 0, opts);
			if (name.length === 0) name = "Sheet1";
			return { name: name };
		}
		var pos = blob.read_shift(4);
		var hidden = blob.read_shift(1) & 0x03;
		var dt = blob.read_shift(1);
		switch (dt) {
			case 0: dt = 'Worksheet'; break;
			case 1: dt = 'Macrosheet'; break;
			case 2: dt = 'Chartsheet'; break;
			case 6: dt = 'VBAModule'; break;
		}
		name = parse_ShortXLUnicodeString(blob, 0, opts);
		if (name.length === 0) name = "Sheet1";
		return { pos: pos, hs: hidden, dt: dt, name: name };
	}
	function write_BoundSheet8(data, opts) {
		var w = (!opts || opts.biff >= 8 ? 2 : 1);
		var o = new_buf(8 + w * data.name.length);
		o.write_shift(4, data.pos);
		o.write_shift(1, data.hs || 0);
		o.write_shift(1, data.dt);
		o.write_shift(1, data.name.length);
		if (opts.biff >= 8) o.write_shift(1, 1);
		o.write_shift(w * data.name.length, data.name, opts.biff < 8 ? 'sbcs' : 'utf16le');
		var out = o.slice(0, o.l);
		out.l = o.l; return out;
	}

	/* [MS-XLS] 2.4.265 TODO */
	function parse_SST(blob, length) {
		var end = blob.l + length;
		var cnt = blob.read_shift(4);
		var ucnt = blob.read_shift(4);
		var strs = ([]);
		for (var i = 0; i != ucnt && blob.l < end; ++i) {
			strs.push(parse_XLUnicodeRichExtendedString(blob));
		}
		strs.Count = cnt; strs.Unique = ucnt;
		return strs;
	}
	function write_SST(sst, opts) {
		var header = new_buf(8);
		header.write_shift(4, sst.Count);
		header.write_shift(4, sst.Unique);
		var strs = [];
		for (var j = 0; j < sst.length; ++j) strs[j] = write_XLUnicodeRichExtendedString(sst[j], opts);
		var o = bconcat([header].concat(strs));
		o.parts = [header.length].concat(strs.map(function (str) { return str.length; }));
		return o;
	}

	/* [MS-XLS] 2.4.107 */
	function parse_ExtSST(blob, length) {
		var extsst = {};
		extsst.dsst = blob.read_shift(2);
		blob.l += length - 2;
		return extsst;
	}


	/* [MS-XLS] 2.4.221 TODO: check BIFF2-4 */
	function parse_Row(blob) {
		var z = ({});
		z.r = blob.read_shift(2);
		z.c = blob.read_shift(2);
		z.cnt = blob.read_shift(2) - z.c;
		var miyRw = blob.read_shift(2);
		blob.l += 4; // reserved(2), unused(2)
		var flags = blob.read_shift(1); // various flags
		blob.l += 3; // reserved(8), ixfe(12), flags(4)
		if (flags & 0x07) z.level = flags & 0x07;
		// collapsed: flags & 0x10
		if (flags & 0x20) z.hidden = true;
		if (flags & 0x40) z.hpt = miyRw / 20;
		return z;
	}


	/* [MS-XLS] 2.4.125 */
	function parse_ForceFullCalculation(blob) {
		var header = parse_frtHeader(blob);
		if (header.type != 0x08A3) throw new Error("Invalid Future Record " + header.type);
		var fullcalc = blob.read_shift(4);
		return fullcalc !== 0x0;
	}





	/* [MS-XLS] 2.4.215 rt */
	function parse_RecalcId(blob) {
		blob.read_shift(2);
		return blob.read_shift(4);
	}

	/* [MS-XLS] 2.4.87 */
	function parse_DefaultRowHeight(blob, length, opts) {
		var f = 0;
		if (!(opts && opts.biff == 2)) {
			f = blob.read_shift(2);
		}
		var miyRw = blob.read_shift(2);
		if ((opts && opts.biff == 2)) {
			f = 1 - (miyRw >> 15); miyRw &= 0x7fff;
		}
		var fl = { Unsynced: f & 1, DyZero: (f & 2) >> 1, ExAsc: (f & 4) >> 2, ExDsc: (f & 8) >> 3 };
		return [fl, miyRw];
	}

	/* [MS-XLS] 2.4.345 TODO */
	function parse_Window1(blob) {
		var xWn = blob.read_shift(2), yWn = blob.read_shift(2), dxWn = blob.read_shift(2), dyWn = blob.read_shift(2);
		var flags = blob.read_shift(2), iTabCur = blob.read_shift(2), iTabFirst = blob.read_shift(2);
		var ctabSel = blob.read_shift(2), wTabRatio = blob.read_shift(2);
		return {
			Pos: [xWn, yWn], Dim: [dxWn, dyWn], Flags: flags, CurTab: iTabCur,
			FirstTab: iTabFirst, Selected: ctabSel, TabRatio: wTabRatio
		};
	}
	function write_Window1() {
		var o = new_buf(18);
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 0x7260);
		o.write_shift(2, 0x44c0);
		o.write_shift(2, 0x38);
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 1);
		o.write_shift(2, 0x01f4);
		return o;
	}
	/* [MS-XLS] 2.4.346 TODO */
	function parse_Window2(blob, length, opts) {
		if (opts && opts.biff >= 2 && opts.biff < 5) return {};
		var f = blob.read_shift(2);
		return { RTL: f & 0x40 };
	}
	function write_Window2(view) {
		var o = new_buf(18), f = 0x6b6;
		if (view && view.RTL) f |= 0x40;
		o.write_shift(2, f);
		o.write_shift(4, 0);
		o.write_shift(4, 64);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		return o;
	}

	/* [MS-XLS] 2.4.189 TODO */
	function parse_Pane(/*blob, length, opts*/) {
	}

	/* [MS-XLS] 2.4.122 TODO */
	function parse_Font(blob, length, opts) {
		var o = {
			dyHeight: blob.read_shift(2),
			fl: blob.read_shift(2)
		};
		switch ((opts && opts.biff) || 8) {
			case 2: break;
			case 3: case 4: blob.l += 2; break;
			default: blob.l += 10; break;
		}
		o.name = parse_ShortXLUnicodeString(blob, 0, opts);
		return o;
	}
	function write_Font(data, opts) {
		var name = data.name || "Arial";
		var b5 = (opts && (opts.biff == 5)), w = (b5 ? (15 + name.length) : (16 + 2 * name.length));
		var o = new_buf(w);
		o.write_shift(2, (data.sz || 12) * 20);
		o.write_shift(4, 0);
		o.write_shift(2, 400);
		o.write_shift(4, 0);
		o.write_shift(2, 0);
		o.write_shift(1, name.length);
		if (!b5) o.write_shift(1, 1);
		o.write_shift((b5 ? 1 : 2) * name.length, name, (b5 ? "sbcs" : "utf16le"));
		return o;
	}

	/* [MS-XLS] 2.4.149 */
	function parse_LabelSst(blob, length, opts) {
		var cell = parse_XLSCell(blob, length, opts);
		cell.isst = blob.read_shift(4);
		return cell;
	}
	function write_LabelSst(R, C, v, os) {
		var o = new_buf(10);
		write_XLSCell(R, C, os, o);
		o.write_shift(4, v);
		return o;
	}

	/* [MS-XLS] 2.4.148 */
	function parse_Label(blob, length, opts) {
		if (opts.biffguess && opts.biff == 2) opts.biff = 5;
		var target = blob.l + length;
		var cell = parse_XLSCell(blob, length, opts);
		var str = parse_XLUnicodeString(blob, target - blob.l, opts);
		cell.val = str;
		return cell;
	}
	function write_Label(R, C, v, os, opts) {
		var b8 = !opts || opts.biff == 8;
		var o = new_buf(6 + 2 + (+b8) + (1 + b8) * v.length);
		write_XLSCell(R, C, os, o);
		o.write_shift(2, v.length);
		if (b8) o.write_shift(1, 1);
		o.write_shift((1 + b8) * v.length, v, b8 ? 'utf16le' : 'sbcs');
		return o;
	}


	/* [MS-XLS] 2.4.126 Number Formats */
	function parse_Format(blob, length, opts) {
		var numFmtId = blob.read_shift(2);
		var fmtstr = parse_XLUnicodeString2(blob, 0, opts);
		return [numFmtId, fmtstr];
	}
	function write_Format(i, f, opts, o) {
		var b5 = (opts && (opts.biff == 5));
		if (!o) o = new_buf(b5 ? (3 + f.length) : (5 + 2 * f.length));
		o.write_shift(2, i);
		o.write_shift((b5 ? 1 : 2), f.length);
		if (!b5) o.write_shift(1, 1);
		o.write_shift((b5 ? 1 : 2) * f.length, f, (b5 ? 'sbcs' : 'utf16le'));
		var out = (o.length > o.l) ? o.slice(0, o.l) : o;
		if (out.l == null) out.l = out.length;
		return out;
	}
	var parse_BIFF2Format = parse_XLUnicodeString2;
	function write_BIFF2Format(f) {
		var o = new_buf(1 + f.length);
		o.write_shift(1, f.length);
		o.write_shift(f.length, f, "sbcs");
		return o;
	}
	function write_BIFF4Format(f) {
		var o = new_buf(3 + f.length);
		o.l += 2;
		o.write_shift(1, f.length);
		o.write_shift(f.length, f, "sbcs");
		return o;
	}

	/* [MS-XLS] 2.4.90 */
	function parse_Dimensions(blob, length, opts) {
		var end = blob.l + length;
		var w = opts.biff == 8 || !opts.biff ? 4 : 2;
		var r = blob.read_shift(w), R = blob.read_shift(w);
		var c = blob.read_shift(2), C = blob.read_shift(2);
		blob.l = end;
		return { s: { r: r, c: c }, e: { r: R, c: C } };
	}
	function write_Dimensions(range, opts) {
		var w = opts.biff == 8 || !opts.biff ? 4 : 2;
		var o = new_buf(2 * w + 6);
		o.write_shift(w, range.s.r);
		o.write_shift(w, range.e.r + 1);
		o.write_shift(2, range.s.c);
		o.write_shift(2, range.e.c + 1);
		o.write_shift(2, 0);
		return o;
	}

	/* [MS-XLS] 2.4.220 */
	function parse_RK(blob) {
		var rw = blob.read_shift(2), col = blob.read_shift(2);
		var rkrec = parse_RkRec(blob);
		return { r: rw, c: col, ixfe: rkrec[0], rknum: rkrec[1] };
	}

	/* [MS-XLS] 2.4.175 */
	function parse_MulRk(blob, length) {
		var target = blob.l + length - 2;
		var rw = blob.read_shift(2), col = blob.read_shift(2);
		var rkrecs = [];
		while (blob.l < target) rkrecs.push(parse_RkRec(blob));
		if (blob.l !== target) throw new Error("MulRK read error");
		var lastcol = blob.read_shift(2);
		if (rkrecs.length != lastcol - col + 1) throw new Error("MulRK length mismatch");
		return { r: rw, c: col, C: lastcol, rkrec: rkrecs };
	}
	/* [MS-XLS] 2.4.174 */
	function parse_MulBlank(blob, length) {
		var target = blob.l + length - 2;
		var rw = blob.read_shift(2), col = blob.read_shift(2);
		var ixfes = [];
		while (blob.l < target) ixfes.push(blob.read_shift(2));
		if (blob.l !== target) throw new Error("MulBlank read error");
		var lastcol = blob.read_shift(2);
		if (ixfes.length != lastcol - col + 1) throw new Error("MulBlank length mismatch");
		return { r: rw, c: col, C: lastcol, ixfe: ixfes };
	}

	/* [MS-XLS] 2.5.20 2.5.249 TODO: interpret values here */
	function parse_CellStyleXF(blob, length, style, opts) {
		var o = {};
		var a = blob.read_shift(4), b = blob.read_shift(4);
		var c = blob.read_shift(4), d = blob.read_shift(2);
		o.patternType = XLSFillPattern[c >> 26];

		if (!opts.cellStyles) return o;
		o.alc = a & 0x07;
		o.fWrap = (a >> 3) & 0x01;
		o.alcV = (a >> 4) & 0x07;
		o.fJustLast = (a >> 7) & 0x01;
		o.trot = (a >> 8) & 0xFF;
		o.cIndent = (a >> 16) & 0x0F;
		o.fShrinkToFit = (a >> 20) & 0x01;
		o.iReadOrder = (a >> 22) & 0x02;
		o.fAtrNum = (a >> 26) & 0x01;
		o.fAtrFnt = (a >> 27) & 0x01;
		o.fAtrAlc = (a >> 28) & 0x01;
		o.fAtrBdr = (a >> 29) & 0x01;
		o.fAtrPat = (a >> 30) & 0x01;
		o.fAtrProt = (a >> 31) & 0x01;

		o.dgLeft = b & 0x0F;
		o.dgRight = (b >> 4) & 0x0F;
		o.dgTop = (b >> 8) & 0x0F;
		o.dgBottom = (b >> 12) & 0x0F;
		o.icvLeft = (b >> 16) & 0x7F;
		o.icvRight = (b >> 23) & 0x7F;
		o.grbitDiag = (b >> 30) & 0x03;

		o.icvTop = c & 0x7F;
		o.icvBottom = (c >> 7) & 0x7F;
		o.icvDiag = (c >> 14) & 0x7F;
		o.dgDiag = (c >> 21) & 0x0F;

		o.icvFore = d & 0x7F;
		o.icvBack = (d >> 7) & 0x7F;
		o.fsxButton = (d >> 14) & 0x01;
		return o;
	}
	//function parse_CellXF(blob, length, opts) {return parse_CellStyleXF(blob,length,0, opts);}
	//function parse_StyleXF(blob, length, opts) {return parse_CellStyleXF(blob,length,1, opts);}

	/* [MS-XLS] 2.4.353 TODO: actually do this right */
	function parse_XF(blob, length, opts) {
		var o = {};
		o.ifnt = blob.read_shift(2); o.numFmtId = blob.read_shift(2); o.flags = blob.read_shift(2);
		o.fStyle = (o.flags >> 2) & 0x01;
		length -= 6;
		o.data = parse_CellStyleXF(blob, length, o.fStyle, opts);
		return o;
	}
	function write_XF(data, ixfeP, opts, o) {
		var b5 = (opts && (opts.biff == 5));
		if (!o) o = new_buf(b5 ? 16 : 20);
		o.write_shift(2, 0);
		if (data.style) {
			o.write_shift(2, (data.numFmtId || 0));
			o.write_shift(2, 0xFFF4);
		} else {
			o.write_shift(2, (data.numFmtId || 0));
			o.write_shift(2, (ixfeP << 4));
		}
		var f = 0;
		if (data.numFmtId > 0 && b5) f |= 0x0400;
		o.write_shift(4, f);
		o.write_shift(4, 0);
		if (!b5) o.write_shift(4, 0);
		o.write_shift(2, 0);
		return o;
	}
	function parse_BIFF2XF(blob) {
		var o = {};
		o.ifnt = blob.read_shift(1); blob.l++; o.flags = blob.read_shift(1);
		o.numFmtId = o.flags & 0x3F; o.flags >>= 6;
		o.fStyle = 0;
		o.data = {}; // TODO
		return o;
	}
	function write_BIFF2XF(xf) {
		var o = new_buf(4);
		o.l += 2;
		o.write_shift(1, xf.numFmtId);
		o.l++;
		return o;
	}
	function write_BIFF3XF(xf) {
		var o = new_buf(12);
		o.l++;
		o.write_shift(1, xf.numFmtId);
		o.l += 10;
		return o;
	}
	/* TODO: check other fields */
	var write_BIFF4XF = write_BIFF3XF;
	function parse_BIFF3XF(blob) {
		var o = {};
		o.ifnt = blob.read_shift(1); o.numFmtId = blob.read_shift(1); o.flags = blob.read_shift(2);
		o.fStyle = (o.flags >> 2) & 0x01;
		o.data = {}; // TODO
		return o;
	}
	function parse_BIFF4XF(blob) {
		var o = {};
		o.ifnt = blob.read_shift(1); o.numFmtId = blob.read_shift(1); o.flags = blob.read_shift(2);
		o.fStyle = (o.flags >> 2) & 0x01;
		o.data = {}; // TODO
		return o;
	}

	/* [MS-XLS] 2.4.134 */
	function parse_Guts(blob) {
		blob.l += 4;
		var out = [blob.read_shift(2), blob.read_shift(2)];
		if (out[0] !== 0) out[0]--;
		if (out[1] !== 0) out[1]--;
		if (out[0] > 7 || out[1] > 7) throw new Error("Bad Gutters: " + out.join("|"));
		return out;
	}
	function write_Guts(guts) {
		var o = new_buf(8);
		o.write_shift(4, 0);
		o.write_shift(2, guts[0] ? guts[0] + 1 : 0);
		o.write_shift(2, guts[1] ? guts[1] + 1 : 0);
		return o;
	}

	/* [MS-XLS] 2.4.24 */
	function parse_BoolErr(blob, length, opts) {
		var cell = parse_XLSCell(blob, 6, opts);
		var val = parse_Bes(blob, 2);
		cell.val = val;
		cell.t = (val === true || val === false) ? 'b' : 'e';
		return cell;
	}
	function write_BoolErr(R, C, v, os, opts, t) {
		var o = new_buf(8);
		write_XLSCell(R, C, os, o);
		write_Bes(v, t, o);
		return o;
	}

	/* [MS-XLS] 2.4.180 Number */
	function parse_Number(blob, length, opts) {
		if (opts.biffguess && opts.biff == 2) opts.biff = 5;
		var cell = parse_XLSCell(blob, 6, opts);
		var xnum = parse_Xnum(blob, 8);
		cell.val = xnum;
		return cell;
	}
	function write_Number(R, C, v, os) {
		var o = new_buf(14);
		write_XLSCell(R, C, os, o);
		write_Xnum(v, o);
		return o;
	}

	var parse_XLHeaderFooter = parse_OptXLUnicodeString; // TODO: parse 2.4.136

	/* [MS-XLS] 2.4.271 */
	function parse_SupBook(blob, length, opts) {
		var end = blob.l + length;
		var ctab = blob.read_shift(2);
		var cch = blob.read_shift(2);
		opts.sbcch = cch;
		if (cch == 0x0401 || cch == 0x3A01) return [cch, ctab];
		if (cch < 0x01 || cch > 0xff) throw new Error("Unexpected SupBook type: " + cch);
		var virtPath = parse_XLUnicodeStringNoCch(blob, cch);
		/* TODO: 2.5.277 Virtual Path */
		var rgst = [];
		while (end > blob.l) rgst.push(parse_XLUnicodeString(blob));
		return [cch, ctab, virtPath, rgst];
	}

	/* [MS-XLS] 2.4.105 TODO */
	function parse_ExternName(blob, length, opts) {
		var flags = blob.read_shift(2);
		var body;
		var o = ({
			fBuiltIn: flags & 0x01,
			fWantAdvise: (flags >>> 1) & 0x01,
			fWantPict: (flags >>> 2) & 0x01,
			fOle: (flags >>> 3) & 0x01,
			fOleLink: (flags >>> 4) & 0x01,
			cf: (flags >>> 5) & 0x3FF,
			fIcon: flags >>> 15 & 0x01
		});
		if (opts.sbcch === 0x3A01) body = parse_AddinUdf(blob, length - 2, opts);
		//else throw new Error("unsupported SupBook cch: " + opts.sbcch);
		o.body = body || blob.read_shift(length - 2);
		if (typeof body === "string") o.Name = body;
		return o;
	}

	/* [MS-XLS] 2.4.150 TODO */
	function parse_Lbl(blob, length, opts) {
		var target = blob.l + length;
		var flags = blob.read_shift(2);
		var chKey = blob.read_shift(1);
		var cch = blob.read_shift(1);
		var cce = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		var itab = 0;
		if (!opts || opts.biff >= 5) {
			if (opts.biff != 5) blob.l += 2;
			itab = blob.read_shift(2);
			if (opts.biff == 5) blob.l += 2;
			blob.l += 4;
		}
		var name = parse_XLUnicodeStringNoCch(blob, cch, opts);
		if (flags & 0x20) name = XLSLblBuiltIn[name.charCodeAt(0)];
		var npflen = target - blob.l; if (opts && opts.biff == 2) --npflen;
		/*jshint -W018 */
		var rgce = (target == blob.l || cce === 0 || !(npflen > 0)) ? [] : parse_NameParsedFormula(blob, npflen, opts, cce);
		/*jshint +W018 */
		return {
			chKey: chKey,
			Name: name,
			itab: itab,
			rgce: rgce
		};
	}

	/* [MS-XLS] 2.4.106 TODO: legacy record filename encoding */
	function parse_ExternSheet(blob, length, opts) {
		if (opts.biff < 8) return parse_BIFF5ExternSheet(blob, length, opts);
		/* see issue 2907 */
		if (!(opts.biff > 8) && (length == blob[blob.l] + (blob[blob.l + 1] == 0x03 ? 1 : 0) + 1)) return parse_BIFF5ExternSheet(blob, length, opts);
		var o = [], target = blob.l + length, len = blob.read_shift(opts.biff > 8 ? 4 : 2);
		while (len-- !== 0) o.push(parse_XTI(blob, opts.biff > 8 ? 12 : 6, opts));
		// [iSupBook, itabFirst, itabLast];
		if (blob.l != target) throw new Error("Bad ExternSheet: " + blob.l + " != " + target);
		return o;
	}
	function parse_BIFF5ExternSheet(blob, length, opts) {
		if (blob[blob.l + 1] == 0x03) blob[blob.l]++;
		var o = parse_ShortXLUnicodeString(blob, length, opts);
		return o.charCodeAt(0) == 0x03 ? o.slice(1) : o;
	}

	/* [MS-XLS] 2.4.176 TODO: check older biff */
	function parse_NameCmt(blob, length, opts) {
		if (opts.biff < 8) { blob.l += length; return; }
		var cchName = blob.read_shift(2);
		var cchComment = blob.read_shift(2);
		var name = parse_XLUnicodeStringNoCch(blob, cchName, opts);
		var comment = parse_XLUnicodeStringNoCch(blob, cchComment, opts);
		return [name, comment];
	}

	/* [MS-XLS] 2.4.260 */
	function parse_ShrFmla(blob, length, opts) {
		var ref = parse_RefU(blob, 6);
		blob.l++;
		var cUse = blob.read_shift(1);
		length -= 8;
		return [parse_SharedParsedFormula(blob, length, opts), cUse, ref];
	}

	/* [MS-XLS] 2.4.4 TODO */
	function parse_Array(blob, length, opts) {
		var ref = parse_Ref(blob, 6);
		/* TODO: fAlwaysCalc */
		switch (opts.biff) {
			case 2: blob.l++; length -= 7; break;
			case 3: case 4: blob.l += 2; length -= 8; break;
			default: blob.l += 6; length -= 12;
		}
		return [ref, parse_ArrayParsedFormula(blob, length, opts, ref)];
	}

	/* [MS-XLS] 2.4.173 */
	function parse_MTRSettings(blob) {
		var fMTREnabled = blob.read_shift(4) !== 0x00;
		var fUserSetThreadCount = blob.read_shift(4) !== 0x00;
		var cUserThreadCount = blob.read_shift(4);
		return [fMTREnabled, fUserSetThreadCount, cUserThreadCount];
	}

	/* [MS-XLS] 2.5.186 */
	function parse_NoteSh(blob, length, opts) {
		var row = blob.read_shift(2), col = blob.read_shift(2);
		var flags = blob.read_shift(2), idObj = blob.read_shift(2);
		var stAuthor = parse_XLUnicodeString2(blob, 0, opts);
		return [{ r: row, c: col }, stAuthor, idObj, flags];
	}

	/* [MS-XLS] 2.4.179 */
	function parse_Note(blob, length, opts) {
		if (opts && (opts.biff < 8)) {
			var row = blob.read_shift(2), col = blob.read_shift(2);
			if (row == 0xFFFF || row == -1) return; // TODO: test continuation
			var cch = blob.read_shift(2);
			var cmnt = blob.read_shift(Math.min(cch, 2048), 'cpstr');
			return [{ r: row, c: col }, cmnt];
		}
		/* TODO: Support revisions */
		return parse_NoteSh(blob, length, opts);
	}
	function write_NOTE_BIFF2(text, R, C, len/*?:number*/) {
		var o = new_buf(6 + (len || text.length));
		o.write_shift(2, R);
		o.write_shift(2, C);
		o.write_shift(2, len || text.length);
		o.write_shift(text.length, text, "sbcs");
		return o;
	}

	/* [MS-XLS] 2.4.168 */
	function parse_MergeCells(blob, length) {
		var merges = [];
		var cmcs = blob.read_shift(2);
		while (cmcs--) merges.push(parse_Ref8U(blob, length));
		return merges;
	}
	function write_MergeCells(merges) {
		var o = new_buf(2 + merges.length * 8);
		o.write_shift(2, merges.length);
		for (var i = 0; i < merges.length; ++i) write_Ref8U(merges[i], o);
		return o;
	}

	/* [MS-XLS] 2.4.181 TODO: parse all the things! */
	function parse_Obj(blob, length, opts) {
		if (opts && opts.biff < 8) return parse_BIFF5Obj(blob, length, opts);
		var cmo = parse_FtCmo(blob, 22); // id, ot, flags
		var fts = parse_FtArray(blob, length - 22, cmo[1]);
		return { cmo: cmo, ft: fts };
	}
	/* from older spec */
	var parse_BIFF5OT = {
		0x08: function (blob, length) {
			var tgt = blob.l + length;
			blob.l += 10; // todo
			var cf = blob.read_shift(2);
			blob.l += 4;
			blob.l += 2; //var cbPictFmla = blob.read_shift(2);
			blob.l += 2;
			blob.l += 2; //var grbit = blob.read_shift(2);
			blob.l += 4;
			var cchName = blob.read_shift(1);
			blob.l += cchName; // TODO: stName
			blob.l = tgt; // TODO: fmla
			return { fmt: cf };
		}
	};

	function parse_BIFF5Obj(blob, length, opts) {
		blob.l += 4; //var cnt = blob.read_shift(4);
		var ot = blob.read_shift(2);
		var id = blob.read_shift(2);
		var grbit = blob.read_shift(2);
		blob.l += 2; //var colL = blob.read_shift(2);
		blob.l += 2; //var dxL = blob.read_shift(2);
		blob.l += 2; //var rwT = blob.read_shift(2);
		blob.l += 2; //var dyT = blob.read_shift(2);
		blob.l += 2; //var colR = blob.read_shift(2);
		blob.l += 2; //var dxR = blob.read_shift(2);
		blob.l += 2; //var rwB = blob.read_shift(2);
		blob.l += 2; //var dyB = blob.read_shift(2);
		blob.l += 2; //var cbMacro = blob.read_shift(2);
		blob.l += 6;
		length -= 36;
		var fts = [];
		fts.push((parse_BIFF5OT[ot] || parsenoop)(blob, length, opts));
		return { cmo: [id, ot, grbit], ft: fts };
	}

	/* [MS-XLS] 2.4.329 TODO: parse properly */
	function parse_TxO(blob, length, opts) {
		var s = blob.l;
		var texts = "";
		try {
			blob.l += 4;
			var ot = (opts.lastobj || { cmo: [0, 0] }).cmo[1];
			var controlInfo; // eslint-disable-line no-unused-vars
			if ([0, 5, 7, 11, 12, 14].indexOf(ot) == -1) blob.l += 6;
			else controlInfo = parse_ControlInfo(blob, 6, opts); // eslint-disable-line no-unused-vars
			var cchText = blob.read_shift(2);
	/*var cbRuns = */blob.read_shift(2);
	/*var ifntEmpty = */parseuint16(blob, 2);
			var len = blob.read_shift(2);
			blob.l += len;
			//var fmla = parse_ObjFmla(blob, s + length - blob.l);

			for (var i = 1; i < blob.lens.length - 1; ++i) {
				if (blob.l - s != blob.lens[i]) throw new Error("TxO: bad continue record");
				var hdr = blob[blob.l];
				var t = parse_XLUnicodeStringNoCch(blob, blob.lens[i + 1] - blob.lens[i] - 1);
				texts += t;
				if (texts.length >= (hdr ? cchText : 2 * cchText)) break;
			}
			if (texts.length !== cchText && texts.length !== cchText * 2) {
				throw new Error("cchText: " + cchText + " != " + texts.length);
			}

			blob.l = s + length;
			/* [MS-XLS] 2.5.272 TxORuns */
			//	var rgTxoRuns = [];
			//	for(var j = 0; j != cbRuns/8-1; ++j) blob.l += 8;
			//	var cchText2 = blob.read_shift(2);
			//	if(cchText2 !== cchText) throw new Error("TxOLastRun mismatch: " + cchText2 + " " + cchText);
			//	blob.l += 6;
			//	if(s + length != blob.l) throw new Error("TxO " + (s + length) + ", at " + blob.l);
			return { t: texts };
		} catch (e) { blob.l = s + length; return { t: texts }; }
	}

	/* [MS-XLS] 2.4.140 */
	function parse_HLink(blob, length) {
		var ref = parse_Ref8U(blob, 8);
		blob.l += 16; /* CLSID */
		var hlink = parse_Hyperlink(blob, length - 24);
		return [ref, hlink];
	}
	function write_HLink(hl) {
		var O = new_buf(24);
		var ref = decode_cell(hl[0]);
		O.write_shift(2, ref.r); O.write_shift(2, ref.r);
		O.write_shift(2, ref.c); O.write_shift(2, ref.c);
		var clsid = "d0 c9 ea 79 f9 ba ce 11 8c 82 00 aa 00 4b a9 0b".split(" ");
		for (var i = 0; i < 16; ++i) O.write_shift(1, parseInt(clsid[i], 16));
		return bconcat([O, write_Hyperlink(hl[1])]);
	}


	/* [MS-XLS] 2.4.141 */
	function parse_HLinkTooltip(blob, length) {
		blob.read_shift(2);
		var ref = parse_Ref8U(blob, 8);
		var wzTooltip = blob.read_shift((length - 10) / 2, 'dbcs-cont');
		wzTooltip = wzTooltip.replace(chr0, "");
		return [ref, wzTooltip];
	}
	function write_HLinkTooltip(hl) {
		var TT = hl[1].Tooltip;
		var O = new_buf(10 + 2 * (TT.length + 1));
		O.write_shift(2, 0x0800);
		var ref = decode_cell(hl[0]);
		O.write_shift(2, ref.r); O.write_shift(2, ref.r);
		O.write_shift(2, ref.c); O.write_shift(2, ref.c);
		for (var i = 0; i < TT.length; ++i) O.write_shift(2, TT.charCodeAt(i));
		O.write_shift(2, 0);
		return O;
	}

	/* [MS-XLS] 2.4.63 */
	function parse_Country(blob) {
		var o = [0, 0], d;
		d = blob.read_shift(2); o[0] = CountryEnum[d] || d;
		d = blob.read_shift(2); o[1] = CountryEnum[d] || d;
		return o;
	}
	function write_Country(o) {
		if (!o) o = new_buf(4);
		o.write_shift(2, 0x01);
		o.write_shift(2, 0x01);
		return o;
	}

	/* [MS-XLS] 2.4.50 ClrtClient */
	function parse_ClrtClient(blob) {
		var ccv = blob.read_shift(2);
		var o = [];
		while (ccv-- > 0) o.push(parse_LongRGB(blob, 8));
		return o;
	}

	/* [MS-XLS] 2.4.188 */
	function parse_Palette(blob) {
		var ccv = blob.read_shift(2);
		var o = [];
		while (ccv-- > 0) o.push(parse_LongRGB(blob, 8));
		return o;
	}

	/* [MS-XLS] 2.4.354 */
	function parse_XFCRC(blob) {
		blob.l += 2;
		var o = { cxfs: 0, crc: 0 };
		o.cxfs = blob.read_shift(2);
		o.crc = blob.read_shift(4);
		return o;
	}

	/* [MS-XLS] 2.4.53 TODO: parse flags */
	/* [MS-XLSB] 2.4.323 TODO: parse flags */
	function parse_ColInfo(blob, length, opts) {
		if (!opts.cellStyles) return parsenoop(blob, length);
		var w = opts && opts.biff >= 12 ? 4 : 2;
		var colFirst = blob.read_shift(w);
		var colLast = blob.read_shift(w);
		var coldx = blob.read_shift(w);
		var ixfe = blob.read_shift(w);
		var flags = blob.read_shift(2);
		if (w == 2) blob.l += 2;
		var o = ({ s: colFirst, e: colLast, w: coldx, ixfe: ixfe, flags: flags });
		if (opts.biff >= 5 || !opts.biff) o.level = (flags >> 8) & 0x7;
		return o;
	}
	function write_ColInfo(col, idx) {
		var o = new_buf(12);
		o.write_shift(2, idx);
		o.write_shift(2, idx);
		o.write_shift(2, col.width * 256);
		o.write_shift(2, 0);
		var f = 0;
		if (col.hidden) f |= 1;
		o.write_shift(1, f);
		f = col.level || 0;
		o.write_shift(1, f);
		o.write_shift(2, 0);
		return o;
	}

	/* [MS-XLS] 2.4.257 */
	function parse_Setup(blob, length) {
		var o = {};
		if (length < 32) return o;
		blob.l += 16;
		o.header = parse_Xnum(blob, 8);
		o.footer = parse_Xnum(blob, 8);
		blob.l += 2;
		return o;
	}

	/* [MS-XLS] 2.4.261 */
	function parse_ShtProps(blob, length, opts) {
		var def = { area: false };
		if (opts.biff != 5) { blob.l += length; return def; }
		var d = blob.read_shift(1); blob.l += 3;
		if ((d & 0x10)) def.area = true;
		return def;
	}

	/* [MS-XLS] 2.4.241 */
	function write_RRTabId(n) {
		var out = new_buf(2 * n);
		for (var i = 0; i < n; ++i) out.write_shift(2, i + 1);
		return out;
	}

	var parse_Blank = parse_XLSCell; /* [MS-XLS] 2.4.20 Just the cell */
	var parse_Scl = parseuint16a; /* [MS-XLS] 2.4.247 num, den */
	var parse_String = parse_XLUnicodeString; /* [MS-XLS] 2.4.268 */

	/* --- Specific to versions before BIFF8 --- */
	function parse_ImData(blob) {
		var cf = blob.read_shift(2);
		var env = blob.read_shift(2);
		var lcb = blob.read_shift(4);
		var o = { fmt: cf, env: env, len: lcb, data: blob.slice(blob.l, blob.l + lcb) };
		blob.l += lcb;
		return o;
	}

	function write_BIFF2Cell(out, r, c, ixfe, ifmt) {
		if (!out) out = new_buf(7);
		out.write_shift(2, r);
		out.write_shift(2, c);
		out.write_shift(1, ixfe || 0/* & 0x3F */);
		out.write_shift(1, ifmt || 0/* & 0x3F */);
		out.write_shift(1, 0);
		return out;
	}

	/* BIFF2_??? where ??? is the name from [XLS] */
	function parse_BIFF2STR(blob, length, opts) {
		if (opts.biffguess && opts.biff == 5) opts.biff = 2;
		var cell = parse_XLSCell(blob, 7, opts);
		var str = parse_XLUnicodeString2(blob, length - 7, opts);
		cell.t = 'str';
		cell.val = str;
		return cell;
	}

	function parse_BIFF2NUM(blob, length, opts) {
		var cell = parse_XLSCell(blob, 7, opts);
		var num = parse_Xnum(blob, 8);
		cell.t = 'n';
		cell.val = num;
		return cell;
	}
	function write_BIFF2NUM(r, c, val, ixfe, ifmt) {
		var out = new_buf(15);
		write_BIFF2Cell(out, r, c, ixfe || 0, ifmt || 0);
		out.write_shift(8, val, 'f');
		return out;
	}

	function parse_BIFF2INT(blob, length, opts) {
		var cell = parse_XLSCell(blob, 7, opts);
		var num = blob.read_shift(2);
		cell.t = 'n';
		cell.val = num;
		return cell;
	}
	function write_BIFF2INT(r, c, val, ixfe, ifmt) {
		var out = new_buf(9);
		write_BIFF2Cell(out, r, c, ixfe || 0, ifmt || 0);
		out.write_shift(2, val);
		return out;
	}

	function parse_BIFF2STRING(blob) {
		var cch = blob.read_shift(1);
		if (cch === 0) { blob.l++; return ""; }
		return blob.read_shift(cch, 'sbcs-cont');
	}

	function parse_BIFF2BOOLERR(blob, length, opts) {
		var bestart = blob.l + 7;
		var cell = parse_XLSCell(blob, 6, opts);
		blob.l = bestart;
		var val = parse_Bes(blob, 2);
		cell.val = val;
		cell.t = (val === true || val === false) ? 'b' : 'e';
		return cell;
	}

	/* TODO: convert to BIFF8 font struct */
	function parse_BIFF2FONTXTRA(blob, length) {
		blob.l += 6; // unknown
		blob.l += 2; // font weight "bls"
		blob.l += 1; // charset
		blob.l += 3; // unknown
		blob.l += 1; // font family
		blob.l += length - 13;
	}

	/* TODO: parse rich text runs */
	function parse_RString(blob, length, opts) {
		var end = blob.l + length;
		var cell = parse_XLSCell(blob, 6, opts);
		var cch = blob.read_shift(2);
		var str = parse_XLUnicodeStringNoCch(blob, cch, opts);
		blob.l = end;
		cell.t = 'str';
		cell.val = str;
		return cell;
	}

	function parse_BIFF4SheetInfo(blob) {
		var flags = blob.read_shift(4);
		var cch = blob.read_shift(1), name = blob.read_shift(cch, "sbcs");
		if (name.length === 0) name = "Sheet1";
		return { flags: flags, name: name };
	} var DBF_SUPPORTED_VERSIONS = [0x02, 0x03, 0x30, 0x31, 0x83, 0x8B, 0x8C, 0xF5];
	var DBF = (function () {
		var dbf_codepage_map = {
			/* Code Pages Supported by Visual FoxPro */
			0x01: 437, 0x02: 850,
			0x03: 1252, 0x04: 10000,
			0x64: 852, 0x65: 866,
			0x66: 865, 0x67: 861,
			0x68: 895, 0x69: 620,
			0x6A: 737, 0x6B: 857,
			0x78: 950, 0x79: 949,
			0x7A: 936, 0x7B: 932,
			0x7C: 874, 0x7D: 1255,
			0x7E: 1256, 0x96: 10007,
			0x97: 10029, 0x98: 10006,
			0xC8: 1250, 0xC9: 1251,
			0xCA: 1254, 0xCB: 1253,

			/* shapefile DBF extension */
			0x00: 20127, 0x08: 865,
			0x09: 437, 0x0A: 850,
			0x0B: 437, 0x0D: 437,
			0x0E: 850, 0x0F: 437,
			0x10: 850, 0x11: 437,
			0x12: 850, 0x13: 932,
			0x14: 850, 0x15: 437,
			0x16: 850, 0x17: 865,
			0x18: 437, 0x19: 437,
			0x1A: 850, 0x1B: 437,
			0x1C: 863, 0x1D: 850,
			0x1F: 852, 0x22: 852,
			0x23: 852, 0x24: 860,
			0x25: 850, 0x26: 866,
			0x37: 850, 0x40: 852,
			0x4D: 936, 0x4E: 949,
			0x4F: 950, 0x50: 874,
			0x57: 1252, 0x58: 1252,
			0x59: 1252, 0x6C: 863,
			0x86: 737, 0x87: 852,
			0x88: 857, 0xCC: 1257,

			0xFF: 16969
		};
		var dbf_reverse_map = evert({
			0x01: 437, 0x02: 850,
			0x03: 1252, 0x04: 10000,
			0x64: 852, 0x65: 866,
			0x66: 865, 0x67: 861,
			0x68: 895, 0x69: 620,
			0x6A: 737, 0x6B: 857,
			0x78: 950, 0x79: 949,
			0x7A: 936, 0x7B: 932,
			0x7C: 874, 0x7D: 1255,
			0x7E: 1256, 0x96: 10007,
			0x97: 10029, 0x98: 10006,
			0xC8: 1250, 0xC9: 1251,
			0xCA: 1254, 0xCB: 1253,
			0x00: 20127
		});
		/* TODO: find an actual specification */
		function dbf_to_aoa(buf, opts) {
			var out = [];
			var d = (new_raw_buf(1));
			switch (opts.type) {
				case 'base64': d = s2a(Base64_decode(buf)); break;
				case 'binary': d = s2a(buf); break;
				case 'buffer':
				case 'array': d = buf; break;
			}
			prep_blob(d, 0);

			/* header */
			var ft = d.read_shift(1);
			var memo = !!(ft & 0x88);
			var vfp = false, l7 = false;
			switch (ft) {
				case 0x02: break; // dBASE II
				case 0x03: break; // dBASE III
				case 0x30: vfp = true; memo = true; break; // VFP
				case 0x31: vfp = true; memo = true; break; // VFP with autoincrement
				// 0x43 dBASE IV SQL table files
				// 0x63 dBASE IV SQL system files
				case 0x83: break; // dBASE III with memo
				case 0x8B: break; // dBASE IV with memo
				case 0x8C: l7 = true; break; // dBASE Level 7 with memo
				// case 0xCB dBASE IV SQL table files with memo
				case 0xF5: break; // FoxPro 2.x with memo
				// case 0xFB FoxBASE
				default: throw new Error("DBF Unsupported Version: " + ft.toString(16));
			}

			var nrow = 0, fpos = 0x0209;
			if (ft == 0x02) nrow = d.read_shift(2);
			d.l += 3; // dBASE II stores DDMMYY date, others use YYMMDD
			if (ft != 0x02) nrow = d.read_shift(4);
			if (nrow > 1048576) nrow = 1e6;

			if (ft != 0x02) fpos = d.read_shift(2); // header length
			var rlen = d.read_shift(2); // record length

			var /*flags = 0,*/ current_cp = opts.codepage || 1252;
			if (ft != 0x02) { // 20 reserved bytes
				d.l += 16;
		/*flags = */d.read_shift(1);
				//if(memo && ((flags & 0x02) === 0)) throw new Error("DBF Flags " + flags.toString(16) + " ft " + ft.toString(16));

				/* codepage present in FoxPro and dBASE Level 7 */
				if (d[d.l] !== 0) current_cp = dbf_codepage_map[d[d.l]];
				d.l += 1;

				d.l += 2;
			}
			if (l7) d.l += 36; // Level 7: 32 byte "Language driver name", 4 byte reserved

			var fields = [], field = ({});
			var hend = Math.min(d.length, (ft == 0x02 ? 0x209 : (fpos - 10 - (vfp ? 264 : 0))));
			var ww = l7 ? 32 : 11;
			while (d.l < hend && d[d.l] != 0x0d) {
				field = ({});
				field.name = (typeof $cptable !== "undefined" ? $cptable.utils.decode(current_cp, d.slice(d.l, d.l + ww)) : a2s(d.slice(d.l, d.l + ww))).replace(/[\u0000\r\n][\S\s]*$/g, "");
				d.l += ww;
				field.type = String.fromCharCode(d.read_shift(1));
				if (ft != 0x02 && !l7) field.offset = d.read_shift(4);
				field.len = d.read_shift(1);
				if (ft == 0x02) field.offset = d.read_shift(2);
				field.dec = d.read_shift(1);
				if (field.name.length) fields.push(field);
				if (ft != 0x02) d.l += l7 ? 13 : 14;
				switch (field.type) {
					case 'B': // Double (VFP) / Binary (dBASE L7)
						if ((!vfp || field.len != 8) && opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
						break;
					case 'G': // General (FoxPro and dBASE L7)
					case 'P': // Picture (FoxPro and dBASE L7)
						if (opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
						break;
					case '+': // Autoincrement (dBASE L7 only)
					case '0': // _NullFlags (VFP only)
					case '@': // Timestamp (dBASE L7 only)
					case 'C': // Character (dBASE II)
					case 'D': // Date (dBASE III)
					case 'F': // Float (dBASE IV)
					case 'I': // Long (VFP and dBASE L7)
					case 'L': // Logical (dBASE II)
					case 'M': // Memo (dBASE III)
					case 'N': // Number (dBASE II)
					case 'O': // Double (dBASE L7 only)
					case 'T': // Datetime (VFP only)
					case 'Y': // Currency (VFP only)
						break;
					default: throw new Error('Unknown Field Type: ' + field.type);
				}
			}

			if (d[d.l] !== 0x0D) d.l = fpos - 1;
			if (d.read_shift(1) !== 0x0D) throw new Error("DBF Terminator not found " + d.l + " " + d[d.l]);
			d.l = fpos;

			/* data */
			var R = 0, C = 0;
			out[0] = [];
			for (C = 0; C != fields.length; ++C) out[0][C] = fields[C].name;
			while (nrow-- > 0) {
				if (d[d.l] === 0x2A) {
					// TODO: record marked as deleted -- create a hidden row?
					d.l += rlen;
					continue;
				}
				++d.l;
				out[++R] = []; C = 0;
				for (C = 0; C != fields.length; ++C) {
					var dd = d.slice(d.l, d.l + fields[C].len); d.l += fields[C].len;
					prep_blob(dd, 0);
					var s = typeof $cptable !== "undefined" ? $cptable.utils.decode(current_cp, dd) : a2s(dd);
					switch (fields[C].type) {
						case 'C':
							// NOTE: it is conventional to write '  /  /  ' for empty dates
							if (s.trim().length) out[R][C] = s.replace(/([^\s])\s+$/, "$1");
							break;
						case 'D':
							if (s.length === 8) {
								out[R][C] = new Date(Date.UTC(+s.slice(0, 4), +s.slice(4, 6) - 1, +s.slice(6, 8), 0, 0, 0, 0));
								if (!(opts && opts.UTC)) { out[R][C] = utc_to_local(out[R][C]); }
							}
							else out[R][C] = s;
							break;
						case 'F': out[R][C] = parseFloat(s.trim()); break;
						case '+': case 'I': out[R][C] = l7 ? dd.read_shift(-4, 'i') ^ 0x80000000 : dd.read_shift(4, 'i'); break;
						case 'L': switch (s.trim().toUpperCase()) {
							case 'Y': case 'T': out[R][C] = true; break;
							case 'N': case 'F': out[R][C] = false; break;
							case '': case '\x00': case '?': break;
							default: throw new Error("DBF Unrecognized L:|" + s + "|");
						} break;
						case 'M': /* TODO: handle memo files */
							if (!memo) throw new Error("DBF Unexpected MEMO for type " + ft.toString(16));
							out[R][C] = "##MEMO##" + (l7 ? parseInt(s.trim(), 10) : dd.read_shift(4));
							break;
						case 'N':
							s = s.replace(/\u0000/g, "").trim();
							// NOTE: dBASE II interprets "  .  " as 0
							if (s && s != ".") out[R][C] = +s || 0; break;
						case '@':
							// NOTE: dBASE specs appear to be incorrect
							out[R][C] = new Date(dd.read_shift(-8, 'f') - 0x388317533400);
							break;
						case 'T': {
							var hi = dd.read_shift(4), lo = dd.read_shift(4);
							if (hi == 0 && lo == 0) break;
							out[R][C] = new Date((hi - 0x253D8C) * 0x5265C00 + lo);
							if (!(opts && opts.UTC)) out[R][C] = utc_to_local(out[R][C]);
						} break;
						case 'Y': out[R][C] = dd.read_shift(4, 'i') / 1e4 + (dd.read_shift(4, 'i') / 1e4) * Math.pow(2, 32); break;
						case 'O': out[R][C] = -dd.read_shift(-8, 'f'); break;
						case 'B': if (vfp && fields[C].len == 8) { out[R][C] = dd.read_shift(8, 'f'); break; }
						/* falls through */
						case 'G': case 'P': dd.l += fields[C].len; break;
						case '0':
							if (fields[C].name === '_NullFlags') break;
						/* falls through */
						default: throw new Error("DBF Unsupported data type " + fields[C].type);
					}
				}
			}
			if (ft != 0x02) if (d.l < d.length && d[d.l++] != 0x1A) throw new Error("DBF EOF Marker missing " + (d.l - 1) + " of " + d.length + " " + d[d.l - 1].toString(16));
			if (opts && opts.sheetRows) out = out.slice(0, opts.sheetRows);
			opts.DBF = fields;
			return out;
		}

		function dbf_to_sheet(buf, opts) {
			var o = opts || {};
			if (!o.dateNF) o.dateNF = "yyyymmdd";
			var ws = aoa_to_sheet(dbf_to_aoa(buf, o), o);
			ws["!cols"] = o.DBF.map(function (field) {
				return {
					wch: field.len,
					DBF: field
				};
			});
			delete o.DBF;
			return ws;
		}

		function dbf_to_workbook(buf, opts) {
			try {
				var o = sheet_to_workbook(dbf_to_sheet(buf, opts), opts);
				o.bookType = "dbf";
				return o;
			} catch (e) { if (opts && opts.WTF) throw e; }
			return ({ SheetNames: [], Sheets: {} });
		}

		var _RLEN = { 'B': 8, 'C': 250, 'L': 1, 'D': 8, '?': 0, '': 0 };
		function sheet_to_dbf(ws, opts) {
			if (!ws["!ref"]) throw new Error("Cannot export empty sheet to DBF");
			var o = opts || {};
			var old_cp = current_codepage;
			if (+o.codepage >= 0) set_cp(+o.codepage);
			if (o.type == "string") throw new Error("Cannot write DBF to JS string");
			var ba = buf_array();
			var aoa = sheet_to_json(ws, { header: 1, raw: true, cellDates: true });
			var headers = aoa[0], data = aoa.slice(1), cols = ws["!cols"] || [];
			var i = 0, j = 0, hcnt = 0, rlen = 1;
			for (i = 0; i < headers.length; ++i) {
				if (((cols[i] || {}).DBF || {}).name) { headers[i] = cols[i].DBF.name; ++hcnt; continue; }
				if (headers[i] == null) continue;
				++hcnt;
				if (typeof headers[i] === 'number') headers[i] = headers[i].toString(10);
				if (typeof headers[i] !== 'string') throw new Error("DBF Invalid column name " + headers[i] + " |" + (typeof headers[i]) + "|");
				if (headers.indexOf(headers[i]) !== i) for (j = 0; j < 1024; ++j)
					if (headers.indexOf(headers[i] + "_" + j) == -1) { headers[i] += "_" + j; break; }
			}
			var range = safe_decode_range(ws['!ref']);
			var coltypes = [];
			var colwidths = [];
			var coldecimals = [];
			for (i = 0; i <= range.e.c - range.s.c; ++i) {
				var guess = '', _guess = '', maxlen = 0;
				var col = [];
				for (j = 0; j < data.length; ++j) {
					if (data[j][i] != null) col.push(data[j][i]);
				}
				if (col.length == 0 || headers[i] == null) { coltypes[i] = '?'; continue; }
				for (j = 0; j < col.length; ++j) {
					switch (typeof col[j]) {
						/* TODO: check if L2 compat is desired */
						case 'number': _guess = 'B'; break;
						case 'string': _guess = 'C'; break;
						case 'boolean': _guess = 'L'; break;
						case 'object': _guess = col[j] instanceof Date ? 'D' : 'C'; break;
						default: _guess = 'C';
					}
					/* TODO: cache the values instead of encoding twice */
					maxlen = Math.max(maxlen, (typeof $cptable !== "undefined" && typeof col[j] == "string" ? $cptable.utils.encode(current_ansi, col[j]) : String(col[j])).length);
					guess = guess && guess != _guess ? 'C' : _guess;
					//if(guess == 'C') break;
				}
				if (maxlen > 250) maxlen = 250;
				_guess = ((cols[i] || {}).DBF || {}).type;
				/* TODO: more fine grained control over DBF type resolution */
				if (_guess == 'C') {
					if (cols[i].DBF.len > maxlen) maxlen = cols[i].DBF.len;
				}
				if (guess == 'B' && _guess == 'N') {
					guess = 'N';
					coldecimals[i] = cols[i].DBF.dec;
					maxlen = cols[i].DBF.len;
				}
				colwidths[i] = guess == 'C' || _guess == 'N' ? maxlen : (_RLEN[guess] || 0);
				rlen += colwidths[i];
				coltypes[i] = guess;
			}

			var h = ba.next(32);
			h.write_shift(4, 0x13021130);
			h.write_shift(4, data.length);
			h.write_shift(2, 296 + 32 * hcnt);
			h.write_shift(2, rlen);
			for (i = 0; i < 4; ++i) h.write_shift(4, 0);
			var cp = +dbf_reverse_map[current_codepage] || 0x03;
			h.write_shift(4, 0x00000000 | (cp << 8));
			if (dbf_codepage_map[cp] != +o.codepage) {
				if (o.codepage) console.error("DBF Unsupported codepage " + current_codepage + ", using 1252");
				current_codepage = 1252;
			}

			for (i = 0, j = 0; i < headers.length; ++i) {
				if (headers[i] == null) continue;
				var hf = ba.next(32);
				/* TODO: test how applications handle non-ASCII field names */
				var _f = (headers[i].slice(-10) + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00").slice(0, 11);
				hf.write_shift(1, _f, "sbcs");
				hf.write_shift(1, coltypes[i] == '?' ? 'C' : coltypes[i], "sbcs");
				hf.write_shift(4, j);
				hf.write_shift(1, colwidths[i] || _RLEN[coltypes[i]] || 0);
				hf.write_shift(1, coldecimals[i] || 0);
				hf.write_shift(1, 0x02);
				hf.write_shift(4, 0);
				hf.write_shift(1, 0);
				hf.write_shift(4, 0);
				hf.write_shift(4, 0);
				j += (colwidths[i] || _RLEN[coltypes[i]] || 0);
			}

			var hb = ba.next(264);
			hb.write_shift(4, 0x0000000D);
			for (i = 0; i < 65; ++i) hb.write_shift(4, 0x00000000);
			for (i = 0; i < data.length; ++i) {
				var rout = ba.next(rlen);
				rout.write_shift(1, 0);
				for (j = 0; j < headers.length; ++j) {
					if (headers[j] == null) continue;
					switch (coltypes[j]) {
						case 'L': rout.write_shift(1, data[i][j] == null ? 0x3F : data[i][j] ? 0x54 : 0x46); break;
						case 'B': rout.write_shift(8, data[i][j] || 0, 'f'); break;
						case 'N':
							var _n = "0";
							if (typeof data[i][j] == "number") _n = data[i][j].toFixed(coldecimals[j] || 0);
							if (_n.length > colwidths[j]) _n = _n.slice(0, colwidths[j]); // addresses decimal > width
							for (hcnt = 0; hcnt < colwidths[j] - _n.length; ++hcnt) rout.write_shift(1, 0x20);
							rout.write_shift(1, _n, "sbcs");
							break;
						case 'D':
							if (!data[i][j]) rout.write_shift(8, "00000000", "sbcs");
							else {
								rout.write_shift(4, ("0000" + data[i][j].getFullYear()).slice(-4), "sbcs");
								rout.write_shift(2, ("00" + (data[i][j].getMonth() + 1)).slice(-2), "sbcs");
								rout.write_shift(2, ("00" + data[i][j].getDate()).slice(-2), "sbcs");
							} break;
						case 'C':
							var _l = rout.l;
							var _s = String(data[i][j] != null ? data[i][j] : "").slice(0, colwidths[j]);
							rout.write_shift(1, _s, "cpstr");
							_l += colwidths[j] - rout.l;
							for (hcnt = 0; hcnt < _l; ++hcnt) rout.write_shift(1, 0x20); break;
					}
				}
				// data
			}
			current_codepage = old_cp;
			ba.next(1).write_shift(1, 0x1A);
			return ba.end();
		}
		return {
			to_workbook: dbf_to_workbook,
			to_sheet: dbf_to_sheet,
			from_sheet: sheet_to_dbf
		};
	})();

	var SYLK = (function () {
		/* TODO: stress test sequences */
		var sylk_escapes = ({
			AA: 'À', BA: 'Á', CA: 'Â', DA: 195, HA: 'Ä', JA: 197,
			AE: 'È', BE: 'É', CE: 'Ê', HE: 'Ë',
			AI: 'Ì', BI: 'Í', CI: 'Î', HI: 'Ï',
			AO: 'Ò', BO: 'Ó', CO: 'Ô', DO: 213, HO: 'Ö',
			AU: 'Ù', BU: 'Ú', CU: 'Û', HU: 'Ü',
			Aa: 'à', Ba: 'á', Ca: 'â', Da: 227, Ha: 'ä', Ja: 229,
			Ae: 'è', Be: 'é', Ce: 'ê', He: 'ë',
			Ai: 'ì', Bi: 'í', Ci: 'î', Hi: 'ï',
			Ao: 'ò', Bo: 'ó', Co: 'ô', Do: 245, Ho: 'ö',
			Au: 'ù', Bu: 'ú', Cu: 'û', Hu: 'ü',
			KC: 'Ç', Kc: 'ç', q: 'æ', z: 'œ', a: 'Æ', j: 'Œ',
			DN: 209, Dn: 241, Hy: 255,
			S: 169, c: 170, R: 174, "B ": 180,
			0: 176, 1: 177, 2: 178,
			3: 179, 5: 181, 6: 182,
			7: 183, Q: 185, k: 186, b: 208, i: 216, l: 222, s: 240, y: 248,
			"!": 161, '"': 162, "#": 163, "(": 164, "%": 165, "'": 167, "H ": 168,
			"+": 171, ";": 187, "<": 188, "=": 189, ">": 190, "?": 191, "{": 223
		});
		var sylk_char_regex = new RegExp("\u001BN(" + keys(sylk_escapes).join("|").replace(/\|\|\|/, "|\\||").replace(/([?()+])/g, "\\$1").replace("{", "\\{") + "|\\|)", "gm");
		try {
			sylk_char_regex = new RegExp("\u001BN(" + keys(sylk_escapes).join("|").replace(/\|\|\|/, "|\\||").replace(/([?()+])/g, "\\$1") + "|\\|)", "gm");
		} catch (e) { }
		var sylk_char_fn = function (_, $1) { var o = sylk_escapes[$1]; return typeof o == "number" ? _getansi(o) : o; };
		var decode_sylk_char = function ($$, $1, $2) { var newcc = (($1.charCodeAt(0) - 0x20) << 4) | ($2.charCodeAt(0) - 0x30); return newcc == 59 ? $$ : _getansi(newcc); };
		sylk_escapes["|"] = 254;
		/* TODO: evert the escape map */
		var encode_sylk_str = function ($$) { return $$.replace(/\n/g, "\x1b :").replace(/\r/g, "\x1b ="); };
		/* https://oss.sheetjs.com/notes/sylk/ for more details */
		function sylk_to_aoa(d, opts) {
			switch (opts.type) {
				case 'base64': return sylk_to_aoa_str(Base64_decode(d), opts);
				case 'binary': return sylk_to_aoa_str(d, opts);
				case 'buffer': return sylk_to_aoa_str(has_buf && Buffer.isBuffer(d) ? d.toString('binary') : a2s(d), opts);
				case 'array': return sylk_to_aoa_str(cc2str(d), opts);
			}
			throw new Error("Unrecognized type " + opts.type);
		}
		function sylk_to_aoa_str(str, opts) {
			var records = str.split(/[\n\r]+/), R = -1, C = -1, ri = 0, rj = 0, arr = [];
			var formats = [];
			var next_cell_format = null;
			var sht = {}, rowinfo = [], colinfo = [], cw = [];
			var Mval = 0, j;
			var wb = { Workbook: { WBProps: {}, Names: [] } };
			if (+opts.codepage >= 0) set_cp(+opts.codepage);
			for (; ri !== records.length; ++ri) {
				Mval = 0;
				var rstr = records[ri].trim().replace(/\x1B([\x20-\x2F])([\x30-\x3F])/g, decode_sylk_char).replace(sylk_char_regex, sylk_char_fn);
				var record = rstr.replace(/;;/g, "\u0000").split(";").map(function (x) { return x.replace(/\u0000/g, ";"); });
				var RT = record[0], val;
				if (rstr.length > 0) switch (RT) {
					case 'ID': break; /* header */
					case 'E': break; /* EOF */
					case 'B': break; /* dimensions */
					case 'O': /* workbook options */
						for (rj = 1; rj < record.length; ++rj) switch (record[rj].charAt(0)) {
							case 'V': {
								var d1904 = parseInt(record[rj].slice(1), 10);
								// NOTE: it is technically an error if d1904 >= 5 or < 0
								if (d1904 >= 1 && d1904 <= 4) wb.Workbook.WBProps.date1904 = true;
							} break;
						} break;
					case 'W': break; /* window */
					case 'P':
						switch (record[1].charAt(0)) {
							case 'P': formats.push(rstr.slice(3).replace(/;;/g, ";")); break;
						} break;
					case 'NN': { /* defined name */
						var nn = { Sheet: 0 };
						for (rj = 1; rj < record.length; ++rj) switch (record[rj].charAt(0)) {
							case 'N': nn.Name = record[rj].slice(1); break;
							case 'E': nn.Ref = (opts && opts.sheet || "Sheet1") + "!" + rc_to_a1(record[rj].slice(1)); break;
						}
						wb.Workbook.Names.push(nn);
					} break;
					// case 'NE': // ??
					// case 'NU': // ??
					case 'C': /* cell */
						var C_seen_K = false, C_seen_X = false, C_seen_S = false, C_seen_E = false, _R = -1, _C = -1, formula = "", cell_t = "z";
						var cmnt = "";
						for (rj = 1; rj < record.length; ++rj) switch (record[rj].charAt(0)) {
							case 'A': cmnt = record[rj].slice(1); break; // TODO: comment
							case 'X': C = parseInt(record[rj].slice(1), 10) - 1; C_seen_X = true; break;
							case 'Y':
								R = parseInt(record[rj].slice(1), 10) - 1; if (!C_seen_X) C = 0;
								for (j = arr.length; j <= R; ++j) arr[j] = [];
								break;
							case 'K':
								val = record[rj].slice(1);
								if (val.charAt(0) === '"') { val = val.slice(1, val.length - 1); cell_t = "s"; }
								else if (val === 'TRUE' || val === 'FALSE') { val = val === 'TRUE'; cell_t = "b"; }
								else if (val.charAt(0) == "#" && RBErr[val] != null) { cell_t = "e"; val = RBErr[val]; }
								else if (!isNaN(fuzzynum(val))) {
									val = fuzzynum(val); cell_t = "n";
									if (next_cell_format !== null && fmt_is_date(next_cell_format) && opts.cellDates) {
										val = numdate(wb.Workbook.WBProps.date1904 ? val + 1462 : val); cell_t = typeof val == "number" ? "n" : "d";
									}
								}
								if (typeof $cptable !== 'undefined' && typeof val == "string" && ((opts || {}).type != "string") && (opts || {}).codepage) val = $cptable.utils.decode(opts.codepage, val);
								C_seen_K = true;
								break;
							case 'E':
								C_seen_E = true;
								formula = rc_to_a1(record[rj].slice(1), { r: R, c: C });
								break;
							case 'S':
								C_seen_S = true;
								break;
							case 'G': break; // unknown
							case 'R': _R = parseInt(record[rj].slice(1), 10) - 1; break;
							case 'C': _C = parseInt(record[rj].slice(1), 10) - 1; break;
							// case 'P': // ??
							// case 'D': // ??
							default: if (opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
						}
						if (C_seen_K) {
							if (!arr[R][C]) arr[R][C] = { t: cell_t, v: val };
							else { arr[R][C].t = cell_t; arr[R][C].v = val; }
							if (next_cell_format) arr[R][C].z = next_cell_format;
							if (opts.cellText !== false && next_cell_format) arr[R][C].w = SSF_format(arr[R][C].z, arr[R][C].v, { date1904: wb.Workbook.WBProps.date1904 });
							next_cell_format = null;
						}
						if (C_seen_S) {
							if (C_seen_E) throw new Error("SYLK shared formula cannot have own formula");
							var shrbase = _R > -1 && arr[_R][_C];
							if (!shrbase || !shrbase[1]) throw new Error("SYLK shared formula cannot find base");
							formula = shift_formula_str(shrbase[1], { r: R - _R, c: C - _C });
						}
						if (formula) {
							if (!arr[R][C]) arr[R][C] = { t: 'n', f: formula };
							else arr[R][C].f = formula;
						}
						if (cmnt) {
							if (!arr[R][C]) arr[R][C] = { t: 'z' };
							arr[R][C].c = [{ a: "SheetJSYLK", t: cmnt }];
						}
						break;
					case 'F': /* Format */
						var F_seen = 0;
						for (rj = 1; rj < record.length; ++rj) switch (record[rj].charAt(0)) {
							case 'X': C = parseInt(record[rj].slice(1), 10) - 1; ++F_seen; break;
							case 'Y':
								R = parseInt(record[rj].slice(1), 10) - 1; /*C = 0;*/
								for (j = arr.length; j <= R; ++j) arr[j] = [];
								break;
							case 'M': Mval = parseInt(record[rj].slice(1), 10) / 20; break;
							case 'F': break; /* ??? */
							case 'G': break; /* hide grid */
							case 'P':
								next_cell_format = formats[parseInt(record[rj].slice(1), 10)];
								break;
							case 'S': break; /* cell style */
							case 'D': break; /* column */
							case 'N': break; /* font */
							case 'W':
								cw = record[rj].slice(1).split(" ");
								for (j = parseInt(cw[0], 10); j <= parseInt(cw[1], 10); ++j) {
									Mval = parseInt(cw[2], 10);
									colinfo[j - 1] = Mval === 0 ? { hidden: true } : { wch: Mval };
								} break;
							case 'C': /* default column format */
								C = parseInt(record[rj].slice(1), 10) - 1;
								if (!colinfo[C]) colinfo[C] = {};
								break;
							case 'R': /* row properties */
								R = parseInt(record[rj].slice(1), 10) - 1;
								if (!rowinfo[R]) rowinfo[R] = {};
								if (Mval > 0) { rowinfo[R].hpt = Mval; rowinfo[R].hpx = pt2px(Mval); }
								else if (Mval === 0) rowinfo[R].hidden = true;
								break;
							// case 'K': // ??
							// case 'E': // ??
							default: if (opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
						}
						if (F_seen < 1) next_cell_format = null; break;
					default: if (opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
				}
			}
			if (rowinfo.length > 0) sht['!rows'] = rowinfo;
			if (colinfo.length > 0) sht['!cols'] = colinfo;
			colinfo.forEach(function (col) { process_col(col); });
			if (opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
			return [arr, sht, wb];
		}

		function sylk_to_workbook(d, opts) {
			var aoasht = sylk_to_aoa(d, opts);
			var aoa = aoasht[0], ws = aoasht[1], wb = aoasht[2];
			var _opts = dup(opts); _opts.date1904 = (((wb || {}).Workbook || {}).WBProps || {}).date1904;
			var o = aoa_to_sheet(aoa, _opts);
			keys(ws).forEach(function (k) { o[k] = ws[k]; });
			var outwb = sheet_to_workbook(o, opts);
			keys(wb).forEach(function (k) { outwb[k] = wb[k]; });
			outwb.bookType = "sylk";
			return outwb;
		}

		function write_ws_cell_sylk(cell, ws, R, C, opts, date1904) {
			var o = "C;Y" + (R + 1) + ";X" + (C + 1) + ";K";
			switch (cell.t) {
				case 'n':
					o += isFinite(cell.v) ? (cell.v || 0) : BErr[isNaN(cell.v) ? 0x24 : 0x07];
					if (cell.f && !cell.F) o += ";E" + a1_to_rc(cell.f, { r: R, c: C }); break;
				case 'b': o += cell.v ? "TRUE" : "FALSE"; break;
				case 'e': o += cell.w || BErr[cell.v] || cell.v; break;
				case 'd': o += datenum(parseDate(cell.v, date1904), date1904); break;
				case 's': o += '"' + (cell.v == null ? "" : String(cell.v)).replace(/"/g, "").replace(/;/g, ";;") + '"'; break;
			}
			return o;
		}

		function write_ws_cmnt_sylk(cmnt, R, C) {
			var o = "C;Y" + (R + 1) + ";X" + (C + 1) + ";A";
			/* TODO: max length? */
			o += encode_sylk_str(cmnt.map(function (c) { return c.t; }).join(""));
			return o;
		}

		function write_ws_cols_sylk(out, cols) {
			cols.forEach(function (col, i) {
				var rec = "F;W" + (i + 1) + " " + (i + 1) + " ";
				if (col.hidden) rec += "0";
				else {
					if (typeof col.width == 'number' && !col.wpx) col.wpx = width2px(col.width);
					if (typeof col.wpx == 'number' && !col.wch) col.wch = px2char(col.wpx);
					if (typeof col.wch == 'number') rec += Math.round(col.wch);
				}
				if (rec.charAt(rec.length - 1) != " ") out.push(rec);
			});
		}

		function write_ws_rows_sylk(out, rows) {
			rows.forEach(function (row, i) {
				var rec = "F;";
				if (row.hidden) rec += "M0;";
				else if (row.hpt) rec += "M" + 20 * row.hpt + ";";
				else if (row.hpx) rec += "M" + 20 * px2pt(row.hpx) + ";";
				if (rec.length > 2) out.push(rec + "R" + (i + 1));
			});
		}

		function sheet_to_sylk(ws, opts, wb) {
			if (!opts) opts = {}; opts._formats = ["General"];
			/* TODO: codepage */
			var preamble = ["ID;PSheetJS;N;E"], o = [];
			var r = safe_decode_range(ws['!ref'] || "A1"), cell;
			var dense = ws["!data"] != null;
			var RS = "\r\n";
			var d1904 = (((wb || {}).Workbook || {}).WBProps || {}).date1904;

			var _lastfmt = "General";
			preamble.push("P;PGeneral");
			/* Excel has been inconsistent in comment placement */
			var R = r.s.r, C = r.s.c, p = [];
			if (ws["!ref"]) for (R = r.s.r; R <= r.e.r; ++R) {
				if (dense && !ws["!data"][R]) continue;
				p = [];
				for (C = r.s.c; C <= r.e.c; ++C) {
					cell = dense ? ws["!data"][R][C] : ws[encode_col(C) + encode_row(R)];
					if (!cell || !cell.c) continue;
					p.push(write_ws_cmnt_sylk(cell.c, R, C));
				}
				if (p.length) o.push(p.join(RS));
			}
			if (ws["!ref"]) for (R = r.s.r; R <= r.e.r; ++R) {
				if (dense && !ws["!data"][R]) continue;
				p = [];
				for (C = r.s.c; C <= r.e.c; ++C) {
					cell = dense ? ws["!data"][R][C] : ws[encode_col(C) + encode_row(R)];
					if (!cell || (cell.v == null && (!cell.f || cell.F))) continue;
					if ((cell.z || (cell.t == "d" ? table_fmt[14] : "General")) != _lastfmt) {
						var ifmt = opts._formats.indexOf(cell.z);
						if (ifmt == -1) { opts._formats.push(cell.z); ifmt = opts._formats.length - 1; preamble.push("P;P" + cell.z.replace(/;/g, ";;")); }
						p.push("F;P" + ifmt + ";Y" + (R + 1) + ";X" + (C + 1));
					}
					p.push(write_ws_cell_sylk(cell, ws, R, C, opts, d1904));
				}
				o.push(p.join(RS));
			}

			preamble.push("F;P0;DG0G8;M255");
			if (ws['!cols']) write_ws_cols_sylk(preamble, ws['!cols']);
			if (ws['!rows']) write_ws_rows_sylk(preamble, ws['!rows']);

			if (ws["!ref"]) preamble.push("B;Y" + (r.e.r - r.s.r + 1) + ";X" + (r.e.c - r.s.c + 1) + ";D" + [r.s.c, r.s.r, r.e.c, r.e.r].join(" "));
			preamble.push("O;L;D;B" + (d1904 ? ";V4" : "") + ";K47;G100 0.001");

			delete opts._formats;
			return preamble.join(RS) + RS + o.join(RS) + RS + "E" + RS;
		}

		return {
			to_workbook: sylk_to_workbook,
			from_sheet: sheet_to_sylk
		};
	})();

	var DIF = (function () {
		function dif_to_aoa(d, opts) {
			switch (opts.type) {
				case 'base64': return dif_to_aoa_str(Base64_decode(d), opts);
				case 'binary': return dif_to_aoa_str(d, opts);
				case 'buffer': return dif_to_aoa_str(has_buf && Buffer.isBuffer(d) ? d.toString('binary') : a2s(d), opts);
				case 'array': return dif_to_aoa_str(cc2str(d), opts);
			}
			throw new Error("Unrecognized type " + opts.type);
		}
		function dif_to_aoa_str(str, opts) {
			var records = str.split('\n'), R = -1, C = -1, ri = 0, arr = [];
			for (; ri !== records.length; ++ri) {
				if (records[ri].trim() === 'BOT') { arr[++R] = []; C = 0; continue; }
				if (R < 0) continue;
				var metadata = records[ri].trim().split(",");
				var type = metadata[0], value = metadata[1];
				++ri;
				var data = records[ri] || "";
				while (((data.match(/["]/g) || []).length & 1) && ri < records.length - 1) data += "\n" + records[++ri];
				data = data.trim();
				switch (+type) {
					case -1:
						if (data === 'BOT') { arr[++R] = []; C = 0; continue; }
						else if (data !== 'EOD') throw new Error("Unrecognized DIF special command " + data);
						break;
					case 0:
						if (data === 'TRUE') arr[R][C] = true;
						else if (data === 'FALSE') arr[R][C] = false;
						else if (!isNaN(fuzzynum(value))) arr[R][C] = fuzzynum(value);
						else if (!isNaN(fuzzydate(value).getDate())) {
							arr[R][C] = parseDate(value);
							if (!(opts && opts.UTC)) { arr[R][C] = utc_to_local(arr[R][C]); }
						}
						else arr[R][C] = value;
						++C; break;
					case 1:
						data = data.slice(1, data.length - 1);
						data = data.replace(/""/g, '"');
						if (DIF_XL && data && data.match(/^=".*"$/)) data = data.slice(2, -1);
						arr[R][C++] = data !== '' ? data : null;
						break;
				}
				if (data === 'EOD') break;
			}
			if (opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
			return arr;
		}

		function dif_to_sheet(str, opts) { return aoa_to_sheet(dif_to_aoa(str, opts), opts); }
		function dif_to_workbook(str, opts) {
			var o = sheet_to_workbook(dif_to_sheet(str, opts), opts);
			o.bookType = "dif";
			return o;
		}

		function make_value(v, s) { return "0," + String(v) + "\r\n" + s; }
		function make_value_str(s) { return "1,0\r\n\"" + s.replace(/"/g, '""') + '"'; }
		function sheet_to_dif(ws) {
			var _DIF_XL = DIF_XL;
			if (!ws["!ref"]) throw new Error("Cannot export empty sheet to DIF");
			var r = safe_decode_range(ws['!ref']);
			var dense = ws["!data"] != null;
			var o = [
				"TABLE\r\n0,1\r\n\"sheetjs\"\r\n",
				"VECTORS\r\n0," + (r.e.r - r.s.r + 1) + "\r\n\"\"\r\n",
				"TUPLES\r\n0," + (r.e.c - r.s.c + 1) + "\r\n\"\"\r\n",
				"DATA\r\n0,0\r\n\"\"\r\n"
			];
			for (var R = r.s.r; R <= r.e.r; ++R) {
				var row = dense ? ws["!data"][R] : [];
				var p = "-1,0\r\nBOT\r\n";
				for (var C = r.s.c; C <= r.e.c; ++C) {
					var cell = dense ? (row && row[C]) : ws[encode_cell({ r: R, c: C })];
					if (cell == null) { p += ("1,0\r\n\"\"\r\n"); continue; }
					switch (cell.t) {
						case 'n':
							if (_DIF_XL) {
								if (cell.w != null) p += ("0," + cell.w + "\r\nV");
								else if (cell.v != null) p += (make_value(cell.v, "V")); // TODO: should this call SSF_format?
								else if (cell.f != null && !cell.F) p += (make_value_str("=" + cell.f));
								else p += ("1,0\r\n\"\"");
							} else {
								if (cell.v == null) p += ("1,0\r\n\"\"");
								else p += (make_value(cell.v, "V"));
							}
							break;
						case 'b':
							p += (cell.v ? make_value(1, "TRUE") : make_value(0, "FALSE"));
							break;
						case 's':
							p += (make_value_str((!_DIF_XL || isNaN(+cell.v)) ? cell.v : '="' + cell.v + '"'));
							break;
						case 'd':
							if (!cell.w) cell.w = SSF_format(cell.z || table_fmt[14], datenum(parseDate(cell.v)));
							if (_DIF_XL) p += (make_value(cell.w, "V"));
							else p += (make_value_str(cell.w));
							break;
						default: p += ("1,0\r\n\"\"");
					}
					p += "\r\n";
				}
				o.push(p);
			}
			return o.join("") + "-1,0\r\nEOD";
		}
		return {
			to_workbook: dif_to_workbook,
			to_sheet: dif_to_sheet,
			from_sheet: sheet_to_dif
		};
	})();

	var ETH = (function () {
		function decode(s) { return s.replace(/\\b/g, "\\").replace(/\\c/g, ":").replace(/\\n/g, "\n"); }
		function encode(s) { return s.replace(/\\/g, "\\b").replace(/:/g, "\\c").replace(/\n/g, "\\n"); }

		function eth_to_aoa(str, opts) {
			var records = str.split('\n'), R = -1, C = -1, ri = 0, arr = [];
			for (; ri !== records.length; ++ri) {
				var record = records[ri].trim().split(":");
				if (record[0] !== 'cell') continue;
				var addr = decode_cell(record[1]);
				if (arr.length <= addr.r) for (R = arr.length; R <= addr.r; ++R) if (!arr[R]) arr[R] = [];
				R = addr.r; C = addr.c;
				switch (record[2]) {
					case 't': arr[R][C] = decode(record[3]); break;
					case 'v': arr[R][C] = +record[3]; break;
					case 'vtf': var _f = record[record.length - 1];
					/* falls through */
					case 'vtc':
						switch (record[3]) {
							case 'nl': arr[R][C] = +record[4] ? true : false; break;
							default: arr[R][C] = record[record.length - 1].charAt(0) == "#" ? ({ t: "e", v: RBErr[record[record.length - 1]] }) : +record[4]; break;
						}
						if (record[2] == 'vtf') arr[R][C] = [arr[R][C], _f];
				}
			}
			if (opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
			return arr;
		}

		function eth_to_sheet(d, opts) { return aoa_to_sheet(eth_to_aoa(d, opts), opts); }
		function eth_to_workbook(d, opts) { return sheet_to_workbook(eth_to_sheet(d, opts), opts); }

		var header = [
			"socialcalc:version:1.5",
			"MIME-Version: 1.0",
			"Content-Type: multipart/mixed; boundary=SocialCalcSpreadsheetControlSave"
		].join("\n");

		var sep = [
			"--SocialCalcSpreadsheetControlSave",
			"Content-type: text/plain; charset=UTF-8"
		].join("\n") + "\n";

		/* TODO: the other parts */
		var meta = [
			"# SocialCalc Spreadsheet Control Save",
			"part:sheet"
		].join("\n");

		var end = "--SocialCalcSpreadsheetControlSave--";

		function sheet_to_eth_data(ws) {
			if (!ws || !ws['!ref']) return "";
			var o = [], oo = [], cell, coord = "";
			var r = decode_range(ws['!ref']);
			var dense = ws["!data"] != null;
			for (var R = r.s.r; R <= r.e.r; ++R) {
				for (var C = r.s.c; C <= r.e.c; ++C) {
					coord = encode_cell({ r: R, c: C });
					cell = dense ? (ws["!data"][R] || [])[C] : ws[coord];
					if (!cell || cell.v == null || cell.t === 'z') continue;
					oo = ["cell", coord, 't'];
					switch (cell.t) {
						case 's': oo.push(encode(cell.v)); break;
						case 'b':
							oo[2] = 'vt' + (cell.f ? 'f' : 'c'); oo[3] = 'nl'; oo[4] = cell.v ? "1" : "0";
							oo[5] = encode(cell.f || (cell.v ? 'TRUE' : 'FALSE'));
							break;
						case 'd':
							var t = datenum(parseDate(cell.v));
							oo[2] = 'vtc'; oo[3] = 'nd'; oo[4] = "" + t;
							oo[5] = cell.w || SSF_format(cell.z || table_fmt[14], t);
							break;
						case 'n':
							if (isFinite(cell.v)) {
								if (!cell.f) { oo[2] = 'v'; oo[3] = cell.v; }
								else { oo[2] = 'vtf'; oo[3] = 'n'; oo[4] = cell.v; oo[5] = encode(cell.f); }
							} else {
								oo[2] = 'vt' + (cell.f ? 'f' : 'c');
								oo[3] = "e" + BErr[isNaN(cell.v) ? 0x24 : 0x07];
								oo[4] = "0";
								oo[5] = cell.f || oo[3].slice(1);
								oo[6] = "e";
								oo[7] = oo[3].slice(1);
							}
							break;
						case 'e': continue;
					}
					o.push(oo.join(":"));
				}
			}
			o.push("sheet:c:" + (r.e.c - r.s.c + 1) + ":r:" + (r.e.r - r.s.r + 1) + ":tvf:1");
			o.push("valueformat:1:text-wiki");
			//o.push("copiedfrom:" + ws['!ref']); // clipboard only
			return o.join("\n");
		}

		function sheet_to_eth(ws) {
			return [header, sep, meta, sep, sheet_to_eth_data(ws), end].join("\n");
			// return ["version:1.5", sheet_to_eth_data(ws)].join("\n"); // clipboard form
		}

		return {
			to_workbook: eth_to_workbook,
			to_sheet: eth_to_sheet,
			from_sheet: sheet_to_eth
		};
	})();

	var PRN = (function () {
		function set_text_arr(data, arr, R, C, o) {
			if (o.raw) arr[R][C] = data;
			else if (data === "") {/* empty */ }
			else if (data === 'TRUE') arr[R][C] = true;
			else if (data === 'FALSE') arr[R][C] = false;
			else if (!isNaN(fuzzynum(data))) arr[R][C] = fuzzynum(data);
			else if (!isNaN(fuzzydate(data).getDate())) arr[R][C] = parseDate(data);
			else if (data.charCodeAt(0) == 35 /* # */ && RBErr[data] != null) arr[R][C] = ({ t: 'e', v: RBErr[data], w: data });
			else arr[R][C] = data;
		}

		function prn_to_aoa_str(f, opts) {
			var o = opts || {};
			var arr = ([]);
			if (!f || f.length === 0) return arr;
			var lines = f.split(/[\r\n]/);
			var L = lines.length - 1;
			while (L >= 0 && lines[L].length === 0) --L;
			var start = 10, idx = 0;
			var R = 0;
			for (; R <= L; ++R) {
				idx = lines[R].indexOf(" ");
				if (idx == -1) idx = lines[R].length; else idx++;
				start = Math.max(start, idx);
			}
			for (R = 0; R <= L; ++R) {
				arr[R] = [];
				/* TODO: confirm that widths are always 10 */
				var C = 0;
				set_text_arr(lines[R].slice(0, start).trim(), arr, R, C, o);
				for (C = 1; C <= (lines[R].length - start) / 10 + 1; ++C)
					set_text_arr(lines[R].slice(start + (C - 1) * 10, start + C * 10).trim(), arr, R, C, o);
			}
			if (o.sheetRows) arr = arr.slice(0, o.sheetRows);
			return arr;
		}

		// List of accepted CSV separators
		var guess_seps = {
			0x2C: ',',
			0x09: "\t",
			0x3B: ';',
			0x7C: '|'
		};

		// CSV separator weights to be used in case of equal numbers
		var guess_sep_weights = {
			0x2C: 3,
			0x09: 2,
			0x3B: 1,
			0x7C: 0
		};

		function guess_sep(str) {
			var cnt = {}, instr = false, end = 0, cc = 0;
			for (; end < str.length; ++end) {
				if ((cc = str.charCodeAt(end)) == 0x22) instr = !instr;
				else if (!instr && cc in guess_seps) cnt[cc] = (cnt[cc] || 0) + 1;
			}

			cc = [];
			for (end in cnt) if (Object.prototype.hasOwnProperty.call(cnt, end)) {
				cc.push([cnt[end], end]);
			}

			if (!cc.length) {
				cnt = guess_sep_weights;
				for (end in cnt) if (Object.prototype.hasOwnProperty.call(cnt, end)) {
					cc.push([cnt[end], end]);
				}
			}

			cc.sort(function (a, b) { return a[0] - b[0] || guess_sep_weights[a[1]] - guess_sep_weights[b[1]]; });

			return guess_seps[cc.pop()[1]] || 0x2C;
		}

		function dsv_to_sheet_str(str, opts) {
			var o = opts || {};
			var sep = "";
			if (DENSE != null && o.dense == null) o.dense = DENSE;
			var ws = ({});
			if (o.dense) ws["!data"] = [];
			var range = ({ s: { c: 0, r: 0 }, e: { c: 0, r: 0 } });

			if (str.slice(0, 4) == "sep=") {
				// If the line ends in \r\n
				if (str.charCodeAt(5) == 13 && str.charCodeAt(6) == 10) {
					sep = str.charAt(4); str = str.slice(7);
				}
				// If line ends in \r OR \n
				else if (str.charCodeAt(5) == 13 || str.charCodeAt(5) == 10) {
					sep = str.charAt(4); str = str.slice(6);
				}
				else sep = guess_sep(str.slice(0, 1024));
			}
			else if (o && o.FS) sep = o.FS;
			else sep = guess_sep(str.slice(0, 1024));
			var R = 0, C = 0, v = 0;
			var start = 0, end = 0, sepcc = sep.charCodeAt(0), instr = false, cc = 0, startcc = str.charCodeAt(0);
			var _re = o.dateNF != null ? dateNF_regex(o.dateNF) : null;
			function finish_cell() {
				/* TODO: fuzzy parsers should pass back assumed number format */
				var s = str.slice(start, end); if (s.slice(-1) == "\r") s = s.slice(0, -1);
				var cell = ({});
				if (s.charAt(0) == '"' && s.charAt(s.length - 1) == '"') s = s.slice(1, -1).replace(/""/g, '"');
				if (o.cellText !== false) cell.w = s;
				if (s.length === 0) cell.t = 'z';
				else if (o.raw) { cell.t = 's'; cell.v = s; }
				else if (s.trim().length === 0) { cell.t = 's'; cell.v = s; }
				else if (s.charCodeAt(0) == 0x3D) {
					if (s.charCodeAt(1) == 0x22 && s.charCodeAt(s.length - 1) == 0x22) { cell.t = 's'; cell.v = s.slice(2, -1).replace(/""/g, '"'); }
					else if (fuzzyfmla(s)) { cell.t = 's'; cell.f = s.slice(1); cell.v = s; }
					else { cell.t = 's'; cell.v = s; }
				}
				else if (s == "TRUE") { cell.t = 'b'; cell.v = true; }
				else if (s == "FALSE") { cell.t = 'b'; cell.v = false; }
				else if (!isNaN(v = fuzzynum(s))) { cell.t = 'n'; cell.v = v; }
				else if (!isNaN((v = fuzzydate(s)).getDate()) || _re && s.match(_re)) {
					cell.z = o.dateNF || table_fmt[14];
					if (_re && s.match(_re)) { var news = dateNF_fix(s, o.dateNF, (s.match(_re) || [])); v = parseDate(news); if (o && o.UTC === false) v = utc_to_local(v); }
					else if (o && o.UTC === false) v = utc_to_local(v);
					else if (o.cellText !== false && o.dateNF) cell.w = SSF_format(cell.z, v);
					if (o.cellDates) { cell.t = 'd'; cell.v = v; }
					else { cell.t = 'n'; cell.v = datenum(v); }
					if (!o.cellNF) delete cell.z;
				} else if (s.charCodeAt(0) == 35 /* # */ && RBErr[s] != null) {
					cell.t = 'e'; cell.w = s; cell.v = RBErr[s];
				} else {
					cell.t = 's';
					cell.v = s;
				}
				if (cell.t == 'z') { }
				else if (o.dense) { if (!ws["!data"][R]) ws["!data"][R] = []; ws["!data"][R][C] = cell; }
				else ws[encode_cell({ c: C, r: R })] = cell;
				start = end + 1; startcc = str.charCodeAt(start);
				if (range.e.c < C) range.e.c = C;
				if (range.e.r < R) range.e.r = R;
				if (cc == sepcc) ++C; else { C = 0; ++R; if (o.sheetRows && o.sheetRows <= R) return true; }
			}
			outer: for (; end < str.length; ++end) switch ((cc = str.charCodeAt(end))) {
				case 0x22: if (startcc === 0x22) instr = !instr; break;
				case 0x0d:
					if (instr) break;
					if (str.charCodeAt(end + 1) == 0x0a) ++end;
				/* falls through */
				case sepcc: case 0x0a: if (!instr && finish_cell()) break outer; break;
				default: break;
			}
			if (end - start > 0) finish_cell();

			ws['!ref'] = encode_range(range);
			return ws;
		}

		function prn_to_sheet_str(str, opts) {
			if (!(opts && opts.PRN)) return dsv_to_sheet_str(str, opts);
			if (opts.FS) return dsv_to_sheet_str(str, opts);
			if (str.slice(0, 4) == "sep=") return dsv_to_sheet_str(str, opts);
			if (str.indexOf("\t") >= 0 || str.indexOf(",") >= 0 || str.indexOf(";") >= 0) return dsv_to_sheet_str(str, opts);
			return aoa_to_sheet(prn_to_aoa_str(str, opts), opts);
		}

		function prn_to_sheet(d, opts) {
			var str = "", bytes = opts.type == 'string' ? [0, 0, 0, 0] : firstbyte(d, opts);
			switch (opts.type) {
				case 'base64': str = Base64_decode(d); break;
				case 'binary': str = d; break;
				case 'buffer':
					if (opts.codepage == 65001) str = d.toString('utf8'); // TODO: test if buf
					else if (opts.codepage && typeof $cptable !== 'undefined') str = $cptable.utils.decode(opts.codepage, d);
					else str = has_buf && Buffer.isBuffer(d) ? d.toString('binary') : a2s(d);
					break;
				case 'array': str = cc2str(d); break;
				case 'string': str = d; break;
				default: throw new Error("Unrecognized type " + opts.type);
			}
			if (bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF) str = utf8read(str.slice(3));
			else if (opts.type != 'string' && opts.type != 'buffer' && opts.codepage == 65001) str = utf8read(str);
			else if ((opts.type == 'binary') && typeof $cptable !== 'undefined' && opts.codepage) str = $cptable.utils.decode(opts.codepage, $cptable.utils.encode(28591, str));
			if (str.slice(0, 19) == "socialcalc:version:") return ETH.to_sheet(opts.type == 'string' ? str : utf8read(str), opts);
			return prn_to_sheet_str(str, opts);
		}

		function prn_to_workbook(d, opts) { return sheet_to_workbook(prn_to_sheet(d, opts), opts); }

		function sheet_to_prn(ws) {
			var o = [];
			if (!ws["!ref"]) return "";
			var r = safe_decode_range(ws['!ref']), cell;
			var dense = ws["!data"] != null;
			for (var R = r.s.r; R <= r.e.r; ++R) {
				var oo = [];
				for (var C = r.s.c; C <= r.e.c; ++C) {
					var coord = encode_cell({ r: R, c: C });
					cell = dense ? (ws["!data"][R] || [])[C] : ws[coord];
					if (!cell || cell.v == null) { oo.push("          "); continue; }
					var w = (cell.w || (format_cell(cell), cell.w) || "").slice(0, 10);
					while (w.length < 10) w += " ";
					oo.push(w + (C === 0 ? " " : ""));
				}
				o.push(oo.join(""));
			}
			return o.join("\n");
		}

		return {
			to_workbook: prn_to_workbook,
			to_sheet: prn_to_sheet,
			from_sheet: sheet_to_prn
		};
	})();

	/* Excel defaults to SYLK but warns if data is not valid */
	function read_wb_ID(d, opts) {
		var o = opts || {}, OLD_WTF = !!o.WTF; o.WTF = true;
		try {
			var out = SYLK.to_workbook(d, o);
			o.WTF = OLD_WTF;
			return out;
		} catch (e) {
			o.WTF = OLD_WTF;
			if ((e.message.indexOf("SYLK bad record ID") == -1) && OLD_WTF) throw e;
			return PRN.to_workbook(d, opts);
		}
	}

	var WK_ = (function () {
		function lotushopper(data, cb, opts) {
			if (!data) return;
			prep_blob(data, data.l || 0);
			var Enum = opts.Enum || WK1Enum;
			while (data.l < data.length) {
				var RT = data.read_shift(2);
				var R = Enum[RT] || Enum[0xFFFF];
				var length = data.read_shift(2);
				var tgt = data.l + length;
				var d = R.f && R.f(data, length, opts);
				data.l = tgt;
				if (cb(d, R, RT)) return;
			}
		}

		function lotus_to_workbook(d, opts) {
			switch (opts.type) {
				case 'base64': return lotus_to_workbook_buf(s2a(Base64_decode(d)), opts);
				case 'binary': return lotus_to_workbook_buf(s2a(d), opts);
				case 'buffer':
				case 'array': return lotus_to_workbook_buf(d, opts);
			}
			throw "Unsupported type " + opts.type;
		}

		/* NOTE: this list intentionally starts at 1 */
		var LOTUS_DATE_FMTS = [
			"mmmm",
			"dd-mmm-yyyy",
			"dd-mmm",
			"mmm-yyyy",
			"@", // "text"?
			"mm/dd",
			"hh:mm:ss AM/PM", // 7
			"hh:mm AM/PM",
			"mm/dd/yyyy",
			"mm/dd",
			"hh:mm:ss",
			"hh:mm" // 12
		];

		function lotus_to_workbook_buf(d, opts) {
			if (!d) return d;
			var o = opts || {};
			if (DENSE != null && o.dense == null) o.dense = DENSE;
			var s = ({}), n = "Sheet1", next_n = "", sidx = 0;
			var sheets = {}, snames = [], realnames = [], sdata = [];
			if (o.dense) sdata = s["!data"] = [];

			var refguess = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
			var sheetRows = o.sheetRows || 0;
			var lastcell = {};

			if (d[4] == 0x51 && d[5] == 0x50 && d[6] == 0x57) return qpw_to_workbook_buf(d, opts);
			if (d[2] == 0x00) {
				if (d[3] == 0x08 || d[3] == 0x09) {
					if (d.length >= 16 && d[14] == 0x05 && d[15] === 0x6c) throw new Error("Unsupported Works 3 for Mac file");
				}
			}

			if (d[2] == 0x02) {
				o.Enum = WK1Enum;
				lotushopper(d, function (val, R, RT) {
					switch (RT) {
						case 0x00: /* BOF */
							o.vers = val;
							if (val >= 0x1000) o.qpro = true;
							break;
						case 0xFF: /* BOF (works 3+) */
							o.vers = val;
							o.works = true;
							break;
						case 0x06: refguess = val; break; /* RANGE */
						case 0xCC: if (val) next_n = val; break; /* SHEETNAMECS */
						case 0xDE: next_n = val; break; /* SHEETNAMELP */
						case 0x0F: /* LABEL */
						case 0x33: /* STRING */
							if ((!o.qpro && !o.works || RT == 0x33) && val[1].v.charCodeAt(0) < 0x30) val[1].v = val[1].v.slice(1);
							if (o.works || o.works2) val[1].v = val[1].v.replace(/\r\n/g, "\n");
						/* falls through */
						case 0x0D: /* INTEGER */
						case 0x0E: /* NUMBER */
						case 0x10: /* FORMULA */
							/* TODO: actual translation of the format code */
							if ((val[2] & 0x70) == 0x70 && (val[2] & 0x0F) > 1 && (val[2] & 0x0F) < 15) {
								val[1].z = o.dateNF || LOTUS_DATE_FMTS[(val[2] & 0x0F) - 1] || table_fmt[14];
								if (o.cellDates) { val[1].v = numdate(val[1].v); val[1].t = typeof val[1].v == "number" ? 'n' : 'd'; }
							}

							if (o.qpro) {
								if (val[3] > sidx) {
									s["!ref"] = encode_range(refguess);
									sheets[n] = s;
									snames.push(n);
									s = ({}); if (o.dense) sdata = s["!data"] = [];
									refguess = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
									sidx = val[3]; n = next_n || "Sheet" + (sidx + 1); next_n = "";
								}
							}

							var tmpcell = o.dense ? (sdata[val[0].r] || [])[val[0].c] : s[encode_cell(val[0])];
							if (tmpcell) {
								tmpcell.t = val[1].t; tmpcell.v = val[1].v;
								if (val[1].z != null) tmpcell.z = val[1].z;
								if (val[1].f != null) tmpcell.f = val[1].f;
								lastcell = tmpcell;
								break;
							}
							if (o.dense) {
								if (!sdata[val[0].r]) sdata[val[0].r] = [];
								sdata[val[0].r][val[0].c] = val[1];
							} else s[encode_cell(val[0])] = val[1];
							lastcell = val[1];
							break;
						case 0x5405: o.works2 = true; break;
						case 0x5402: {
							/* TODO: enumerate all extended number formats */
							if (val == 0x14a1) {
								lastcell.z = "hh:mm:ss";
								if (o.cellDates && lastcell.t == "n") {
									lastcell.v = numdate(lastcell.v); lastcell.t = typeof lastcell.v == "number" ? 'n' : 'd';
								}
							}
						} break;
					}
				}, o);
			} else if (d[2] == 0x1A || d[2] == 0x0E) {
				o.Enum = WK3Enum;
				if (d[2] == 0x0E) { o.qpro = true; d.l = 0; }
				lotushopper(d, function (val, R, RT) {
					switch (RT) {
						case 0xCC: n = val; break; /* SHEETNAMECS */
						case 0x16: /* LABEL16 */
							if (val[1].v.charCodeAt(0) < 0x30) val[1].v = val[1].v.slice(1);
							// TODO: R9 appears to encode control codes this way -- verify against other versions
							val[1].v = val[1].v.replace(/\x0F./g, function ($$) { return String.fromCharCode($$.charCodeAt(1) - 0x20); }).replace(/\r\n/g, "\n");
						/* falls through */
						case 0x17: /* NUMBER17 */
						case 0x18: /* NUMBER18 */
						case 0x19: /* FORMULA19 */
						case 0x25: /* NUMBER25 */
						case 0x27: /* NUMBER27 */
						case 0x28: /* FORMULA28 */
							if (val[3] > sidx) {
								s["!ref"] = encode_range(refguess);
								sheets[n] = s;
								snames.push(n);
								s = ({}); if (o.dense) sdata = s["!data"] = [];
								refguess = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
								sidx = val[3]; n = "Sheet" + (sidx + 1);
							}
							if (sheetRows > 0 && val[0].r >= sheetRows) break;
							if (o.dense) {
								if (!sdata[val[0].r]) sdata[val[0].r] = [];
								sdata[val[0].r][val[0].c] = val[1];
							} else s[encode_cell(val[0])] = val[1];
							if (refguess.e.c < val[0].c) refguess.e.c = val[0].c;
							if (refguess.e.r < val[0].r) refguess.e.r = val[0].r;
							break;
						case 0x1B: /* XFORMAT */
							if (val[0x36b0]) realnames[val[0x36b0][0]] = val[0x36b0][1];
							break;
						case 0x0601: /* SHEETINFOQP */
							realnames[val[0]] = val[1]; if (val[0] == sidx) n = val[1]; break;
						default: break;
					}
				}, o);
			} else throw new Error("Unrecognized LOTUS BOF " + d[2]);
			s["!ref"] = encode_range(refguess);
			sheets[next_n || n] = s;
			snames.push(next_n || n);
			if (!realnames.length) return { SheetNames: snames, Sheets: sheets };
			var osheets = {}, rnames = [];
			/* TODO: verify no collisions */
			for (var i = 0; i < realnames.length; ++i) if (sheets[snames[i]]) {
				rnames.push(realnames[i] || snames[i]);
				osheets[realnames[i]] = sheets[realnames[i]] || sheets[snames[i]];
			} else {
				rnames.push(realnames[i]);
				osheets[realnames[i]] = ({ "!ref": "A1" });
			}
			return { SheetNames: rnames, Sheets: osheets };
		}

		function sheet_to_wk1(ws, opts) {
			var o = opts || {};
			if (+o.codepage >= 0) set_cp(+o.codepage);
			if (o.type == "string") throw new Error("Cannot write WK1 to JS string");
			var ba = buf_array();
			if (!ws["!ref"]) throw new Error("Cannot export empty sheet to WK1");
			var range = safe_decode_range(ws["!ref"]);
			var dense = ws["!data"] != null;
			var cols = [];

			write_biff_rec(ba, 0x00, write_BOF_WK1(0x0406));
			write_biff_rec(ba, 0x06, write_RANGE(range));
			var max_R = Math.min(range.e.r, 8191);
			for (var C = range.s.c; C <= range.e.c; ++C) cols[C] = encode_col(C);
			for (var R = range.s.r; R <= max_R; ++R) {
				var rr = encode_row(R);
				for (C = range.s.c; C <= range.e.c; ++C) {
					var cell = dense ? (ws["!data"][R] || [])[C] : ws[cols[C] + rr];
					if (!cell || cell.t == "z") continue;
					/* TODO: formula records */
					switch (cell.t) {
						case "n":
							if ((cell.v | 0) == cell.v && cell.v >= -32768 && cell.v <= 32767) write_biff_rec(ba, 0x0d, write_INTEGER(R, C, cell));
							else write_biff_rec(ba, 0x0e, write_NUMBER(R, C, cell));
							break;
						case "d":
							var dc = datenum(cell.v);
							if ((dc | 0) == dc && dc >= -32768 && dc <= 32767) write_biff_rec(ba, 0x0d, write_INTEGER(R, C, { t: "n", v: dc, z: cell.z || table_fmt[14] }));
							else write_biff_rec(ba, 0x0e, write_NUMBER(R, C, { t: "n", v: dc, z: cell.z || table_fmt[14] }));
							break;
						default:
							var str = format_cell(cell);
							write_biff_rec(ba, 0x0F, write_LABEL(R, C, str.slice(0, 239)));
					}
				}
			}

			write_biff_rec(ba, 0x01);
			return ba.end();
		}

		function book_to_wk3(wb, opts) {
			var o = opts || {};
			if (+o.codepage >= 0) set_cp(+o.codepage);
			if (o.type == "string") throw new Error("Cannot write WK3 to JS string");
			var ba = buf_array();

			write_biff_rec(ba, 0x00, write_BOF_WK3(wb));

			for (var i = 0, cnt = 0; i < wb.SheetNames.length; ++i) if ((wb.Sheets[wb.SheetNames[i]] || {})["!ref"]) write_biff_rec(ba, 0x1b, write_XFORMAT_SHEETNAME(wb.SheetNames[i], cnt++));

			var wsidx = 0;
			for (i = 0; i < wb.SheetNames.length; ++i) {
				var ws = wb.Sheets[wb.SheetNames[i]];
				if (!ws || !ws["!ref"]) continue;
				var range = safe_decode_range(ws["!ref"]);
				var dense = ws["!data"] != null;
				var cols = [];
				var max_R = Math.min(range.e.r, 8191);
				for (var R = range.s.r; R <= max_R; ++R) {
					var rr = encode_row(R);
					for (var C = range.s.c; C <= range.e.c; ++C) {
						if (R === range.s.r) cols[C] = encode_col(C);
						var ref = cols[C] + rr;
						var cell = dense ? (ws["!data"][R] || [])[C] : ws[ref];
						if (!cell || cell.t == "z") continue;
						/* TODO: FORMULA19 NUMBER18 records */
						if (cell.t == "n") {
							write_biff_rec(ba, 0x17, write_NUMBER_17(R, C, wsidx, cell.v));
						} else {
							var str = format_cell(cell);
							/* TODO: max len? */
							write_biff_rec(ba, 0x16, write_LABEL_16(R, C, wsidx, str.slice(0, 239)));
						}
					}
				}
				++wsidx;
			}

			write_biff_rec(ba, 0x01);
			return ba.end();
		}


		function write_BOF_WK1(v) {
			var out = new_buf(2);
			out.write_shift(2, v);
			return out;
		}

		function write_BOF_WK3(wb) {
			var out = new_buf(26);
			out.write_shift(2, 0x1000);
			out.write_shift(2, 0x0004);
			out.write_shift(4, 0x0000);
			var rows = 0, cols = 0, wscnt = 0;
			for (var i = 0; i < wb.SheetNames.length; ++i) {
				var name = wb.SheetNames[i];
				var ws = wb.Sheets[name];
				if (!ws || !ws["!ref"]) continue;
				++wscnt;
				var range = decode_range(ws["!ref"]);
				if (rows < range.e.r) rows = range.e.r;
				if (cols < range.e.c) cols = range.e.c;
			}
			if (rows > 8191) rows = 8191;
			out.write_shift(2, rows);
			out.write_shift(1, wscnt);
			out.write_shift(1, cols);
			out.write_shift(2, 0x00);
			out.write_shift(2, 0x00);
			out.write_shift(1, 0x01);
			out.write_shift(1, 0x02);
			out.write_shift(4, 0);
			out.write_shift(4, 0);
			return out;
		}

		function parse_RANGE(blob, length, opts) {
			var o = { s: { c: 0, r: 0 }, e: { c: 0, r: 0 } };
			if (length == 8 && opts.qpro) {
				o.s.c = blob.read_shift(1);
				blob.l++;
				o.s.r = blob.read_shift(2);
				o.e.c = blob.read_shift(1);
				blob.l++;
				o.e.r = blob.read_shift(2);
				return o;
			}
			o.s.c = blob.read_shift(2);
			o.s.r = blob.read_shift(2);
			if (length == 12 && opts.qpro) blob.l += 2;
			o.e.c = blob.read_shift(2);
			o.e.r = blob.read_shift(2);
			if (length == 12 && opts.qpro) blob.l += 2;
			if (o.s.c == 0xFFFF) o.s.c = o.e.c = o.s.r = o.e.r = 0;
			return o;
		}
		function write_RANGE(range) {
			var out = new_buf(8);
			out.write_shift(2, range.s.c);
			out.write_shift(2, range.s.r);
			out.write_shift(2, range.e.c);
			out.write_shift(2, range.e.r);
			return out;
		}

		function parse_cell(blob, length, opts) {
			var o = [{ c: 0, r: 0 }, { t: 'n', v: 0 }, 0, 0];
			if (opts.qpro && opts.vers != 0x5120) {
				o[0].c = blob.read_shift(1);
				o[3] = blob.read_shift(1);
				o[0].r = blob.read_shift(2);
				blob.l += 2;
			} else if (opts.works) { // TODO: verify with more complex works3-4 examples
				o[0].c = blob.read_shift(2); o[0].r = blob.read_shift(2);
				o[2] = blob.read_shift(2);
			} else {
				o[2] = blob.read_shift(1);
				o[0].c = blob.read_shift(2); o[0].r = blob.read_shift(2);
			}
			return o;
		}

		function get_wk1_fmt(cell) {
			/* TODO: some fuzzy matching on the number format */
			if (cell.z && fmt_is_date(cell.z)) {
				return 0xf0 | (LOTUS_DATE_FMTS.indexOf(cell.z) + 1 || 2);
			}
			return 0xFF;
		}
		function parse_LABEL(blob, length, opts) {
			var tgt = blob.l + length;
			var o = parse_cell(blob, length, opts);
			o[1].t = 's';
			if ((opts.vers & 0xFFFE) == 0x5120) { // WQ1 / WQ2
				blob.l++;
				var len = blob.read_shift(1);
				o[1].v = blob.read_shift(len, 'utf8');
				return o;
			}
			if (opts.qpro) blob.l++;
			o[1].v = blob.read_shift(tgt - blob.l, 'cstr');
			return o;
		}
		function write_LABEL(R, C, s) {
			/* TODO: encoding */
			var o = new_buf(7 + s.length);
			o.write_shift(1, 0xFF);
			o.write_shift(2, C);
			o.write_shift(2, R);
			o.write_shift(1, 0x27); // ??
			for (var i = 0; i < o.length; ++i) {
				var cc = s.charCodeAt(i);
				o.write_shift(1, cc >= 0x80 ? 0x5F : cc);
			}
			o.write_shift(1, 0);
			return o;
		}
		function parse_STRING(blob, length, opts) {
			var tgt = blob.l + length;
			var o = parse_cell(blob, length, opts);
			o[1].t = 's';
			if (opts.vers == 0x5120) {
				var len = blob.read_shift(1);
				o[1].v = blob.read_shift(len, 'utf8');
				return o;
			}
			o[1].v = blob.read_shift(tgt - blob.l, 'cstr');
			return o;
		}

		function parse_INTEGER(blob, length, opts) {
			var o = parse_cell(blob, length, opts);
			o[1].v = blob.read_shift(2, 'i');
			return o;
		}
		function write_INTEGER(R, C, cell) {
			var o = new_buf(7);
			o.write_shift(1, get_wk1_fmt(cell));
			o.write_shift(2, C);
			o.write_shift(2, R);
			o.write_shift(2, cell.v, 'i');
			return o;
		}

		function parse_NUMBER(blob, length, opts) {
			var o = parse_cell(blob, length, opts);
			o[1].v = blob.read_shift(8, 'f');
			return o;
		}
		function write_NUMBER(R, C, cell) {
			var o = new_buf(13);
			o.write_shift(1, get_wk1_fmt(cell));
			o.write_shift(2, C);
			o.write_shift(2, R);
			o.write_shift(8, cell.v, 'f');
			return o;
		}

		function parse_FORMULA(blob, length, opts) {
			var tgt = blob.l + length;
			var o = parse_cell(blob, length, opts);
			/* TODO: formula */
			o[1].v = blob.read_shift(8, 'f');
			if (opts.qpro) blob.l = tgt;
			else {
				var flen = blob.read_shift(2);
				wk1_fmla_to_csf(blob.slice(blob.l, blob.l + flen), o);
				blob.l += flen;
			}
			return o;
		}

		function wk1_parse_rc(B, V, col) {
			var rel = V & 0x8000;
			V &= ~0x8000;
			V = (rel ? B : 0) + ((V >= 0x2000) ? V - 0x4000 : V);
			return (rel ? "" : "$") + (col ? encode_col(V) : encode_row(V));
		}
		/* var oprec = [
			8, 8, 8, 8, 8, 8, 8, 8, 6, 4, 4, 5, 5, 7, 3, 3,
			3, 3, 3, 3, 1, 1, 2, 6, 8, 8, 8, 8, 8, 8, 8, 8
		]; */
		/* TODO: flesh out */
		var FuncTab = {
			0x1F: ["NA", 0],
			// 0x20: ["ERR", 0],
			0x21: ["ABS", 1],
			0x22: ["TRUNC", 1],
			0x23: ["SQRT", 1],
			0x24: ["LOG", 1],
			0x25: ["LN", 1],
			0x26: ["PI", 0],
			0x27: ["SIN", 1],
			0x28: ["COS", 1],
			0x29: ["TAN", 1],
			0x2A: ["ATAN2", 2],
			0x2B: ["ATAN", 1],
			0x2C: ["ASIN", 1],
			0x2D: ["ACOS", 1],
			0x2E: ["EXP", 1],
			0x2F: ["MOD", 2],
			// 0x30
			0x31: ["ISNA", 1],
			0x32: ["ISERR", 1],
			0x33: ["FALSE", 0],
			0x34: ["TRUE", 0],
			0x35: ["RAND", 0],
			0x36: ["DATE", 3],
			// 0x37 NOW
			// 0x38 PMT
			// 0x39 PV
			// 0x3A FV
			// 0x3B IF
			// 0x3C DAY
			// 0x3D MONTH
			// 0x3E YEAR
			0x3F: ["ROUND", 2],
			0x40: ["TIME", 3],
			// 0x41 HOUR
			// 0x42 MINUTE
			// 0x43 SECOND
			0x44: ["ISNUMBER", 1],
			0x45: ["ISTEXT", 1],
			0x46: ["LEN", 1],
			0x47: ["VALUE", 1],
			// 0x48: ["FIXED", ?? 1],
			0x49: ["MID", 3],
			0x4A: ["CHAR", 1],
			// 0x4B
			// 0x4C FIND
			// 0x4D DATEVALUE
			// 0x4E TIMEVALUE
			// 0x4F CELL
			0x50: ["SUM", 69],
			0x51: ["AVERAGEA", 69],
			0x52: ["COUNTA", 69],
			0x53: ["MINA", 69],
			0x54: ["MAXA", 69],
			// 0x55 VLOOKUP
			// 0x56 NPV
			// 0x57 VAR
			// 0x58 STD
			// 0x59 IRR
			// 0x5A HLOOKUP
			// 0x5B DSUM
			// 0x5C DAVERAGE
			// 0x5D DCOUNTA
			// 0x5E DMIN
			// 0x5F DMAX
			// 0x60 DVARP
			// 0x61 DSTDEVP
			// 0x62 INDEX
			// 0x63 COLS
			// 0x64 ROWS
			// 0x65 REPEAT
			0x66: ["UPPER", 1],
			0x67: ["LOWER", 1],
			// 0x68 LEFT
			// 0x69 RIGHT
			// 0x6A REPLACE
			0x6B: ["PROPER", 1],
			// 0x6C CELL
			0x6D: ["TRIM", 1],
			// 0x6E CLEAN
			0x6F: ["T", 1]
			// 0x70 V
		};
		var BinOpTab = [
			"", "", "", "", "", "", "", "", // eslint-disable-line no-mixed-spaces-and-tabs
			"", "+", "-", "*", "/", "^", "=", "<>", // eslint-disable-line no-mixed-spaces-and-tabs
			"<=", ">=", "<", ">", "", "", "", "", // eslint-disable-line no-mixed-spaces-and-tabs
			"&", "", "", "", "", "", "", ""  // eslint-disable-line no-mixed-spaces-and-tabs
		];

		function wk1_fmla_to_csf(blob, o) {
			prep_blob(blob, 0);
			var out = [], argc = 0, R = "", C = "", argL = "", argR = "";
			while (blob.l < blob.length) {
				var cc = blob[blob.l++];
				switch (cc) {
					case 0x00: out.push(blob.read_shift(8, 'f')); break;
					case 0x01: {
						C = wk1_parse_rc(o[0].c, blob.read_shift(2), true);
						R = wk1_parse_rc(o[0].r, blob.read_shift(2), false);
						out.push(C + R);
					} break;
					case 0x02: {
						var c = wk1_parse_rc(o[0].c, blob.read_shift(2), true);
						var r = wk1_parse_rc(o[0].r, blob.read_shift(2), false);
						C = wk1_parse_rc(o[0].c, blob.read_shift(2), true);
						R = wk1_parse_rc(o[0].r, blob.read_shift(2), false);
						out.push(c + r + ":" + C + R);
					} break;
					case 0x03:
						if (blob.l < blob.length) { console.error("WK1 premature formula end"); return; }
						break;
					case 0x04: out.push("(" + out.pop() + ")"); break;
					case 0x05: out.push(blob.read_shift(2)); break;
					case 0x06: {
						/* TODO: text encoding */
						var Z = ""; while ((cc = blob[blob.l++])) Z += String.fromCharCode(cc);
						out.push('"' + Z.replace(/"/g, '""') + '"');
					} break;

					case 0x08: out.push("-" + out.pop()); break;
					case 0x17: out.push("+" + out.pop()); break;
					case 0x16: out.push("NOT(" + out.pop() + ")"); break;

					case 0x14: case 0x15: {
						argR = out.pop(); argL = out.pop();
						out.push(["AND", "OR"][cc - 0x14] + "(" + argL + "," + argR + ")");
					} break;

					default:
						if (cc < 0x20 && BinOpTab[cc]) {
							argR = out.pop(); argL = out.pop();
							out.push(argL + BinOpTab[cc] + argR);
						} else if (FuncTab[cc]) {
							argc = FuncTab[cc][1];
							if (argc == 69) argc = blob[blob.l++];
							if (argc > out.length) { console.error("WK1 bad formula parse 0x" + cc.toString(16) + ":|" + out.join("|") + "|"); return; }
							var args = out.slice(-argc);
							out.length -= argc;
							out.push(FuncTab[cc][0] + "(" + args.join(",") + ")");
						}
						else if (cc <= 0x07) return console.error("WK1 invalid opcode " + cc.toString(16));
						else if (cc <= 0x18) return console.error("WK1 unsupported op " + cc.toString(16));
						else if (cc <= 0x1E) return console.error("WK1 invalid opcode " + cc.toString(16));
						else if (cc <= 0x73) return console.error("WK1 unsupported function opcode " + cc.toString(16));
						// possible future functions ??
						else return console.error("WK1 unrecognized opcode " + cc.toString(16));
				}
			}
			if (out.length == 1) o[1].f = "" + out[0];
			else console.error("WK1 bad formula parse |" + out.join("|") + "|");
		}

		function parse_cell_3(blob) {
			var o = [{ c: 0, r: 0 }, { t: 'n', v: 0 }, 0];
			o[0].r = blob.read_shift(2); o[3] = blob[blob.l++]; o[0].c = blob[blob.l++];
			return o;
		}

		function parse_LABEL_16(blob, length) {
			var o = parse_cell_3(blob, length);
			o[1].t = 's';
			o[1].v = blob.read_shift(length - 4, 'cstr');
			return o;
		}
		function write_LABEL_16(R, C, wsidx, s) {
			/* TODO: encoding */
			var o = new_buf(6 + s.length);
			o.write_shift(2, R);
			o.write_shift(1, wsidx);
			o.write_shift(1, C);
			o.write_shift(1, 0x27);
			for (var i = 0; i < s.length; ++i) {
				var cc = s.charCodeAt(i);
				o.write_shift(1, cc >= 0x80 ? 0x5F : cc);
			}
			o.write_shift(1, 0);
			return o;
		}

		function parse_NUMBER_18(blob, length) {
			var o = parse_cell_3(blob, length);
			o[1].v = blob.read_shift(2);
			var v = o[1].v >> 1;
			if (o[1].v & 0x1) {
				switch (v & 0x07) {
					case 0: v = (v >> 3) * 5000; break;
					case 1: v = (v >> 3) * 500; break;
					case 2: v = (v >> 3) / 20; break;
					case 3: v = (v >> 3) / 200; break;
					case 4: v = (v >> 3) / 2000; break;
					case 5: v = (v >> 3) / 20000; break;
					case 6: v = (v >> 3) / 16; break;
					case 7: v = (v >> 3) / 64; break;
				}
			}
			o[1].v = v;
			return o;
		}

		function parse_NUMBER_17(blob, length) {
			var o = parse_cell_3(blob, length);
			var v1 = blob.read_shift(4);
			var v2 = blob.read_shift(4);
			var e = blob.read_shift(2);
			if (e == 0xFFFF) {
				if (v1 === 0 && v2 === 0xC0000000) { o[1].t = "e"; o[1].v = 0x0F; } // ERR -> #VALUE!
				else if (v1 === 0 && v2 === 0xD0000000) { o[1].t = "e"; o[1].v = 0x2A; } // NA -> #N/A
				else o[1].v = 0;
				return o;
			}
			var s = e & 0x8000; e = (e & 0x7FFF) - 16446;
			o[1].v = (1 - s * 2) * (v2 * Math.pow(2, e + 32) + v1 * Math.pow(2, e));
			return o;
		}
		function write_NUMBER_17(R, C, wsidx, v) {
			var o = new_buf(14);
			o.write_shift(2, R);
			o.write_shift(1, wsidx);
			o.write_shift(1, C);
			if (v == 0) {
				o.write_shift(4, 0);
				o.write_shift(4, 0);
				o.write_shift(2, 0xFFFF);
				return o;
			}
			var s = 0, e = 0, v1 = 0, v2 = 0;
			if (v < 0) { s = 1; v = -v; }
			e = Math.log2(v) | 0;
			v /= Math.pow(2, e - 31);
			v2 = (v) >>> 0;
			if ((v2 & 0x80000000) == 0) { v /= 2; ++e; v2 = v >>> 0; }
			v -= v2;
			v2 |= 0x80000000;
			v2 >>>= 0;
			v *= Math.pow(2, 32);
			v1 = v >>> 0;
			o.write_shift(4, v1);
			o.write_shift(4, v2);
			e += 0x3FFF + (s ? 0x8000 : 0);
			o.write_shift(2, e);
			return o;
		}

		function parse_FORMULA_19(blob, length) {
			var o = parse_NUMBER_17(blob, 14);
			blob.l += length - 14; /* TODO: WK3 formula */
			return o;
		}

		function parse_NUMBER_25(blob, length) {
			var o = parse_cell_3(blob, length);
			var v1 = blob.read_shift(4);
			o[1].v = v1 >> 6;
			return o;
		}

		function parse_NUMBER_27(blob, length) {
			var o = parse_cell_3(blob, length);
			var v1 = blob.read_shift(8, 'f');
			o[1].v = v1;
			return o;
		}

		function parse_FORMULA_28(blob, length) {
			var o = parse_NUMBER_27(blob, 12);
			blob.l += length - 12; /* TODO: formula */
			return o;
		}

		function parse_SHEETNAMECS(blob, length) {
			return blob[blob.l + length - 1] == 0 ? blob.read_shift(length, 'cstr') : "";
		}

		function parse_SHEETNAMELP(blob, length) {
			var len = blob[blob.l++];
			if (len > length - 1) len = length - 1;
			var o = ""; while (o.length < len) o += String.fromCharCode(blob[blob.l++]);
			return o;
		}

		function parse_SHEETINFOQP(blob, length, opts) {
			if (!opts.qpro || length < 21) return;
			var id = blob.read_shift(1);
			blob.l += 17;
			blob.l += 1; //var len = blob.read_shift(1);
			blob.l += 2;
			var nm = blob.read_shift(length - 21, 'cstr');
			return [id, nm];
		}

		function parse_XFORMAT(blob, length) {
			var o = {}, tgt = blob.l + length;
			while (blob.l < tgt) {
				var dt = blob.read_shift(2);
				if (dt == 0x36b0) {
					o[dt] = [0, ""];
					o[dt][0] = blob.read_shift(2);
					while (blob[blob.l]) { o[dt][1] += String.fromCharCode(blob[blob.l]); blob.l++; } blob.l++;
				}
				// TODO: 0x3a99 ??
			}
			return o;
		}
		function write_XFORMAT_SHEETNAME(name, wsidx) {
			var out = new_buf(5 + name.length);
			out.write_shift(2, 0x36b0);
			out.write_shift(2, wsidx);
			for (var i = 0; i < name.length; ++i) {
				var cc = name.charCodeAt(i);
				out[out.l++] = cc > 0x7F ? 0x5F : cc;
			}
			out[out.l++] = 0;
			return out;
		}

		var WK1Enum = {
			0x0000: { n: "BOF", f: parseuint16 },
			0x0001: { n: "EOF" },
			0x0002: { n: "CALCMODE" },
			0x0003: { n: "CALCORDER" },
			0x0004: { n: "SPLIT" },
			0x0005: { n: "SYNC" },
			0x0006: { n: "RANGE", f: parse_RANGE },
			0x0007: { n: "WINDOW1" },
			0x0008: { n: "COLW1" },
			0x0009: { n: "WINTWO" },
			0x000A: { n: "COLW2" },
			0x000B: { n: "NAME" },
			0x000C: { n: "BLANK" },
			0x000D: { n: "INTEGER", f: parse_INTEGER },
			0x000E: { n: "NUMBER", f: parse_NUMBER },
			0x000F: { n: "LABEL", f: parse_LABEL },
			0x0010: { n: "FORMULA", f: parse_FORMULA },
			0x0018: { n: "TABLE" },
			0x0019: { n: "ORANGE" },
			0x001A: { n: "PRANGE" },
			0x001B: { n: "SRANGE" },
			0x001C: { n: "FRANGE" },
			0x001D: { n: "KRANGE1" },
			0x0020: { n: "HRANGE" },
			0x0023: { n: "KRANGE2" },
			0x0024: { n: "PROTEC" },
			0x0025: { n: "FOOTER" },
			0x0026: { n: "HEADER" },
			0x0027: { n: "SETUP" },
			0x0028: { n: "MARGINS" },
			0x0029: { n: "LABELFMT" },
			0x002A: { n: "TITLES" },
			0x002B: { n: "SHEETJS" },
			0x002D: { n: "GRAPH" },
			0x002E: { n: "NGRAPH" },
			0x002F: { n: "CALCCOUNT" },
			0x0030: { n: "UNFORMATTED" },
			0x0031: { n: "CURSORW12" },
			0x0032: { n: "WINDOW" },
			0x0033: { n: "STRING", f: parse_STRING },
			0x0037: { n: "PASSWORD" },
			0x0038: { n: "LOCKED" },
			0x003C: { n: "QUERY" },
			0x003D: { n: "QUERYNAME" },
			0x003E: { n: "PRINT" },
			0x003F: { n: "PRINTNAME" },
			0x0040: { n: "GRAPH2" },
			0x0041: { n: "GRAPHNAME" },
			0x0042: { n: "ZOOM" },
			0x0043: { n: "SYMSPLIT" },
			0x0044: { n: "NSROWS" },
			0x0045: { n: "NSCOLS" },
			0x0046: { n: "RULER" },
			0x0047: { n: "NNAME" },
			0x0048: { n: "ACOMM" },
			0x0049: { n: "AMACRO" },
			0x004A: { n: "PARSE" },
			// 0x0064
			0x0066: { n: "PRANGES??" },
			0x0067: { n: "RRANGES??" },
			0x0068: { n: "FNAME??" },
			0x0069: { n: "MRANGES??" },
			// 0x0096
			// 0x0099
			// 0x009A
			// 0x009B
			// 0x009C
			// 0x00C0
			// 0x00C7
			// 0x00C9
			0x00CC: { n: "SHEETNAMECS", f: parse_SHEETNAMECS },
			// 0x00CD
			0x00DE: { n: "SHEETNAMELP", f: parse_SHEETNAMELP },
			0x00FF: { n: "BOF", f: parseuint16 },
			0x5402: { n: "WKSNF", f: parseuint16 },
			0xFFFF: { n: "" }
		};

		var WK3Enum = {
			0x0000: { n: "BOF" },
			0x0001: { n: "EOF" },
			0x0002: { n: "PASSWORD" },
			0x0003: { n: "CALCSET" },
			0x0004: { n: "WINDOWSET" },
			0x0005: { n: "SHEETCELLPTR" },
			0x0006: { n: "SHEETLAYOUT" },
			0x0007: { n: "COLUMNWIDTH" },
			0x0008: { n: "HIDDENCOLUMN" },
			0x0009: { n: "USERRANGE" },
			0x000A: { n: "SYSTEMRANGE" },
			0x000B: { n: "ZEROFORCE" },
			0x000C: { n: "SORTKEYDIR" },
			0x000D: { n: "FILESEAL" },
			0x000E: { n: "DATAFILLNUMS" },
			0x000F: { n: "PRINTMAIN" },
			0x0010: { n: "PRINTSTRING" },
			0x0011: { n: "GRAPHMAIN" },
			0x0012: { n: "GRAPHSTRING" },
			0x0013: { n: "??" },
			0x0014: { n: "ERRCELL" },
			0x0015: { n: "NACELL" },
			0x0016: { n: "LABEL16", f: parse_LABEL_16 },
			0x0017: { n: "NUMBER17", f: parse_NUMBER_17 },
			0x0018: { n: "NUMBER18", f: parse_NUMBER_18 },
			0x0019: { n: "FORMULA19", f: parse_FORMULA_19 },
			0x001A: { n: "FORMULA1A" },
			0x001B: { n: "XFORMAT", f: parse_XFORMAT },
			0x001C: { n: "DTLABELMISC" },
			0x001D: { n: "DTLABELCELL" },
			0x001E: { n: "GRAPHWINDOW" },
			0x001F: { n: "CPA" },
			0x0020: { n: "LPLAUTO" },
			0x0021: { n: "QUERY" },
			0x0022: { n: "HIDDENSHEET" },
			0x0023: { n: "??" },
			0x0025: { n: "NUMBER25", f: parse_NUMBER_25 },
			0x0026: { n: "??" },
			0x0027: { n: "NUMBER27", f: parse_NUMBER_27 },
			0x0028: { n: "FORMULA28", f: parse_FORMULA_28 },
			0x008E: { n: "??" },
			0x0093: { n: "??" },
			0x0096: { n: "??" },
			0x0097: { n: "??" },
			0x0098: { n: "??" },
			0x0099: { n: "??" },
			0x009A: { n: "??" },
			0x009B: { n: "??" },
			0x009C: { n: "??" },
			0x00A3: { n: "??" },
			0x00AE: { n: "??" },
			0x00AF: { n: "??" },
			0x00B0: { n: "??" },
			0x00B1: { n: "??" },
			0x00B8: { n: "??" },
			0x00B9: { n: "??" },
			0x00BA: { n: "??" },
			0x00BB: { n: "??" },
			0x00BC: { n: "??" },
			0x00C3: { n: "??" },
			0x00C9: { n: "??" },
			0x00CC: { n: "SHEETNAMECS", f: parse_SHEETNAMECS },
			0x00CD: { n: "??" },
			0x00CE: { n: "??" },
			0x00CF: { n: "??" },
			0x00D0: { n: "??" },
			0x0100: { n: "??" },
			0x0103: { n: "??" },
			0x0104: { n: "??" },
			0x0105: { n: "??" },
			0x0106: { n: "??" },
			0x0107: { n: "??" },
			0x0109: { n: "??" },
			0x010A: { n: "??" },
			0x010B: { n: "??" },
			0x010C: { n: "??" },
			0x010E: { n: "??" },
			0x010F: { n: "??" },
			0x0180: { n: "??" },
			0x0185: { n: "??" },
			0x0186: { n: "??" },
			0x0189: { n: "??" },
			0x018C: { n: "??" },
			0x0200: { n: "??" },
			0x0202: { n: "??" },
			0x0201: { n: "??" },
			0x0204: { n: "??" },
			0x0205: { n: "??" },
			0x0280: { n: "??" },
			0x0281: { n: "??" },
			0x0282: { n: "??" },
			0x0283: { n: "??" },
			0x0284: { n: "??" },
			0x0285: { n: "??" },
			0x0286: { n: "??" },
			0x0287: { n: "??" },
			0x0288: { n: "??" },
			0x0292: { n: "??" },
			0x0293: { n: "??" },
			0x0294: { n: "??" },
			0x0295: { n: "??" },
			0x0296: { n: "??" },
			0x0299: { n: "??" },
			0x029A: { n: "??" },
			0x0300: { n: "??" },
			0x0304: { n: "??" },
			0x0601: { n: "SHEETINFOQP", f: parse_SHEETINFOQP },
			0x0640: { n: "??" },
			0x0642: { n: "??" },
			0x0701: { n: "??" },
			0x0702: { n: "??" },
			0x0703: { n: "??" },
			0x0704: { n: "??" },
			0x0780: { n: "??" },
			0x0800: { n: "??" },
			0x0801: { n: "??" },
			0x0804: { n: "??" },
			0x0A80: { n: "??" },
			0x2AF6: { n: "??" },
			0x3231: { n: "??" },
			0x6E49: { n: "??" },
			0x6F44: { n: "??" },
			0xFFFF: { n: "" }
		};

		/* TODO: fill out and verify this table across QP versions */
		var QPWNFTable = {
			0x05: "dd-mmm-yy",
			0x06: "dd-mmm",
			0x07: "mmm-yy",
			0x08: "mm/dd/yy", // Long Date Intl
			0x0A: "hh:mm:ss AM/PM",
			0x0B: "hh:mm AM/PM",
			0x0E: "dd-mmm-yyyy",
			0x0F: "mmm-yyyy",

			/* It is suspected that the the low nybble specifies decimal places */
			0x0022: "0.00",
			0x0032: "0.00;[Red]0.00",
			0x0042: "0.00;\(0.00\)",
			0x0052: "0.00;[Red]\(0.00\)",
			0x00A2: '"$"#,##0.00;\\("$"#,##0.00\\)',
			0x0120: '0%',
			0x0130: '0E+00',
			0x0140: '# ?/?'
		};

		function parse_qpw_str(p) {
			var cch = p.read_shift(2);
			var flags = p.read_shift(1);
			/* TODO: find examples with nonzero flags */
			if (flags != 0) throw "unsupported QPW string type " + flags.toString(16);
			return p.read_shift(cch, "sbcs-cont");
		}

		/* QPW uses a different set of record types */
		function qpw_to_workbook_buf(d, opts) {
			prep_blob(d, 0);
			var o = opts || {};
			if (DENSE != null && o.dense == null) o.dense = DENSE;
			var s = ({}); if (o.dense) s["!data"] = [];
			var SST = [], sname = "", formulae = [];
			var range = { s: { r: -1, c: -1 }, e: { r: -1, c: -1 } };
			var cnt = 0, type = 0, C = 0, R = 0;
			var wb = { SheetNames: [], Sheets: {} };
			var FMTS = [];
			outer: while (d.l < d.length) {
				var RT = d.read_shift(2), length = d.read_shift(2);
				var p = d.slice(d.l, d.l + length);
				prep_blob(p, 0);
				switch (RT) {
					case 0x01: /* BOF */
						if (p.read_shift(4) != 0x39575051) throw "Bad QPW9 BOF!";
						break;
					case 0x02: /* EOF */ break outer;

					case 0x08: /* NF */ break; // TODO: this is tied to custom number formats

					case 0x0A: /* FORMATS */ {
						var fcnt = p.read_shift(4);
						var step = ((p.length - p.l) / fcnt) | 0;
						for (var ifmt = 0; ifmt < fcnt; ++ifmt) {
							var end = p.l + step;
							var fmt = {};
							p.l += 2;
							fmt.numFmtId = p.read_shift(2);
							if (QPWNFTable[fmt.numFmtId]) fmt.z = QPWNFTable[fmt.numFmtId];
							p.l = end;
							FMTS.push(fmt);
						}
					} break;

					/* TODO: The behavior here should be consistent with Numbers: QP Notebook ~ .TN.SheetArchive, QP Sheet ~ .TST.TableModelArchive */
					case 0x0401: /* BON */ break;
					case 0x0402: /* EON */ /* TODO: backfill missing sheets based on BON cnt */ break;

					case 0x0407: { /* SST */
						p.l += 12;
						while (p.l < p.length) {
							cnt = p.read_shift(2);
							type = p.read_shift(1);
							SST.push(p.read_shift(cnt, 'cstr'));
						}
					} break;
					case 0x0408: { /* FORMULAE */
						//p.l += 12;
						//while(p.l < p.length) {
						//	cnt = p.read_shift(2);
						//	formulae.push(p.slice(p.l, p.l + cnt + 1)); p.l += cnt + 1;
						//}
					} break;

					case 0x0601: { /* BOS */
						var sidx = p.read_shift(2);
						s = ({}); if (o.dense) s["!data"] = [];
						range.s.c = p.read_shift(2);
						range.e.c = p.read_shift(2);
						range.s.r = p.read_shift(4);
						range.e.r = p.read_shift(4);
						p.l += 4;
						if (p.l + 2 < p.length) {
							cnt = p.read_shift(2);
							type = p.read_shift(1);
							sname = cnt == 0 ? "" : p.read_shift(cnt, 'cstr');
						}
						if (!sname) sname = encode_col(sidx);
						/* TODO: backfill empty sheets */
					} break;
					case 0x0602: { /* EOS */
						/* NOTE: QP valid range A1:IV1000000 */
						if (range.s.c > 0xFF || range.s.r > 999999) break;
						if (range.e.c < range.s.c) range.e.c = range.s.c;
						if (range.e.r < range.s.r) range.e.r = range.s.r;
						s["!ref"] = encode_range(range);
						book_append_sheet(wb, s, sname); // TODO: a barrel roll
					} break;

					case 0x0A01: { /* COL (like XLS Row, modulo the layout transposition) */
						C = p.read_shift(2);
						if (range.e.c < C) range.e.c = C;
						if (range.s.c > C) range.s.c = C;
						R = p.read_shift(4);
						if (range.s.r > R) range.s.r = R;
						R = p.read_shift(4);
						if (range.e.r < R) range.e.r = R;
					} break;

					case 0x0C01: { /* MulCells (like XLS MulRK, but takes advantage of common column data patterns) */
						R = p.read_shift(4), cnt = p.read_shift(4);
						if (range.s.r > R) range.s.r = R;
						if (range.e.r < R + cnt - 1) range.e.r = R + cnt - 1;
						var CC = encode_col(C);
						while (p.l < p.length) {
							var cell = { t: "z" };
							var flags = p.read_shift(1), fmtidx = -1;
							if (flags & 0x80) fmtidx = p.read_shift(2);
							var mul = (flags & 0x40) ? p.read_shift(2) - 1 : 0;
							switch (flags & 0x1F) {
								case 0: break;
								case 1: break;
								case 2: cell = { t: "n", v: p.read_shift(2) }; break;
								case 3: cell = { t: "n", v: p.read_shift(2, 'i') }; break;
								case 4: cell = { t: "n", v: parse_RkNumber(p) }; break;
								case 5: cell = { t: "n", v: p.read_shift(8, 'f') }; break;
								case 7: cell = { t: "s", v: SST[type = p.read_shift(4) - 1] }; break;
								case 8:
									cell = { t: "n", v: p.read_shift(8, 'f') };
									p.l += 2; /* cell.f = formulae[p.read_shift(4)]; */ p.l += 4;
									if (isNaN(cell.v)) cell = { t: "e", v: 0x0F }; // #VALUE!
									break;
								default: throw "Unrecognized QPW cell type " + (flags & 0x1F);
							}
							if (fmtidx != -1 && (FMTS[fmtidx - 1] || {}).z) cell.z = FMTS[fmtidx - 1].z;
							var delta = 0;
							if (flags & 0x20) switch (flags & 0x1F) {
								case 2: delta = p.read_shift(2); break;
								case 3: delta = p.read_shift(2, 'i'); break;
								case 7: delta = p.read_shift(2); break;
								default: throw "Unsupported delta for QPW cell type " + (flags & 0x1F);
							}
							if (!(!o.sheetStubs && cell.t == "z")) {
								var newcell = dup(cell);
								if (cell.t == "n" && cell.z && fmt_is_date(cell.z) && o.cellDates) {
									newcell.v = numdate(cell.v); newcell.t = typeof newcell.v == "number" ? 'n' : 'd';
								}
								if (s["!data"] != null) {
									if (!s["!data"][R]) s["!data"][R] = [];
									s["!data"][R][C] = newcell;
								} else s[CC + encode_row(R)] = newcell;
							}
							++R; --cnt;
							while (mul-- > 0 && cnt >= 0) {
								if (flags & 0x20) switch (flags & 0x1F) {
									case 2: cell = { t: "n", v: (cell.v + delta) & 0xFFFF }; break;
									case 3: cell = { t: "n", v: (cell.v + delta) & 0xFFFF }; if (cell.v > 0x7FFF) cell.v -= 0x10000; break;
									case 7: cell = { t: "s", v: SST[type = (type + delta) >>> 0] }; break;
									default: throw "Cannot apply delta for QPW cell type " + (flags & 0x1F);
								} else switch (flags & 0x1F) {
									case 1: cell = { t: "z" }; break;
									case 2: cell = { t: "n", v: p.read_shift(2) }; break;
									case 7: cell = { t: "s", v: SST[type = p.read_shift(4) - 1] }; break;
									default: throw "Cannot apply repeat for QPW cell type " + (flags & 0x1F);
								}
								if (fmtidx != -1);
								if (!(!o.sheetStubs && cell.t == "z")) {
									if (s["!data"] != null) {
										if (!s["!data"][R]) s["!data"][R] = [];
										s["!data"][R][C] = cell;
									} else s[CC + encode_row(R)] = cell;
								}
								++R; --cnt;
							}
						}
					} break;

					case 0x0C02: { /* String (result of string formula expression) */
						C = p.read_shift(2);
						R = p.read_shift(4);
						var str = parse_qpw_str(p);
						/* TODO: QP10 record has an additional unknown character after the string */
						if (s["!data"] != null) {
							if (!s["!data"][R]) s["!data"][R] = [];
							s["!data"][R][C] = { t: "s", v: str };
						} else s[encode_col(C) + encode_row(R)] = { t: "s", v: str };
					} break;

					default: break;
				}
				d.l += length;
			}
			return wb;
		}

		return {
			sheet_to_wk1: sheet_to_wk1,
			book_to_wk3: book_to_wk3,
			to_workbook: lotus_to_workbook
		};
	})();
	/* 18.4.7 rPr CT_RPrElt */
	function parse_rpr(rpr) {
		var font = {}, m = rpr.match(tagregex), i = 0;
		var pass = false;
		if (m) for (; i != m.length; ++i) {
			var y = parsexmltag(m[i]);
			switch (y[0].replace(/<\w*:/g, "<")) {
				/* 18.8.12 condense CT_BooleanProperty */
				/* ** not required . */
				case '<condense': break;
				/* 18.8.17 extend CT_BooleanProperty */
				/* ** not required . */
				case '<extend': break;
				/* 18.8.36 shadow CT_BooleanProperty */
				/* ** not required . */
				case '<shadow':
					if (!y.val) break;
				/* falls through */
				case '<shadow>':
				case '<shadow/>': font.shadow = 1; break;
				case '</shadow>': break;

				/* 18.4.1 charset CT_IntProperty TODO */
				case '<charset':
					if (y.val == '1') break;
					font.cp = CS2CP[parseInt(y.val, 10)];
					break;

				/* 18.4.2 outline CT_BooleanProperty TODO */
				case '<outline':
					if (!y.val) break;
				/* falls through */
				case '<outline>':
				case '<outline/>': font.outline = 1; break;
				case '</outline>': break;

				/* 18.4.5 rFont CT_FontName */
				case '<rFont': font.name = y.val; break;

				/* 18.4.11 sz CT_FontSize */
				case '<sz': font.sz = y.val; break;

				/* 18.4.10 strike CT_BooleanProperty */
				case '<strike':
					if (!y.val) break;
				/* falls through */
				case '<strike>':
				case '<strike/>': font.strike = 1; break;
				case '</strike>': break;

				/* 18.4.13 u CT_UnderlineProperty */
				case '<u':
					if (!y.val) break;
					switch (y.val) {
						case 'double': font.uval = "double"; break;
						case 'singleAccounting': font.uval = "single-accounting"; break;
						case 'doubleAccounting': font.uval = "double-accounting"; break;
					}
				/* falls through */
				case '<u>':
				case '<u/>': font.u = 1; break;
				case '</u>': break;

				/* 18.8.2 b */
				case '<b':
					if (y.val == '0') break;
				/* falls through */
				case '<b>':
				case '<b/>': font.b = 1; break;
				case '</b>': break;

				/* 18.8.26 i */
				case '<i':
					if (y.val == '0') break;
				/* falls through */
				case '<i>':
				case '<i/>': font.i = 1; break;
				case '</i>': break;

				/* 18.3.1.15 color CT_Color TODO: tint, theme, auto, indexed */
				case '<color':
					if (y.rgb) font.color = y.rgb.slice(2, 8);
					break;
				case '<color>': case '<color/>': case '</color>': break;

				/* 18.8.18 family ST_FontFamily */
				case '<family': font.family = y.val; break;
				case '<family>': case '<family/>': case '</family>': break;

				/* 18.4.14 vertAlign CT_VerticalAlignFontProperty TODO */
				case '<vertAlign': font.valign = y.val; break;
				case '<vertAlign>': case '<vertAlign/>': case '</vertAlign>': break;

				/* 18.8.35 scheme CT_FontScheme TODO */
				case '<scheme': break;
				case '<scheme>': case '<scheme/>': case '</scheme>': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default:
					if (y[0].charCodeAt(1) !== 47 && !pass) throw new Error('Unrecognized rich format ' + y[0]);
			}
		}
		return font;
	}

	var parse_rs = (function () {
		/* 18.4.4 r CT_RElt */
		function parse_r(r) {
			/* 18.4.12 t ST_Xstring */
			var t = str_match_xml_ns(r, "t")/*, cp = 65001*/;
			if (!t) return { t: "s", v: "" };

			var o = ({ t: 's', v: unescapexml(t[1]) });
			var rpr = str_match_xml_ns(r, "rPr");
			if (rpr) o.s = parse_rpr(rpr[1]);
			return o;
		}
		var rregex = /<(?:\w+:)?r>/g, rend = /<\/(?:\w+:)?r>/;
		return function parse_rs(rs) {
			return rs.replace(rregex, "").split(rend).map(parse_r).filter(function (r) { return r.v; });
		};
	})();


	/* Parse a list of <r> tags */
	var rs_to_html = (function parse_rs_factory() {
		var nlregex = /(\r\n|\n)/g;
		function parse_rpr2(font, intro, outro) {
			var style = [];

			if (font.u) style.push("text-decoration: underline;");
			if (font.uval) style.push("text-underline-style:" + font.uval + ";");
			if (font.sz) style.push("font-size:" + font.sz + "pt;");
			if (font.outline) style.push("text-effect: outline;");
			if (font.shadow) style.push("text-shadow: auto;");
			intro.push('<span style="' + style.join("") + '">');

			if (font.b) { intro.push("<b>"); outro.push("</b>"); }
			if (font.i) { intro.push("<i>"); outro.push("</i>"); }
			if (font.strike) { intro.push("<s>"); outro.push("</s>"); }

			var align = font.valign || "";
			if (align == "superscript" || align == "super") align = "sup";
			else if (align == "subscript") align = "sub";
			if (align != "") { intro.push("<" + align + ">"); outro.push("</" + align + ">"); }

			outro.push("</span>");
			return font;
		}

		/* 18.4.4 r CT_RElt */
		function r_to_html(r) {
			var terms = [[], r.v, []];
			if (!r.v) return "";

			if (r.s) parse_rpr2(r.s, terms[0], terms[2]);

			return terms[0].join("") + terms[1].replace(nlregex, '<br/>') + terms[2].join("");
		}

		return function parse_rs(rs) {
			return rs.map(r_to_html).join("");
		};
	})();

	/* 18.4.8 si CT_Rst */
	var sitregex = /<(?:\w+:)?t\b[^<>]*>([^<]*)<\/(?:\w+:)?t>/g, sirregex = /<(?:\w+:)?r\b[^<>]*>/;
	function parse_si(x, opts) {
		var html = opts ? opts.cellHTML : true;
		var z = {};
		if (!x) return { t: "" };
		//var y;
		/* 18.4.12 t ST_Xstring (Plaintext String) */
		// TODO: is whitespace actually valid here?
		if (x.match(/^\s*<(?:\w+:)?t[^>]*>/)) {
			z.t = unescapexml(utf8read(x.slice(x.indexOf(">") + 1).split(/<\/(?:\w+:)?t>/)[0] || ""), true);
			z.r = utf8read(x);
			if (html) z.h = escapehtml(z.t);
		}
		/* 18.4.4 r CT_RElt (Rich Text Run) */
		else if ((/*y = */x.match(sirregex))) {
			z.r = utf8read(x);
			z.t = unescapexml(utf8read((str_remove_xml_ns_g(x, "rPh").match(sitregex) || []).join("").replace(tagregex, "")), true);
			if (html) z.h = rs_to_html(parse_rs(z.r));
		}
		/* 18.4.3 phoneticPr CT_PhoneticPr (TODO: needed for Asian support) */
		/* 18.4.6 rPh CT_PhoneticRun (TODO: needed for Asian support) */
		return z;
	}

	/* 18.4 Shared String Table */
	var sstr1 = /<(?:\w+:)?(?:si|sstItem)>/g;
	var sstr2 = /<\/(?:\w+:)?(?:si|sstItem)>/;
	function parse_sst_xml(data, opts) {
		var s = ([]), ss = "";
		if (!data) return s;
		/* 18.4.9 sst CT_Sst */
		var sst = str_match_xml_ns(data, "sst");
		if (sst) {
			ss = sst[1].replace(sstr1, "").split(sstr2);
			for (var i = 0; i != ss.length; ++i) {
				var o = parse_si(ss[i].trim(), opts);
				if (o != null) s[s.length] = o;
			}
			sst = parsexmltag(sst[0].slice(0, sst[0].indexOf(">"))); s.Count = sst.count; s.Unique = sst.uniqueCount;
		}
		return s;
	}

	var straywsregex = /^\s|\s$|[\t\n\r]/;
	function write_sst_xml(sst, opts) {
		if (!opts.bookSST) return "";
		var o = [XML_HEADER];
		o[o.length] = (writextag('sst', null, {
			xmlns: XMLNS_main[0],
			count: sst.Count,
			uniqueCount: sst.Unique
		}));
		for (var i = 0; i != sst.length; ++i) {
			if (sst[i] == null) continue;
			var s = sst[i];
			var sitag = "<si>";
			if (s.r) sitag += s.r;
			else {
				sitag += "<t";
				if (!s.t) s.t = "";
				if (typeof s.t !== "string") s.t = String(s.t);
				if (s.t.match(straywsregex)) sitag += ' xml:space="preserve"';
				sitag += ">" + escapexml(s.t) + "</t>";
			}
			sitag += "</si>";
			o[o.length] = (sitag);
		}
		if (o.length > 2) { o[o.length] = ('</sst>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* [MS-XLSB] 2.4.221 BrtBeginSst */
	function parse_BrtBeginSst(data) {
		return [data.read_shift(4), data.read_shift(4)];
	}

	/* [MS-XLSB] 2.1.7.45 Shared Strings */
	function parse_sst_bin(data, opts) {
		var s = ([]);
		var pass = false;
		recordhopper(data, function hopper_sst(val, R, RT) {
			switch (RT) {
				case 0x009F: /* BrtBeginSst */
					s.Count = val[0]; s.Unique = val[1]; break;
				case 0x0013: /* BrtSSTItem */
					s.push(val); break;
				case 0x00A0: /* BrtEndSst */
					return true;

				case 0x0023: /* BrtFRTBegin */
					pass = true; break;
				case 0x0024: /* BrtFRTEnd */
					pass = false; break;

				default:
					if (R.T) { }
					if (!pass || opts.WTF) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		});
		return s;
	}

	function write_BrtBeginSst(sst, o) {
		if (!o) o = new_buf(8);
		o.write_shift(4, sst.Count);
		o.write_shift(4, sst.Unique);
		return o;
	}

	var write_BrtSSTItem = write_RichStr;

	function write_sst_bin(sst) {
		var ba = buf_array();
		write_record(ba, 0x009F /* BrtBeginSst */, write_BrtBeginSst(sst));
		for (var i = 0; i < sst.length; ++i) write_record(ba, 0x0013 /* BrtSSTItem */, write_BrtSSTItem(sst[i]));
		/* FRTSST */
		write_record(ba, 0x00A0 /* BrtEndSst */);
		return ba.end();
	}
	function _JS2ANSI(str) {
		if (typeof $cptable !== 'undefined') return $cptable.utils.encode(current_ansi, str);
		var o = [], oo = str.split("");
		for (var i = 0; i < oo.length; ++i) o[i] = oo[i].charCodeAt(0);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.4 Version */
	function parse_CRYPTOVersion(blob, length) {
		var o = {};
		o.Major = blob.read_shift(2);
		o.Minor = blob.read_shift(2);
		if (length >= 4) blob.l += length - 4;
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.5 DataSpaceVersionInfo */
	function parse_DataSpaceVersionInfo(blob) {
		var o = {};
		o.id = blob.read_shift(0, 'lpp4');
		o.R = parse_CRYPTOVersion(blob, 4);
		o.U = parse_CRYPTOVersion(blob, 4);
		o.W = parse_CRYPTOVersion(blob, 4);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.6.1 DataSpaceMapEntry Structure */
	function parse_DataSpaceMapEntry(blob) {
		var len = blob.read_shift(4);
		var end = blob.l + len - 4;
		var o = {};
		var cnt = blob.read_shift(4);
		var comps = [];
		/* [MS-OFFCRYPTO] 2.1.6.2 DataSpaceReferenceComponent Structure */
		while (cnt-- > 0) comps.push({ t: blob.read_shift(4), v: blob.read_shift(0, 'lpp4') });
		o.name = blob.read_shift(0, 'lpp4');
		o.comps = comps;
		if (blob.l != end) throw new Error("Bad DataSpaceMapEntry: " + blob.l + " != " + end);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.6 DataSpaceMap */
	function parse_DataSpaceMap(blob) {
		var o = [];
		blob.l += 4; // must be 0x8
		var cnt = blob.read_shift(4);
		while (cnt-- > 0) o.push(parse_DataSpaceMapEntry(blob));
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.7 DataSpaceDefinition */
	function parse_DataSpaceDefinition(blob) {
		var o = [];
		blob.l += 4; // must be 0x8
		var cnt = blob.read_shift(4);
		while (cnt-- > 0) o.push(blob.read_shift(0, 'lpp4'));
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.8 DataSpaceDefinition */
	function parse_TransformInfoHeader(blob) {
		var o = {};
	/*var len = */blob.read_shift(4);
		blob.l += 4; // must be 0x1
		o.id = blob.read_shift(0, 'lpp4');
		o.name = blob.read_shift(0, 'lpp4');
		o.R = parse_CRYPTOVersion(blob, 4);
		o.U = parse_CRYPTOVersion(blob, 4);
		o.W = parse_CRYPTOVersion(blob, 4);
		return o;
	}

	function parse_Primary(blob) {
		/* [MS-OFFCRYPTO] 2.2.6 IRMDSTransformInfo */
		var hdr = parse_TransformInfoHeader(blob);
		/* [MS-OFFCRYPTO] 2.1.9 EncryptionTransformInfo */
		hdr.ename = blob.read_shift(0, '8lpp4');
		hdr.blksz = blob.read_shift(4);
		hdr.cmode = blob.read_shift(4);
		if (blob.read_shift(4) != 0x04) throw new Error("Bad !Primary record");
		return hdr;
	}

	/* [MS-OFFCRYPTO] 2.3.2 Encryption Header */
	function parse_EncryptionHeader(blob, length) {
		var tgt = blob.l + length;
		var o = {};
		o.Flags = (blob.read_shift(4) & 0x3F);
		blob.l += 4;
		o.AlgID = blob.read_shift(4);
		var valid = false;
		switch (o.AlgID) {
			case 0x660E: case 0x660F: case 0x6610: valid = (o.Flags == 0x24); break;
			case 0x6801: valid = (o.Flags == 0x04); break;
			case 0: valid = (o.Flags == 0x10 || o.Flags == 0x04 || o.Flags == 0x24); break;
			default: throw 'Unrecognized encryption algorithm: ' + o.AlgID;
		}
		if (!valid) throw new Error("Encryption Flags/AlgID mismatch");
		o.AlgIDHash = blob.read_shift(4);
		o.KeySize = blob.read_shift(4);
		o.ProviderType = blob.read_shift(4);
		blob.l += 8;
		o.CSPName = blob.read_shift((tgt - blob.l) >> 1, 'utf16le');
		blob.l = tgt;
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.3 Encryption Verifier */
	function parse_EncryptionVerifier(blob, length) {
		var o = {}, tgt = blob.l + length;
		blob.l += 4; // SaltSize must be 0x10
		o.Salt = blob.slice(blob.l, blob.l + 16); blob.l += 16;
		o.Verifier = blob.slice(blob.l, blob.l + 16); blob.l += 16;
	/*var sz = */blob.read_shift(4);
		o.VerifierHash = blob.slice(blob.l, tgt); blob.l = tgt;
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.4.* EncryptionInfo Stream */
	function parse_EncryptionInfo(blob) {
		var vers = parse_CRYPTOVersion(blob);
		switch (vers.Minor) {
			case 0x02: return [vers.Minor, parse_EncInfoStd(blob, vers)];
			case 0x03: return [vers.Minor, parse_EncInfoExt(blob, vers)];
			case 0x04: return [vers.Minor, parse_EncInfoAgl(blob, vers)];
		}
		throw new Error("ECMA-376 Encrypted file unrecognized Version: " + vers.Minor);
	}

	/* [MS-OFFCRYPTO] 2.3.4.5  EncryptionInfo Stream (Standard Encryption) */
	function parse_EncInfoStd(blob) {
		var flags = blob.read_shift(4);
		if ((flags & 0x3F) != 0x24) throw new Error("EncryptionInfo mismatch");
		var sz = blob.read_shift(4);
		//var tgt = blob.l + sz;
		var hdr = parse_EncryptionHeader(blob, sz);
		var verifier = parse_EncryptionVerifier(blob, blob.length - blob.l);
		return { t: "Std", h: hdr, v: verifier };
	}
	/* [MS-OFFCRYPTO] 2.3.4.6  EncryptionInfo Stream (Extensible Encryption) */
	function parse_EncInfoExt() { throw new Error("File is password-protected: ECMA-376 Extensible"); }
	/* [MS-OFFCRYPTO] 2.3.4.10 EncryptionInfo Stream (Agile Encryption) */
	function parse_EncInfoAgl(blob) {
		var KeyData = ["saltSize", "blockSize", "keyBits", "hashSize", "cipherAlgorithm", "cipherChaining", "hashAlgorithm", "saltValue"];
		blob.l += 4;
		var xml = blob.read_shift(blob.length - blob.l, 'utf8');
		var o = {};
		xml.replace(tagregex, function xml_agile(x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<?xml': break;
				case '<encryption': case '</encryption>': break;
				case '<keyData': KeyData.forEach(function (k) { o[k] = y[k]; }); break;
				case '<dataIntegrity': o.encryptedHmacKey = y.encryptedHmacKey; o.encryptedHmacValue = y.encryptedHmacValue; break;
				case '<keyEncryptors>': case '<keyEncryptors': o.encs = []; break;
				case '</keyEncryptors>': break;

				case '<keyEncryptor': o.uri = y.uri; break;
				case '</keyEncryptor>': break;
				case '<encryptedKey': o.encs.push(y); break;
				default: throw y[0];
			}
		});
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.5.1 RC4 CryptoAPI Encryption Header */
	function parse_RC4CryptoHeader(blob, length) {
		var o = {};
		var vers = o.EncryptionVersionInfo = parse_CRYPTOVersion(blob, 4); length -= 4;
		if (vers.Minor != 2) throw new Error('unrecognized minor version code: ' + vers.Minor);
		if (vers.Major > 4 || vers.Major < 2) throw new Error('unrecognized major version code: ' + vers.Major);
		o.Flags = blob.read_shift(4); length -= 4;
		var sz = blob.read_shift(4); length -= 4;
		o.EncryptionHeader = parse_EncryptionHeader(blob, sz); length -= sz;
		o.EncryptionVerifier = parse_EncryptionVerifier(blob, length);
		return o;
	}
	/* [MS-OFFCRYPTO] 2.3.6.1 RC4 Encryption Header */
	function parse_RC4Header(blob) {
		var o = {};
		var vers = o.EncryptionVersionInfo = parse_CRYPTOVersion(blob, 4);
		if (vers.Major != 1 || vers.Minor != 1) throw 'unrecognized version code ' + vers.Major + ' : ' + vers.Minor;
		o.Salt = blob.read_shift(16);
		o.EncryptedVerifier = blob.read_shift(16);
		o.EncryptedVerifierHash = blob.read_shift(16);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.7.1 Binary Document Password Verifier Derivation */
	function crypto_CreatePasswordVerifier_Method1(Password) {
		var Verifier = 0x0000, PasswordArray;
		var PasswordDecoded = _JS2ANSI(Password);
		var len = PasswordDecoded.length + 1, i, PasswordByte;
		var Intermediate1, Intermediate2, Intermediate3;
		PasswordArray = new_raw_buf(len);
		PasswordArray[0] = PasswordDecoded.length;
		for (i = 1; i != len; ++i) PasswordArray[i] = PasswordDecoded[i - 1];
		for (i = len - 1; i >= 0; --i) {
			PasswordByte = PasswordArray[i];
			Intermediate1 = ((Verifier & 0x4000) === 0x0000) ? 0 : 1;
			Intermediate2 = (Verifier << 1) & 0x7FFF;
			Intermediate3 = Intermediate1 | Intermediate2;
			Verifier = Intermediate3 ^ PasswordByte;
		}
		return Verifier ^ 0xCE4B;
	}

	/* [MS-OFFCRYPTO] 2.3.7.2 Binary Document XOR Array Initialization */
	var crypto_CreateXorArray_Method1 = (function () {
		var PadArray = [0xBB, 0xFF, 0xFF, 0xBA, 0xFF, 0xFF, 0xB9, 0x80, 0x00, 0xBE, 0x0F, 0x00, 0xBF, 0x0F, 0x00];
		var InitialCode = [0xE1F0, 0x1D0F, 0xCC9C, 0x84C0, 0x110C, 0x0E10, 0xF1CE, 0x313E, 0x1872, 0xE139, 0xD40F, 0x84F9, 0x280C, 0xA96A, 0x4EC3];
		var XorMatrix = [0xAEFC, 0x4DD9, 0x9BB2, 0x2745, 0x4E8A, 0x9D14, 0x2A09, 0x7B61, 0xF6C2, 0xFDA5, 0xEB6B, 0xC6F7, 0x9DCF, 0x2BBF, 0x4563, 0x8AC6, 0x05AD, 0x0B5A, 0x16B4, 0x2D68, 0x5AD0, 0x0375, 0x06EA, 0x0DD4, 0x1BA8, 0x3750, 0x6EA0, 0xDD40, 0xD849, 0xA0B3, 0x5147, 0xA28E, 0x553D, 0xAA7A, 0x44D5, 0x6F45, 0xDE8A, 0xAD35, 0x4A4B, 0x9496, 0x390D, 0x721A, 0xEB23, 0xC667, 0x9CEF, 0x29FF, 0x53FE, 0xA7FC, 0x5FD9, 0x47D3, 0x8FA6, 0x0F6D, 0x1EDA, 0x3DB4, 0x7B68, 0xF6D0, 0xB861, 0x60E3, 0xC1C6, 0x93AD, 0x377B, 0x6EF6, 0xDDEC, 0x45A0, 0x8B40, 0x06A1, 0x0D42, 0x1A84, 0x3508, 0x6A10, 0xAA51, 0x4483, 0x8906, 0x022D, 0x045A, 0x08B4, 0x1168, 0x76B4, 0xED68, 0xCAF1, 0x85C3, 0x1BA7, 0x374E, 0x6E9C, 0x3730, 0x6E60, 0xDCC0, 0xA9A1, 0x4363, 0x86C6, 0x1DAD, 0x3331, 0x6662, 0xCCC4, 0x89A9, 0x0373, 0x06E6, 0x0DCC, 0x1021, 0x2042, 0x4084, 0x8108, 0x1231, 0x2462, 0x48C4];
		var Ror = function (Byte) { return ((Byte / 2) | (Byte * 128)) & 0xFF; };
		var XorRor = function (byte1, byte2) { return Ror(byte1 ^ byte2); };
		var CreateXorKey_Method1 = function (Password) {
			var XorKey = InitialCode[Password.length - 1];
			var CurrentElement = 0x68;
			for (var i = Password.length - 1; i >= 0; --i) {
				var Char = Password[i];
				for (var j = 0; j != 7; ++j) {
					if (Char & 0x40) XorKey ^= XorMatrix[CurrentElement];
					Char *= 2; --CurrentElement;
				}
			}
			return XorKey;
		};
		return function (password) {
			var Password = _JS2ANSI(password);
			var XorKey = CreateXorKey_Method1(Password);
			var Index = Password.length;
			var ObfuscationArray = new_raw_buf(16);
			for (var i = 0; i != 16; ++i) ObfuscationArray[i] = 0x00;
			var Temp, PasswordLastChar, PadIndex;
			if ((Index & 1) === 1) {
				Temp = XorKey >> 8;
				ObfuscationArray[Index] = XorRor(PadArray[0], Temp);
				--Index;
				Temp = XorKey & 0xFF;
				PasswordLastChar = Password[Password.length - 1];
				ObfuscationArray[Index] = XorRor(PasswordLastChar, Temp);
			}
			while (Index > 0) {
				--Index;
				Temp = XorKey >> 8;
				ObfuscationArray[Index] = XorRor(Password[Index], Temp);
				--Index;
				Temp = XorKey & 0xFF;
				ObfuscationArray[Index] = XorRor(Password[Index], Temp);
			}
			Index = 15;
			PadIndex = 15 - Password.length;
			while (PadIndex > 0) {
				Temp = XorKey >> 8;
				ObfuscationArray[Index] = XorRor(PadArray[PadIndex], Temp);
				--Index;
				--PadIndex;
				Temp = XorKey & 0xFF;
				ObfuscationArray[Index] = XorRor(Password[Index], Temp);
				--Index;
				--PadIndex;
			}
			return ObfuscationArray;
		};
	})();

	/* [MS-OFFCRYPTO] 2.3.7.3 Binary Document XOR Data Transformation Method 1 */
	var crypto_DecryptData_Method1 = function (password, Data, XorArrayIndex, XorArray, O) {
		/* If XorArray is set, use it; if O is not set, make changes in-place */
		if (!O) O = Data;
		if (!XorArray) XorArray = crypto_CreateXorArray_Method1(password);
		var Index, Value;
		for (Index = 0; Index != Data.length; ++Index) {
			Value = Data[Index];
			Value ^= XorArray[XorArrayIndex];
			Value = ((Value >> 5) | (Value << 3)) & 0xFF;
			O[Index] = Value;
			++XorArrayIndex;
		}
		return [O, XorArrayIndex, XorArray];
	};

	var crypto_MakeXorDecryptor = function (password) {
		var XorArrayIndex = 0, XorArray = crypto_CreateXorArray_Method1(password);
		return function (Data) {
			var O = crypto_DecryptData_Method1("", Data, XorArrayIndex, XorArray);
			XorArrayIndex = O[1];
			return O[0];
		};
	};

	/* 2.5.343 */
	function parse_XORObfuscation(blob, length, opts, out) {
		var o = ({ key: parseuint16(blob), verificationBytes: parseuint16(blob) });
		if (opts.password) o.verifier = crypto_CreatePasswordVerifier_Method1(opts.password);
		out.valid = o.verificationBytes === o.verifier;
		if (out.valid) out.insitu = crypto_MakeXorDecryptor(opts.password);
		return o;
	}

	/* 2.4.117 */
	function parse_FilePassHeader(blob, length, oo) {
		var o = oo || {}; o.Info = blob.read_shift(2); blob.l -= 2;
		if (o.Info === 1) o.Data = parse_RC4Header(blob, length);
		else o.Data = parse_RC4CryptoHeader(blob, length);
		return o;
	}
	function parse_FilePass(blob, length, opts) {
		var o = ({ Type: opts.biff >= 8 ? blob.read_shift(2) : 0 }); /* wEncryptionType */
		if (o.Type) parse_FilePassHeader(blob, length - 2, o);
		else parse_XORObfuscation(blob, opts.biff >= 8 ? length : length - 2, opts, o);
		return o;
	}


	function rtf_to_sheet(d, opts) {
		switch (opts.type) {
			case "base64":
				return rtf_to_sheet_str(Base64_decode(d), opts);
			case "binary":
				return rtf_to_sheet_str(d, opts);
			case "buffer":
				return rtf_to_sheet_str(has_buf && Buffer.isBuffer(d) ? d.toString("binary") : a2s(d), opts);
			case "array":
				return rtf_to_sheet_str(cc2str(d), opts);
		}
		throw new Error("Unrecognized type " + opts.type);
	}
	function rtf_to_sheet_str(str, opts) {
		var o = opts || {};
		var ws = {};
		var dense = o.dense;
		if (dense)
			ws["!data"] = [];
		var rows = str_match_ng(str, "\\trowd", "\\row");
		if (!rows)
			throw new Error("RTF missing table");
		var range = { s: { c: 0, r: 0 }, e: { c: 0, r: rows.length - 1 } };
		var row = [];
		rows.forEach(function (rowtf, R) {
			if (dense)
				row = ws["!data"][R] = [];
			var rtfre = /\\[\w\-]+\b/g;
			var last_index = 0;
			var res;
			var C = -1;
			var payload = [];
			while ((res = rtfre.exec(rowtf)) != null) {
				var data = rowtf.slice(last_index, rtfre.lastIndex - res[0].length);
				if (data.charCodeAt(0) == 32)
					data = data.slice(1);
				if (data.length)
					payload.push(data);
				switch (res[0]) {
					case "\\cell":
						++C;
						if (payload.length) {
							var cell = { v: payload.join(""), t: "s" };
							if (cell.v == "TRUE" || cell.v == "FALSE") {
								cell.v = cell.v == "TRUE";
								cell.t = "b";
							} else if (!isNaN(fuzzynum(cell.v))) {
								cell.t = "n";
								if (o.cellText !== false)
									cell.w = cell.v;
								cell.v = fuzzynum(cell.v);
							} else if (RBErr[cell.v] != null) {
								cell.t = "e";
								cell.w = cell.v;
								cell.v = RBErr[cell.v];
							}
							if (dense)
								row[C] = cell;
							else
								ws[encode_cell({ r: R, c: C })] = cell;
						}
						payload = [];
						break;
					case "\\par":
						payload.push("\n");
						break;
				}
				last_index = rtfre.lastIndex;
			}
			if (C > range.e.c)
				range.e.c = C;
		});
		ws["!ref"] = encode_range(range);
		return ws;
	}
	function rtf_to_workbook(d, opts) {
		var wb = sheet_to_workbook(rtf_to_sheet(d, opts), opts);
		wb.bookType = "rtf";
		return wb;
	}
	function sheet_to_rtf(ws, opts) {
		var o = ["{\\rtf1\\ansi"];
		if (!ws["!ref"])
			return o[0] + "}";
		var r = safe_decode_range(ws["!ref"]), cell;
		var dense = ws["!data"] != null, row = [];
		for (var R = r.s.r; R <= r.e.r; ++R) {
			o.push("\\trowd\\trautofit1");
			for (var C = r.s.c; C <= r.e.c; ++C)
				o.push("\\cellx" + (C + 1));
			o.push("\\pard\\intbl");
			if (dense)
				row = ws["!data"][R] || [];
			for (C = r.s.c; C <= r.e.c; ++C) {
				var coord = encode_cell({ r: R, c: C });
				cell = dense ? row[C] : ws[coord];
				if (!cell || cell.v == null && (!cell.f || cell.F)) {
					o.push(" \\cell");
					continue;
				}
				o.push(" " + (cell.w || (format_cell(cell), cell.w) || "").replace(/[\r\n]/g, "\\par "));
				o.push("\\cell");
			}
			o.push("\\pard\\intbl\\row");
		}
		return o.join("") + "}";
	}
	function hex2RGB(h) {
		var o = h.slice(h[0] === "#" ? 1 : 0).slice(0, 6);
		return [parseInt(o.slice(0, 2), 16), parseInt(o.slice(2, 4), 16), parseInt(o.slice(4, 6), 16)];
	}
	function rgb2Hex(rgb) {
		for (var i = 0, o = 1; i != 3; ++i) o = o * 256 + (rgb[i] > 255 ? 255 : rgb[i] < 0 ? 0 : rgb[i]);
		return o.toString(16).toUpperCase().slice(1);
	}

	function rgb2HSL(rgb) {
		var R = rgb[0] / 255, G = rgb[1] / 255, B = rgb[2] / 255;
		var M = Math.max(R, G, B), m = Math.min(R, G, B), C = M - m;
		if (C === 0) return [0, 0, R];

		var H6 = 0, S = 0, L2 = (M + m);
		S = C / (L2 > 1 ? 2 - L2 : L2);
		switch (M) {
			case R: H6 = ((G - B) / C + 6) % 6; break;
			case G: H6 = ((B - R) / C + 2); break;
			case B: H6 = ((R - G) / C + 4); break;
		}
		return [H6 / 6, S, L2 / 2];
	}

	function hsl2RGB(hsl) {
		var H = hsl[0], S = hsl[1], L = hsl[2];
		var C = S * 2 * (L < 0.5 ? L : 1 - L), m = L - C / 2;
		var rgb = [m, m, m], h6 = 6 * H;

		var X;
		if (S !== 0) switch (h6 | 0) {
			case 0: case 6: X = C * h6; rgb[0] += C; rgb[1] += X; break;
			case 1: X = C * (2 - h6); rgb[0] += X; rgb[1] += C; break;
			case 2: X = C * (h6 - 2); rgb[1] += C; rgb[2] += X; break;
			case 3: X = C * (4 - h6); rgb[1] += X; rgb[2] += C; break;
			case 4: X = C * (h6 - 4); rgb[2] += C; rgb[0] += X; break;
			case 5: X = C * (6 - h6); rgb[2] += X; rgb[0] += C; break;
		}
		for (var i = 0; i != 3; ++i) rgb[i] = Math.round(rgb[i] * 255);
		return rgb;
	}

	/* 18.8.3 bgColor tint algorithm */
	function rgb_tint(hex, tint) {
		if (tint === 0) return hex;
		var hsl = rgb2HSL(hex2RGB(hex));
		if (tint < 0) hsl[2] = hsl[2] * (1 + tint);
		else hsl[2] = 1 - (1 - hsl[2]) * (1 - tint);
		return rgb2Hex(hsl2RGB(hsl));
	}

	/* 18.3.1.13 width calculations */
	/* [MS-OI29500] 2.1.595 Column Width & Formatting */
	var DEF_MDW = 6, MAX_MDW = 15, MIN_MDW = 1, MDW = DEF_MDW;
	function width2px(width) { return Math.floor((width + (Math.round(128 / MDW)) / 256) * MDW); }
	function px2char(px) { return (Math.floor((px - 5) / MDW * 100 + 0.5)) / 100; }
	function char2width(chr) { return (Math.round((chr * MDW + 5) / MDW * 256)) / 256; }
	//function px2char_(px) { return (((px - 5)/MDW * 100 + 0.5))/100; }
	//function char2width_(chr) { return (((chr * MDW + 5)/MDW*256))/256; }
	function cycle_width(collw) { return char2width(px2char(width2px(collw))); }
	/* XLSX/XLSB/XLS specify width in units of MDW */
	function find_mdw_colw(collw) {
		var delta = Math.abs(collw - cycle_width(collw)), _MDW = MDW;
		if (delta > 0.005) for (MDW = MIN_MDW; MDW < MAX_MDW; ++MDW) if (Math.abs(collw - cycle_width(collw)) <= delta) { delta = Math.abs(collw - cycle_width(collw)); _MDW = MDW; }
		MDW = _MDW;
	}
	/* XLML specifies width in terms of pixels */
	/*function find_mdw_wpx(wpx) {
		var delta = Infinity, guess = 0, _MDW = MIN_MDW;
		for(MDW=MIN_MDW; MDW<MAX_MDW; ++MDW) {
			guess = char2width_(px2char_(wpx))*256;
			guess = (guess) % 1;
			if(guess > 0.5) guess--;
			if(Math.abs(guess) < delta) { delta = Math.abs(guess); _MDW = MDW; }
		}
		MDW = _MDW;
	}*/

	function process_col(coll) {
		if (coll.width) {
			coll.wpx = width2px(coll.width);
			coll.wch = px2char(coll.wpx);
			coll.MDW = MDW;
		} else if (coll.wpx) {
			coll.wch = px2char(coll.wpx);
			coll.width = char2width(coll.wch);
			coll.MDW = MDW;
		} else if (typeof coll.wch == 'number') {
			coll.width = char2width(coll.wch);
			coll.wpx = width2px(coll.width);
			coll.MDW = MDW;
		}
		if (coll.customWidth) delete coll.customWidth;
	}

	var DEF_PPI = 96, PPI = DEF_PPI;
	function px2pt(px) { return px * 96 / PPI; }
	function pt2px(pt) { return pt * PPI / 96; }

	/* [MS-EXSPXML3] 2.4.54 ST_enmPattern */
	var XLMLPatternTypeMap = {
		"None": "none",
		"Solid": "solid",
		"Gray50": "mediumGray",
		"Gray75": "darkGray",
		"Gray25": "lightGray",
		"HorzStripe": "darkHorizontal",
		"VertStripe": "darkVertical",
		"ReverseDiagStripe": "darkDown",
		"DiagStripe": "darkUp",
		"DiagCross": "darkGrid",
		"ThickDiagCross": "darkTrellis",
		"ThinHorzStripe": "lightHorizontal",
		"ThinVertStripe": "lightVertical",
		"ThinReverseDiagStripe": "lightDown",
		"ThinHorzCross": "lightGrid"
	};

	/* 18.8.5 borders CT_Borders */
	function parse_borders(t, styles, themes, opts) {
		styles.Borders = [];
		var border = {};
		var pass = false;
		(t.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<borders': case '<borders>': case '</borders>': break;

				/* 18.8.4 border CT_Border */
				case '<border': case '<border>': case '<border/>':
					border = {};
					if (y.diagonalUp) border.diagonalUp = parsexmlbool(y.diagonalUp);
					if (y.diagonalDown) border.diagonalDown = parsexmlbool(y.diagonalDown);
					styles.Borders.push(border);
					break;
				case '</border>': break;

				/* note: not in spec, appears to be CT_BorderPr */
				case '<left/>': break;
				case '<left': case '<left>': break;
				case '</left>': break;

				/* note: not in spec, appears to be CT_BorderPr */
				case '<right/>': break;
				case '<right': case '<right>': break;
				case '</right>': break;

				/* 18.8.43 top CT_BorderPr */
				case '<top/>': break;
				case '<top': case '<top>': break;
				case '</top>': break;

				/* 18.8.6 bottom CT_BorderPr */
				case '<bottom/>': break;
				case '<bottom': case '<bottom>': break;
				case '</bottom>': break;

				/* 18.8.13 diagonal CT_BorderPr */
				case '<diagonal': case '<diagonal>': case '<diagonal/>': break;
				case '</diagonal>': break;

				/* 18.8.25 horizontal CT_BorderPr */
				case '<horizontal': case '<horizontal>': case '<horizontal/>': break;
				case '</horizontal>': break;

				/* 18.8.44 vertical CT_BorderPr */
				case '<vertical': case '<vertical>': case '<vertical/>': break;
				case '</vertical>': break;

				/* 18.8.37 start CT_BorderPr */
				case '<start': case '<start>': case '<start/>': break;
				case '</start>': break;

				/* 18.8.16 end CT_BorderPr */
				case '<end': case '<end>': case '<end/>': break;
				case '</end>': break;

				/* 18.8.? color CT_Color */
				case '<color': case '<color>':
					break;
				case '<color/>': case '</color>': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in borders');
				}
			}
		});
	}

	/* 18.8.21 fills CT_Fills */
	function parse_fills(t, styles, themes, opts) {
		styles.Fills = [];
		var fill = {};
		var pass = false;
		(t.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<fills': case '<fills>': case '</fills>': break;

				/* 18.8.20 fill CT_Fill */
				case '<fill>': case '<fill': case '<fill/>':
					fill = {}; styles.Fills.push(fill); break;
				case '</fill>': break;

				/* 18.8.24 gradientFill CT_GradientFill */
				case '<gradientFill>': break;
				case '<gradientFill':
				case '</gradientFill>': styles.Fills.push(fill); fill = {}; break;

				/* 18.8.32 patternFill CT_PatternFill */
				case '<patternFill': case '<patternFill>':
					if (y.patternType) fill.patternType = y.patternType;
					break;
				case '<patternFill/>': case '</patternFill>': break;

				/* 18.8.3 bgColor CT_Color */
				case '<bgColor':
					if (!fill.bgColor) fill.bgColor = {};
					if (y.indexed) fill.bgColor.indexed = parseInt(y.indexed, 10);
					if (y.theme) fill.bgColor.theme = parseInt(y.theme, 10);
					if (y.tint) fill.bgColor.tint = parseFloat(y.tint);
					/* Excel uses ARGB strings */
					if (y.rgb) fill.bgColor.rgb = y.rgb.slice(-6);
					break;
				case '<bgColor/>': case '</bgColor>': break;

				/* 18.8.19 fgColor CT_Color */
				case '<fgColor':
					if (!fill.fgColor) fill.fgColor = {};
					if (y.theme) fill.fgColor.theme = parseInt(y.theme, 10);
					if (y.tint) fill.fgColor.tint = parseFloat(y.tint);
					/* Excel uses ARGB strings */
					if (y.rgb != null) fill.fgColor.rgb = y.rgb.slice(-6);
					break;
				case '<fgColor/>': case '</fgColor>': break;

				/* 18.8.38 stop CT_GradientStop */
				case '<stop': case '<stop/>': break;
				case '</stop>': break;

				/* 18.8.? color CT_Color */
				case '<color': case '<color/>': break;
				case '</color>': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in fills');
				}
			}
		});
	}

	/* 18.8.23 fonts CT_Fonts */
	function parse_fonts(t, styles, themes, opts) {
		styles.Fonts = [];
		var font = {};
		var pass = false;
		(t.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<fonts': case '<fonts>': case '</fonts>': break;

				/* 18.8.22 font CT_Font */
				case '<font': case '<font>': break;
				case '</font>': case '<font/>':
					styles.Fonts.push(font);
					font = {};
					break;

				/* 18.8.29 name CT_FontName */
				case '<name': if (y.val) font.name = utf8read(y.val); break;
				case '<name/>': case '</name>': break;

				/* 18.8.2  b CT_BooleanProperty */
				case '<b': font.bold = y.val ? parsexmlbool(y.val) : 1; break;
				case '<b/>': font.bold = 1; break;
				case '</b>': case '</b': break;

				/* 18.8.26 i CT_BooleanProperty */
				case '<i': font.italic = y.val ? parsexmlbool(y.val) : 1; break;
				case '<i/>': font.italic = 1; break;
				case '</i>': case '</i': break;

				/* 18.4.13 u CT_UnderlineProperty */
				case '<u':
					switch (y.val) {
						case "none": font.underline = 0x00; break;
						case "single": font.underline = 0x01; break;
						case "double": font.underline = 0x02; break;
						case "singleAccounting": font.underline = 0x21; break;
						case "doubleAccounting": font.underline = 0x22; break;
					} break;
				case '<u/>': font.underline = 1; break;
				case '</u>': case '</u': break;

				/* 18.4.10 strike CT_BooleanProperty */
				case '<strike': font.strike = y.val ? parsexmlbool(y.val) : 1; break;
				case '<strike/>': font.strike = 1; break;
				case '</strike>': case '</strike': break;

				/* 18.4.2  outline CT_BooleanProperty */
				case '<outline': font.outline = y.val ? parsexmlbool(y.val) : 1; break;
				case '<outline/>': font.outline = 1; break;
				case '</outline>': case '</outline': break;

				/* 18.8.36 shadow CT_BooleanProperty */
				case '<shadow': font.shadow = y.val ? parsexmlbool(y.val) : 1; break;
				case '<shadow/>': font.shadow = 1; break;
				case '</shadow>': case '</shadow': break;

				/* 18.8.12 condense CT_BooleanProperty */
				case '<condense': font.condense = y.val ? parsexmlbool(y.val) : 1; break;
				case '<condense/>': font.condense = 1; break;
				case '</condense>': case '</condense': break;

				/* 18.8.17 extend CT_BooleanProperty */
				case '<extend': font.extend = y.val ? parsexmlbool(y.val) : 1; break;
				case '<extend/>': font.extend = 1; break;
				case '</extend>': case '</extend': break;

				/* 18.4.11 sz CT_FontSize */
				case '<sz': if (y.val) font.sz = +y.val; break;
				case '<sz/>': case '</sz>': case '</sz': break;

				/* 18.4.14 vertAlign CT_VerticalAlignFontProperty */
				case '<vertAlign': if (y.val) font.vertAlign = y.val; break;
				case '<vertAlign/>': case '</vertAlign>': case '</vertAlign': break;

				/* 18.8.18 family CT_FontFamily */
				case '<family': if (y.val) font.family = parseInt(y.val, 10); break;
				case '<family/>': case '</family>': case '</family': break;

				/* 18.8.35 scheme CT_FontScheme */
				case '<scheme': if (y.val) font.scheme = y.val; break;
				case '<scheme/>': case '</scheme>': case '</scheme': break;

				/* 18.4.1 charset CT_IntProperty */
				case '<charset':
					if (y.val == '1') break;
					y.codepage = CS2CP[parseInt(y.val, 10)];
					break;
				case '<charset/>': case '</charset>': case '</charset': break;

				/* 18.?.? color CT_Color */
				case '<color':
					if (!font.color) font.color = {};
					if (y.auto) font.color.auto = parsexmlbool(y.auto);

					if (y.rgb) font.color.rgb = y.rgb.slice(-6);
					else if (y.indexed) {
						font.color.index = parseInt(y.indexed, 10);
						var icv = XLSIcv[font.color.index];
						if (font.color.index == 81) icv = XLSIcv[1];
						if (!icv) icv = XLSIcv[1]; //throw new Error(x); // note: 206 is valid
						font.color.rgb = icv[0].toString(16) + icv[1].toString(16) + icv[2].toString(16);
					} else if (y.theme) {
						font.color.theme = parseInt(y.theme, 10);
						if (y.tint) font.color.tint = parseFloat(y.tint);
						if (y.theme && themes.themeElements && themes.themeElements.clrScheme) {
							font.color.rgb = rgb_tint(themes.themeElements.clrScheme[font.color.theme].rgb, font.color.tint || 0);
						}
					}

					break;
				case '<color/>': case '</color>': case '</color': break;

				/* note: sometimes mc:AlternateContent appears bare */
				case '<AlternateContent': pass = true; break;
				case '</AlternateContent>': case '</AlternateContent': pass = false; break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in fonts');
				}
			}
		});
	}

	/* 18.8.31 numFmts CT_NumFmts */
	function parse_numFmts(t, styles, opts) {
		styles.NumberFmt = [];
		var k/*Array<number>*/ = (keys(table_fmt));
		for (var i = 0; i < k.length; ++i) styles.NumberFmt[k[i]] = table_fmt[k[i]];
		var m = t.match(tagregex);
		if (!m) return;
		for (i = 0; i < m.length; ++i) {
			var y = parsexmltag(m[i]);
			switch (strip_ns(y[0])) {
				case '<numFmts': case '</numFmts>': case '<numFmts/>': case '<numFmts>': break;
				case '<numFmt': {
					var f = unescapexml(utf8read(y.formatCode)), j = parseInt(y.numFmtId, 10);
					styles.NumberFmt[j] = f;
					if (j > 0) {
						if (j > 0x188) {
							for (j = 0x188; j > 0x3c; --j) if (styles.NumberFmt[j] == null) break;
							styles.NumberFmt[j] = f;
						}
						SSF__load(f, j);
					}
				} break;
				case '</numFmt>': break;
				default: if (opts.WTF) throw new Error('unrecognized ' + y[0] + ' in numFmts');
			}
		}
	}

	function write_numFmts(NF) {
		var o = ["<numFmts>"];
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) o[o.length] = (writextag('numFmt', null, { numFmtId: i, formatCode: escapexml(NF[i]) }));
		});
		if (o.length === 1) return "";
		o[o.length] = ("</numFmts>");
		o[0] = writextag('numFmts', null, { count: o.length - 2 }).replace("/>", ">");
		return o.join("");
	}

	/* 18.8.10 cellXfs CT_CellXfs */
	var cellXF_uint = ["numFmtId", "fillId", "fontId", "borderId", "xfId"];
	var cellXF_bool = ["applyAlignment", "applyBorder", "applyFill", "applyFont", "applyNumberFormat", "applyProtection", "pivotButton", "quotePrefix"];
	function parse_cellXfs(t, styles, opts) {
		styles.CellXf = [];
		var xf;
		var pass = false;
		(t.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x), i = 0;
			switch (strip_ns(y[0])) {
				case '<cellXfs': case '<cellXfs>': case '<cellXfs/>': case '</cellXfs>': break;

				/* 18.8.45 xf CT_Xf */
				case '<xf': case '<xf/>': case '<xf>':
					xf = y;
					delete xf[0];
					for (i = 0; i < cellXF_uint.length; ++i) if (xf[cellXF_uint[i]])
						xf[cellXF_uint[i]] = parseInt(xf[cellXF_uint[i]], 10);
					for (i = 0; i < cellXF_bool.length; ++i) if (xf[cellXF_bool[i]])
						xf[cellXF_bool[i]] = parsexmlbool(xf[cellXF_bool[i]]);
					if (styles.NumberFmt && xf.numFmtId > 0x188) {
						for (i = 0x188; i > 0x3c; --i) if (styles.NumberFmt[xf.numFmtId] == styles.NumberFmt[i]) { xf.numFmtId = i; break; }
					}
					styles.CellXf.push(xf); break;
				case '</xf>': break;

				/* 18.8.1 alignment CT_CellAlignment */
				case '<alignment': case '<alignment/>': case '<alignment>':
					var alignment = {};
					if (y.vertical) alignment.vertical = y.vertical;
					if (y.horizontal) alignment.horizontal = y.horizontal;
					if (y.textRotation != null) alignment.textRotation = y.textRotation;
					if (y.indent) alignment.indent = y.indent;
					if (y.wrapText) alignment.wrapText = parsexmlbool(y.wrapText);
					xf.alignment = alignment;
					break;
				case '</alignment>': break;

				/* 18.8.33 protection CT_CellProtection */
				case '<protection': case '<protection>':
					break;
				case '</protection>': case '<protection/>': break;

				/* note: sometimes mc:AlternateContent appears bare */
				case '<AlternateContent': case '<AlternateContent>': pass = true; break;
				case '</AlternateContent>': pass = false; break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in cellXfs');
				}
			}
		});
	}

	function write_cellXfs(cellXfs) {
		var o = [];
		o[o.length] = (writextag('cellXfs', null));
		cellXfs.forEach(function (c) {
			o[o.length] = (writextag('xf', null, c));
		});
		o[o.length] = ("</cellXfs>");
		if (o.length === 2) return "";
		o[0] = writextag('cellXfs', null, { count: o.length - 2 }).replace("/>", ">");
		return o.join("");
	}

	/* 18.8 Styles CT_Stylesheet*/
	var parse_sty_xml = (function make_pstyx() {

		return function parse_sty_xml(data, themes, opts) {
			var styles = {};
			if (!data) return styles;
			data = remove_doctype(str_remove_ng(data, "<!--", "-->"));
			/* 18.8.39 styleSheet CT_Stylesheet */
			var t;

			/* 18.8.31 numFmts CT_NumFmts ? */
			if ((t = str_match_xml_ns(data, "numFmts"))) parse_numFmts(t[0], styles, opts);

			/* 18.8.23 fonts CT_Fonts ? */
			if ((t = str_match_xml_ns(data, "fonts"))) parse_fonts(t[0], styles, themes, opts);

			/* 18.8.21 fills CT_Fills ? */
			if ((t = str_match_xml_ns(data, "fills"))) parse_fills(t[0], styles, themes, opts);

			/* 18.8.5  borders CT_Borders ? */
			if ((t = str_match_xml_ns(data, "borders"))) parse_borders(t[0], styles, themes, opts);

			/* 18.8.9  cellStyleXfs CT_CellStyleXfs ? */
			/* 18.8.8  cellStyles CT_CellStyles ? */

			/* 18.8.10 cellXfs CT_CellXfs ? */
			if ((t = str_match_xml_ns(data, "cellXfs"))) parse_cellXfs(t[0], styles, opts);

			/* 18.8.15 dxfs CT_Dxfs ? */
			/* 18.8.42 tableStyles CT_TableStyles ? */
			/* 18.8.11 colors CT_Colors ? */
			/* 18.2.10 extLst CT_ExtensionList ? */

			return styles;
		};
	})();

	function write_sty_xml(wb, opts) {
		var o = [XML_HEADER, writextag('styleSheet', null, {
			'xmlns': XMLNS_main[0],
			'xmlns:vt': XMLNS.vt
		})], w;
		if (wb.SSF && (w = write_numFmts(wb.SSF)) != null) o[o.length] = w;
		o[o.length] = ('<fonts count="1"><font><sz val="12"/><color theme="1"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font></fonts>');
		o[o.length] = ('<fills count="2"><fill><patternFill patternType="none"/></fill><fill><patternFill patternType="gray125"/></fill></fills>');
		o[o.length] = ('<borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders>');
		o[o.length] = ('<cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0"/></cellStyleXfs>');
		if ((w = write_cellXfs(opts.cellXfs))) o[o.length] = (w);
		o[o.length] = ('<cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles>');
		o[o.length] = ('<dxfs count="0"/>');
		o[o.length] = ('<tableStyles count="0" defaultTableStyle="TableStyleMedium9" defaultPivotStyle="PivotStyleMedium4"/>');

		if (o.length > 2) { o[o.length] = ('</styleSheet>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* [MS-XLSB] 2.4.657 BrtFmt */
	function parse_BrtFmt(data, length) {
		var numFmtId = data.read_shift(2);
		var stFmtCode = parse_XLWideString(data, length - 2);
		return [numFmtId, stFmtCode];
	}
	function write_BrtFmt(i, f, o) {
		if (!o) o = new_buf(6 + 4 * f.length);
		o.write_shift(2, i);
		write_XLWideString(f, o);
		var out = (o.length > o.l) ? o.slice(0, o.l) : o;
		if (o.l == null) o.l = o.length;
		return out;
	}

	/* [MS-XLSB] 2.4.659 BrtFont TODO */
	function parse_BrtFont(data, length, opts) {
		var out = ({});

		out.sz = data.read_shift(2) / 20;

		var grbit = parse_FontFlags(data, 2, opts);
		if (grbit.fItalic) out.italic = 1;
		if (grbit.fCondense) out.condense = 1;
		if (grbit.fExtend) out.extend = 1;
		if (grbit.fShadow) out.shadow = 1;
		if (grbit.fOutline) out.outline = 1;
		if (grbit.fStrikeout) out.strike = 1;

		var bls = data.read_shift(2);
		if (bls === 0x02BC) out.bold = 1;

		switch (data.read_shift(2)) {
			/* case 0: out.vertAlign = "baseline"; break; */
			case 1: out.vertAlign = "superscript"; break;
			case 2: out.vertAlign = "subscript"; break;
		}

		var underline = data.read_shift(1);
		if (underline != 0) out.underline = underline;

		var family = data.read_shift(1);
		if (family > 0) out.family = family;

		var bCharSet = data.read_shift(1);
		if (bCharSet > 0) out.charset = bCharSet;

		data.l++;
		out.color = parse_BrtColor(data, 8);

		switch (data.read_shift(1)) {
			/* case 0: out.scheme = "none": break; */
			case 1: out.scheme = "major"; break;
			case 2: out.scheme = "minor"; break;
		}

		out.name = parse_XLWideString(data, length - 21);

		return out;
	}
	function write_BrtFont(font, o) {
		if (!o) o = new_buf(25 + 4 * 32);
		o.write_shift(2, font.sz * 20);
		write_FontFlags(font, o);
		o.write_shift(2, font.bold ? 0x02BC : 0x0190);
		var sss = 0;
		if (font.vertAlign == "superscript") sss = 1;
		else if (font.vertAlign == "subscript") sss = 2;
		o.write_shift(2, sss);
		o.write_shift(1, font.underline || 0);
		o.write_shift(1, font.family || 0);
		o.write_shift(1, font.charset || 0);
		o.write_shift(1, 0);
		write_BrtColor(font.color, o);
		var scheme = 0;
		if (font.scheme == "major") scheme = 1;
		if (font.scheme == "minor") scheme = 2;
		o.write_shift(1, scheme);
		write_XLWideString(font.name, o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.650 BrtFill */
	var XLSBFillPTNames = [
		"none",
		"solid",
		"mediumGray",
		"darkGray",
		"lightGray",
		"darkHorizontal",
		"darkVertical",
		"darkDown",
		"darkUp",
		"darkGrid",
		"darkTrellis",
		"lightHorizontal",
		"lightVertical",
		"lightDown",
		"lightUp",
		"lightGrid",
		"lightTrellis",
		"gray125",
		"gray0625"
	];
	var rev_XLSBFillPTNames;
	/* TODO: gradient fill representation */
	var parse_BrtFill = parsenoop;
	function write_BrtFill(fill, o) {
		if (!o) o = new_buf(4 * 3 + 8 * 7 + 16 * 1);
		if (!rev_XLSBFillPTNames) rev_XLSBFillPTNames = (evert(XLSBFillPTNames));
		var fls = rev_XLSBFillPTNames[fill.patternType];
		if (fls == null) fls = 0x28;
		o.write_shift(4, fls);
		var j = 0;
		if (fls != 0x28) {
			/* TODO: custom FG Color */
			write_BrtColor({ auto: 1 }, o);
			/* TODO: custom BG Color */
			write_BrtColor({ auto: 1 }, o);

			for (; j < 12; ++j) o.write_shift(4, 0);
		} else {
			for (; j < 4; ++j) o.write_shift(4, 0);

			for (; j < 12; ++j) o.write_shift(4, 0); /* TODO */
			/* iGradientType */
			/* xnumDegree */
			/* xnumFillToLeft */
			/* xnumFillToRight */
			/* xnumFillToTop */
			/* xnumFillToBottom */
			/* cNumStop */
			/* xfillGradientStop */
		}
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.824 BrtXF */
	function parse_BrtXF(data, length) {
		var tgt = data.l + length;
		var ixfeParent = data.read_shift(2);
		var ifmt = data.read_shift(2);
		data.l = tgt;
		return { ixfe: ixfeParent, numFmtId: ifmt };
	}
	function write_BrtXF(data, ixfeP, o) {
		if (!o) o = new_buf(16);
		o.write_shift(2, ixfeP || 0);
		o.write_shift(2, data.numFmtId || 0);
		o.write_shift(2, 0); /* iFont */
		o.write_shift(2, 0); /* iFill */
		o.write_shift(2, 0); /* ixBorder */
		o.write_shift(1, 0); /* trot */
		o.write_shift(1, 0); /* indent */
		var flow = 0;
		o.write_shift(1, flow); /* flags */
		o.write_shift(1, 0); /* flags */
		o.write_shift(1, 0); /* xfGrbitAtr */
		o.write_shift(1, 0);
		return o;
	}

	/* [MS-XLSB] 2.5.4 Blxf TODO */
	function write_Blxf(data, o) {
		if (!o) o = new_buf(10);
		o.write_shift(1, 0); /* dg */
		o.write_shift(1, 0);
		o.write_shift(4, 0); /* color */
		o.write_shift(4, 0); /* color */
		return o;
	}
	/* [MS-XLSB] 2.4.302 BrtBorder TODO */
	var parse_BrtBorder = parsenoop;
	function write_BrtBorder(border, o) {
		if (!o) o = new_buf(51);
		o.write_shift(1, 0); /* diagonal */
		write_Blxf(null, o); /* top */
		write_Blxf(null, o); /* bottom */
		write_Blxf(null, o); /* left */
		write_Blxf(null, o); /* right */
		write_Blxf(null, o); /* diag */
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.763 BrtStyle TODO */
	function write_BrtStyle(style, o) {
		if (!o) o = new_buf(12 + 4 * 10);
		o.write_shift(4, style.xfId);
		o.write_shift(2, 1);
		o.write_shift(1, +style.builtinId);
		o.write_shift(1, 0); /* iLevel */
		write_XLNullableWideString(style.name || "", o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.272 BrtBeginTableStyles */
	function write_BrtBeginTableStyles(cnt, defTableStyle, defPivotStyle) {
		var o = new_buf(4 + 256 * 2 * 4);
		o.write_shift(4, cnt);
		write_XLNullableWideString(defTableStyle, o);
		write_XLNullableWideString(defPivotStyle, o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.1.7.50 Styles */
	function parse_sty_bin(data, themes, opts) {
		var styles = {};
		styles.NumberFmt = ([]);
		for (var y in table_fmt) styles.NumberFmt[y] = table_fmt[y];

		styles.CellXf = [];
		styles.Fonts = [];
		var state = [];
		var pass = false;
		recordhopper(data, function hopper_sty(val, R, RT) {
			switch (RT) {
				case 0x002C: /* BrtFmt */
					styles.NumberFmt[val[0]] = val[1]; SSF__load(val[1], val[0]);
					break;
				case 0x002B: /* BrtFont */
					styles.Fonts.push(val);
					if (val.color.theme != null && themes && themes.themeElements && themes.themeElements.clrScheme) {
						val.color.rgb = rgb_tint(themes.themeElements.clrScheme[val.color.theme].rgb, val.color.tint || 0);
					}
					break;
				case 0x0401: /* BrtKnownFonts */ break;
				case 0x002D: /* BrtFill */
					break;
				case 0x002E: /* BrtBorder */
					break;
				case 0x002F: /* BrtXF */
					if (state[state.length - 1] == 0x0269 /* BrtBeginCellXFs */) {
						styles.CellXf.push(val);
					}
					break;
				case 0x0030: /* BrtStyle */
				case 0x01FB: /* BrtDXF */
				case 0x023C: /* BrtMRUColor */
				case 0x01DB: /* BrtIndexedColor */
					break;

				case 0x0493: /* BrtDXF14 */
				case 0x0836: /* BrtDXF15 */
				case 0x046A: /* BrtSlicerStyleElement */
				case 0x0200: /* BrtTableStyleElement */
				case 0x082F: /* BrtTimelineStyleElement */
				case 0x0C00: /* BrtUid */
					break;

				case 0x0023: /* BrtFRTBegin */
					pass = true; break;
				case 0x0024: /* BrtFRTEnd */
					pass = false; break;
				case 0x0025: /* BrtACBegin */
					state.push(RT); pass = true; break;
				case 0x0026: /* BrtACEnd */
					state.pop(); pass = false; break;

				default:
					if (R.T > 0) state.push(RT);
					else if (R.T < 0) state.pop();
					else if (!pass || (opts.WTF && state[state.length - 1] != 0x0025 /* BrtACBegin */)) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		});
		return styles;
	}

	function write_FMTS_bin(ba, NF) {
		if (!NF) return;
		var cnt = 0;
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) ++cnt;
		});

		if (cnt == 0) return;
		write_record(ba, 0x0267 /* BrtBeginFmts */, write_UInt32LE(cnt));
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) write_record(ba, 0x002C /* BrtFmt */, write_BrtFmt(i, NF[i]));
		});
		write_record(ba, 0x0268 /* BrtEndFmts */);
	}

	function write_FONTS_bin(ba) {
		var cnt = 1;

		if (cnt == 0) return;
		write_record(ba, 0x0263 /* BrtBeginFonts */, write_UInt32LE(cnt));
		write_record(ba, 0x002B /* BrtFont */, write_BrtFont({
			sz: 12,
			color: { theme: 1 },
			name: "Calibri",
			family: 2,
			scheme: "minor"
		}));
		/* 1*65491BrtFont [ACFONTS] */
		write_record(ba, 0x0264 /* BrtEndFonts */);
	}

	function write_FILLS_bin(ba) {
		var cnt = 2;

		if (cnt == 0) return;
		write_record(ba, 0x025B /* BrtBeginFills */, write_UInt32LE(cnt));
		write_record(ba, 0x002D /* BrtFill */, write_BrtFill({ patternType: "none" }));
		write_record(ba, 0x002D /* BrtFill */, write_BrtFill({ patternType: "gray125" }));
		/* 1*65431BrtFill */
		write_record(ba, 0x025C /* BrtEndFills */);
	}

	function write_BORDERS_bin(ba) {
		var cnt = 1;

		if (cnt == 0) return;
		write_record(ba, 0x0265 /* BrtBeginBorders */, write_UInt32LE(cnt));
		write_record(ba, 0x002E /* BrtBorder */, write_BrtBorder({}));
		/* 1*65430BrtBorder */
		write_record(ba, 0x0266 /* BrtEndBorders */);
	}

	function write_CELLSTYLEXFS_bin(ba) {
		var cnt = 1;
		write_record(ba, 0x0272 /* BrtBeginCellStyleXFs */, write_UInt32LE(cnt));
		write_record(ba, 0x002F /* BrtXF */, write_BrtXF({
			numFmtId: 0,
			fontId: 0,
			fillId: 0,
			borderId: 0
		}, 0xFFFF));
		/* 1*65430(BrtXF *FRT) */
		write_record(ba, 0x0273 /* BrtEndCellStyleXFs */);
	}

	function write_CELLXFS_bin(ba, data) {
		write_record(ba, 0x0269 /* BrtBeginCellXFs */, write_UInt32LE(data.length));
		data.forEach(function (c) { write_record(ba, 0x002F /* BrtXF */, write_BrtXF(c, 0)); });
		/* 1*65430(BrtXF *FRT) */
		write_record(ba, 0x026A /* BrtEndCellXFs */);
	}

	function write_STYLES_bin(ba) {
		var cnt = 1;

		write_record(ba, 0x026B /* BrtBeginStyles */, write_UInt32LE(cnt));
		write_record(ba, 0x0030 /* BrtStyle */, write_BrtStyle({
			xfId: 0,
			builtinId: 0,
			name: "Normal"
		}));
		/* 1*65430(BrtStyle *FRT) */
		write_record(ba, 0x026C /* BrtEndStyles */);
	}

	function write_DXFS_bin(ba) {
		var cnt = 0;

		write_record(ba, 0x01F9 /* BrtBeginDXFs */, write_UInt32LE(cnt));
		/* *2147483647(BrtDXF *FRT) */
		write_record(ba, 0x01FA /* BrtEndDXFs */);
	}

	function write_TABLESTYLES_bin(ba) {
		var cnt = 0;

		write_record(ba, 0x01FC /* BrtBeginTableStyles */, write_BrtBeginTableStyles(cnt, "TableStyleMedium9", "PivotStyleMedium4"));
		/* *TABLESTYLE */
		write_record(ba, 0x01FD /* BrtEndTableStyles */);
	}

	function write_COLORPALETTE_bin() {
		return;
		/* BrtBeginColorPalette [INDEXEDCOLORS] [MRUCOLORS] BrtEndColorPalette */
	}

	/* [MS-XLSB] 2.1.7.50 Styles */
	function write_sty_bin(wb, opts) {
		var ba = buf_array();
		write_record(ba, 0x0116 /* BrtBeginStyleSheet */);
		write_FMTS_bin(ba, wb.SSF);
		write_FONTS_bin(ba, wb);
		write_FILLS_bin(ba, wb);
		write_BORDERS_bin(ba, wb);
		write_CELLSTYLEXFS_bin(ba, wb);
		write_CELLXFS_bin(ba, opts.cellXfs);
		write_STYLES_bin(ba, wb);
		write_DXFS_bin(ba, wb);
		write_TABLESTYLES_bin(ba, wb);
		write_COLORPALETTE_bin(ba, wb);
		/* FRTSTYLESHEET*/
		write_record(ba, 0x0117 /* BrtEndStyleSheet */);
		return ba.end();
	}
	/* Even though theme layout is dk1 lt1 dk2 lt2, true order is lt1 dk1 lt2 dk2 */
	var XLSXThemeClrScheme = [
		'</a:lt1>', '</a:dk1>', '</a:lt2>', '</a:dk2>',
		'</a:accent1>', '</a:accent2>', '</a:accent3>',
		'</a:accent4>', '</a:accent5>', '</a:accent6>',
		'</a:hlink>', '</a:folHlink>'
	];
	/* 20.1.6.2 clrScheme CT_ColorScheme */
	function parse_clrScheme(t, themes, opts) {
		themes.themeElements.clrScheme = [];
		var color = {};
		(t[0].match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (y[0]) {
				/* 20.1.6.2 clrScheme (Color Scheme) CT_ColorScheme */
				case '<a:clrScheme': case '</a:clrScheme>': break;

				/* 20.1.2.3.32 srgbClr CT_SRgbColor */
				case '<a:srgbClr':
					color.rgb = y.val; break;
				case '</a:srgbClr>': break;

				/* 20.1.2.3.33 sysClr CT_SystemColor */
				case '<a:sysClr':
					color.rgb = y.lastClr; break;
				case '</a:sysClr>': break;

				/* 20.1.4.1.1 accent1 (Accent 1) */
				/* 20.1.4.1.2 accent2 (Accent 2) */
				/* 20.1.4.1.3 accent3 (Accent 3) */
				/* 20.1.4.1.4 accent4 (Accent 4) */
				/* 20.1.4.1.5 accent5 (Accent 5) */
				/* 20.1.4.1.6 accent6 (Accent 6) */
				/* 20.1.4.1.9 dk1 (Dark 1) */
				/* 20.1.4.1.10 dk2 (Dark 2) */
				/* 20.1.4.1.15 folHlink (Followed Hyperlink) */
				/* 20.1.4.1.19 hlink (Hyperlink) */
				/* 20.1.4.1.22 lt1 (Light 1) */
				/* 20.1.4.1.23 lt2 (Light 2) */
				case '</a:dk1>':
				case '</a:lt1>':
				case '<a:dk1>':
				case '<a:lt1>':
				case '<a:dk2>': case '</a:dk2>':
				case '<a:lt2>': case '</a:lt2>':
				case '<a:accent1>': case '</a:accent1>':
				case '<a:accent2>': case '</a:accent2>':
				case '<a:accent3>': case '</a:accent3>':
				case '<a:accent4>': case '</a:accent4>':
				case '<a:accent5>': case '</a:accent5>':
				case '<a:accent6>': case '</a:accent6>':
				case '<a:hlink>': case '</a:hlink>':
				case '<a:folHlink>': case '</a:folHlink>':
					if (y[0].charAt(1) === '/') {
						themes.themeElements.clrScheme[XLSXThemeClrScheme.indexOf(y[0])] = color;
						color = {};
					} else {
						color.name = y[0].slice(3, y[0].length - 1);
					}
					break;

				default: if (opts && opts.WTF) throw new Error('Unrecognized ' + y[0] + ' in clrScheme');
			}
		});
	}

	/* 20.1.4.1.18 fontScheme CT_FontScheme */
	function parse_fontScheme() { }

	/* 20.1.4.1.15 fmtScheme CT_StyleMatrix */
	function parse_fmtScheme() { }

	/* 20.1.6.10 themeElements CT_BaseStyles */
	function parse_themeElements(data, themes, opts) {
		themes.themeElements = {};

		var t;

		/* clrScheme CT_ColorScheme */
		if (!(t = str_match_xml(data, "a:clrScheme"))) throw new Error('clrScheme not found in themeElements');
		parse_clrScheme(t, themes, opts);

		/* fontScheme CT_FontScheme */
		if (!(t = str_match_xml(data, "a:fontScheme"))) throw new Error('fontScheme not found in themeElements');
		parse_fontScheme(t, themes, opts);

		/* fmtScheme CT_StyleMatrix */
		if (!(t = str_match_xml(data, "a:fmtScheme"))) throw new Error('fmtScheme not found in themeElements');
		parse_fmtScheme(t, themes, opts);
	}

	/* 14.2.7 Theme Part */
	function parse_theme_xml(data, opts) {
		/* 20.1.6.9 theme CT_OfficeStyleSheet */
		if (!data || data.length === 0) data = write_theme();

		var t;
		var themes = {};

		/* themeElements CT_BaseStyles */
		if (!(t = str_match_xml(data, "a:themeElements"))) throw new Error('themeElements not found in theme');
		parse_themeElements(t[0], themes, opts);
		themes.raw = data;
		return themes;
	}

	function write_theme(Themes, opts) {
		if (opts && opts.themeXLSX) return opts.themeXLSX;
		if (Themes && typeof Themes.raw == "string") return Themes.raw;
		var o = [XML_HEADER];
		o[o.length] = '<a:theme xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" name="Office Theme">';
		o[o.length] = '<a:themeElements>';

		o[o.length] = '<a:clrScheme name="Office">';
		o[o.length] = '<a:dk1><a:sysClr val="windowText" lastClr="000000"/></a:dk1>';
		o[o.length] = '<a:lt1><a:sysClr val="window" lastClr="FFFFFF"/></a:lt1>';
		o[o.length] = '<a:dk2><a:srgbClr val="1F497D"/></a:dk2>';
		o[o.length] = '<a:lt2><a:srgbClr val="EEECE1"/></a:lt2>';
		o[o.length] = '<a:accent1><a:srgbClr val="4F81BD"/></a:accent1>';
		o[o.length] = '<a:accent2><a:srgbClr val="C0504D"/></a:accent2>';
		o[o.length] = '<a:accent3><a:srgbClr val="9BBB59"/></a:accent3>';
		o[o.length] = '<a:accent4><a:srgbClr val="8064A2"/></a:accent4>';
		o[o.length] = '<a:accent5><a:srgbClr val="4BACC6"/></a:accent5>';
		o[o.length] = '<a:accent6><a:srgbClr val="F79646"/></a:accent6>';
		o[o.length] = '<a:hlink><a:srgbClr val="0000FF"/></a:hlink>';
		o[o.length] = '<a:folHlink><a:srgbClr val="800080"/></a:folHlink>';
		o[o.length] = '</a:clrScheme>';

		o[o.length] = '<a:fontScheme name="Office">';
		o[o.length] = '<a:majorFont>';
		o[o.length] = '<a:latin typeface="Cambria"/>';
		o[o.length] = '<a:ea typeface=""/>';
		o[o.length] = '<a:cs typeface=""/>';
		o[o.length] = '<a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/>';
		o[o.length] = '<a:font script="Hang" typeface="맑은 고딕"/>';
		o[o.length] = '<a:font script="Hans" typeface="宋体"/>';
		o[o.length] = '<a:font script="Hant" typeface="新細明體"/>';
		o[o.length] = '<a:font script="Arab" typeface="Times New Roman"/>';
		o[o.length] = '<a:font script="Hebr" typeface="Times New Roman"/>';
		o[o.length] = '<a:font script="Thai" typeface="Tahoma"/>';
		o[o.length] = '<a:font script="Ethi" typeface="Nyala"/>';
		o[o.length] = '<a:font script="Beng" typeface="Vrinda"/>';
		o[o.length] = '<a:font script="Gujr" typeface="Shruti"/>';
		o[o.length] = '<a:font script="Khmr" typeface="MoolBoran"/>';
		o[o.length] = '<a:font script="Knda" typeface="Tunga"/>';
		o[o.length] = '<a:font script="Guru" typeface="Raavi"/>';
		o[o.length] = '<a:font script="Cans" typeface="Euphemia"/>';
		o[o.length] = '<a:font script="Cher" typeface="Plantagenet Cherokee"/>';
		o[o.length] = '<a:font script="Yiii" typeface="Microsoft Yi Baiti"/>';
		o[o.length] = '<a:font script="Tibt" typeface="Microsoft Himalaya"/>';
		o[o.length] = '<a:font script="Thaa" typeface="MV Boli"/>';
		o[o.length] = '<a:font script="Deva" typeface="Mangal"/>';
		o[o.length] = '<a:font script="Telu" typeface="Gautami"/>';
		o[o.length] = '<a:font script="Taml" typeface="Latha"/>';
		o[o.length] = '<a:font script="Syrc" typeface="Estrangelo Edessa"/>';
		o[o.length] = '<a:font script="Orya" typeface="Kalinga"/>';
		o[o.length] = '<a:font script="Mlym" typeface="Kartika"/>';
		o[o.length] = '<a:font script="Laoo" typeface="DokChampa"/>';
		o[o.length] = '<a:font script="Sinh" typeface="Iskoola Pota"/>';
		o[o.length] = '<a:font script="Mong" typeface="Mongolian Baiti"/>';
		o[o.length] = '<a:font script="Viet" typeface="Times New Roman"/>';
		o[o.length] = '<a:font script="Uigh" typeface="Microsoft Uighur"/>';
		o[o.length] = '<a:font script="Geor" typeface="Sylfaen"/>';
		o[o.length] = '</a:majorFont>';
		o[o.length] = '<a:minorFont>';
		o[o.length] = '<a:latin typeface="Calibri"/>';
		o[o.length] = '<a:ea typeface=""/>';
		o[o.length] = '<a:cs typeface=""/>';
		o[o.length] = '<a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/>';
		o[o.length] = '<a:font script="Hang" typeface="맑은 고딕"/>';
		o[o.length] = '<a:font script="Hans" typeface="宋体"/>';
		o[o.length] = '<a:font script="Hant" typeface="新細明體"/>';
		o[o.length] = '<a:font script="Arab" typeface="Arial"/>';
		o[o.length] = '<a:font script="Hebr" typeface="Arial"/>';
		o[o.length] = '<a:font script="Thai" typeface="Tahoma"/>';
		o[o.length] = '<a:font script="Ethi" typeface="Nyala"/>';
		o[o.length] = '<a:font script="Beng" typeface="Vrinda"/>';
		o[o.length] = '<a:font script="Gujr" typeface="Shruti"/>';
		o[o.length] = '<a:font script="Khmr" typeface="DaunPenh"/>';
		o[o.length] = '<a:font script="Knda" typeface="Tunga"/>';
		o[o.length] = '<a:font script="Guru" typeface="Raavi"/>';
		o[o.length] = '<a:font script="Cans" typeface="Euphemia"/>';
		o[o.length] = '<a:font script="Cher" typeface="Plantagenet Cherokee"/>';
		o[o.length] = '<a:font script="Yiii" typeface="Microsoft Yi Baiti"/>';
		o[o.length] = '<a:font script="Tibt" typeface="Microsoft Himalaya"/>';
		o[o.length] = '<a:font script="Thaa" typeface="MV Boli"/>';
		o[o.length] = '<a:font script="Deva" typeface="Mangal"/>';
		o[o.length] = '<a:font script="Telu" typeface="Gautami"/>';
		o[o.length] = '<a:font script="Taml" typeface="Latha"/>';
		o[o.length] = '<a:font script="Syrc" typeface="Estrangelo Edessa"/>';
		o[o.length] = '<a:font script="Orya" typeface="Kalinga"/>';
		o[o.length] = '<a:font script="Mlym" typeface="Kartika"/>';
		o[o.length] = '<a:font script="Laoo" typeface="DokChampa"/>';
		o[o.length] = '<a:font script="Sinh" typeface="Iskoola Pota"/>';
		o[o.length] = '<a:font script="Mong" typeface="Mongolian Baiti"/>';
		o[o.length] = '<a:font script="Viet" typeface="Arial"/>';
		o[o.length] = '<a:font script="Uigh" typeface="Microsoft Uighur"/>';
		o[o.length] = '<a:font script="Geor" typeface="Sylfaen"/>';
		o[o.length] = '</a:minorFont>';
		o[o.length] = '</a:fontScheme>';

		o[o.length] = '<a:fmtScheme name="Office">';
		o[o.length] = '<a:fillStyleLst>';
		o[o.length] = '<a:solidFill><a:schemeClr val="phClr"/></a:solidFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="50000"/><a:satMod val="300000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="35000"><a:schemeClr val="phClr"><a:tint val="37000"/><a:satMod val="300000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:tint val="15000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:lin ang="16200000" scaled="1"/>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="100000"/><a:shade val="100000"/><a:satMod val="130000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:tint val="50000"/><a:shade val="100000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:lin ang="16200000" scaled="0"/>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '</a:fillStyleLst>';
		o[o.length] = '<a:lnStyleLst>';
		o[o.length] = '<a:ln w="9525" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"><a:shade val="95000"/><a:satMod val="105000"/></a:schemeClr></a:solidFill><a:prstDash val="solid"/></a:ln>';
		o[o.length] = '<a:ln w="25400" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:prstDash val="solid"/></a:ln>';
		o[o.length] = '<a:ln w="38100" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:prstDash val="solid"/></a:ln>';
		o[o.length] = '</a:lnStyleLst>';
		o[o.length] = '<a:effectStyleLst>';
		o[o.length] = '<a:effectStyle>';
		o[o.length] = '<a:effectLst>';
		o[o.length] = '<a:outerShdw blurRad="40000" dist="20000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="38000"/></a:srgbClr></a:outerShdw>';
		o[o.length] = '</a:effectLst>';
		o[o.length] = '</a:effectStyle>';
		o[o.length] = '<a:effectStyle>';
		o[o.length] = '<a:effectLst>';
		o[o.length] = '<a:outerShdw blurRad="40000" dist="23000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="35000"/></a:srgbClr></a:outerShdw>';
		o[o.length] = '</a:effectLst>';
		o[o.length] = '</a:effectStyle>';
		o[o.length] = '<a:effectStyle>';
		o[o.length] = '<a:effectLst>';
		o[o.length] = '<a:outerShdw blurRad="40000" dist="23000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="35000"/></a:srgbClr></a:outerShdw>';
		o[o.length] = '</a:effectLst>';
		o[o.length] = '<a:scene3d><a:camera prst="orthographicFront"><a:rot lat="0" lon="0" rev="0"/></a:camera><a:lightRig rig="threePt" dir="t"><a:rot lat="0" lon="0" rev="1200000"/></a:lightRig></a:scene3d>';
		o[o.length] = '<a:sp3d><a:bevelT w="63500" h="25400"/></a:sp3d>';
		o[o.length] = '</a:effectStyle>';
		o[o.length] = '</a:effectStyleLst>';
		o[o.length] = '<a:bgFillStyleLst>';
		o[o.length] = '<a:solidFill><a:schemeClr val="phClr"/></a:solidFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="40000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="40000"><a:schemeClr val="phClr"><a:tint val="45000"/><a:shade val="99000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:shade val="20000"/><a:satMod val="255000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:path path="circle"><a:fillToRect l="50000" t="-80000" r="50000" b="180000"/></a:path>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="80000"/><a:satMod val="300000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:shade val="30000"/><a:satMod val="200000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:path path="circle"><a:fillToRect l="50000" t="50000" r="50000" b="50000"/></a:path>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '</a:bgFillStyleLst>';
		o[o.length] = '</a:fmtScheme>';
		o[o.length] = '</a:themeElements>';

		o[o.length] = '<a:objectDefaults>';
		o[o.length] = '<a:spDef>';
		o[o.length] = '<a:spPr/><a:bodyPr/><a:lstStyle/><a:style><a:lnRef idx="1"><a:schemeClr val="accent1"/></a:lnRef><a:fillRef idx="3"><a:schemeClr val="accent1"/></a:fillRef><a:effectRef idx="2"><a:schemeClr val="accent1"/></a:effectRef><a:fontRef idx="minor"><a:schemeClr val="lt1"/></a:fontRef></a:style>';
		o[o.length] = '</a:spDef>';
		o[o.length] = '<a:lnDef>';
		o[o.length] = '<a:spPr/><a:bodyPr/><a:lstStyle/><a:style><a:lnRef idx="2"><a:schemeClr val="accent1"/></a:lnRef><a:fillRef idx="0"><a:schemeClr val="accent1"/></a:fillRef><a:effectRef idx="1"><a:schemeClr val="accent1"/></a:effectRef><a:fontRef idx="minor"><a:schemeClr val="tx1"/></a:fontRef></a:style>';
		o[o.length] = '</a:lnDef>';
		o[o.length] = '</a:objectDefaults>';
		o[o.length] = '<a:extraClrSchemeLst/>';
		o[o.length] = '</a:theme>';
		return o.join("");
	}
	/* [MS-XLS] 2.4.326 TODO: payload is a zip file */
	function parse_Theme(blob, length, opts) {
		var end = blob.l + length;
		var dwThemeVersion = blob.read_shift(4);
		if (dwThemeVersion === 124226) return;
		if (!opts.cellStyles) { blob.l = end; return; }
		var data = blob.slice(blob.l);
		blob.l = end;
		var zip; try { zip = zip_read(data, { type: "array" }); } catch (e) { return; }
		var themeXML = getzipstr(zip, "theme/theme/theme1.xml", true);
		if (!themeXML) return;
		return parse_theme_xml(themeXML, opts);
	}

	/* 2.5.49 */
	function parse_ColorTheme(blob) { return blob.read_shift(4); }

	/* 2.5.155 */
	function parse_FullColorExt(blob) {
		var o = {};
		o.xclrType = blob.read_shift(2);
		o.nTintShade = blob.read_shift(2);
		switch (o.xclrType) {
			case 0: blob.l += 4; break;
			case 1: o.xclrValue = parse_IcvXF(blob, 4); break;
			case 2: o.xclrValue = parse_LongRGBA(blob, 4); break;
			case 3: o.xclrValue = parse_ColorTheme(blob, 4); break;
			case 4: blob.l += 4; break;
		}
		blob.l += 8;
		return o;
	}

	/* 2.5.164 TODO: read 7 bits*/
	function parse_IcvXF(blob, length) {
		return parsenoop(blob, length);
	}

	/* 2.5.280 */
	function parse_XFExtGradient(blob, length) {
		return parsenoop(blob, length);
	}

	/* [MS-XLS] 2.5.108 */
	function parse_ExtProp(blob) {
		var extType = blob.read_shift(2);
		var cb = blob.read_shift(2) - 4;
		var o = [extType];
		switch (extType) {
			case 0x04: case 0x05: case 0x07: case 0x08:
			case 0x09: case 0x0A: case 0x0B: case 0x0D:
				o[1] = parse_FullColorExt(blob, cb); break;
			case 0x06: o[1] = parse_XFExtGradient(blob, cb); break;
			case 0x0E: case 0x0F: o[1] = blob.read_shift(cb === 1 ? 1 : 2); break;
			default: throw new Error("Unrecognized ExtProp type: " + extType + " " + cb);
		}
		return o;
	}

	/* 2.4.355 */
	function parse_XFExt(blob, length) {
		var end = blob.l + length;
		blob.l += 2;
		var ixfe = blob.read_shift(2);
		blob.l += 2;
		var cexts = blob.read_shift(2);
		var ext = [];
		while (cexts-- > 0) ext.push(parse_ExtProp(blob, end - blob.l));
		return { ixfe: ixfe, ext: ext };
	}

	/* xf is an XF, see parse_XFExt for xfext */
	function update_xfext(xf, xfext) {
		xfext.forEach(function (xfe) {
			switch (xfe[0]) { /* 2.5.108 extPropData */
				case 0x04: break; /* foreground color */
				case 0x05: break; /* background color */
				case 0x06: break; /* gradient fill */
				case 0x07: break; /* top cell border color */
				case 0x08: break; /* bottom cell border color */
				case 0x09: break; /* left cell border color */
				case 0x0a: break; /* right cell border color */
				case 0x0b: break; /* diagonal cell border color */
				case 0x0d: /* text color */
					break;
				case 0x0e: break; /* font scheme */
				case 0x0f: break; /* indentation level */
			}
		});
	}

	function parse_BrtMdtinfo(data, length) {
		return {
			flags: data.read_shift(4),
			version: data.read_shift(4),
			name: parse_XLWideString(data, length - 8)
		};
	}
	function write_BrtMdtinfo(data) {
		var o = new_buf(12 + 2 * data.name.length);
		o.write_shift(4, data.flags);
		o.write_shift(4, data.version);
		write_XLWideString(data.name, o);
		return o.slice(0, o.l);
	}
	function parse_BrtMdb(data) {
		var out = [];
		var cnt = data.read_shift(4);
		while (cnt-- > 0)
			out.push([data.read_shift(4), data.read_shift(4)]);
		return out;
	}
	function write_BrtMdb(mdb) {
		var o = new_buf(4 + 8 * mdb.length);
		o.write_shift(4, mdb.length);
		for (var i = 0; i < mdb.length; ++i) {
			o.write_shift(4, mdb[i][0]);
			o.write_shift(4, mdb[i][1]);
		}
		return o;
	}
	function write_BrtBeginEsfmd(cnt, name) {
		var o = new_buf(8 + 2 * name.length);
		o.write_shift(4, cnt);
		write_XLWideString(name, o);
		return o.slice(0, o.l);
	}
	function parse_BrtBeginEsmdb(data) {
		data.l += 4;
		return data.read_shift(4) != 0;
	}
	function write_BrtBeginEsmdb(cnt, cm) {
		var o = new_buf(8);
		o.write_shift(4, cnt);
		o.write_shift(4, cm ? 1 : 0);
		return o;
	}
	function parse_xlmeta_bin(data, name, _opts) {
		var out = { Types: [], Cell: [], Value: [] };
		var opts = _opts || {};
		var state = [];
		var pass = false;
		var metatype = 2;
		recordhopper(data, function (val, R, RT) {
			switch (RT) {
				case 335:
					out.Types.push({ name: val.name });
					break;
				case 51:
					val.forEach(function (r) {
						if (metatype == 1)
							out.Cell.push({ type: out.Types[r[0] - 1].name, index: r[1] });
						else if (metatype == 0)
							out.Value.push({ type: out.Types[r[0] - 1].name, index: r[1] });
					});
					break;
				case 337:
					metatype = val ? 1 : 0;
					break;
				case 338:
					metatype = 2;
					break;
				case 35:
					state.push(RT);
					pass = true;
					break;
				case 36:
					state.pop();
					pass = false;
					break;
				default:
					if (R.T) {
					} else if (!pass || opts.WTF && state[state.length - 1] != 35)
						throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		});
		return out;
	}
	function write_xlmeta_bin() {
		var ba = buf_array();
		write_record(ba, 332);
		write_record(ba, 334, write_UInt32LE(1));
		write_record(ba, 335, write_BrtMdtinfo({
			name: "XLDAPR",
			version: 12e4,
			flags: 3496657072
		}));
		write_record(ba, 336);
		write_record(ba, 339, write_BrtBeginEsfmd(1, "XLDAPR"));
		write_record(ba, 52);
		write_record(ba, 35, write_UInt32LE(514));
		write_record(ba, 4096, write_UInt32LE(0));
		write_record(ba, 4097, writeuint16(1));
		write_record(ba, 36);
		write_record(ba, 53);
		write_record(ba, 340);
		write_record(ba, 337, write_BrtBeginEsmdb(1, true));
		write_record(ba, 51, write_BrtMdb([[1, 0]]));
		write_record(ba, 338);
		write_record(ba, 333);
		return ba.end();
	}
	function parse_xlmeta_xml(data, name, opts) {
		var out = { Types: [], Cell: [], Value: [] };
		if (!data)
			return out;
		var pass = false;
		var metatype = 2;
		var lastmeta;
		data.replace(tagregex, function (x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case "<?xml":
					break;
				case "<metadata":
				case "</metadata>":
					break;
				case "<metadataTypes":
				case "</metadataTypes>":
					break;
				case "<metadataType":
					out.Types.push({ name: y.name });
					break;
				case "</metadataType>":
					break;
				case "<futureMetadata":
					for (var j = 0; j < out.Types.length; ++j)
						if (out.Types[j].name == y.name)
							lastmeta = out.Types[j];
					break;
				case "</futureMetadata>":
					break;
				case "<bk>":
					break;
				case "</bk>":
					break;
				case "<rc":
					if (metatype == 1)
						out.Cell.push({ type: out.Types[y.t - 1].name, index: +y.v });
					else if (metatype == 0)
						out.Value.push({ type: out.Types[y.t - 1].name, index: +y.v });
					break;
				case "</rc>":
					break;
				case "<cellMetadata":
					metatype = 1;
					break;
				case "</cellMetadata>":
					metatype = 2;
					break;
				case "<valueMetadata":
					metatype = 0;
					break;
				case "</valueMetadata>":
					metatype = 2;
					break;
				case "<extLst":
				case "<extLst>":
				case "</extLst>":
				case "<extLst/>":
					break;
				case "<ext":
					pass = true;
					break;
				case "</ext>":
					pass = false;
					break;
				case "<rvb":
					if (!lastmeta)
						break;
					if (!lastmeta.offsets)
						lastmeta.offsets = [];
					lastmeta.offsets.push(+y.i);
					break;
				default:
					if (!pass && (opts == null ? void 0 : opts.WTF))
						throw new Error("unrecognized " + y[0] + " in metadata");
			}
			return x;
		});
		return out;
	}
	function write_xlmeta_xml() {
		var o = [XML_HEADER];
		o.push('<metadata xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:xlrd="http://schemas.microsoft.com/office/spreadsheetml/2017/richdata" xmlns:xda="http://schemas.microsoft.com/office/spreadsheetml/2017/dynamicarray">\n  <metadataTypes count="1">\n    <metadataType name="XLDAPR" minSupportedVersion="120000" copy="1" pasteAll="1" pasteValues="1" merge="1" splitFirst="1" rowColShift="1" clearFormats="1" clearComments="1" assign="1" coerce="1" cellMeta="1"/>\n  </metadataTypes>\n  <futureMetadata name="XLDAPR" count="1">\n    <bk>\n      <extLst>\n        <ext uri="{bdbb8cdc-fa1e-496e-a857-3c3f30c029c3}">\n          <xda:dynamicArrayProperties fDynamic="1" fCollapsed="0"/>\n        </ext>\n      </extLst>\n    </bk>\n  </futureMetadata>\n  <cellMetadata count="1">\n    <bk>\n      <rc t="1" v="0"/>\n    </bk>\n  </cellMetadata>\n</metadata>');
		return o.join("");
	}
	/* 18.6 Calculation Chain */
	function parse_cc_xml(data) {
		var d = [];
		if (!data) return d;
		var i = 1;
		(data.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (y[0]) {
				case '<?xml': break;
				/* 18.6.2  calcChain CT_CalcChain 1 */
				case '<calcChain': case '<calcChain>': case '</calcChain>': break;
				/* 18.6.1  c CT_CalcCell 1 */
				case '<c': delete y[0]; if (y.i) i = y.i; else y.i = i; d.push(y); break;
			}
		});
		return d;
	}

	//function write_cc_xml(data, opts) { }

	/* [MS-XLSB] 2.6.4.1 */
	function parse_BrtCalcChainItem$(data) {
		var out = {};
		out.i = data.read_shift(4);
		var cell = {};
		cell.r = data.read_shift(4);
		cell.c = data.read_shift(4);
		out.r = encode_cell(cell);
		var flags = data.read_shift(1);
		if (flags & 0x2) out.l = '1';
		if (flags & 0x8) out.a = '1';
		return out;
	}

	/* 18.6 Calculation Chain */
	function parse_cc_bin(data, name, opts) {
		var out = [];
		var pass = false;
		recordhopper(data, function hopper_cc(val, R, RT) {
			switch (RT) {
				case 0x003F: /* 'BrtCalcChainItem$' */
					out.push(val); break;

				default:
					if (R.T) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		});
		return out;
	}

	//function write_cc_bin(data, opts) { }
	/* 18.14 Supplementary Workbook Data */
	function parse_xlink_xml() {
		//var opts = _opts || {};
		//if(opts.WTF) throw "XLSX External Link";
	}

	/* [MS-XLSB] 2.1.7.25 External Link */
	function parse_xlink_bin(data, rel, name, _opts) {
		if (!data) return data;
		var opts = _opts || {};

		var pass = false, end = false;

		recordhopper(data, function xlink_parse(val, R, RT) {
			if (end) return;
			switch (RT) {
				case 0x0167: /* 'BrtSupTabs' */
				case 0x016B: /* 'BrtExternTableStart' */
				case 0x016C: /* 'BrtExternTableEnd' */
				case 0x016E: /* 'BrtExternRowHdr' */
				case 0x016F: /* 'BrtExternCellBlank' */
				case 0x0170: /* 'BrtExternCellReal' */
				case 0x0171: /* 'BrtExternCellBool' */
				case 0x0172: /* 'BrtExternCellError' */
				case 0x0173: /* 'BrtExternCellString' */
				case 0x01D8: /* 'BrtExternValueMeta' */
				case 0x0241: /* 'BrtSupNameStart' */
				case 0x0242: /* 'BrtSupNameValueStart' */
				case 0x0243: /* 'BrtSupNameValueEnd' */
				case 0x0244: /* 'BrtSupNameNum' */
				case 0x0245: /* 'BrtSupNameErr' */
				case 0x0246: /* 'BrtSupNameSt' */
				case 0x0247: /* 'BrtSupNameNil' */
				case 0x0248: /* 'BrtSupNameBool' */
				case 0x0249: /* 'BrtSupNameFmla' */
				case 0x024A: /* 'BrtSupNameBits' */
				case 0x024B: /* 'BrtSupNameEnd' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;

				default:
					if (R.T) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		}, opts);
	}
	/* 20.5 DrawingML - SpreadsheetML Drawing */
	/* 20.5.2.35 wsDr CT_Drawing */
	function parse_drawing(data, rels) {
		if (!data) return "??";
		/*
		  Chartsheet Drawing:
		   - 20.5.2.35 wsDr CT_Drawing
			- 20.5.2.1  absoluteAnchor CT_AbsoluteAnchor
			 - 20.5.2.16 graphicFrame CT_GraphicalObjectFrame
			  - 20.1.2.2.16 graphic CT_GraphicalObject
			   - 20.1.2.2.17 graphicData CT_GraphicalObjectData
			  - chart reference
		   the actual type is based on the URI of the graphicData
			TODO: handle embedded charts and other types of graphics
		*/
		var id = (data.match(/<c:chart [^<>]*r:id="([^<>"]*)"/) || ["", ""])[1];

		return rels['!id'][id].Target;
	}

	/* L.5.5.2 SpreadsheetML Comments + VML Schema */
	function parse_vml(data, sheet, comments) {
		var cidx = 0;
		(str_match_xml_ns_g(data, "shape") || []).forEach(function (m) {
			var type = "";
			var hidden = true;
			var aidx = -1;
			var R = -1, C = -1;
			m.replace(tagregex, function (x, idx) {
				var y = parsexmltag(x);
				switch (strip_ns(y[0])) {
					case '<ClientData': if (y.ObjectType) type = y.ObjectType; break;

					case '<Visible': case '<Visible/>': hidden = false; break;

					case '<Row': case '<Row>': aidx = idx + x.length; break;
					case '</Row>': R = +m.slice(aidx, idx).trim(); break;

					case '<Column': case '<Column>': aidx = idx + x.length; break;
					case '</Column>': C = +m.slice(aidx, idx).trim(); break;
				}
				return "";
			});
			switch (type) {
				case 'Note':
					var cell = ws_get_cell_stub(sheet, ((R >= 0 && C >= 0) ? encode_cell({ r: R, c: C }) : comments[cidx].ref));
					if (cell.c) {
						cell.c.hidden = hidden;
					}
					++cidx;
					break;
			}

		});
	}


	/* comment boxes */
	function write_vml(rId, comments, ws) {
		var csize = [21600, 21600];
		/* L.5.2.1.2 Path Attribute */
		var bbox = ["m0,0l0", csize[1], csize[0], csize[1], csize[0], "0xe"].join(",");
		var o = [
			writextag("xml", null, { 'xmlns:v': XLMLNS.v, 'xmlns:o': XLMLNS.o, 'xmlns:x': XLMLNS.x, 'xmlns:mv': XLMLNS.mv }).replace(/\/>/, ">"),
			writextag("o:shapelayout", writextag("o:idmap", null, { 'v:ext': "edit", 'data': rId }), { 'v:ext': "edit" })
		];

		var _shapeid = 65536 * rId;

		var _comments = comments || [];
		if (_comments.length > 0) o.push(writextag("v:shapetype", [
			writextag("v:stroke", null, { joinstyle: "miter" }),
			writextag("v:path", null, { gradientshapeok: "t", 'o:connecttype': "rect" })
		].join(""), { id: "_x0000_t202", coordsize: csize.join(","), 'o:spt': 202, path: bbox }));

		_comments.forEach(function (x) { ++_shapeid; o.push(write_vml_comment(x, _shapeid)); });
		o.push('</xml>');
		return o.join("");
	}

	function write_vml_comment(x, _shapeid, ws) {
		var c = decode_cell(x[0]);
		var fillopts = { 'color2': "#BEFF82", 'type': "gradient" };
		if (fillopts.type == "gradient") fillopts.angle = "-180";
		var fillparm = fillopts.type == "gradient" ? writextag("o:fill", null, { type: "gradientUnscaled", 'v:ext': "view" }) : null;
		var fillxml = writextag('v:fill', fillparm, fillopts);

		var shadata = ({ on: "t", 'obscured': "t" });

		return [
			'<v:shape' + wxt_helper({
				id: '_x0000_s' + _shapeid,
				type: "#_x0000_t202",
				style: "position:absolute; margin-left:80pt;margin-top:5pt;width:104pt;height:64pt;z-index:10" + (x[1].hidden ? ";visibility:hidden" : ""),
				fillcolor: "#ECFAD4",
				strokecolor: "#edeaa1"
			}) + '>',
			fillxml,
			writextag("v:shadow", null, shadata),
			writextag("v:path", null, { 'o:connecttype': "none" }),
			'<v:textbox><div style="text-align:left"></div></v:textbox>',
			'<x:ClientData ObjectType="Note">',
			'<x:MoveWithCells/>',
			'<x:SizeWithCells/>',
			/* Part 4 19.4.2.3 Anchor (Anchor) */
			writetag('x:Anchor', [c.c + 1, 0, c.r + 1, 0, c.c + 3, 20, c.r + 5, 20].join(",")),
			writetag('x:AutoFill', "False"),
			writetag('x:Row', String(c.r)),
			writetag('x:Column', String(c.c)),
			x[1].hidden ? '' : '<x:Visible/>',
			'</x:ClientData>',
			'</v:shape>'
		].join("");
	}
	function sheet_insert_comments(sheet, comments, threaded, people) {
		var dense = sheet["!data"] != null;
		var cell;
		comments.forEach(function (comment) {
			var r = decode_cell(comment.ref);
			if (r.r < 0 || r.c < 0) return;
			if (dense) {
				if (!sheet["!data"][r.r]) sheet["!data"][r.r] = [];
				cell = sheet["!data"][r.r][r.c];
			} else cell = sheet[comment.ref];
			if (!cell) {
				cell = ({ t: "z" });
				if (dense) sheet["!data"][r.r][r.c] = cell;
				else sheet[comment.ref] = cell;
				var range = safe_decode_range(sheet["!ref"] || "BDWGO1000001:A1");
				if (range.s.r > r.r) range.s.r = r.r;
				if (range.e.r < r.r) range.e.r = r.r;
				if (range.s.c > r.c) range.s.c = r.c;
				if (range.e.c < r.c) range.e.c = r.c;
				var encoded = encode_range(range);
				sheet["!ref"] = encoded;
			}

			if (!cell.c) cell.c = [];
			var o = ({ a: comment.author, t: comment.t, r: comment.r, T: threaded });
			if (comment.h) o.h = comment.h;

			/* threaded comments always override */
			for (var i = cell.c.length - 1; i >= 0; --i) {
				if (!threaded && cell.c[i].T) return;
				if (threaded && !cell.c[i].T) cell.c.splice(i, 1);
			}
			if (threaded && people) for (i = 0; i < people.length; ++i) {
				if (o.a == people[i].id) { o.a = people[i].name || o.a; break; }
			}
			cell.c.push(o);
		});
	}
	/* 18.7 Comments */
	function parse_comments_xml(data, opts) {
		/* 18.7.6 CT_Comments */
		if (data.match(/<(?:\w+:)?comments *\/>/)) return [];
		var authors = [];
		var commentList = [];
		var authtag = str_match_xml_ns(data, "authors");
		if (authtag && authtag[1]) authtag[1].split(/<\/\w*:?author>/).forEach(function (x) {
			if (x === "" || x.trim() === "") return;
			var a = x.match(/<(?:\w+:)?author[^<>]*>(.*)/);
			if (a) authors.push(a[1]);
		});
		var cmnttag = str_match_xml_ns(data, "commentList");
		if (cmnttag && cmnttag[1]) cmnttag[1].split(/<\/\w*:?comment>/).forEach(function (x) {
			if (x === "" || x.trim() === "") return;
			var cm = x.match(/<(?:\w+:)?comment[^<>]*>/);
			if (!cm) return;
			var y = parsexmltag(cm[0]);
			var comment = ({ author: y.authorId && authors[y.authorId] || "sheetjsghost", ref: y.ref, guid: y.guid });
			var cell = decode_cell(y.ref);
			if (opts.sheetRows && opts.sheetRows <= cell.r) return;
			var textMatch = str_match_xml_ns(x, "text");
			var rt = !!textMatch && !!textMatch[1] && parse_si(textMatch[1]) || { r: "", t: "", h: "" };
			comment.r = rt.r;
			if (rt.r == "<t></t>") rt.t = rt.h = "";
			comment.t = (rt.t || "").replace(/\r\n/g, "\n").replace(/\r/g, "\n");
			if (opts.cellHTML) comment.h = rt.h;
			commentList.push(comment);
		});
		return commentList;
	}

	function write_comments_xml(data) {
		var o = [XML_HEADER, writextag('comments', null, { 'xmlns': XMLNS_main[0] })];

		var iauthor = [];
		o.push("<authors>");
		data.forEach(function (x) {
			x[1].forEach(function (w) {
				var a = escapexml(w.a);
				if (iauthor.indexOf(a) == -1) {
					iauthor.push(a);
					o.push("<author>" + a + "</author>");
				}
				if (w.T && w.ID && iauthor.indexOf("tc=" + w.ID) == -1) {
					iauthor.push("tc=" + w.ID);
					o.push("<author>" + "tc=" + w.ID + "</author>");
				}
			});
		});
		if (iauthor.length == 0) { iauthor.push("SheetJ5"); o.push("<author>SheetJ5</author>"); }
		o.push("</authors>");
		o.push("<commentList>");
		data.forEach(function (d) {
			/* 18.7.3 CT_Comment */
			var lastauthor = 0, ts = [], tcnt = 0;
			if (d[1][0] && d[1][0].T && d[1][0].ID) lastauthor = iauthor.indexOf("tc=" + d[1][0].ID);
			d[1].forEach(function (c) {
				if (c.a) lastauthor = iauthor.indexOf(escapexml(c.a));
				if (c.T) ++tcnt;
				ts.push(c.t == null ? "" : escapexml(c.t));
			});
			if (tcnt === 0) {
				d[1].forEach(function (c) {
					o.push('<comment ref="' + d[0] + '" authorId="' + iauthor.indexOf(escapexml(c.a)) + '"><text>');
					o.push(writetag("t", c.t == null ? "" : escapexml(c.t)));
					o.push('</text></comment>');
				});
			} else {
				if (d[1][0] && d[1][0].T && d[1][0].ID) lastauthor = iauthor.indexOf("tc=" + d[1][0].ID);
				/* based on Threaded Comments -> Comments projection */
				o.push('<comment ref="' + d[0] + '" authorId="' + lastauthor + '"><text>');
				var t = "Comment:\n    " + (ts[0]) + "\n";
				for (var i = 1; i < ts.length; ++i) t += "Reply:\n    " + ts[i] + "\n";
				o.push(writetag("t", escapexml(t)));
				o.push('</text></comment>');
			}
		});
		o.push("</commentList>");
		if (o.length > 2) { o[o.length] = ('</comments>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}

	/* [MS-XLSX] 2.1.17 */
	function parse_tcmnt_xml(data, opts) {
		var out = [];
		var pass = false, comment = {}, tidx = 0;
		data.replace(tagregex, function xml_tcmnt(x, idx) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<?xml': break;

				/* 2.6.207 ThreadedComments CT_ThreadedComments */
				case '<ThreadedComments': break;
				case '</ThreadedComments>': break;

				/* 2.6.205 threadedComment CT_ThreadedComment */
				case '<threadedComment': comment = { author: y.personId, guid: y.id, ref: y.ref, T: 1 }; break;
				case '</threadedComment>': if (comment.t != null) out.push(comment); break;

				case '<text>': case '<text': tidx = idx + x.length; break;
				case '</text>': comment.t = data.slice(tidx, idx).replace(/\r\n/g, "\n").replace(/\r/g, "\n"); break;

				/* 2.6.206 mentions CT_ThreadedCommentMentions TODO */
				case '<mentions': case '<mentions>': pass = true; break;
				case '</mentions>': pass = false; break;

				/* 2.6.202 mention CT_Mention TODO */

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': case '<extLst/>': break;
				/* 18.2.7  ext CT_Extension + */
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;

				default: if (!pass && opts.WTF) throw new Error('unrecognized ' + y[0] + ' in threaded comments');
			}
			return x;
		});
		return out;
	}

	function write_tcmnt_xml(comments, people, opts) {
		var o = [XML_HEADER, writextag('ThreadedComments', null, { 'xmlns': XMLNS.TCMNT }).replace(/[\/]>/, ">")];
		comments.forEach(function (carr) {
			var rootid = "";
			(carr[1] || []).forEach(function (c, idx) {
				if (!c.T) { delete c.ID; return; }
				if (c.a && people.indexOf(c.a) == -1) people.push(c.a);
				var tcopts = {
					ref: carr[0],
					id: "{54EE7951-7262-4200-6969-" + ("000000000000" + opts.tcid++).slice(-12) + "}"
				};
				if (idx == 0) rootid = tcopts.id;
				else tcopts.parentId = rootid;
				c.ID = tcopts.id;
				if (c.a) tcopts.personId = "{54EE7950-7262-4200-6969-" + ("000000000000" + people.indexOf(c.a)).slice(-12) + "}";
				o.push(writextag('threadedComment', writetag('text', c.t || ""), tcopts));
			});
		});
		o.push('</ThreadedComments>');
		return o.join("");
	}

	/* [MS-XLSX] 2.1.18 */
	function parse_people_xml(data, opts) {
		var out = [];
		var pass = false;
		data.replace(tagregex, function xml_tcmnt(x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<?xml': break;

				/* 2.4.85 personList CT_PersonList */
				case '<personList': break;
				case '</personList>': break;

				/* 2.6.203 person CT_Person TODO: providers */
				case '<person': out.push({ name: y.displayname, id: y.id }); break;
				case '</person>': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': case '<extLst/>': break;
				/* 18.2.7  ext CT_Extension + */
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;

				default: if (!pass && opts.WTF) throw new Error('unrecognized ' + y[0] + ' in threaded comments');
			}
			return x;
		});
		return out;
	}
	function write_people_xml(people/*, opts*/) {
		var o = [XML_HEADER, writextag('personList', null, {
			'xmlns': XMLNS.TCMNT,
			'xmlns:x': XMLNS_main[0]
		}).replace(/[\/]>/, ">")];
		people.forEach(function (person, idx) {
			o.push(writextag('person', null, {
				displayName: person,
				id: "{54EE7950-7262-4200-6969-" + ("000000000000" + idx).slice(-12) + "}",
				userId: person,
				providerId: "None"
			}));
		});
		o.push("</personList>");
		return o.join("");
	}
	/* [MS-XLSB] 2.4.28 BrtBeginComment */
	function parse_BrtBeginComment(data) {
		var out = {};
		out.iauthor = data.read_shift(4);
		var rfx = parse_UncheckedRfX(data, 16);
		out.rfx = rfx.s;
		out.ref = encode_cell(rfx.s);
		data.l += 16; /*var guid = parse_GUID(data); */
		return out;
	}
	function write_BrtBeginComment(data, o) {
		if (o == null) o = new_buf(36);
		o.write_shift(4, data[1].iauthor);
		write_UncheckedRfX((data[0]), o);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		return o;
	}

	/* [MS-XLSB] 2.4.327 BrtCommentAuthor */
	var parse_BrtCommentAuthor = parse_XLWideString;
	function write_BrtCommentAuthor(data) { return write_XLWideString(data.slice(0, 54)); }

	/* [MS-XLSB] 2.1.7.8 Comments */
	function parse_comments_bin(data, opts) {
		var out = [];
		var authors = [];
		var c = {};
		var pass = false;
		recordhopper(data, function hopper_cmnt(val, R, RT) {
			switch (RT) {
				case 0x0278: /* 'BrtCommentAuthor' */
					authors.push(val); break;
				case 0x027B: /* 'BrtBeginComment' */
					c = val; break;
				case 0x027D: /* 'BrtCommentText' */
					c.t = val.t; c.h = val.h; c.r = val.r; break;
				case 0x027C: /* 'BrtEndComment' */
					c.author = authors[c.iauthor];
					delete (c).iauthor;
					if (opts.sheetRows && c.rfx && opts.sheetRows <= c.rfx.r) break;
					if (!c.t) c.t = "";
					delete c.rfx; out.push(c); break;

				case 0x0C00: /* 'BrtUid' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;
				case 0x0025: /* 'BrtACBegin' */ break;
				case 0x0026: /* 'BrtACEnd' */ break;


				default:
					if (R.T) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		});
		return out;
	}

	function write_comments_bin(data) {
		var ba = buf_array();
		var iauthor = [];
		write_record(ba, 0x0274 /* BrtBeginComments */);

		write_record(ba, 0x0276 /* BrtBeginCommentAuthors */);
		data.forEach(function (comment) {
			comment[1].forEach(function (c) {
				if (iauthor.indexOf(c.a) > -1) return;
				iauthor.push(c.a.slice(0, 54));
				write_record(ba, 0x0278 /* BrtCommentAuthor */, write_BrtCommentAuthor(c.a));
				if (c.T && c.ID && iauthor.indexOf("tc=" + c.ID) == -1) {
					iauthor.push("tc=" + c.ID);
					write_record(ba, 0x0278 /* BrtCommentAuthor */, write_BrtCommentAuthor("tc=" + c.ID));
				}
			});
		});
		write_record(ba, 0x0277 /* BrtEndCommentAuthors */);

		write_record(ba, 0x0279 /* BrtBeginCommentList */);
		data.forEach(function (comment) {
			comment[1].forEach(function (c) {
				var _ia = -1;
				if (c.ID) _ia = iauthor.indexOf("tc=" + c.ID);
				if (_ia == -1 && comment[1][0].T && comment[1][0].ID) _ia = iauthor.indexOf("tc=" + comment[1][0].ID);
				if (_ia == -1) _ia = iauthor.indexOf(c.a);
				c.iauthor = _ia;
				var range = { s: decode_cell(comment[0]), e: decode_cell(comment[0]) };
				write_record(ba, 0x027B /* BrtBeginComment */, write_BrtBeginComment([range, c]));
				if (c.t && c.t.length > 0) write_record(ba, 0x027D /* BrtCommentText */, write_BrtCommentText(c));
				write_record(ba, 0x027C /* BrtEndComment */);
				delete c.iauthor;
			});
		});
		write_record(ba, 0x027A /* BrtEndCommentList */);

		write_record(ba, 0x0275 /* BrtEndComments */);
		return ba.end();
	}
	var CT_VBA = "application/vnd.ms-office.vbaProject";
	function make_vba_xls(cfb) {
		var newcfb = CFB.utils.cfb_new({ root: "R" });
		cfb.FullPaths.forEach(function (p, i) {
			if (p.slice(-1) === "/" || !p.match(/_VBA_PROJECT_CUR/))
				return;
			var newpath = p.replace(/^[^\/]*/, "R").replace(/\/_VBA_PROJECT_CUR\u0000*/, "");
			CFB.utils.cfb_add(newcfb, newpath, cfb.FileIndex[i].content);
		});
		return CFB.write(newcfb);
	}
	function fill_vba_xls(cfb, vba) {
		vba.FullPaths.forEach(function (p, i) {
			if (i == 0)
				return;
			var newpath = p.replace(/^[\/]*[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
			if (newpath.slice(-1) !== "/")
				CFB.utils.cfb_add(cfb, newpath, vba.FileIndex[i].content);
		});
	}
	var VBAFMTS = ["xlsb", "xlsm", "xlam", "biff8", "xla"];
	/* macro and dialog sheet stubs */
	function parse_ds_bin() { return { '!type': 'dialog' }; }
	function parse_ds_xml() { return { '!type': 'dialog' }; }
	function parse_ms_bin() { return { '!type': 'macro' }; }
	function parse_ms_xml() { return { '!type': 'macro' }; }
	/* TODO: it will be useful to parse the function str */
	var rc_to_a1 = (function () {
		var rcregex = /(^|[^A-Za-z_])R(\[?-?\d+\]|[1-9]\d*|)C(\[?-?\d+\]|[1-9]\d*|)(?![A-Za-z0-9_])/g;
		var rcbase = ({ r: 0, c: 0 });
		function rcfunc($$, $1, $2, $3) {
			var cRel = false, rRel = false;

			if ($2.length == 0) rRel = true;
			else if ($2.charAt(0) == "[") { rRel = true; $2 = $2.slice(1, -1); }

			if ($3.length == 0) cRel = true;
			else if ($3.charAt(0) == "[") { cRel = true; $3 = $3.slice(1, -1); }

			var R = $2.length > 0 ? parseInt($2, 10) | 0 : 0, C = $3.length > 0 ? parseInt($3, 10) | 0 : 0;

			if (cRel) C += rcbase.c; else --C;
			if (rRel) R += rcbase.r; else --R;
			return $1 + (cRel ? "" : "$") + encode_col(C) + (rRel ? "" : "$") + encode_row(R);
		}
		return function rc_to_a1(fstr, base) {
			rcbase = base;
			return fstr.replace(rcregex, rcfunc);
		};
	})();

	var crefregex = /(^|[^._A-Z0-9])(\$?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])(\$?)(\d{1,7})(?![_.\(A-Za-z0-9])/g;
	try {
		crefregex = /(^|[^._A-Z0-9])([$]?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])([$]?)(10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})(?![_.\(A-Za-z0-9])/g;
	} catch (e) { }
	var a1_to_rc = (function () {
		return function a1_to_rc(fstr, base) {
			return fstr.replace(crefregex, function ($0, $1, $2, $3, $4, $5) {
				var c = decode_col($3) - ($2 ? 0 : base.c);
				var r = decode_row($5) - ($4 ? 0 : base.r);
				var R = $4 == "$" ? (r + 1) : (r == 0 ? "" : "[" + r + "]");
				var C = $2 == "$" ? (c + 1) : (c == 0 ? "" : "[" + c + "]");
				return $1 + "R" + R + "C" + C;
			});
		};
	})();

	/* no defined name can collide with a valid cell address A1:XFD1048576 ... except LOG10! */
	function shift_formula_str(f, delta) {
		return f.replace(crefregex, function ($0, $1, $2, $3, $4, $5) {
			return $1 + ($2 == "$" ? $2 + $3 : encode_col(decode_col($3) + delta.c)) + ($4 == "$" ? $4 + $5 : encode_row(decode_row($5) + delta.r));
		});
	}

	function shift_formula_xlsx(f, range, cell) {
		var r = decode_range(range), s = r.s, c = decode_cell(cell);
		var delta = { r: c.r - s.r, c: c.c - s.c };
		return shift_formula_str(f, delta);
	}

	/* TODO: parse formula */
	function fuzzyfmla(f) {
		if (f.length == 1) return false;
		return true;
	}

	function _xlfn(f) {
		return f.replace(/_xlfn\./g, "");
	}
	function parseread1(blob) { blob.l += 1; return; }

	/* [MS-XLS] 2.5.51 */
	function parse_ColRelU(blob, length) {
		var c = blob.read_shift(length == 1 ? 1 : 2);
		return [c & 0x3FFF, (c >> 14) & 1, (c >> 15) & 1];
	}

	/* [MS-XLS] 2.5.198.105 ; [MS-XLSB] 2.5.97.89 */
	function parse_RgceArea(blob, length, opts) {
		var w = 2;
		if (opts) {
			if (opts.biff >= 2 && opts.biff <= 5) return parse_RgceArea_BIFF2(blob, length, opts);
			else if (opts.biff == 12) w = 4;
		}
		var r = blob.read_shift(w), R = blob.read_shift(w);
		var c = parse_ColRelU(blob, 2);
		var C = parse_ColRelU(blob, 2);
		return { s: { r: r, c: c[0], cRel: c[1], rRel: c[2] }, e: { r: R, c: C[0], cRel: C[1], rRel: C[2] } };
	}
	/* BIFF 2-5 encodes flags in the row field */
	function parse_RgceArea_BIFF2(blob) {
		var r = parse_ColRelU(blob, 2), R = parse_ColRelU(blob, 2);
		var c = blob.read_shift(1);
		var C = blob.read_shift(1);
		return { s: { r: r[0], c: c, cRel: r[1], rRel: r[2] }, e: { r: R[0], c: C, cRel: R[1], rRel: R[2] } };
	}

	/* [MS-XLS] 2.5.198.105 ; [MS-XLSB] 2.5.97.90 */
	function parse_RgceAreaRel(blob, length, opts) {
		if (opts.biff < 8) return parse_RgceArea_BIFF2(blob, length, opts);
		var r = blob.read_shift(opts.biff == 12 ? 4 : 2), R = blob.read_shift(opts.biff == 12 ? 4 : 2);
		var c = parse_ColRelU(blob, 2);
		var C = parse_ColRelU(blob, 2);
		return { s: { r: r, c: c[0], cRel: c[1], rRel: c[2] }, e: { r: R, c: C[0], cRel: C[1], rRel: C[2] } };
	}

	/* [MS-XLS] 2.5.198.109 ; [MS-XLSB] 2.5.97.91 */
	function parse_RgceLoc(blob, length, opts) {
		if (opts && opts.biff >= 2 && opts.biff <= 5) return parse_RgceLoc_BIFF2(blob, length, opts);
		var r = blob.read_shift(opts && opts.biff == 12 ? 4 : 2);
		var c = parse_ColRelU(blob, 2);
		return { r: r, c: c[0], cRel: c[1], rRel: c[2] };
	}
	function parse_RgceLoc_BIFF2(blob) {
		var r = parse_ColRelU(blob, 2);
		var c = blob.read_shift(1);
		return { r: r[0], c: c, cRel: r[1], rRel: r[2] };
	}

	/* [MS-XLS] 2.5.198.107, 2.5.47 */
	function parse_RgceElfLoc(blob) {
		var r = blob.read_shift(2);
		var c = blob.read_shift(2);
		return { r: r, c: c & 0xFF, fQuoted: !!(c & 0x4000), cRel: c >> 15, rRel: c >> 15 };
	}

	/* [MS-XLS] 2.5.198.111 ; [MS-XLSB] 2.5.97.92 TODO */
	function parse_RgceLocRel(blob, length, opts) {
		var biff = opts && opts.biff ? opts.biff : 8;
		if (biff >= 2 && biff <= 5) return parse_RgceLocRel_BIFF2(blob, length, opts);
		var r = blob.read_shift(biff >= 12 ? 4 : 2);
		var cl = blob.read_shift(2);
		var cRel = (cl & 0x4000) >> 14, rRel = (cl & 0x8000) >> 15;
		cl &= 0x3FFF;
		if (rRel == 1) while (r > 0x7FFFF) r -= 0x100000;
		if (cRel == 1) while (cl > 0x1FFF) cl = cl - 0x4000;
		return { r: r, c: cl, cRel: cRel, rRel: rRel };
	}
	function parse_RgceLocRel_BIFF2(blob) {
		var rl = blob.read_shift(2);
		var c = blob.read_shift(1);
		var rRel = (rl & 0x8000) >> 15, cRel = (rl & 0x4000) >> 14;
		rl &= 0x3FFF;
		if (rRel == 1 && rl >= 0x2000) rl = rl - 0x4000;
		if (cRel == 1 && c >= 0x80) c = c - 0x100;
		return { r: rl, c: c, cRel: cRel, rRel: rRel };
	}

	/* [MS-XLS] 2.5.198.27 ; [MS-XLSB] 2.5.97.18 */
	function parse_PtgArea(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var area = parse_RgceArea(blob, opts.biff >= 2 && opts.biff <= 5 ? 6 : 8, opts);
		return [type, area];
	}

	/* [MS-XLS] 2.5.198.28 ; [MS-XLSB] 2.5.97.19 */
	function parse_PtgArea3d(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var ixti = blob.read_shift(2, 'i');
		var w = 8;
		if (opts) switch (opts.biff) {
			case 5: blob.l += 12; w = 6; break;
			case 12: w = 12; break;
		}
		var area = parse_RgceArea(blob, w, opts);
		return [type, ixti, area];
	}

	/* [MS-XLS] 2.5.198.29 ; [MS-XLSB] 2.5.97.20 */
	function parse_PtgAreaErr(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		blob.l += opts && (opts.biff > 8) ? 12 : (opts.biff < 8 ? 6 : 8);
		return [type];
	}
	/* [MS-XLS] 2.5.198.30 ; [MS-XLSB] 2.5.97.21 */
	function parse_PtgAreaErr3d(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var ixti = blob.read_shift(2);
		var w = 8;
		if (opts) switch (opts.biff) {
			case 5: blob.l += 12; w = 6; break;
			case 12: w = 12; break;
		}
		blob.l += w;
		return [type, ixti];
	}

	/* [MS-XLS] 2.5.198.31 ; [MS-XLSB] 2.5.97.22 */
	function parse_PtgAreaN(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var area = parse_RgceAreaRel(blob, length - 1, opts);
		return [type, area];
	}

	/* [MS-XLS] 2.5.198.32 ; [MS-XLSB] 2.5.97.23 */
	function parse_PtgArray(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		blob.l += opts.biff == 2 ? 6 : opts.biff == 12 ? 14 : 7;
		return [type];
	}

	/* [MS-XLS] 2.5.198.33 ; [MS-XLSB] 2.5.97.24 */
	function parse_PtgAttrBaxcel(blob) {
		var bitSemi = blob[blob.l + 1] & 0x01; /* 1 = volatile */
		var bitBaxcel = 1;
		blob.l += 4;
		return [bitSemi, bitBaxcel];
	}

	/* [MS-XLS] 2.5.198.34 ; [MS-XLSB] 2.5.97.25 */
	function parse_PtgAttrChoose(blob, length, opts) {
		blob.l += 2;
		var offset = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		var o = [];
		/* offset is 1 less than the number of elements */
		for (var i = 0; i <= offset; ++i) o.push(blob.read_shift(opts && opts.biff == 2 ? 1 : 2));
		return o;
	}

	/* [MS-XLS] 2.5.198.35 ; [MS-XLSB] 2.5.97.26 */
	function parse_PtgAttrGoto(blob, length, opts) {
		var bitGoto = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += 2;
		return [bitGoto, blob.read_shift(opts && opts.biff == 2 ? 1 : 2)];
	}

	/* [MS-XLS] 2.5.198.36 ; [MS-XLSB] 2.5.97.27 */
	function parse_PtgAttrIf(blob, length, opts) {
		var bitIf = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += 2;
		return [bitIf, blob.read_shift(opts && opts.biff == 2 ? 1 : 2)];
	}

	/* [MS-XLSB] 2.5.97.28 */
	function parse_PtgAttrIfError(blob) {
		var bitIf = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += 2;
		return [bitIf, blob.read_shift(2)];
	}

	/* [MS-XLS] 2.5.198.37 ; [MS-XLSB] 2.5.97.29 */
	function parse_PtgAttrSemi(blob, length, opts) {
		var bitSemi = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += opts && opts.biff == 2 ? 3 : 4;
		return [bitSemi];
	}

	/* [MS-XLS] 2.5.198.40 ; [MS-XLSB] 2.5.97.32 */
	function parse_PtgAttrSpaceType(blob) {
		var type = blob.read_shift(1), cch = blob.read_shift(1);
		return [type, cch];
	}

	/* [MS-XLS] 2.5.198.38 ; [MS-XLSB] 2.5.97.30 */
	function parse_PtgAttrSpace(blob) {
		blob.read_shift(2);
		return parse_PtgAttrSpaceType(blob, 2);
	}

	/* [MS-XLS] 2.5.198.39 ; [MS-XLSB] 2.5.97.31 */
	function parse_PtgAttrSpaceSemi(blob) {
		blob.read_shift(2);
		return parse_PtgAttrSpaceType(blob, 2);
	}

	/* [MS-XLS] 2.5.198.84 ; [MS-XLSB] 2.5.97.68 TODO */
	function parse_PtgRef(blob, length, opts) {
		//var ptg = blob[blob.l] & 0x1F;
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var loc = parse_RgceLoc(blob, 0, opts);
		return [type, loc];
	}

	/* [MS-XLS] 2.5.198.88 ; [MS-XLSB] 2.5.97.72 TODO */
	function parse_PtgRefN(blob, length, opts) {
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var loc = parse_RgceLocRel(blob, 0, opts);
		return [type, loc];
	}

	/* [MS-XLS] 2.5.198.85 ; [MS-XLSB] 2.5.97.69 TODO */
	function parse_PtgRef3d(blob, length, opts) {
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var ixti = blob.read_shift(2); // XtiIndex
		if (opts && opts.biff == 5) blob.l += 12;
		var loc = parse_RgceLoc(blob, 0, opts); // TODO: or RgceLocRel
		return [type, ixti, loc];
	}


	/* [MS-XLS] 2.5.198.62 ; [MS-XLSB] 2.5.97.45 TODO */
	function parse_PtgFunc(blob, length, opts) {
		//var ptg = blob[blob.l] & 0x1F;
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var iftab = blob.read_shift(opts && opts.biff <= 3 ? 1 : 2);
		return [FtabArgc[iftab], Ftab[iftab], type];
	}
	/* [MS-XLS] 2.5.198.63 ; [MS-XLSB] 2.5.97.46 TODO */
	function parse_PtgFuncVar(blob, length, opts) {
		var type = blob[blob.l++];
		var cparams = blob.read_shift(1), tab = opts && opts.biff <= 3 ? [(type == 0x58 ? -1 : 0), blob.read_shift(1)] : parsetab(blob);
		return [cparams, (tab[0] === 0 ? Ftab : Cetab)[tab[1]]];
	}

	function parsetab(blob) {
		return [blob[blob.l + 1] >> 7, blob.read_shift(2) & 0x7FFF];
	}

	/* [MS-XLS] 2.5.198.41 ; [MS-XLSB] 2.5.97.33 */
	function parse_PtgAttrSum(blob, length, opts) {
		blob.l += opts && opts.biff == 2 ? 3 : 4; return;
	}

	/* [MS-XLS] 2.5.198.58 ; [MS-XLSB] 2.5.97.40 */
	function parse_PtgExp(blob, length, opts) {
		blob.l++;
		if (opts && opts.biff == 12) return [blob.read_shift(4, 'i'), 0];
		var row = blob.read_shift(2);
		var col = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		return [row, col];
	}

	/* [MS-XLS] 2.5.198.57 ; [MS-XLSB] 2.5.97.39 */
	function parse_PtgErr(blob) { blob.l++; return BErr[blob.read_shift(1)]; }

	/* [MS-XLS] 2.5.198.66 ; [MS-XLSB] 2.5.97.49 */
	function parse_PtgInt(blob) { blob.l++; return blob.read_shift(2); }

	/* [MS-XLS] 2.5.198.42 ; [MS-XLSB] 2.5.97.34 */
	function parse_PtgBool(blob) { blob.l++; return blob.read_shift(1) !== 0; }

	/* [MS-XLS] 2.5.198.79 ; [MS-XLSB] 2.5.97.63 */
	function parse_PtgNum(blob) { blob.l++; return parse_Xnum(blob, 8); }

	/* [MS-XLS] 2.5.198.89 ; [MS-XLSB] 2.5.97.74 */
	function parse_PtgStr(blob, length, opts) { blob.l++; return parse_ShortXLUnicodeString(blob, length - 1, opts); }

	/* [MS-XLS] 2.5.192.112 + 2.5.192.11{3,4,5,6,7} */
	/* [MS-XLSB] 2.5.97.93 + 2.5.97.9{4,5,6,7} */
	function parse_SerAr(blob, biff) {
		var val = [blob.read_shift(1)];
		if (biff == 12) switch (val[0]) {
			case 0x02: val[0] = 0x04; break; /* SerBool */
			case 0x04: val[0] = 0x10; break; /* SerErr */
			case 0x00: val[0] = 0x01; break; /* SerNum */
			case 0x01: val[0] = 0x02; break; /* SerStr */
		}
		switch (val[0]) {
			case 0x04: /* SerBool -- boolean */
				val[1] = parsebool(blob, 1) ? 'TRUE' : 'FALSE';
				if (biff != 12) blob.l += 7; break;
			case 0x25: /* appears to be an alias */
			case 0x10: /* SerErr -- error */
				val[1] = BErr[blob[blob.l]];
				blob.l += ((biff == 12) ? 4 : 8); break;
			case 0x00: /* SerNil -- honestly, I'm not sure how to reproduce this */
				blob.l += 8; break;
			case 0x01: /* SerNum -- Xnum */
				val[1] = parse_Xnum(blob, 8); break;
			case 0x02: /* SerStr -- XLUnicodeString (<256 chars) */
				val[1] = parse_XLUnicodeString2(blob, 0, { biff: biff > 0 && biff < 8 ? 2 : biff }); break;
			default: throw new Error("Bad SerAr: " + val[0]); /* Unreachable */
		}
		return val;
	}

	/* [MS-XLS] 2.5.198.61 ; [MS-XLSB] 2.5.97.44 */
	function parse_PtgExtraMem(blob, cce, opts) {
		var count = blob.read_shift((opts.biff == 12) ? 4 : 2);
		var out = [];
		for (var i = 0; i != count; ++i) out.push(((opts.biff == 12) ? parse_UncheckedRfX : parse_Ref8U)(blob, 8));
		return out;
	}

	/* [MS-XLS] 2.5.198.59 ; [MS-XLSB] 2.5.97.41 */
	function parse_PtgExtraArray(blob, length, opts) {
		var rows = 0, cols = 0;
		if (opts.biff == 12) {
			rows = blob.read_shift(4); // DRw
			cols = blob.read_shift(4); // DCol
		} else {
			cols = 1 + blob.read_shift(1); //DColByteU
			rows = 1 + blob.read_shift(2); //DRw
		}
		if (opts.biff >= 2 && opts.biff < 8) { --rows; if (--cols == 0) cols = 0x100; }
		// $FlowIgnore
		for (var i = 0, o = []; i != rows && (o[i] = []); ++i)
			for (var j = 0; j != cols; ++j) o[i][j] = parse_SerAr(blob, opts.biff);
		return o;
	}

	/* [MS-XLS] 2.5.198.76 ; [MS-XLSB] 2.5.97.60 */
	function parse_PtgName(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var w = (!opts || (opts.biff >= 8)) ? 4 : 2;
		var nameindex = blob.read_shift(w);
		switch (opts.biff) {
			case 2: blob.l += 5; break;
			case 3: case 4: blob.l += 8; break;
			case 5: blob.l += 12; break;
		}
		return [type, 0, nameindex];
	}

	/* [MS-XLS] 2.5.198.77 ; [MS-XLSB] 2.5.97.61 */
	function parse_PtgNameX(blob, length, opts) {
		if (opts.biff == 5) return parse_PtgNameX_BIFF5(blob, length, opts);
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var ixti = blob.read_shift(2); // XtiIndex
		var nameindex = blob.read_shift(4);
		return [type, ixti, nameindex];
	}
	function parse_PtgNameX_BIFF5(blob) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var ixti = blob.read_shift(2, 'i'); // XtiIndex
		blob.l += 8;
		var nameindex = blob.read_shift(2);
		blob.l += 12;
		return [type, ixti, nameindex];
	}

	/* [MS-XLS] 2.5.198.70 ; [MS-XLSB] 2.5.97.54 */
	function parse_PtgMemArea(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		blob.l += (opts && opts.biff == 2 ? 3 : 4);
		var cce = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		return [type, cce];
	}

	/* [MS-XLS] 2.5.198.72 ; [MS-XLSB] 2.5.97.56 */
	function parse_PtgMemFunc(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var cce = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		return [type, cce];
	}


	/* [MS-XLS] 2.5.198.86 ; [MS-XLSB] 2.5.97.69 */
	function parse_PtgRefErr(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		blob.l += 4;
		if (opts.biff < 8) blob.l--;
		if (opts.biff == 12) blob.l += 2;
		return [type];
	}

	/* [MS-XLS] 2.5.198.87 ; [MS-XLSB] 2.5.97.71 */
	function parse_PtgRefErr3d(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var ixti = blob.read_shift(2);
		var w = 4;
		if (opts) switch (opts.biff) {
			case 5: w = 15; break;
			case 12: w = 6; break;
		}
		blob.l += w;
		return [type, ixti];
	}

	/* [MS-XLS] 2.5.198.71 ; [MS-XLSB] 2.5.97.55 */
	var parse_PtgMemErr = parsenoop;
	/* [MS-XLS] 2.5.198.73  ; [MS-XLSB] 2.5.97.57 */
	var parse_PtgMemNoMem = parsenoop;
	/* [MS-XLS] 2.5.198.92 */
	var parse_PtgTbl = parsenoop;

	function parse_PtgElfLoc(blob, length, opts) {
		blob.l += 2;
		return [parse_RgceElfLoc(blob, 4, opts)];
	}
	function parse_PtgElfNoop(blob) {
		blob.l += 6;
		return [];
	}
	/* [MS-XLS] 2.5.198.46 */
	var parse_PtgElfCol = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.47 */
	var parse_PtgElfColS = parse_PtgElfNoop;
	/* [MS-XLS] 2.5.198.48 */
	var parse_PtgElfColSV = parse_PtgElfNoop;
	/* [MS-XLS] 2.5.198.49 */
	var parse_PtgElfColV = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.50 */
	function parse_PtgElfLel(blob) {
		blob.l += 2;
		return [parseuint16(blob), blob.read_shift(2) & 0x01];
	}
	/* [MS-XLS] 2.5.198.51 */
	var parse_PtgElfRadical = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.52 */
	var parse_PtgElfRadicalLel = parse_PtgElfLel;
	/* [MS-XLS] 2.5.198.53 */
	var parse_PtgElfRadicalS = parse_PtgElfNoop;
	/* [MS-XLS] 2.5.198.54 */
	var parse_PtgElfRw = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.55 */
	var parse_PtgElfRwV = parse_PtgElfLoc;

	/* [MS-XLSB] 2.5.97.52 TODO */
	var PtgListRT = [
		"Data",
		"All",
		"Headers",
		"??",
		"?Data2",
		"??",
		"?DataHeaders",
		"??",
		"Totals",
		"??",
		"??",
		"??",
		"?DataTotals",
		"??",
		"??",
		"??",
		"?Current"
	];
	function parse_PtgList(blob) {
		blob.l += 2;
		var ixti = blob.read_shift(2);
		var flags = blob.read_shift(2);
		var idx = blob.read_shift(4);
		var c = blob.read_shift(2);
		var C = blob.read_shift(2);
		var rt = PtgListRT[(flags >> 2) & 0x1F];
		return { ixti: ixti, coltype: (flags & 0x3), rt: rt, idx: idx, c: c, C: C };
	}
	/* [MS-XLS] 2.5.198.91 ; [MS-XLSB] 2.5.97.76 */
	function parse_PtgSxName(blob) {
		blob.l += 2;
		return [blob.read_shift(4)];
	}

	/* [XLS] old spec */
	function parse_PtgSheet(blob, length, opts) {
		blob.l += 5;
		blob.l += 2;
		blob.l += (opts.biff == 2 ? 1 : 4);
		return ["PTGSHEET"];
	}
	function parse_PtgEndSheet(blob, length, opts) {
		blob.l += (opts.biff == 2 ? 4 : 5);
		return ["PTGENDSHEET"];
	}
	function parse_PtgMemAreaN(blob) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var cce = blob.read_shift(2);
		return [type, cce];
	}
	function parse_PtgMemNoMemN(blob) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var cce = blob.read_shift(2);
		return [type, cce];
	}
	function parse_PtgAttrNoop(blob) {
		blob.l += 4;
		return [0, 0];
	}

	/* [MS-XLS] 2.5.198.25 ; [MS-XLSB] 2.5.97.16 */
	var PtgTypes = {
		0x01: { n: 'PtgExp', f: parse_PtgExp },
		0x02: { n: 'PtgTbl', f: parse_PtgTbl },
		0x03: { n: 'PtgAdd', f: parseread1 },
		0x04: { n: 'PtgSub', f: parseread1 },
		0x05: { n: 'PtgMul', f: parseread1 },
		0x06: { n: 'PtgDiv', f: parseread1 },
		0x07: { n: 'PtgPower', f: parseread1 },
		0x08: { n: 'PtgConcat', f: parseread1 },
		0x09: { n: 'PtgLt', f: parseread1 },
		0x0A: { n: 'PtgLe', f: parseread1 },
		0x0B: { n: 'PtgEq', f: parseread1 },
		0x0C: { n: 'PtgGe', f: parseread1 },
		0x0D: { n: 'PtgGt', f: parseread1 },
		0x0E: { n: 'PtgNe', f: parseread1 },
		0x0F: { n: 'PtgIsect', f: parseread1 },
		0x10: { n: 'PtgUnion', f: parseread1 },
		0x11: { n: 'PtgRange', f: parseread1 },
		0x12: { n: 'PtgUplus', f: parseread1 },
		0x13: { n: 'PtgUminus', f: parseread1 },
		0x14: { n: 'PtgPercent', f: parseread1 },
		0x15: { n: 'PtgParen', f: parseread1 },
		0x16: { n: 'PtgMissArg', f: parseread1 },
		0x17: { n: 'PtgStr', f: parse_PtgStr },
		0x1A: { n: 'PtgSheet', f: parse_PtgSheet },
		0x1B: { n: 'PtgEndSheet', f: parse_PtgEndSheet },
		0x1C: { n: 'PtgErr', f: parse_PtgErr },
		0x1D: { n: 'PtgBool', f: parse_PtgBool },
		0x1E: { n: 'PtgInt', f: parse_PtgInt },
		0x1F: { n: 'PtgNum', f: parse_PtgNum },
		0x20: { n: 'PtgArray', f: parse_PtgArray },
		0x21: { n: 'PtgFunc', f: parse_PtgFunc },
		0x22: { n: 'PtgFuncVar', f: parse_PtgFuncVar },
		0x23: { n: 'PtgName', f: parse_PtgName },
		0x24: { n: 'PtgRef', f: parse_PtgRef },
		0x25: { n: 'PtgArea', f: parse_PtgArea },
		0x26: { n: 'PtgMemArea', f: parse_PtgMemArea },
		0x27: { n: 'PtgMemErr', f: parse_PtgMemErr },
		0x28: { n: 'PtgMemNoMem', f: parse_PtgMemNoMem },
		0x29: { n: 'PtgMemFunc', f: parse_PtgMemFunc },
		0x2A: { n: 'PtgRefErr', f: parse_PtgRefErr },
		0x2B: { n: 'PtgAreaErr', f: parse_PtgAreaErr },
		0x2C: { n: 'PtgRefN', f: parse_PtgRefN },
		0x2D: { n: 'PtgAreaN', f: parse_PtgAreaN },
		0x2E: { n: 'PtgMemAreaN', f: parse_PtgMemAreaN },
		0x2F: { n: 'PtgMemNoMemN', f: parse_PtgMemNoMemN },
		0x39: { n: 'PtgNameX', f: parse_PtgNameX },
		0x3A: { n: 'PtgRef3d', f: parse_PtgRef3d },
		0x3B: { n: 'PtgArea3d', f: parse_PtgArea3d },
		0x3C: { n: 'PtgRefErr3d', f: parse_PtgRefErr3d },
		0x3D: { n: 'PtgAreaErr3d', f: parse_PtgAreaErr3d },
		0xFF: {}
	};
	/* These are duplicated in the PtgTypes table */
	var PtgDupes = {
		0x40: 0x20, 0x60: 0x20,
		0x41: 0x21, 0x61: 0x21,
		0x42: 0x22, 0x62: 0x22,
		0x43: 0x23, 0x63: 0x23,
		0x44: 0x24, 0x64: 0x24,
		0x45: 0x25, 0x65: 0x25,
		0x46: 0x26, 0x66: 0x26,
		0x47: 0x27, 0x67: 0x27,
		0x48: 0x28, 0x68: 0x28,
		0x49: 0x29, 0x69: 0x29,
		0x4A: 0x2A, 0x6A: 0x2A,
		0x4B: 0x2B, 0x6B: 0x2B,
		0x4C: 0x2C, 0x6C: 0x2C,
		0x4D: 0x2D, 0x6D: 0x2D,
		0x4E: 0x2E, 0x6E: 0x2E,
		0x4F: 0x2F, 0x6F: 0x2F,
		0x58: 0x22, 0x78: 0x22,
		0x59: 0x39, 0x79: 0x39,
		0x5A: 0x3A, 0x7A: 0x3A,
		0x5B: 0x3B, 0x7B: 0x3B,
		0x5C: 0x3C, 0x7C: 0x3C,
		0x5D: 0x3D, 0x7D: 0x3D
	};

	var Ptg18 = {
		0x01: { n: 'PtgElfLel', f: parse_PtgElfLel },
		0x02: { n: 'PtgElfRw', f: parse_PtgElfRw },
		0x03: { n: 'PtgElfCol', f: parse_PtgElfCol },
		0x06: { n: 'PtgElfRwV', f: parse_PtgElfRwV },
		0x07: { n: 'PtgElfColV', f: parse_PtgElfColV },
		0x0A: { n: 'PtgElfRadical', f: parse_PtgElfRadical },
		0x0B: { n: 'PtgElfRadicalS', f: parse_PtgElfRadicalS },
		0x0D: { n: 'PtgElfColS', f: parse_PtgElfColS },
		0x0F: { n: 'PtgElfColSV', f: parse_PtgElfColSV },
		0x10: { n: 'PtgElfRadicalLel', f: parse_PtgElfRadicalLel },
		0x19: { n: 'PtgList', f: parse_PtgList },
		0x1D: { n: 'PtgSxName', f: parse_PtgSxName },
		0xFF: {}
	};
	var Ptg19 = {
		0x00: { n: 'PtgAttrNoop', f: parse_PtgAttrNoop },
		0x01: { n: 'PtgAttrSemi', f: parse_PtgAttrSemi },
		0x02: { n: 'PtgAttrIf', f: parse_PtgAttrIf },
		0x04: { n: 'PtgAttrChoose', f: parse_PtgAttrChoose },
		0x08: { n: 'PtgAttrGoto', f: parse_PtgAttrGoto },
		0x10: { n: 'PtgAttrSum', f: parse_PtgAttrSum },
		0x20: { n: 'PtgAttrBaxcel', f: parse_PtgAttrBaxcel },
		0x21: { n: 'PtgAttrBaxcel', f: parse_PtgAttrBaxcel },
		0x40: { n: 'PtgAttrSpace', f: parse_PtgAttrSpace },
		0x41: { n: 'PtgAttrSpaceSemi', f: parse_PtgAttrSpaceSemi },
		0x80: { n: 'PtgAttrIfError', f: parse_PtgAttrIfError },
		0xFF: {}
	};

	/* [MS-XLS] 2.5.198.103 ; [MS-XLSB] 2.5.97.87 */
	function parse_RgbExtra(blob, length, rgce, opts) {
		if (opts.biff < 8) return parsenoop(blob, length);
		var target = blob.l + length;
		var o = [];
		for (var i = 0; i !== rgce.length; ++i) {
			switch (rgce[i][0]) {
				case 'PtgArray': /* PtgArray -> PtgExtraArray */
					rgce[i][1] = parse_PtgExtraArray(blob, 0, opts);
					o.push(rgce[i][1]);
					break;
				case 'PtgMemArea': /* PtgMemArea -> PtgExtraMem */
					rgce[i][2] = parse_PtgExtraMem(blob, rgce[i][1], opts);
					o.push(rgce[i][2]);
					break;
				case 'PtgExp': /* PtgExp -> PtgExtraCol */
					if (opts && opts.biff == 12) {
						rgce[i][1][1] = blob.read_shift(4);
						o.push(rgce[i][1]);
					} break;
				case 'PtgList': /* TODO: PtgList -> PtgExtraList */
				case 'PtgElfRadicalS': /* TODO: PtgElfRadicalS -> PtgExtraElf */
				case 'PtgElfColS': /* TODO: PtgElfColS -> PtgExtraElf */
				case 'PtgElfColSV': /* TODO: PtgElfColSV -> PtgExtraElf */
					throw "Unsupported " + rgce[i][0];
				default: break;
			}
		}
		length = target - blob.l;
		/* note: this is technically an error but Excel disregards */
		//if(target !== blob.l && blob.l !== target - length) throw new Error(target + " != " + blob.l);
		if (length !== 0) o.push(parsenoop(blob, length));
		return o;
	}

	/* [MS-XLS] 2.5.198.104 ; [MS-XLSB] 2.5.97.88 */
	function parse_Rgce(blob, length, opts) {
		var target = blob.l + length;
		var R, id, ptgs = [];
		while (target != blob.l) {
			length = target - blob.l;
			id = blob[blob.l];
			R = PtgTypes[id] || PtgTypes[PtgDupes[id]];
			if (id === 0x18 || id === 0x19) R = (id === 0x18 ? Ptg18 : Ptg19)[blob[blob.l + 1]];
			if (!R || !R.f) { /*ptgs.push*/(parsenoop(blob, length)); }
			else { ptgs.push([R.n, R.f(blob, length, opts)]); }
		}
		return ptgs;
	}

	function stringify_array(f) {
		var o = [];
		for (var i = 0; i < f.length; ++i) {
			var x = f[i], r = [];
			for (var j = 0; j < x.length; ++j) {
				var y = x[j];
				if (y) switch (y[0]) {
					// TODO: handle embedded quotes
					case 0x02:
						r.push('"' + y[1].replace(/"/g, '""') + '"'); break;
					default: r.push(y[1]);
				} else r.push("");
			}
			o.push(r.join(","));
		}
		return o.join(";");
	}

	/* [MS-XLS] 2.2.2 ; [MS-XLSB] 2.2.2 TODO */
	var PtgBinOp = {
		PtgAdd: "+",
		PtgConcat: "&",
		PtgDiv: "/",
		PtgEq: "=",
		PtgGe: ">=",
		PtgGt: ">",
		PtgLe: "<=",
		PtgLt: "<",
		PtgMul: "*",
		PtgNe: "<>",
		PtgPower: "^",
		PtgSub: "-"
	};

	// TODO: explore space
	function make_3d_range(start, end) {
		var s = start.lastIndexOf("!"), e = end.lastIndexOf("!");
		if (s == -1 && e == -1) return start + ":" + end;
		if (s > 0 && e > 0 && start.slice(0, s).toLowerCase() == end.slice(0, e).toLowerCase()) return start + ":" + end.slice(e + 1);
		console.error("Cannot hydrate range", start, end);
		return start + ":" + end;
	}

	function get_ixti_raw(supbooks, ixti, opts) {
		if (!supbooks) return "SH33TJSERR0";
		if (opts.biff > 8 && (!supbooks.XTI || !supbooks.XTI[ixti])) return supbooks.SheetNames[ixti];
		if (!supbooks.XTI) return "SH33TJSERR6";
		var XTI = supbooks.XTI[ixti];
		if (opts.biff < 8) {
			if (ixti > 10000) ixti -= 65536;
			if (ixti < 0) ixti = -ixti;
			return ixti == 0 ? "" : supbooks.XTI[ixti - 1];
		}
		if (!XTI) return "SH33TJSERR1";
		var o = "";
		if (opts.biff > 8) switch (supbooks[XTI[0]][0]) {
			case 0x0165: /* 'BrtSupSelf' */
				o = XTI[1] == -1 ? "#REF" : supbooks.SheetNames[XTI[1]];
				return XTI[1] == XTI[2] ? o : o + ":" + supbooks.SheetNames[XTI[2]];
			case 0x0166: /* 'BrtSupSame' */
				if (opts.SID != null) return supbooks.SheetNames[opts.SID];
				return "SH33TJSSAME" + supbooks[XTI[0]][0];
			case 0x0163: /* 'BrtSupBookSrc' */
			/* falls through */
			default: return "SH33TJSSRC" + supbooks[XTI[0]][0];
		}
		switch (supbooks[XTI[0]][0][0]) {
			case 0x0401:
				o = XTI[1] == -1 ? "#REF" : (supbooks.SheetNames[XTI[1]] || "SH33TJSERR3");
				return XTI[1] == XTI[2] ? o : o + ":" + supbooks.SheetNames[XTI[2]];
			case 0x3A01: return supbooks[XTI[0]].slice(1).map(function (name) { return name.Name; }).join(";;"); //return "SH33TJSERR8";
			default:
				if (!supbooks[XTI[0]][0][3]) return "SH33TJSERR2";
				o = XTI[1] == -1 ? "#REF" : (supbooks[XTI[0]][0][3][XTI[1]] || "SH33TJSERR4");
				return XTI[1] == XTI[2] ? o : o + ":" + supbooks[XTI[0]][0][3][XTI[2]];
		}
	}
	function get_ixti(supbooks, ixti, opts) {
		var ixtiraw = get_ixti_raw(supbooks, ixti, opts);
		return ixtiraw == "#REF" ? ixtiraw : formula_quote_sheet_name(ixtiraw, opts);
	}
	function stringify_formula(formula/*Array<any>*/, range, cell, supbooks, opts) {
		var biff = (opts && opts.biff) || 8;
		var _range = /*range != null ? range :*/ { s: { c: 0, r: 0 }, e: { c: 0, r: 0 } };
		var stack = [], e1, e2, c, ixti = 0, nameidx = 0, r, sname = "";
		if (!formula[0] || !formula[0][0]) return "";
		var last_sp = -1, sp = "";
		for (var ff = 0, fflen = formula[0].length; ff < fflen; ++ff) {
			var f = formula[0][ff];
			switch (f[0]) {
				case 'PtgUminus': /* [MS-XLS] 2.5.198.93 */
					stack.push("-" + stack.pop()); break;
				case 'PtgUplus': /* [MS-XLS] 2.5.198.95 */
					stack.push("+" + stack.pop()); break;
				case 'PtgPercent': /* [MS-XLS] 2.5.198.81 */
					stack.push(stack.pop() + "%"); break;

				case 'PtgAdd':    /* [MS-XLS] 2.5.198.26 */
				case 'PtgConcat': /* [MS-XLS] 2.5.198.43 */
				case 'PtgDiv':    /* [MS-XLS] 2.5.198.45 */
				case 'PtgEq':     /* [MS-XLS] 2.5.198.56 */
				case 'PtgGe':     /* [MS-XLS] 2.5.198.64 */
				case 'PtgGt':     /* [MS-XLS] 2.5.198.65 */
				case 'PtgLe':     /* [MS-XLS] 2.5.198.68 */
				case 'PtgLt':     /* [MS-XLS] 2.5.198.69 */
				case 'PtgMul':    /* [MS-XLS] 2.5.198.75 */
				case 'PtgNe':     /* [MS-XLS] 2.5.198.78 */
				case 'PtgPower':  /* [MS-XLS] 2.5.198.82 */
				case 'PtgSub':    /* [MS-XLS] 2.5.198.90 */
					e1 = stack.pop(); e2 = stack.pop();
					if (last_sp >= 0) {
						switch (formula[0][last_sp][1][0]) {
							case 0:
								// $FlowIgnore
								sp = fill(" ", formula[0][last_sp][1][1]); break;
							case 1:
								// $FlowIgnore
								sp = fill("\r", formula[0][last_sp][1][1]); break;
							default:
								sp = "";
								// $FlowIgnore
								if (opts.WTF) throw new Error("Unexpected PtgAttrSpaceType " + formula[0][last_sp][1][0]);
						}
						e2 = e2 + sp;
						last_sp = -1;
					}
					stack.push(e2 + PtgBinOp[f[0]] + e1);
					break;

				case 'PtgIsect': /* [MS-XLS] 2.5.198.67 */
					e1 = stack.pop(); e2 = stack.pop();
					stack.push(e2 + " " + e1);
					break;
				case 'PtgUnion': /* [MS-XLS] 2.5.198.94 */
					e1 = stack.pop(); e2 = stack.pop();
					stack.push(e2 + "," + e1);
					break;
				case 'PtgRange': /* [MS-XLS] 2.5.198.83 */
					e1 = stack.pop(); e2 = stack.pop();
					stack.push(make_3d_range(e2, e1));
					break;

				case 'PtgAttrChoose': /* [MS-XLS] 2.5.198.34 */
					break;
				case 'PtgAttrGoto': /* [MS-XLS] 2.5.198.35 */
					break;
				case 'PtgAttrIf': /* [MS-XLS] 2.5.198.36 */
					break;
				case 'PtgAttrIfError': /* [MS-XLSB] 2.5.97.28 */
					break;


				case 'PtgRef': /* [MS-XLS] 2.5.198.84 */
					c = shift_cell_xls((f[1][1]), _range, opts);
					stack.push(encode_cell_xls(c, biff));
					break;
				case 'PtgRefN': /* [MS-XLS] 2.5.198.88 */
					c = cell ? shift_cell_xls((f[1][1]), cell, opts) : (f[1][1]);
					stack.push(encode_cell_xls(c, biff));
					break;
				case 'PtgRef3d': /* [MS-XLS] 2.5.198.85 */
					ixti = f[1][1]; c = shift_cell_xls((f[1][2]), _range, opts);
					sname = get_ixti(supbooks, ixti, opts);
					var w = sname; /* IE9 fails on defined names */ // eslint-disable-line no-unused-vars
					stack.push(sname + "!" + encode_cell_xls(c, biff));
					break;

				case 'PtgFunc': /* [MS-XLS] 2.5.198.62 */
				case 'PtgFuncVar': /* [MS-XLS] 2.5.198.63 */
					/* f[1] = [argc, func, type] */
					var argc = (f[1][0]), func = (f[1][1]);
					if (!argc) argc = 0;
					argc &= 0x7F;
					var args = argc == 0 ? [] : stack.slice(-argc);
					stack.length -= argc;
					if (func === 'User') func = args.shift();
					stack.push(func + "(" + args.join(",") + ")");
					break;

				case 'PtgBool': /* [MS-XLS] 2.5.198.42 */
					stack.push(f[1] ? "TRUE" : "FALSE"); break;
				case 'PtgInt': /* [MS-XLS] 2.5.198.66 */
					stack.push(f[1]); break;
				case 'PtgNum': /* [MS-XLS] 2.5.198.79 TODO: precision? */
					stack.push(String(f[1])); break;
				case 'PtgStr': /* [MS-XLS] 2.5.198.89 */
					// $FlowIgnore
					stack.push('"' + f[1].replace(/"/g, '""') + '"'); break;
				case 'PtgErr': /* [MS-XLS] 2.5.198.57 */
					stack.push(f[1]); break;
				case 'PtgAreaN': /* [MS-XLS] 2.5.198.31 TODO */
					r = shift_range_xls(f[1][1], cell ? { s: cell } : _range, opts);
					stack.push(encode_range_xls((r), opts));
					break;
				case 'PtgArea': /* [MS-XLS] 2.5.198.27 TODO: fixed points */
					r = shift_range_xls(f[1][1], _range, opts);
					stack.push(encode_range_xls((r), opts));
					break;
				case 'PtgArea3d': /* [MS-XLS] 2.5.198.28 TODO */
					ixti = f[1][1]; r = f[1][2];
					sname = get_ixti(supbooks, ixti, opts);
					stack.push(sname + "!" + encode_range_xls((r), opts));
					break;
				case 'PtgAttrSum': /* [MS-XLS] 2.5.198.41 */
					stack.push("SUM(" + stack.pop() + ")");
					break;

				case 'PtgAttrBaxcel': /* [MS-XLS] 2.5.198.33 */
				case 'PtgAttrSemi': /* [MS-XLS] 2.5.198.37 */
					break;

				case 'PtgName': /* [MS-XLS] 2.5.198.76 ; [MS-XLSB] 2.5.97.60 TODO: revisions */
					/* f[1] = type, 0, nameindex */
					nameidx = (f[1][2]);
					var lbl = (supbooks.names || [])[nameidx - 1] || (supbooks[0] || [])[nameidx];
					var name = lbl ? lbl.Name : "SH33TJSNAME" + String(nameidx);
					/* [MS-XLSB] 2.5.97.10 Ftab -- last verified 20220204 */
					if (name && name.slice(0, 6) == "_xlfn." && !opts.xlfn) name = name.slice(6);
					stack.push(name);
					break;

				case 'PtgNameX': /* [MS-XLS] 2.5.198.77 ; [MS-XLSB] 2.5.97.61 TODO: revisions */
					/* f[1] = type, ixti, nameindex */
					var bookidx = (f[1][1]); nameidx = (f[1][2]); var externbook;
					/* TODO: Properly handle missing values -- this should be using get_ixti_raw primarily */
					if (opts.biff <= 5) {
						if (bookidx < 0) bookidx = -bookidx;
						if (supbooks[bookidx]) externbook = supbooks[bookidx][nameidx];
					} else {
						var o = "";
						if (((supbooks[bookidx] || [])[0] || [])[0] == 0x3A01) {/* empty */ }
						else if (((supbooks[bookidx] || [])[0] || [])[0] == 0x0401) {
							if (supbooks[bookidx][nameidx] && supbooks[bookidx][nameidx].itab > 0) {
								o = supbooks.SheetNames[supbooks[bookidx][nameidx].itab - 1] + "!";
							}
						}
						else o = supbooks.SheetNames[nameidx - 1] + "!";
						if (supbooks[bookidx] && supbooks[bookidx][nameidx]) o += supbooks[bookidx][nameidx].Name;
						else if (supbooks[0] && supbooks[0][nameidx]) o += supbooks[0][nameidx].Name;
						else {
							var ixtidata = (get_ixti_raw(supbooks, bookidx, opts) || "").split(";;");
							if (ixtidata[nameidx - 1]) o = ixtidata[nameidx - 1]; // TODO: confirm this is correct
							else o += "SH33TJSERRX";
						}
						stack.push(o);
						break;
					}
					if (!externbook) externbook = { Name: "SH33TJSERRY" };
					stack.push(externbook.Name);
					break;

				case 'PtgParen': /* [MS-XLS] 2.5.198.80 */
					var lp = '(', rp = ')';
					if (last_sp >= 0) {
						sp = "";
						switch (formula[0][last_sp][1][0]) {
							// $FlowIgnore
							case 2: lp = fill(" ", formula[0][last_sp][1][1]) + lp; break;
							// $FlowIgnore
							case 3: lp = fill("\r", formula[0][last_sp][1][1]) + lp; break;
							// $FlowIgnore
							case 4: rp = fill(" ", formula[0][last_sp][1][1]) + rp; break;
							// $FlowIgnore
							case 5: rp = fill("\r", formula[0][last_sp][1][1]) + rp; break;
							default:
								// $FlowIgnore
								if (opts.WTF) throw new Error("Unexpected PtgAttrSpaceType " + formula[0][last_sp][1][0]);
						}
						last_sp = -1;
					}
					stack.push(lp + stack.pop() + rp); break;

				case 'PtgRefErr': /* [MS-XLS] 2.5.198.86 */
					stack.push('#REF!'); break;

				case 'PtgRefErr3d': /* [MS-XLS] 2.5.198.87 */
					stack.push('#REF!'); break;

				case 'PtgExp': /* [MS-XLS] 2.5.198.58 TODO */
					c = { c: (f[1][1]), r: (f[1][0]) };
					var q = ({ c: cell.c, r: cell.r });
					if (supbooks.sharedf[encode_cell(c)]) {
						var parsedf = (supbooks.sharedf[encode_cell(c)]);
						stack.push(stringify_formula(parsedf, _range, q, supbooks, opts));
					} else {
						var fnd = false;
						for (e1 = 0; e1 != supbooks.arrayf.length; ++e1) {
							/* TODO: should be something like range_has */
							e2 = supbooks.arrayf[e1];
							if (c.c < e2[0].s.c || c.c > e2[0].e.c) continue;
							if (c.r < e2[0].s.r || c.r > e2[0].e.r) continue;
							stack.push(stringify_formula(e2[1], _range, q, supbooks, opts));
							fnd = true;
							break;
						}
						if (!fnd) stack.push(f[1]);
					}
					break;

				case 'PtgArray': /* [MS-XLS] 2.5.198.32 TODO */
					stack.push("{" + stringify_array(f[1]) + "}");
					break;

				case 'PtgMemArea': /* [MS-XLS] 2.5.198.70 TODO: confirm this is a non-display */
					//stack.push("(" + f[2].map(encode_range).join(",") + ")");
					break;

				case 'PtgAttrSpace': /* [MS-XLS] 2.5.198.38 */
				case 'PtgAttrSpaceSemi': /* [MS-XLS] 2.5.198.39 */
					last_sp = ff;
					break;

				case 'PtgTbl': /* [MS-XLS] 2.5.198.92 TODO */
					break;

				case 'PtgMemErr': /* [MS-XLS] 2.5.198.71 */
					break;

				case 'PtgMissArg': /* [MS-XLS] 2.5.198.74 */
					stack.push("");
					break;

				case 'PtgAreaErr': /* [MS-XLS] 2.5.198.29 */
					stack.push("#REF!"); break;

				case 'PtgAreaErr3d': /* [MS-XLS] 2.5.198.30 */
					stack.push("#REF!"); break;

				case 'PtgList': /* [MS-XLSB] 2.5.97.52 */
					// $FlowIgnore
					stack.push("Table" + f[1].idx + "[#" + f[1].rt + "]");
					break;

				case 'PtgMemAreaN':
				case 'PtgMemNoMemN':
				case 'PtgAttrNoop':
				case 'PtgSheet':
				case 'PtgEndSheet':
					break;

				case 'PtgMemFunc': /* [MS-XLS] 2.5.198.72 TODO */
					break;
				case 'PtgMemNoMem': /* [MS-XLS] 2.5.198.73 TODO */
					break;

				case 'PtgElfCol': /* [MS-XLS] 2.5.198.46 */
				case 'PtgElfColS': /* [MS-XLS] 2.5.198.47 */
				case 'PtgElfColSV': /* [MS-XLS] 2.5.198.48 */
				case 'PtgElfColV': /* [MS-XLS] 2.5.198.49 */
				case 'PtgElfLel': /* [MS-XLS] 2.5.198.50 */
				case 'PtgElfRadical': /* [MS-XLS] 2.5.198.51 */
				case 'PtgElfRadicalLel': /* [MS-XLS] 2.5.198.52 */
				case 'PtgElfRadicalS': /* [MS-XLS] 2.5.198.53 */
				case 'PtgElfRw': /* [MS-XLS] 2.5.198.54 */
				case 'PtgElfRwV': /* [MS-XLS] 2.5.198.55 */
					throw new Error("Unsupported ELFs");

				case 'PtgSxName': /* [MS-XLS] 2.5.198.91 TODO -- find a test case */
					throw new Error('Unrecognized Formula Token: ' + String(f));
				default: throw new Error('Unrecognized Formula Token: ' + String(f));
			}
			var PtgNonDisp = ['PtgAttrSpace', 'PtgAttrSpaceSemi', 'PtgAttrGoto'];
			if (opts.biff != 3) if (last_sp >= 0 && PtgNonDisp.indexOf(formula[0][ff][0]) == -1) {
				f = formula[0][last_sp];
				var _left = true;
				switch (f[1][0]) {
					/* note: some bad XLSB files omit the PtgParen */
					case 4: _left = false;
					/* falls through */
					case 0:
						// $FlowIgnore
						sp = fill(" ", f[1][1]); break;
					case 5: _left = false;
					/* falls through */
					case 1:
						// $FlowIgnore
						sp = fill("\r", f[1][1]); break;
					default:
						sp = "";
						// $FlowIgnore
						if (opts.WTF) throw new Error("Unexpected PtgAttrSpaceType " + f[1][0]);
				}
				stack.push((_left ? sp : "") + stack.pop() + (_left ? "" : sp));
				last_sp = -1;
			}
		}
		if (stack.length > 1 && opts.WTF) throw new Error("bad formula stack");
		if (stack[0] == "TRUE") return true; if (stack[0] == "FALSE") return false;
		return stack[0];
	}

	/* [MS-XLS] 2.5.198.1 TODO */
	function parse_ArrayParsedFormula(blob, length, opts) {
		var target = blob.l + length, len = opts.biff == 2 ? 1 : 2;
		var rgcb, cce = blob.read_shift(len); // length of rgce
		if (cce == 0xFFFF) return [[], parsenoop(blob, length - 2)];
		var rgce = parse_Rgce(blob, cce, opts);
		if (length !== cce + len) rgcb = parse_RgbExtra(blob, length - cce - len, rgce, opts);
		blob.l = target;
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.198.3 TODO */
	function parse_XLSCellParsedFormula(blob, length, opts) {
		var target = blob.l + length, len = opts.biff == 2 ? 1 : 2;
		var rgcb, cce = blob.read_shift(len); // length of rgce
		if (cce == 0xFFFF) return [[], parsenoop(blob, length - 2)];
		var rgce = parse_Rgce(blob, cce, opts);
		if (length !== cce + len) rgcb = parse_RgbExtra(blob, length - cce - len, rgce, opts);
		blob.l = target;
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.198.21 */
	function parse_NameParsedFormula(blob, length, opts, cce) {
		var target = blob.l + length;
		var rgce = parse_Rgce(blob, cce, opts);
		var rgcb;
		if (target !== blob.l) rgcb = parse_RgbExtra(blob, target - blob.l, rgce, opts);
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.198.118 TODO */
	function parse_SharedParsedFormula(blob, length, opts) {
		var target = blob.l + length;
		var rgcb, cce = blob.read_shift(2); // length of rgce
		var rgce = parse_Rgce(blob, cce, opts);
		if (cce == 0xFFFF) return [[], parsenoop(blob, length - 2)];
		if (length !== cce + 2) rgcb = parse_RgbExtra(blob, target - cce - 2, rgce, opts);
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.133 TODO: how to emit empty strings? */
	function parse_FormulaValue(blob) {
		var b;
		if (__readUInt16LE(blob, blob.l + 6) !== 0xFFFF) return [parse_Xnum(blob), 'n'];
		switch (blob[blob.l]) {
			case 0x00: blob.l += 8; return ["String", 's'];
			case 0x01: b = blob[blob.l + 2] === 0x1; blob.l += 8; return [b, 'b'];
			case 0x02: b = blob[blob.l + 2]; blob.l += 8; return [b, 'e'];
			case 0x03: blob.l += 8; return ["", 's'];
		}
		return [];
	}
	function write_FormulaValue(value) {
		if (value == null) {
			// Blank String Value
			var o = new_buf(8);
			o.write_shift(1, 0x03);
			o.write_shift(1, 0);
			o.write_shift(2, 0);
			o.write_shift(2, 0);
			o.write_shift(2, 0xFFFF);
			return o;
		} else if (typeof value == "number") return write_Xnum(value);
		return write_Xnum(0);
	}

	/* [MS-XLS] 2.4.127 TODO */
	function parse_Formula(blob, length, opts) {
		var end = blob.l + length;
		var cell = parse_XLSCell(blob, 6, opts);
		var val = parse_FormulaValue(blob, 8);
		var flags = blob.read_shift(1);
		if (opts.biff != 2) {
			blob.read_shift(1);
			if (opts.biff >= 5) {
			/*var chn = */blob.read_shift(4);
			}
		}
		var cbf = parse_XLSCellParsedFormula(blob, end - blob.l, opts);
		return { cell: cell, val: val[0], formula: cbf, shared: (flags >> 3) & 1, tt: val[1] };
	}
	function write_Formula(cell, R, C, opts, os) {
		// Cell
		var o1 = write_XLSCell(R, C, os);

		// FormulaValue
		var o2 = write_FormulaValue(cell.v);

		// flags + cache
		var o3 = new_buf(6);
		var flags = 0x01 | 0x20;
		o3.write_shift(2, flags);
		o3.write_shift(4, 0);

		// CellParsedFormula
		var bf = new_buf(cell.bf.length);
		for (var i = 0; i < cell.bf.length; ++i) bf[i] = cell.bf[i];

		var out = bconcat([o1, o2, o3, bf]);
		return out;
	}


	/* XLSB Parsed Formula records have the same shape */
	function parse_XLSBParsedFormula(data, length, opts) {
		var cce = data.read_shift(4);
		var rgce = parse_Rgce(data, cce, opts);
		var cb = data.read_shift(4);
		var rgcb = cb > 0 ? parse_RgbExtra(data, cb, rgce, opts) : null;
		return [rgce, rgcb];
	}

	/* [MS-XLSB] 2.5.97.1 ArrayParsedFormula */
	var parse_XLSBArrayParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.4 CellParsedFormula */
	var parse_XLSBCellParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.8 DVParsedFormula */
	//var parse_XLSBDVParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.9 FRTParsedFormula */
	//var parse_XLSBFRTParsedFormula = parse_XLSBParsedFormula2;
	/* [MS-XLSB] 2.5.97.12 NameParsedFormula */
	var parse_XLSBNameParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.98 SharedParsedFormula */
	var parse_XLSBSharedParsedFormula = parse_XLSBParsedFormula;

	/* Writes a PtgNum or PtgInt */
	function write_XLSBFormulaNum(val) {
		if ((val | 0) == val && val < Math.pow(2, 16) && val >= 0) {
			var oint = new_buf(11);
			oint.write_shift(4, 3);
			oint.write_shift(1, 0x1e);
			oint.write_shift(2, val);
			oint.write_shift(4, 0);
			return oint;
		}

		var num = new_buf(17);
		num.write_shift(4, 11);
		num.write_shift(1, 0x1f);
		num.write_shift(8, val);
		num.write_shift(4, 0);
		return num;
	}
	/* Writes a PtgErr */
	function write_XLSBFormulaErr(val) {
		var oint = new_buf(10);
		oint.write_shift(4, 2);
		oint.write_shift(1, 0x1C);
		oint.write_shift(1, val);
		oint.write_shift(4, 0);
		return oint;
	}
	/* Writes a PtgBool */
	function write_XLSBFormulaBool(val) {
		var oint = new_buf(10);
		oint.write_shift(4, 2);
		oint.write_shift(1, 0x1D);
		oint.write_shift(1, val ? 1 : 0);
		oint.write_shift(4, 0);
		return oint;
	}

	/* Writes a PtgStr */
	function write_XLSBFormulaStr(val) {
		var preamble = new_buf(7);
		preamble.write_shift(4, 3 + 2 * val.length);
		preamble.write_shift(1, 0x17);
		preamble.write_shift(2, val.length);

		var body = new_buf(2 * val.length);
		body.write_shift(2 * val.length, val, "utf16le");

		var postamble = new_buf(4);
		postamble.write_shift(4, 0);

		return bconcat([preamble, body, postamble]);
	}

	/* Writes a PtgRef */
	function write_XLSBFormulaRef(str) {
		var cell = decode_cell(str);
		var out = new_buf(15);
		out.write_shift(4, 7);
		out.write_shift(1, 0x04 | ((1) << 5));
		out.write_shift(4, cell.r);
		out.write_shift(2, cell.c | ((str.charAt(0) == "$" ? 0 : 1) << 14) | ((str.match(/\$\d/) ? 0 : 1) << 15)); // <== ColRelShort
		out.write_shift(4, 0);

		return out;
	}

	/* Writes a PtgRef3d */
	function write_XLSBFormulaRef3D(str, wb) {
		var lastbang = str.lastIndexOf("!");
		var sname = str.slice(0, lastbang);
		str = str.slice(lastbang + 1);
		var cell = decode_cell(str);
		if (sname.charAt(0) == "'") sname = sname.slice(1, -1).replace(/''/g, "'");

		var out = new_buf(17);
		out.write_shift(4, 9);
		out.write_shift(1, 0x1A | ((1) << 5));
		out.write_shift(2, 2 + wb.SheetNames.map(function (n) { return n.toLowerCase(); }).indexOf(sname.toLowerCase()));
		out.write_shift(4, cell.r);
		out.write_shift(2, cell.c | ((str.charAt(0) == "$" ? 0 : 1) << 14) | ((str.match(/\$\d/) ? 0 : 1) << 15)); // <== ColRelShort
		out.write_shift(4, 0);

		return out;
	}

	/* Writes a PtgRefErr3d */
	function write_XLSBFormulaRefErr3D(str, wb) {
		var lastbang = str.lastIndexOf("!");
		var sname = str.slice(0, lastbang);
		str = str.slice(lastbang + 1);
		if (sname.charAt(0) == "'") sname = sname.slice(1, -1).replace(/''/g, "'");

		var out = new_buf(17);
		out.write_shift(4, 9);
		out.write_shift(1, 0x1C | ((1) << 5));
		out.write_shift(2, 2 + wb.SheetNames.map(function (n) { return n.toLowerCase(); }).indexOf(sname.toLowerCase()));
		out.write_shift(4, 0);
		out.write_shift(2, 0); // <== ColRelShort
		out.write_shift(4, 0);

		return out;
	}

	/* Writes a single sheet range [PtgRef PtgRef PtgRange] */
	function write_XLSBFormulaRange(_str) {
		var parts = _str.split(":"), str = parts[0];

		var out = new_buf(23);
		out.write_shift(4, 15);

		/* start cell */
		str = parts[0]; var cell = decode_cell(str);
		out.write_shift(1, 0x04 | ((1) << 5));
		out.write_shift(4, cell.r);
		out.write_shift(2, cell.c | ((str.charAt(0) == "$" ? 0 : 1) << 14) | ((str.match(/\$\d/) ? 0 : 1) << 15)); // <== ColRelShort
		out.write_shift(4, 0);

		/* end cell */
		str = parts[1]; cell = decode_cell(str);
		out.write_shift(1, 0x04 | ((1) << 5));
		out.write_shift(4, cell.r);
		out.write_shift(2, cell.c | ((str.charAt(0) == "$" ? 0 : 1) << 14) | ((str.match(/\$\d/) ? 0 : 1) << 15)); // <== ColRelShort
		out.write_shift(4, 0);

		/* PtgRange */
		out.write_shift(1, 0x11);

		out.write_shift(4, 0);

		return out;
	}

	/* Writes a range with explicit sheet name [PtgRef3D PtgRef3D PtgRange] */
	function write_XLSBFormulaRangeWS(_str, wb) {
		var lastbang = _str.lastIndexOf("!");
		var sname = _str.slice(0, lastbang);
		_str = _str.slice(lastbang + 1);
		if (sname.charAt(0) == "'") sname = sname.slice(1, -1).replace(/''/g, "'");
		var parts = _str.split(":");

		var out = new_buf(27);
		out.write_shift(4, 19);

		/* start cell */
		var str = parts[0], cell = decode_cell(str);
		out.write_shift(1, 0x1A | ((1) << 5));
		out.write_shift(2, 2 + wb.SheetNames.map(function (n) { return n.toLowerCase(); }).indexOf(sname.toLowerCase()));
		out.write_shift(4, cell.r);
		out.write_shift(2, cell.c | ((str.charAt(0) == "$" ? 0 : 1) << 14) | ((str.match(/\$\d/) ? 0 : 1) << 15)); // <== ColRelShort

		/* end cell */
		str = parts[1]; cell = decode_cell(str);
		out.write_shift(1, 0x1A | ((1) << 5));
		out.write_shift(2, 2 + wb.SheetNames.map(function (n) { return n.toLowerCase(); }).indexOf(sname.toLowerCase()));
		out.write_shift(4, cell.r);
		out.write_shift(2, cell.c | ((str.charAt(0) == "$" ? 0 : 1) << 14) | ((str.match(/\$\d/) ? 0 : 1) << 15)); // <== ColRelShort

		/* PtgRange */
		out.write_shift(1, 0x11);

		out.write_shift(4, 0);

		return out;
	}

	/* Writes a range with explicit sheet name [PtgArea3d] */
	function write_XLSBFormulaArea3D(_str, wb) {
		var lastbang = _str.lastIndexOf("!");
		var sname = _str.slice(0, lastbang);
		_str = _str.slice(lastbang + 1);
		if (sname.charAt(0) == "'") sname = sname.slice(1, -1).replace(/''/g, "'");
		var range = decode_range(_str);

		var out = new_buf(23);
		out.write_shift(4, 15);

		out.write_shift(1, 0x1B | ((1) << 5));
		out.write_shift(2, 2 + wb.SheetNames.map(function (n) { return n.toLowerCase(); }).indexOf(sname.toLowerCase()));
		out.write_shift(4, range.s.r);
		out.write_shift(4, range.e.r);
		out.write_shift(2, range.s.c);
		out.write_shift(2, range.e.c);

		out.write_shift(4, 0);

		return out;
	}


	/* General Formula */
	function write_XLSBFormula(val, wb) {
		if (typeof val == "number") return write_XLSBFormulaNum(val);
		if (typeof val == "boolean") return write_XLSBFormulaBool(val);
		if (/^#(DIV\/0!|GETTING_DATA|N\/A|NAME\?|NULL!|NUM!|REF!|VALUE!)$/.test(val)) return write_XLSBFormulaErr(+RBErr[val]);
		if (val.match(/^\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})$/)) return write_XLSBFormulaRef(val);
		if (val.match(/^\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5}):\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})$/)) return write_XLSBFormulaRange(val);
		if (val.match(/^#REF!\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5}):\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})$/)) return write_XLSBFormulaArea3D(val, wb);
		if (val.match(/^(?:'[^\\\/?*\[\]:]*'|[^'][^\\\/?*\[\]:'`~!@#$%^()\-=+{}|;,<.>]*)!\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})$/)) return write_XLSBFormulaRef3D(val, wb);
		if (val.match(/^(?:'[^\\\/?*\[\]:]*'|[^'][^\\\/?*\[\]:'`~!@#$%^()\-=+{}|;,<.>]*)!\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5}):\$?(?:[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D]|[A-Z]{1,2})\$?(?:10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})$/)) return write_XLSBFormulaRangeWS(val, wb);
		if (/^(?:'[^\\\/?*\[\]:]*'|[^'][^\\\/?*\[\]:'`~!@#$%^()\-=+{}|;,<.>]*)!#REF!$/.test(val)) return write_XLSBFormulaRefErr3D(val, wb);
		if (/^".*"$/.test(val)) return write_XLSBFormulaStr(val);
		if (/^[+-]\d+$/.test(val)) return write_XLSBFormulaNum(parseInt(val, 10));
		throw "Formula |" + val + "| not supported for XLSB";
	}
	var write_XLSBNameParsedFormula = write_XLSBFormula;
	var Cetab = {
		0: "BEEP",
		1: "OPEN",
		2: "OPEN.LINKS",
		3: "CLOSE.ALL",
		4: "SAVE",
		5: "SAVE.AS",
		6: "FILE.DELETE",
		7: "PAGE.SETUP",
		8: "PRINT",
		9: "PRINTER.SETUP",
		10: "QUIT",
		11: "NEW.WINDOW",
		12: "ARRANGE.ALL",
		13: "WINDOW.SIZE",
		14: "WINDOW.MOVE",
		15: "FULL",
		16: "CLOSE",
		17: "RUN",
		22: "SET.PRINT.AREA",
		23: "SET.PRINT.TITLES",
		24: "SET.PAGE.BREAK",
		25: "REMOVE.PAGE.BREAK",
		26: "FONT",
		27: "DISPLAY",
		28: "PROTECT.DOCUMENT",
		29: "PRECISION",
		30: "A1.R1C1",
		31: "CALCULATE.NOW",
		32: "CALCULATION",
		34: "DATA.FIND",
		35: "EXTRACT",
		36: "DATA.DELETE",
		37: "SET.DATABASE",
		38: "SET.CRITERIA",
		39: "SORT",
		40: "DATA.SERIES",
		41: "TABLE",
		42: "FORMAT.NUMBER",
		43: "ALIGNMENT",
		44: "STYLE",
		45: "BORDER",
		46: "CELL.PROTECTION",
		47: "COLUMN.WIDTH",
		48: "UNDO",
		49: "CUT",
		50: "COPY",
		51: "PASTE",
		52: "CLEAR",
		53: "PASTE.SPECIAL",
		54: "EDIT.DELETE",
		55: "INSERT",
		56: "FILL.RIGHT",
		57: "FILL.DOWN",
		61: "DEFINE.NAME",
		62: "CREATE.NAMES",
		63: "FORMULA.GOTO",
		64: "FORMULA.FIND",
		65: "SELECT.LAST.CELL",
		66: "SHOW.ACTIVE.CELL",
		67: "GALLERY.AREA",
		68: "GALLERY.BAR",
		69: "GALLERY.COLUMN",
		70: "GALLERY.LINE",
		71: "GALLERY.PIE",
		72: "GALLERY.SCATTER",
		73: "COMBINATION",
		74: "PREFERRED",
		75: "ADD.OVERLAY",
		76: "GRIDLINES",
		77: "SET.PREFERRED",
		78: "AXES",
		79: "LEGEND",
		80: "ATTACH.TEXT",
		81: "ADD.ARROW",
		82: "SELECT.CHART",
		83: "SELECT.PLOT.AREA",
		84: "PATTERNS",
		85: "MAIN.CHART",
		86: "OVERLAY",
		87: "SCALE",
		88: "FORMAT.LEGEND",
		89: "FORMAT.TEXT",
		90: "EDIT.REPEAT",
		91: "PARSE",
		92: "JUSTIFY",
		93: "HIDE",
		94: "UNHIDE",
		95: "WORKSPACE",
		96: "FORMULA",
		97: "FORMULA.FILL",
		98: "FORMULA.ARRAY",
		99: "DATA.FIND.NEXT",
		100: "DATA.FIND.PREV",
		101: "FORMULA.FIND.NEXT",
		102: "FORMULA.FIND.PREV",
		103: "ACTIVATE",
		104: "ACTIVATE.NEXT",
		105: "ACTIVATE.PREV",
		106: "UNLOCKED.NEXT",
		107: "UNLOCKED.PREV",
		108: "COPY.PICTURE",
		109: "SELECT",
		110: "DELETE.NAME",
		111: "DELETE.FORMAT",
		112: "VLINE",
		113: "HLINE",
		114: "VPAGE",
		115: "HPAGE",
		116: "VSCROLL",
		117: "HSCROLL",
		118: "ALERT",
		119: "NEW",
		120: "CANCEL.COPY",
		121: "SHOW.CLIPBOARD",
		122: "MESSAGE",
		124: "PASTE.LINK",
		125: "APP.ACTIVATE",
		126: "DELETE.ARROW",
		127: "ROW.HEIGHT",
		128: "FORMAT.MOVE",
		129: "FORMAT.SIZE",
		130: "FORMULA.REPLACE",
		131: "SEND.KEYS",
		132: "SELECT.SPECIAL",
		133: "APPLY.NAMES",
		134: "REPLACE.FONT",
		135: "FREEZE.PANES",
		136: "SHOW.INFO",
		137: "SPLIT",
		138: "ON.WINDOW",
		139: "ON.DATA",
		140: "DISABLE.INPUT",
		142: "OUTLINE",
		143: "LIST.NAMES",
		144: "FILE.CLOSE",
		145: "SAVE.WORKBOOK",
		146: "DATA.FORM",
		147: "COPY.CHART",
		148: "ON.TIME",
		149: "WAIT",
		150: "FORMAT.FONT",
		151: "FILL.UP",
		152: "FILL.LEFT",
		153: "DELETE.OVERLAY",
		155: "SHORT.MENUS",
		159: "SET.UPDATE.STATUS",
		161: "COLOR.PALETTE",
		162: "DELETE.STYLE",
		163: "WINDOW.RESTORE",
		164: "WINDOW.MAXIMIZE",
		166: "CHANGE.LINK",
		167: "CALCULATE.DOCUMENT",
		168: "ON.KEY",
		169: "APP.RESTORE",
		170: "APP.MOVE",
		171: "APP.SIZE",
		172: "APP.MINIMIZE",
		173: "APP.MAXIMIZE",
		174: "BRING.TO.FRONT",
		175: "SEND.TO.BACK",
		185: "MAIN.CHART.TYPE",
		186: "OVERLAY.CHART.TYPE",
		187: "SELECT.END",
		188: "OPEN.MAIL",
		189: "SEND.MAIL",
		190: "STANDARD.FONT",
		191: "CONSOLIDATE",
		192: "SORT.SPECIAL",
		193: "GALLERY.3D.AREA",
		194: "GALLERY.3D.COLUMN",
		195: "GALLERY.3D.LINE",
		196: "GALLERY.3D.PIE",
		197: "VIEW.3D",
		198: "GOAL.SEEK",
		199: "WORKGROUP",
		200: "FILL.GROUP",
		201: "UPDATE.LINK",
		202: "PROMOTE",
		203: "DEMOTE",
		204: "SHOW.DETAIL",
		206: "UNGROUP",
		207: "OBJECT.PROPERTIES",
		208: "SAVE.NEW.OBJECT",
		209: "SHARE",
		210: "SHARE.NAME",
		211: "DUPLICATE",
		212: "APPLY.STYLE",
		213: "ASSIGN.TO.OBJECT",
		214: "OBJECT.PROTECTION",
		215: "HIDE.OBJECT",
		216: "SET.EXTRACT",
		217: "CREATE.PUBLISHER",
		218: "SUBSCRIBE.TO",
		219: "ATTRIBUTES",
		220: "SHOW.TOOLBAR",
		222: "PRINT.PREVIEW",
		223: "EDIT.COLOR",
		224: "SHOW.LEVELS",
		225: "FORMAT.MAIN",
		226: "FORMAT.OVERLAY",
		227: "ON.RECALC",
		228: "EDIT.SERIES",
		229: "DEFINE.STYLE",
		240: "LINE.PRINT",
		243: "ENTER.DATA",
		249: "GALLERY.RADAR",
		250: "MERGE.STYLES",
		251: "EDITION.OPTIONS",
		252: "PASTE.PICTURE",
		253: "PASTE.PICTURE.LINK",
		254: "SPELLING",
		256: "ZOOM",
		259: "INSERT.OBJECT",
		260: "WINDOW.MINIMIZE",
		265: "SOUND.NOTE",
		266: "SOUND.PLAY",
		267: "FORMAT.SHAPE",
		268: "EXTEND.POLYGON",
		269: "FORMAT.AUTO",
		272: "GALLERY.3D.BAR",
		273: "GALLERY.3D.SURFACE",
		274: "FILL.AUTO",
		276: "CUSTOMIZE.TOOLBAR",
		277: "ADD.TOOL",
		278: "EDIT.OBJECT",
		279: "ON.DOUBLECLICK",
		280: "ON.ENTRY",
		281: "WORKBOOK.ADD",
		282: "WORKBOOK.MOVE",
		283: "WORKBOOK.COPY",
		284: "WORKBOOK.OPTIONS",
		285: "SAVE.WORKSPACE",
		288: "CHART.WIZARD",
		289: "DELETE.TOOL",
		290: "MOVE.TOOL",
		291: "WORKBOOK.SELECT",
		292: "WORKBOOK.ACTIVATE",
		293: "ASSIGN.TO.TOOL",
		295: "COPY.TOOL",
		296: "RESET.TOOL",
		297: "CONSTRAIN.NUMERIC",
		298: "PASTE.TOOL",
		302: "WORKBOOK.NEW",
		305: "SCENARIO.CELLS",
		306: "SCENARIO.DELETE",
		307: "SCENARIO.ADD",
		308: "SCENARIO.EDIT",
		309: "SCENARIO.SHOW",
		310: "SCENARIO.SHOW.NEXT",
		311: "SCENARIO.SUMMARY",
		312: "PIVOT.TABLE.WIZARD",
		313: "PIVOT.FIELD.PROPERTIES",
		314: "PIVOT.FIELD",
		315: "PIVOT.ITEM",
		316: "PIVOT.ADD.FIELDS",
		318: "OPTIONS.CALCULATION",
		319: "OPTIONS.EDIT",
		320: "OPTIONS.VIEW",
		321: "ADDIN.MANAGER",
		322: "MENU.EDITOR",
		323: "ATTACH.TOOLBARS",
		324: "VBAActivate",
		325: "OPTIONS.CHART",
		328: "VBA.INSERT.FILE",
		330: "VBA.PROCEDURE.DEFINITION",
		336: "ROUTING.SLIP",
		338: "ROUTE.DOCUMENT",
		339: "MAIL.LOGON",
		342: "INSERT.PICTURE",
		343: "EDIT.TOOL",
		344: "GALLERY.DOUGHNUT",
		350: "CHART.TREND",
		352: "PIVOT.ITEM.PROPERTIES",
		354: "WORKBOOK.INSERT",
		355: "OPTIONS.TRANSITION",
		356: "OPTIONS.GENERAL",
		370: "FILTER.ADVANCED",
		373: "MAIL.ADD.MAILER",
		374: "MAIL.DELETE.MAILER",
		375: "MAIL.REPLY",
		376: "MAIL.REPLY.ALL",
		377: "MAIL.FORWARD",
		378: "MAIL.NEXT.LETTER",
		379: "DATA.LABEL",
		380: "INSERT.TITLE",
		381: "FONT.PROPERTIES",
		382: "MACRO.OPTIONS",
		383: "WORKBOOK.HIDE",
		384: "WORKBOOK.UNHIDE",
		385: "WORKBOOK.DELETE",
		386: "WORKBOOK.NAME",
		388: "GALLERY.CUSTOM",
		390: "ADD.CHART.AUTOFORMAT",
		391: "DELETE.CHART.AUTOFORMAT",
		392: "CHART.ADD.DATA",
		393: "AUTO.OUTLINE",
		394: "TAB.ORDER",
		395: "SHOW.DIALOG",
		396: "SELECT.ALL",
		397: "UNGROUP.SHEETS",
		398: "SUBTOTAL.CREATE",
		399: "SUBTOTAL.REMOVE",
		400: "RENAME.OBJECT",
		412: "WORKBOOK.SCROLL",
		413: "WORKBOOK.NEXT",
		414: "WORKBOOK.PREV",
		415: "WORKBOOK.TAB.SPLIT",
		416: "FULL.SCREEN",
		417: "WORKBOOK.PROTECT",
		420: "SCROLLBAR.PROPERTIES",
		421: "PIVOT.SHOW.PAGES",
		422: "TEXT.TO.COLUMNS",
		423: "FORMAT.CHARTTYPE",
		424: "LINK.FORMAT",
		425: "TRACER.DISPLAY",
		430: "TRACER.NAVIGATE",
		431: "TRACER.CLEAR",
		432: "TRACER.ERROR",
		433: "PIVOT.FIELD.GROUP",
		434: "PIVOT.FIELD.UNGROUP",
		435: "CHECKBOX.PROPERTIES",
		436: "LABEL.PROPERTIES",
		437: "LISTBOX.PROPERTIES",
		438: "EDITBOX.PROPERTIES",
		439: "PIVOT.REFRESH",
		440: "LINK.COMBO",
		441: "OPEN.TEXT",
		442: "HIDE.DIALOG",
		443: "SET.DIALOG.FOCUS",
		444: "ENABLE.OBJECT",
		445: "PUSHBUTTON.PROPERTIES",
		446: "SET.DIALOG.DEFAULT",
		447: "FILTER",
		448: "FILTER.SHOW.ALL",
		449: "CLEAR.OUTLINE",
		450: "FUNCTION.WIZARD",
		451: "ADD.LIST.ITEM",
		452: "SET.LIST.ITEM",
		453: "REMOVE.LIST.ITEM",
		454: "SELECT.LIST.ITEM",
		455: "SET.CONTROL.VALUE",
		456: "SAVE.COPY.AS",
		458: "OPTIONS.LISTS.ADD",
		459: "OPTIONS.LISTS.DELETE",
		460: "SERIES.AXES",
		461: "SERIES.X",
		462: "SERIES.Y",
		463: "ERRORBAR.X",
		464: "ERRORBAR.Y",
		465: "FORMAT.CHART",
		466: "SERIES.ORDER",
		467: "MAIL.LOGOFF",
		468: "CLEAR.ROUTING.SLIP",
		469: "APP.ACTIVATE.MICROSOFT",
		470: "MAIL.EDIT.MAILER",
		471: "ON.SHEET",
		472: "STANDARD.WIDTH",
		473: "SCENARIO.MERGE",
		474: "SUMMARY.INFO",
		475: "FIND.FILE",
		476: "ACTIVE.CELL.FONT",
		477: "ENABLE.TIPWIZARD",
		478: "VBA.MAKE.ADDIN",
		480: "INSERTDATATABLE",
		481: "WORKGROUP.OPTIONS",
		482: "MAIL.SEND.MAILER",
		485: "AUTOCORRECT",
		489: "POST.DOCUMENT",
		491: "PICKLIST",
		493: "VIEW.SHOW",
		494: "VIEW.DEFINE",
		495: "VIEW.DELETE",
		509: "SHEET.BACKGROUND",
		510: "INSERT.MAP.OBJECT",
		511: "OPTIONS.MENONO",
		517: "MSOCHECKS",
		518: "NORMAL",
		519: "LAYOUT",
		520: "RM.PRINT.AREA",
		521: "CLEAR.PRINT.AREA",
		522: "ADD.PRINT.AREA",
		523: "MOVE.BRK",
		545: "HIDECURR.NOTE",
		546: "HIDEALL.NOTES",
		547: "DELETE.NOTE",
		548: "TRAVERSE.NOTES",
		549: "ACTIVATE.NOTES",
		620: "PROTECT.REVISIONS",
		621: "UNPROTECT.REVISIONS",
		647: "OPTIONS.ME",
		653: "WEB.PUBLISH",
		667: "NEWWEBQUERY",
		673: "PIVOT.TABLE.CHART",
		753: "OPTIONS.SAVE",
		755: "OPTIONS.SPELL",
		808: "HIDEALL.INKANNOTS"
	};
	var Ftab = {
		0: "COUNT",
		1: "IF",
		2: "ISNA",
		3: "ISERROR",
		4: "SUM",
		5: "AVERAGE",
		6: "MIN",
		7: "MAX",
		8: "ROW",
		9: "COLUMN",
		10: "NA",
		11: "NPV",
		12: "STDEV",
		13: "DOLLAR",
		14: "FIXED",
		15: "SIN",
		16: "COS",
		17: "TAN",
		18: "ATAN",
		19: "PI",
		20: "SQRT",
		21: "EXP",
		22: "LN",
		23: "LOG10",
		24: "ABS",
		25: "INT",
		26: "SIGN",
		27: "ROUND",
		28: "LOOKUP",
		29: "INDEX",
		30: "REPT",
		31: "MID",
		32: "LEN",
		33: "VALUE",
		34: "TRUE",
		35: "FALSE",
		36: "AND",
		37: "OR",
		38: "NOT",
		39: "MOD",
		40: "DCOUNT",
		41: "DSUM",
		42: "DAVERAGE",
		43: "DMIN",
		44: "DMAX",
		45: "DSTDEV",
		46: "VAR",
		47: "DVAR",
		48: "TEXT",
		49: "LINEST",
		50: "TREND",
		51: "LOGEST",
		52: "GROWTH",
		53: "GOTO",
		54: "HALT",
		55: "RETURN",
		56: "PV",
		57: "FV",
		58: "NPER",
		59: "PMT",
		60: "RATE",
		61: "MIRR",
		62: "IRR",
		63: "RAND",
		64: "MATCH",
		65: "DATE",
		66: "TIME",
		67: "DAY",
		68: "MONTH",
		69: "YEAR",
		70: "WEEKDAY",
		71: "HOUR",
		72: "MINUTE",
		73: "SECOND",
		74: "NOW",
		75: "AREAS",
		76: "ROWS",
		77: "COLUMNS",
		78: "OFFSET",
		79: "ABSREF",
		80: "RELREF",
		81: "ARGUMENT",
		82: "SEARCH",
		83: "TRANSPOSE",
		84: "ERROR",
		85: "STEP",
		86: "TYPE",
		87: "ECHO",
		88: "SET.NAME",
		89: "CALLER",
		90: "DEREF",
		91: "WINDOWS",
		92: "SERIES",
		93: "DOCUMENTS",
		94: "ACTIVE.CELL",
		95: "SELECTION",
		96: "RESULT",
		97: "ATAN2",
		98: "ASIN",
		99: "ACOS",
		100: "CHOOSE",
		101: "HLOOKUP",
		102: "VLOOKUP",
		103: "LINKS",
		104: "INPUT",
		105: "ISREF",
		106: "GET.FORMULA",
		107: "GET.NAME",
		108: "SET.VALUE",
		109: "LOG",
		110: "EXEC",
		111: "CHAR",
		112: "LOWER",
		113: "UPPER",
		114: "PROPER",
		115: "LEFT",
		116: "RIGHT",
		117: "EXACT",
		118: "TRIM",
		119: "REPLACE",
		120: "SUBSTITUTE",
		121: "CODE",
		122: "NAMES",
		123: "DIRECTORY",
		124: "FIND",
		125: "CELL",
		126: "ISERR",
		127: "ISTEXT",
		128: "ISNUMBER",
		129: "ISBLANK",
		130: "T",
		131: "N",
		132: "FOPEN",
		133: "FCLOSE",
		134: "FSIZE",
		135: "FREADLN",
		136: "FREAD",
		137: "FWRITELN",
		138: "FWRITE",
		139: "FPOS",
		140: "DATEVALUE",
		141: "TIMEVALUE",
		142: "SLN",
		143: "SYD",
		144: "DDB",
		145: "GET.DEF",
		146: "REFTEXT",
		147: "TEXTREF",
		148: "INDIRECT",
		149: "REGISTER",
		150: "CALL",
		151: "ADD.BAR",
		152: "ADD.MENU",
		153: "ADD.COMMAND",
		154: "ENABLE.COMMAND",
		155: "CHECK.COMMAND",
		156: "RENAME.COMMAND",
		157: "SHOW.BAR",
		158: "DELETE.MENU",
		159: "DELETE.COMMAND",
		160: "GET.CHART.ITEM",
		161: "DIALOG.BOX",
		162: "CLEAN",
		163: "MDETERM",
		164: "MINVERSE",
		165: "MMULT",
		166: "FILES",
		167: "IPMT",
		168: "PPMT",
		169: "COUNTA",
		170: "CANCEL.KEY",
		171: "FOR",
		172: "WHILE",
		173: "BREAK",
		174: "NEXT",
		175: "INITIATE",
		176: "REQUEST",
		177: "POKE",
		178: "EXECUTE",
		179: "TERMINATE",
		180: "RESTART",
		181: "HELP",
		182: "GET.BAR",
		183: "PRODUCT",
		184: "FACT",
		185: "GET.CELL",
		186: "GET.WORKSPACE",
		187: "GET.WINDOW",
		188: "GET.DOCUMENT",
		189: "DPRODUCT",
		190: "ISNONTEXT",
		191: "GET.NOTE",
		192: "NOTE",
		193: "STDEVP",
		194: "VARP",
		195: "DSTDEVP",
		196: "DVARP",
		197: "TRUNC",
		198: "ISLOGICAL",
		199: "DCOUNTA",
		200: "DELETE.BAR",
		201: "UNREGISTER",
		204: "USDOLLAR",
		205: "FINDB",
		206: "SEARCHB",
		207: "REPLACEB",
		208: "LEFTB",
		209: "RIGHTB",
		210: "MIDB",
		211: "LENB",
		212: "ROUNDUP",
		213: "ROUNDDOWN",
		214: "ASC",
		215: "DBCS",
		216: "RANK",
		219: "ADDRESS",
		220: "DAYS360",
		221: "TODAY",
		222: "VDB",
		223: "ELSE",
		224: "ELSE.IF",
		225: "END.IF",
		226: "FOR.CELL",
		227: "MEDIAN",
		228: "SUMPRODUCT",
		229: "SINH",
		230: "COSH",
		231: "TANH",
		232: "ASINH",
		233: "ACOSH",
		234: "ATANH",
		235: "DGET",
		236: "CREATE.OBJECT",
		237: "VOLATILE",
		238: "LAST.ERROR",
		239: "CUSTOM.UNDO",
		240: "CUSTOM.REPEAT",
		241: "FORMULA.CONVERT",
		242: "GET.LINK.INFO",
		243: "TEXT.BOX",
		244: "INFO",
		245: "GROUP",
		246: "GET.OBJECT",
		247: "DB",
		248: "PAUSE",
		251: "RESUME",
		252: "FREQUENCY",
		253: "ADD.TOOLBAR",
		254: "DELETE.TOOLBAR",
		255: "User",
		256: "RESET.TOOLBAR",
		257: "EVALUATE",
		258: "GET.TOOLBAR",
		259: "GET.TOOL",
		260: "SPELLING.CHECK",
		261: "ERROR.TYPE",
		262: "APP.TITLE",
		263: "WINDOW.TITLE",
		264: "SAVE.TOOLBAR",
		265: "ENABLE.TOOL",
		266: "PRESS.TOOL",
		267: "REGISTER.ID",
		268: "GET.WORKBOOK",
		269: "AVEDEV",
		270: "BETADIST",
		271: "GAMMALN",
		272: "BETAINV",
		273: "BINOMDIST",
		274: "CHIDIST",
		275: "CHIINV",
		276: "COMBIN",
		277: "CONFIDENCE",
		278: "CRITBINOM",
		279: "EVEN",
		280: "EXPONDIST",
		281: "FDIST",
		282: "FINV",
		283: "FISHER",
		284: "FISHERINV",
		285: "FLOOR",
		286: "GAMMADIST",
		287: "GAMMAINV",
		288: "CEILING",
		289: "HYPGEOMDIST",
		290: "LOGNORMDIST",
		291: "LOGINV",
		292: "NEGBINOMDIST",
		293: "NORMDIST",
		294: "NORMSDIST",
		295: "NORMINV",
		296: "NORMSINV",
		297: "STANDARDIZE",
		298: "ODD",
		299: "PERMUT",
		300: "POISSON",
		301: "TDIST",
		302: "WEIBULL",
		303: "SUMXMY2",
		304: "SUMX2MY2",
		305: "SUMX2PY2",
		306: "CHITEST",
		307: "CORREL",
		308: "COVAR",
		309: "FORECAST",
		310: "FTEST",
		311: "INTERCEPT",
		312: "PEARSON",
		313: "RSQ",
		314: "STEYX",
		315: "SLOPE",
		316: "TTEST",
		317: "PROB",
		318: "DEVSQ",
		319: "GEOMEAN",
		320: "HARMEAN",
		321: "SUMSQ",
		322: "KURT",
		323: "SKEW",
		324: "ZTEST",
		325: "LARGE",
		326: "SMALL",
		327: "QUARTILE",
		328: "PERCENTILE",
		329: "PERCENTRANK",
		330: "MODE",
		331: "TRIMMEAN",
		332: "TINV",
		334: "MOVIE.COMMAND",
		335: "GET.MOVIE",
		336: "CONCATENATE",
		337: "POWER",
		338: "PIVOT.ADD.DATA",
		339: "GET.PIVOT.TABLE",
		340: "GET.PIVOT.FIELD",
		341: "GET.PIVOT.ITEM",
		342: "RADIANS",
		343: "DEGREES",
		344: "SUBTOTAL",
		345: "SUMIF",
		346: "COUNTIF",
		347: "COUNTBLANK",
		348: "SCENARIO.GET",
		349: "OPTIONS.LISTS.GET",
		350: "ISPMT",
		351: "DATEDIF",
		352: "DATESTRING",
		353: "NUMBERSTRING",
		354: "ROMAN",
		355: "OPEN.DIALOG",
		356: "SAVE.DIALOG",
		357: "VIEW.GET",
		358: "GETPIVOTDATA",
		359: "HYPERLINK",
		360: "PHONETIC",
		361: "AVERAGEA",
		362: "MAXA",
		363: "MINA",
		364: "STDEVPA",
		365: "VARPA",
		366: "STDEVA",
		367: "VARA",
		368: "BAHTTEXT",
		369: "THAIDAYOFWEEK",
		370: "THAIDIGIT",
		371: "THAIMONTHOFYEAR",
		372: "THAINUMSOUND",
		373: "THAINUMSTRING",
		374: "THAISTRINGLENGTH",
		375: "ISTHAIDIGIT",
		376: "ROUNDBAHTDOWN",
		377: "ROUNDBAHTUP",
		378: "THAIYEAR",
		379: "RTD",
		380: "CUBEVALUE",
		381: "CUBEMEMBER",
		382: "CUBEMEMBERPROPERTY",
		383: "CUBERANKEDMEMBER",
		384: "HEX2BIN",
		385: "HEX2DEC",
		386: "HEX2OCT",
		387: "DEC2BIN",
		388: "DEC2HEX",
		389: "DEC2OCT",
		390: "OCT2BIN",
		391: "OCT2HEX",
		392: "OCT2DEC",
		393: "BIN2DEC",
		394: "BIN2OCT",
		395: "BIN2HEX",
		396: "IMSUB",
		397: "IMDIV",
		398: "IMPOWER",
		399: "IMABS",
		400: "IMSQRT",
		401: "IMLN",
		402: "IMLOG2",
		403: "IMLOG10",
		404: "IMSIN",
		405: "IMCOS",
		406: "IMEXP",
		407: "IMARGUMENT",
		408: "IMCONJUGATE",
		409: "IMAGINARY",
		410: "IMREAL",
		411: "COMPLEX",
		412: "IMSUM",
		413: "IMPRODUCT",
		414: "SERIESSUM",
		415: "FACTDOUBLE",
		416: "SQRTPI",
		417: "QUOTIENT",
		418: "DELTA",
		419: "GESTEP",
		420: "ISEVEN",
		421: "ISODD",
		422: "MROUND",
		423: "ERF",
		424: "ERFC",
		425: "BESSELJ",
		426: "BESSELK",
		427: "BESSELY",
		428: "BESSELI",
		429: "XIRR",
		430: "XNPV",
		431: "PRICEMAT",
		432: "YIELDMAT",
		433: "INTRATE",
		434: "RECEIVED",
		435: "DISC",
		436: "PRICEDISC",
		437: "YIELDDISC",
		438: "TBILLEQ",
		439: "TBILLPRICE",
		440: "TBILLYIELD",
		441: "PRICE",
		442: "YIELD",
		443: "DOLLARDE",
		444: "DOLLARFR",
		445: "NOMINAL",
		446: "EFFECT",
		447: "CUMPRINC",
		448: "CUMIPMT",
		449: "EDATE",
		450: "EOMONTH",
		451: "YEARFRAC",
		452: "COUPDAYBS",
		453: "COUPDAYS",
		454: "COUPDAYSNC",
		455: "COUPNCD",
		456: "COUPNUM",
		457: "COUPPCD",
		458: "DURATION",
		459: "MDURATION",
		460: "ODDLPRICE",
		461: "ODDLYIELD",
		462: "ODDFPRICE",
		463: "ODDFYIELD",
		464: "RANDBETWEEN",
		465: "WEEKNUM",
		466: "AMORDEGRC",
		467: "AMORLINC",
		468: "CONVERT",
		724: "SHEETJS",
		469: "ACCRINT",
		470: "ACCRINTM",
		471: "WORKDAY",
		472: "NETWORKDAYS",
		473: "GCD",
		474: "MULTINOMIAL",
		475: "LCM",
		476: "FVSCHEDULE",
		477: "CUBEKPIMEMBER",
		478: "CUBESET",
		479: "CUBESETCOUNT",
		480: "IFERROR",
		481: "COUNTIFS",
		482: "SUMIFS",
		483: "AVERAGEIF",
		484: "AVERAGEIFS"
	};
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		30: 2,
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		113: 1,
		114: 1,
		117: 2,
		118: 1,
		119: 4,
		121: 1,
		126: 1,
		127: 1,
		128: 1,
		129: 1,
		130: 1,
		131: 1,
		133: 1,
		134: 1,
		135: 1,
		136: 2,
		137: 2,
		138: 2,
		140: 1,
		141: 1,
		142: 3,
		143: 4,
		144: 4,
		161: 1,
		162: 1,
		163: 1,
		164: 1,
		165: 2,
		172: 1,
		175: 2,
		176: 2,
		177: 3,
		178: 2,
		179: 1,
		184: 1,
		186: 1,
		189: 3,
		190: 1,
		195: 3,
		196: 3,
		197: 1,
		198: 1,
		199: 3,
		201: 1,
		207: 4,
		210: 3,
		211: 1,
		212: 2,
		213: 2,
		214: 1,
		215: 1,
		225: 0,
		229: 1,
		230: 1,
		231: 1,
		232: 1,
		233: 1,
		234: 1,
		235: 3,
		244: 1,
		247: 4,
		252: 2,
		257: 1,
		261: 1,
		271: 1,
		273: 4,
		274: 2,
		275: 2,
		276: 2,
		277: 3,
		278: 3,
		279: 1,
		280: 3,
		281: 3,
		282: 3,
		283: 1,
		284: 1,
		285: 2,
		286: 4,
		287: 3,
		288: 2,
		289: 4,
		290: 3,
		291: 3,
		292: 3,
		293: 4,
		294: 1,
		295: 3,
		296: 1,
		297: 3,
		298: 1,
		299: 2,
		300: 3,
		301: 3,
		302: 4,
		303: 2,
		304: 2,
		305: 2,
		306: 2,
		307: 2,
		308: 2,
		309: 3,
		310: 2,
		311: 2,
		312: 2,
		313: 2,
		314: 2,
		315: 2,
		316: 4,
		325: 2,
		326: 2,
		327: 2,
		328: 2,
		331: 2,
		332: 2,
		337: 2,
		342: 1,
		343: 1,
		346: 2,
		347: 1,
		350: 4,
		351: 3,
		352: 1,
		353: 2,
		360: 1,
		368: 1,
		369: 1,
		370: 1,
		371: 1,
		372: 1,
		373: 1,
		374: 1,
		375: 1,
		376: 1,
		377: 1,
		378: 1,
		382: 3,
		385: 1,
		392: 1,
		393: 1,
		396: 2,
		397: 2,
		398: 2,
		399: 1,
		400: 1,
		401: 1,
		402: 1,
		403: 1,
		404: 1,
		405: 1,
		406: 1,
		407: 1,
		408: 1,
		409: 1,
		410: 1,
		414: 4,
		415: 1,
		416: 1,
		417: 2,
		420: 1,
		421: 1,
		422: 2,
		424: 1,
		425: 2,
		426: 2,
		427: 2,
		428: 2,
		430: 3,
		438: 3,
		439: 3,
		440: 3,
		443: 2,
		444: 2,
		445: 2,
		446: 2,
		447: 6,
		448: 6,
		449: 2,
		450: 2,
		464: 2,
		468: 3,
		476: 2,
		479: 1,
		480: 2,
		65535: 0
	};
	/* Part 3 TODO: actually parse formulae */
	function ods_to_csf_formula(f) {
		if (f.slice(0, 3) == "of:") f = f.slice(3);
		/* 5.2 Basic Expressions */
		if (f.charCodeAt(0) == 61) {
			f = f.slice(1);
			if (f.charCodeAt(0) == 61) f = f.slice(1);
		}
		f = f.replace(/COM\.MICROSOFT\./g, "");
		/* Part 3 Section 5.8 References */
		f = f.replace(/\[((?:\.[A-Z]+[0-9]+)(?::\.[A-Z]+[0-9]+)?)\]/g, function ($$, $1) { return $1.replace(/\./g, ""); });
		f = f.replace(/\$'([^']|'')+'/g, function ($$) { return $$.slice(1); });
		f = f.replace(/\$([^\]\. #$]+)/g, function ($$, $1) { return ($1).match(/^([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])?(10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})?$/) ? $$ : $1; });
		/* TODO: something other than this */
		f = f.replace(/\[.(#[A-Z]*[?!])\]/g, "$1");
		return f.replace(/[;~]/g, ",").replace(/\|/g, ";");
	}

	function csf_to_ods_formula(f) {
		var o = "of:=" + f.replace(crefregex, "$1[.$2$3$4$5]").replace(/\]:\[/g, ":");
		/* TODO: something other than this */
		return o.replace(/;/g, "|").replace(/,/g, ";");
	}

	function ods_to_csf_3D(r) {
		r = r.replace(/\$'([^']|'')+'/g, function ($$) { return $$.slice(1); });
		r = r.replace(/\$([^\]\. #$]+)/g, function ($$, $1) { return ($1).match(/^([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])?(10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})?$/) ? $$ : $1; });
		var a = r.split(":");
		var s = a[0].split(".")[0];
		return [s, a[0].split(".")[1] + (a.length > 1 ? (":" + (a[1].split(".")[1] || a[1].split(".")[0])) : "")];
	}

	function csf_to_ods_3D(r) {
		return r.replace(/!/, ".").replace(/:/, ":.");
	}

	var strs = {}; // shared strings
	var _ssfopts = {}; // spreadsheet formatting options


	/*global Map */
	var browser_has_Map = typeof Map !== 'undefined';

	function get_sst_id(sst, str, rev) {
		var i = 0, len = sst.length;
		if (rev) {
			if (browser_has_Map ? rev.has(str) : Object.prototype.hasOwnProperty.call(rev, str)) {
				var revarr = browser_has_Map ? rev.get(str) : rev[str];
				for (; i < revarr.length; ++i) {
					if (sst[revarr[i]].t === str) { sst.Count++; return revarr[i]; }
				}
			}
		} else for (; i < len; ++i) {
			if (sst[i].t === str) { sst.Count++; return i; }
		}
		sst[len] = ({ t: str }); sst.Count++; sst.Unique++;
		if (rev) {
			if (browser_has_Map) {
				if (!rev.has(str)) rev.set(str, []);
				rev.get(str).push(len);
			} else {
				if (!Object.prototype.hasOwnProperty.call(rev, str)) rev[str] = [];
				rev[str].push(len);
			}
		}
		return len;
	}

	function col_obj_w(C, col) {
		var p = ({ min: C + 1, max: C + 1 });
		/* wch (chars), wpx (pixels) */
		var wch = -1;
		if (col.MDW) MDW = col.MDW;
		if (col.width != null) p.customWidth = 1;
		else if (col.wpx != null) wch = px2char(col.wpx);
		else if (col.wch != null) wch = col.wch;
		if (wch > -1) { p.width = char2width(wch); p.customWidth = 1; }
		else if (col.width != null) p.width = col.width;
		if (col.hidden) p.hidden = true;
		if (col.level != null) { p.outlineLevel = p.level = col.level; }
		return p;
	}

	function default_margins(margins, mode) {
		if (!margins) return;
		var defs = [0.7, 0.7, 0.75, 0.75, 0.3, 0.3];
		if (mode == 'xlml') defs = [1, 1, 1, 1, 0.5, 0.5];
		if (margins.left == null) margins.left = defs[0];
		if (margins.right == null) margins.right = defs[1];
		if (margins.top == null) margins.top = defs[2];
		if (margins.bottom == null) margins.bottom = defs[3];
		if (margins.header == null) margins.header = defs[4];
		if (margins.footer == null) margins.footer = defs[5];
	}

	function get_cell_style(styles, cell, opts) {
		var z = opts.revssf[cell.z != null ? cell.z : "General"];
		var i = 0x3c, len = styles.length;
		if (z == null && opts.ssf) {
			for (; i < 0x188; ++i) if (opts.ssf[i] == null) {
				SSF__load(cell.z, i);
				// $FlowIgnore
				opts.ssf[i] = cell.z;
				opts.revssf[cell.z] = z = i;
				break;
			}
		}
		for (i = 0; i != len; ++i) if (styles[i].numFmtId === z) return i;
		styles[len] = {
			numFmtId: z,
			fontId: 0,
			fillId: 0,
			borderId: 0,
			xfId: 0,
			applyNumberFormat: 1
		};
		return len;
	}

	function safe_format(p, fmtid, fillid, opts, themes, styles, date1904) {
		try {
			if (opts.cellNF) p.z = table_fmt[fmtid];
		} catch (e) { if (opts.WTF) throw e; }
		if (p.t === 'z' && !opts.cellStyles) return;
		if (p.t === 'd' && typeof p.v === 'string') p.v = parseDate(p.v);
		if ((!opts || opts.cellText !== false) && p.t !== 'z') try {
			if (table_fmt[fmtid] == null) SSF__load(SSFImplicit[fmtid] || "General", fmtid);
			if (p.t === 'e') p.w = p.w || BErr[p.v];
			else if (fmtid === 0) {
				if (p.t === 'n') {
					if ((p.v | 0) === p.v) p.w = p.v.toString(10);
					else p.w = SSF_general_num(p.v);
				}
				else if (p.t === 'd') {
					var dd = datenum(p.v, !!date1904);
					if ((dd | 0) === dd) p.w = dd.toString(10);
					else p.w = SSF_general_num(dd);
				}
				else if (p.v === undefined) return "";
				else p.w = SSF_general(p.v, _ssfopts);
			}
			else if (p.t === 'd') p.w = SSF_format(fmtid, datenum(p.v, !!date1904), _ssfopts);
			else p.w = SSF_format(fmtid, p.v, _ssfopts);
		} catch (e) { if (opts.WTF) throw e; }
		if (!opts.cellStyles) return;
		if (fillid != null) try {
			p.s = styles.Fills[fillid];
			if (p.s.fgColor && p.s.fgColor.theme && !p.s.fgColor.rgb) {
				p.s.fgColor.rgb = rgb_tint(themes.themeElements.clrScheme[p.s.fgColor.theme].rgb, p.s.fgColor.tint || 0);
				if (opts.WTF) p.s.fgColor.raw_rgb = themes.themeElements.clrScheme[p.s.fgColor.theme].rgb;
			}
			if (p.s.bgColor && p.s.bgColor.theme) {
				p.s.bgColor.rgb = rgb_tint(themes.themeElements.clrScheme[p.s.bgColor.theme].rgb, p.s.bgColor.tint || 0);
				if (opts.WTF) p.s.bgColor.raw_rgb = themes.themeElements.clrScheme[p.s.bgColor.theme].rgb;
			}
		} catch (e) { if (opts.WTF && styles.Fills) throw e; }
	}

	function check_ws(ws, sname, i) {
		if (ws && ws['!ref']) {
			var range = safe_decode_range(ws['!ref']);
			if (range.e.c < range.s.c || range.e.r < range.s.r) throw new Error("Bad range (" + i + "): " + ws['!ref']);
		}
	}
	function parse_ws_xml_dim(ws, s) {
		var d = safe_decode_range(s);
		if (d.s.r <= d.e.r && d.s.c <= d.e.c && d.s.r >= 0 && d.s.c >= 0) ws["!ref"] = encode_range(d);
	}
	var mergecregex = /<(?:\w+:)?mergeCell ref=["'][A-Z0-9:]+['"]\s*[\/]?>/g;
	var hlinkregex = /<(?:\w+:)?hyperlink [^<>]*>/mg;
	var dimregex = /"(\w*:\w*)"/;
	var colregex = /<(?:\w+:)?col\b[^<>]*[\/]?>/g;
	var afregex = /<(?:\w+:)?autoFilter[^>]*/g;
	var marginregex = /<(?:\w+:)?pageMargins[^<>]*\/>/g;
	var sheetprregex = /<(?:\w+:)?sheetPr\b[^<>]*?\/>/;

	/* 18.3 Worksheets */
	function parse_ws_xml(data, opts, idx, rels, wb, themes, styles) {
		if (!data) return data;
		if (!rels) rels = { '!id': {} };
		if (DENSE != null && opts.dense == null) opts.dense = DENSE;

		/* 18.3.1.99 worksheet CT_Worksheet */
		var s = ({}); if (opts.dense) s["!data"] = [];
		var refguess = ({ s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } });

		var data1 = "", data2 = "";
		var mtch = str_match_xml_ns(data, "sheetData");
		if (mtch) {
			data1 = data.slice(0, mtch.index);
			data2 = data.slice(mtch.index + mtch[0].length);
		} else data1 = data2 = data;

		/* 18.3.1.82 sheetPr CT_SheetPr */
		var sheetPr = data1.match(sheetprregex);
		if (sheetPr) parse_ws_xml_sheetpr(sheetPr[0], s, wb, idx);
		else if ((sheetPr = str_match_xml_ns(data1, "sheetPr"))) parse_ws_xml_sheetpr2(sheetPr[0], sheetPr[1] || "", s, wb, idx, styles, themes);

		/* 18.3.1.35 dimension CT_SheetDimension */
		var ridx = (data1.match(/<(?:\w*:)?dimension/) || { index: -1 }).index;
		if (ridx > 0) {
			var ref = data1.slice(ridx, ridx + 50).match(dimregex);
			if (ref && !(opts && opts.nodim)) parse_ws_xml_dim(s, ref[1]);
		}

		/* 18.3.1.88 sheetViews CT_SheetViews */
		var svs = str_match_xml_ns(data1, "sheetViews");
		if (svs && svs[1]) parse_ws_xml_sheetviews(svs[1], wb);

		/* 18.3.1.17 cols CT_Cols */
		var columns = [];
		if (opts.cellStyles) {
			/* 18.3.1.13 col CT_Col */
			var cols = data1.match(colregex);
			if (cols) parse_ws_xml_cols(columns, cols);
		}

		/* 18.3.1.80 sheetData CT_SheetData ? */
		if (mtch) parse_ws_xml_data(mtch[1], s, opts, refguess, themes, styles, wb);

		/* 18.3.1.2  autoFilter CT_AutoFilter */
		var afilter = data2.match(afregex);
		if (afilter) s['!autofilter'] = parse_ws_xml_autofilter(afilter[0]);

		/* 18.3.1.55 mergeCells CT_MergeCells */
		var merges = [];
		var _merge = data2.match(mergecregex);
		if (_merge) for (ridx = 0; ridx != _merge.length; ++ridx)
			merges[ridx] = safe_decode_range(_merge[ridx].slice(_merge[ridx].indexOf("=") + 2));

		/* 18.3.1.48 hyperlinks CT_Hyperlinks */
		var hlink = data2.match(hlinkregex);
		if (hlink) parse_ws_xml_hlinks(s, hlink, rels);

		/* 18.3.1.62 pageMargins CT_PageMargins */
		var margins = data2.match(marginregex);
		if (margins) s['!margins'] = parse_ws_xml_margins(parsexmltag(margins[0]));

		/* legacyDrawing */
		var m;
		if ((m = data2.match(/legacyDrawing r:id="(.*?)"/))) s['!legrel'] = m[1];

		if (opts && opts.nodim) refguess.s.c = refguess.s.r = 0;
		if (!s["!ref"] && refguess.e.c >= refguess.s.c && refguess.e.r >= refguess.s.r) s["!ref"] = encode_range(refguess);
		if (opts.sheetRows > 0 && s["!ref"]) {
			var tmpref = safe_decode_range(s["!ref"]);
			if (opts.sheetRows <= +tmpref.e.r) {
				tmpref.e.r = opts.sheetRows - 1;
				if (tmpref.e.r > refguess.e.r) tmpref.e.r = refguess.e.r;
				if (tmpref.e.r < tmpref.s.r) tmpref.s.r = tmpref.e.r;
				if (tmpref.e.c > refguess.e.c) tmpref.e.c = refguess.e.c;
				if (tmpref.e.c < tmpref.s.c) tmpref.s.c = tmpref.e.c;
				s["!fullref"] = s["!ref"];
				s["!ref"] = encode_range(tmpref);
			}
		}
		if (columns.length > 0) s["!cols"] = columns;
		if (merges.length > 0) s["!merges"] = merges;
		if (rels['!id'][s['!legrel']]) s['!legdrawel'] = rels['!id'][s['!legrel']];
		return s;
	}

	function write_ws_xml_merges(merges) {
		if (merges.length === 0) return "";
		var o = '<mergeCells count="' + merges.length + '">';
		for (var i = 0; i != merges.length; ++i) o += '<mergeCell ref="' + encode_range(merges[i]) + '"/>';
		return o + '</mergeCells>';
	}

	/* 18.3.1.82-3 sheetPr CT_ChartsheetPr / CT_SheetPr */
	function parse_ws_xml_sheetpr(sheetPr, s, wb, idx) {
		var data = parsexmltag(sheetPr);
		if (!wb.Sheets[idx]) wb.Sheets[idx] = {};
		if (data.codeName) wb.Sheets[idx].CodeName = unescapexml(utf8read(data.codeName));
	}
	function parse_ws_xml_sheetpr2(sheetPr, body, s, wb, idx) {
		parse_ws_xml_sheetpr(sheetPr.slice(0, sheetPr.indexOf(">")), s, wb, idx);
	}
	function write_ws_xml_sheetpr(ws, wb, idx, opts, o) {
		var needed = false;
		var props = {}, payload = null;
		if (opts.bookType !== 'xlsx' && wb.vbaraw) {
			var cname = wb.SheetNames[idx];
			try { if (wb.Workbook) cname = wb.Workbook.Sheets[idx].CodeName || cname; } catch (e) { }
			needed = true;
			props.codeName = utf8write(escapexml(cname));
		}

		if (ws && ws["!outline"]) {
			var outlineprops = { summaryBelow: 1, summaryRight: 1 };
			if (ws["!outline"].above) outlineprops.summaryBelow = 0;
			if (ws["!outline"].left) outlineprops.summaryRight = 0;
			payload = (payload || "") + writextag('outlinePr', null, outlineprops);
		}

		if (!needed && !payload) return;
		o[o.length] = (writextag('sheetPr', payload, props));
	}

	/* 18.3.1.85 sheetProtection CT_SheetProtection */
	var sheetprot_deffalse = ["objects", "scenarios", "selectLockedCells", "selectUnlockedCells"];
	var sheetprot_deftrue = [
		"formatColumns", "formatRows", "formatCells",
		"insertColumns", "insertRows", "insertHyperlinks",
		"deleteColumns", "deleteRows",
		"sort", "autoFilter", "pivotTables"
	];
	function write_ws_xml_protection(sp) {
		// algorithmName, hashValue, saltValue, spinCount
		var o = ({ sheet: 1 });
		sheetprot_deffalse.forEach(function (n) { if (sp[n] != null && sp[n]) o[n] = "1"; });
		sheetprot_deftrue.forEach(function (n) { if (sp[n] != null && !sp[n]) o[n] = "0"; });
		/* TODO: algorithm */
		if (sp.password) o.password = crypto_CreatePasswordVerifier_Method1(sp.password).toString(16).toUpperCase();
		return writextag('sheetProtection', null, o);
	}

	function parse_ws_xml_hlinks(s, data, rels) {
		var dense = s["!data"] != null;
		for (var i = 0; i != data.length; ++i) {
			var val = parsexmltag(utf8read(data[i]), true);
			if (!val.ref) return;
			var rel = ((rels || {})['!id'] || [])[val.id];
			if (rel) {
				val.Target = rel.Target;
				if (val.location) val.Target += "#" + unescapexml(val.location);
			} else {
				val.Target = "#" + unescapexml(val.location);
				rel = { Target: val.Target, TargetMode: 'Internal' };
			}
			val.Rel = rel;
			if (val.tooltip) { val.Tooltip = val.tooltip; delete val.tooltip; }
			var rng = safe_decode_range(val.ref);
			for (var R = rng.s.r; R <= rng.e.r; ++R) for (var C = rng.s.c; C <= rng.e.c; ++C) {
				var addr = encode_col(C) + encode_row(R);
				if (dense) {
					if (!s["!data"][R]) s["!data"][R] = [];
					if (!s["!data"][R][C]) s["!data"][R][C] = { t: "z", v: undefined };
					s["!data"][R][C].l = val;
				} else {
					if (!s[addr]) s[addr] = { t: "z", v: undefined };
					s[addr].l = val;
				}
			}
		}
	}

	function parse_ws_xml_margins(margin) {
		var o = {};
		["left", "right", "top", "bottom", "header", "footer"].forEach(function (k) {
			if (margin[k]) o[k] = parseFloat(margin[k]);
		});
		return o;
	}
	function write_ws_xml_margins(margin) {
		default_margins(margin);
		return writextag('pageMargins', null, margin);
	}

	function parse_ws_xml_cols(columns, cols) {
		var seencol = false;
		for (var coli = 0; coli != cols.length; ++coli) {
			var coll = parsexmltag(cols[coli], true);
			if (coll.hidden) coll.hidden = parsexmlbool(coll.hidden);
			var colm = parseInt(coll.min, 10) - 1, colM = parseInt(coll.max, 10) - 1;
			if (coll.outlineLevel) coll.level = (+coll.outlineLevel || 0);
			delete coll.min; delete coll.max; coll.width = +coll.width;
			if (!seencol && coll.width) { seencol = true; find_mdw_colw(coll.width); }
			process_col(coll);
			while (colm <= colM) columns[colm++] = dup(coll);
		}
	}
	function write_ws_xml_cols(ws, cols) {
		var o = ["<cols>"], col;
		for (var i = 0; i != cols.length; ++i) {
			if (!(col = cols[i])) continue;
			o[o.length] = (writextag('col', null, col_obj_w(i, col)));
		}
		o[o.length] = "</cols>";
		return o.join("");
	}

	function parse_ws_xml_autofilter(data) {
		var o = { ref: (data.match(/ref="([^"]*)"/) || [])[1] };
		return o;
	}
	function write_ws_xml_autofilter(data, ws, wb, idx) {
		var ref = typeof data.ref == "string" ? data.ref : encode_range(data.ref);
		if (!wb.Workbook) wb.Workbook = ({ Sheets: [] });
		if (!wb.Workbook.Names) wb.Workbook.Names = [];
		var names = wb.Workbook.Names;
		var range = decode_range(ref);
		if (range.s.r == range.e.r) { range.e.r = decode_range(ws["!ref"]).e.r; ref = encode_range(range); }
		for (var i = 0; i < names.length; ++i) {
			var name = names[i];
			if (name.Name != '_xlnm._FilterDatabase') continue;
			if (name.Sheet != idx) continue;
			name.Ref = formula_quote_sheet_name(wb.SheetNames[idx]) + "!" + fix_range(ref); break;
		}
		if (i == names.length) names.push({ Name: '_xlnm._FilterDatabase', Sheet: idx, Ref: "'" + wb.SheetNames[idx] + "'!" + ref });
		return writextag("autoFilter", null, { ref: ref });
	}

	/* 18.3.1.88 sheetViews CT_SheetViews */
	/* 18.3.1.87 sheetView CT_SheetView */
	var sviewregex = /<(?:\w:)?sheetView(?:[^<>a-z][^<>]*)?\/?>/g;
	function parse_ws_xml_sheetviews(data, wb) {
		if (!wb.Views) wb.Views = [{}];
		(data.match(sviewregex) || []).forEach(function (r, i) {
			var tag = parsexmltag(r);
			// $FlowIgnore
			if (!wb.Views[i]) wb.Views[i] = {};
			// $FlowIgnore
			if (+tag.zoomScale) wb.Views[i].zoom = +tag.zoomScale;
			// $FlowIgnore
			if (tag.rightToLeft && parsexmlbool(tag.rightToLeft)) wb.Views[i].RTL = true;
		});
	}
	function write_ws_xml_sheetviews(ws, opts, idx, wb) {
		var sview = ({ workbookViewId: "0" });
		// $FlowIgnore
		if ((((wb || {}).Workbook || {}).Views || [])[0]) sview.rightToLeft = wb.Workbook.Views[0].RTL ? "1" : "0";
		return writextag("sheetViews", writextag("sheetView", null, sview), {});
	}

	function write_ws_xml_cell(cell, ref, ws, opts, idx, wb, date1904) {
		if (cell.c) ws['!comments'].push([ref, cell.c]);
		if ((cell.v === undefined || cell.t === "z" && !(opts || {}).sheetStubs) && typeof cell.f !== "string" && typeof cell.z == "undefined") return "";
		var vv = "";
		var oldt = cell.t, oldv = cell.v;
		if (cell.t !== "z") switch (cell.t) {
			case 'b': vv = cell.v ? "1" : "0"; break;
			case 'n':
				if (isNaN(cell.v)) { cell.t = "e"; vv = BErr[cell.v = 0x24]; } // #NUM!
				else if (!isFinite(cell.v)) { cell.t = "e"; vv = BErr[cell.v = 0x07]; } // #DIV/0!
				else vv = '' + cell.v; break;
			case 'e': vv = BErr[cell.v]; break;
			case 'd':
				if (opts && opts.cellDates) {
					var _vv = parseDate(cell.v, date1904);
					vv = _vv.toISOString();
					if (_vv.getUTCFullYear() < 1900) vv = vv.slice(vv.indexOf("T") + 1).replace("Z", "");
				} else {
					cell = dup(cell);
					cell.t = 'n';
					vv = '' + (cell.v = datenum(parseDate(cell.v, date1904), date1904));
				}
				if (typeof cell.z === 'undefined') cell.z = table_fmt[14];
				break;
			default: vv = cell.v; break;
		}
		var v = (cell.t == "z" || cell.v == null) ? "" : writetag('v', escapexml(vv)), o = ({ r: ref });
		/* TODO: cell style */
		var os = get_cell_style(opts.cellXfs, cell, opts);
		if (os !== 0) o.s = os;
		switch (cell.t) {
			case 'n': break;
			case 'd': o.t = "d"; break;
			case 'b': o.t = "b"; break;
			case 'e': o.t = "e"; break;
			case 'z': break;
			default: if (cell.v == null) { delete cell.t; break; }
				if (cell.v.length > 32767) throw new Error("Text length must not exceed 32767 characters");
				if (opts && opts.bookSST) {
					v = writetag('v', '' + get_sst_id(opts.Strings, cell.v, opts.revStrings));
					o.t = "s"; break;
				}
				else o.t = "str"; break;
		}
		if (cell.t != oldt) { cell.t = oldt; cell.v = oldv; }
		if (typeof cell.f == "string" && cell.f) {
			var ff = cell.F && cell.F.slice(0, ref.length) == ref ? { t: "array", ref: cell.F } : null;
			v = writextag('f', escapexml(cell.f), ff) + (cell.v != null ? v : "");
		}
		if (cell.l) {
			cell.l.display = escapexml(vv);
			ws['!links'].push([ref, cell.l]);
		}
		if (cell.D) o.cm = 1;
		return writextag('c', v, o);
	}

	var parse_ws_xml_data = (function () {
		var cellregex = /<(?:\w+:)?c[ \/>]/, rowregex = /<\/(?:\w+:)?row>/;
		var rregex = /r=["']([^"']*)["']/;
		var refregex = /ref=["']([^"']*)["']/;

		return function parse_ws_xml_data(sdata, s, opts, guess, themes, styles, wb) {
			var ri = 0, x = "", cells = [], cref = [], idx = 0, i = 0, cc = 0, d = "", p;
			var tag, tagr = 0, tagc = 0;
			var sstr, ftag;
			var fmtid = 0, fillid = 0;
			var do_format = Array.isArray(styles.CellXf), cf;
			var arrayf = [];
			var sharedf = [];
			var dense = s["!data"] != null;
			var rows = [], rowobj = {}, rowrite = false;
			var sheetStubs = !!opts.sheetStubs;
			var date1904 = !!((wb || {}).WBProps || {}).date1904;
			for (var marr = sdata.split(rowregex), mt = 0, marrlen = marr.length; mt != marrlen; ++mt) {
				x = marr[mt].trim();
				var xlen = x.length;
				if (xlen === 0) continue;

				/* 18.3.1.73 row CT_Row */
				var rstarti = 0;
				outa: for (ri = 0; ri < xlen; ++ri) switch (/*x.charCodeAt(ri)*/x[ri]) {
					case ">" /*62*/:
						if (/*x.charCodeAt(ri-1) != 47*/x[ri - 1] != "/") { ++ri; break outa; }
						if (opts && opts.cellStyles) {
							// TODO: avoid duplication
							tag = parsexmltag(x.slice(rstarti, ri), true);
							tagr = tag.r != null ? parseInt(tag.r, 10) : tagr + 1; tagc = -1;
							if (opts.sheetRows && opts.sheetRows < tagr) continue;
							rowobj = {}; rowrite = false;
							if (tag.ht) { rowrite = true; rowobj.hpt = parseFloat(tag.ht); rowobj.hpx = pt2px(rowobj.hpt); }
							if (tag.hidden && parsexmlbool(tag.hidden)) { rowrite = true; rowobj.hidden = true; }
							if (tag.outlineLevel != null) { rowrite = true; rowobj.level = +tag.outlineLevel; }
							if (rowrite) rows[tagr - 1] = rowobj;
						}
						break;
					case "<" /*60*/: rstarti = ri; break;
				}
				if (rstarti >= ri) break;
				tag = parsexmltag(x.slice(rstarti, ri), true);
				tagr = tag.r != null ? parseInt(tag.r, 10) : tagr + 1; tagc = -1;
				if (opts.sheetRows && opts.sheetRows < tagr) continue;
				if (!opts.nodim) {
					if (guess.s.r > tagr - 1) guess.s.r = tagr - 1;
					if (guess.e.r < tagr - 1) guess.e.r = tagr - 1;
				}

				if (opts && opts.cellStyles) {
					rowobj = {}; rowrite = false;
					if (tag.ht) { rowrite = true; rowobj.hpt = parseFloat(tag.ht); rowobj.hpx = pt2px(rowobj.hpt); }
					if (tag.hidden && parsexmlbool(tag.hidden)) { rowrite = true; rowobj.hidden = true; }
					if (tag.outlineLevel != null) { rowrite = true; rowobj.level = +tag.outlineLevel; }
					if (rowrite) rows[tagr - 1] = rowobj;
				}

				/* 18.3.1.4 c CT_Cell */
				cells = x.slice(ri).split(cellregex);
				for (var rslice = 0; rslice != cells.length; ++rslice) if (cells[rslice].trim().charAt(0) != "<") break;
				cells = cells.slice(rslice);
				for (ri = 0; ri != cells.length; ++ri) {
					x = cells[ri].trim();
					if (x.length === 0) continue;
					cref = x.match(rregex); idx = ri; i = 0; cc = 0;
					x = "<c " + (x.slice(0, 1) == "<" ? ">" : "") + x;
					if (cref != null && cref.length === 2) {
						idx = 0; d = cref[1];
						for (i = 0; i != d.length; ++i) {
							if ((cc = d.charCodeAt(i) - 64) < 1 || cc > 26) break;
							idx = 26 * idx + cc;
						}
						--idx;
						tagc = idx;
					} else ++tagc;
					for (i = 0; i != x.length; ++i) if (x.charCodeAt(i) === 62) break; ++i;
					tag = parsexmltag(x.slice(0, i), true);
					if (!tag.r) tag.r = encode_cell({ r: tagr - 1, c: tagc });
					d = x.slice(i);
					p = ({ t: "" });

					if ((cref = str_match_xml_ns(d, "v")) != null && cref[1] !== '') p.v = unescapexml(cref[1]);
					if (opts.cellFormula) {
						if ((cref = str_match_xml_ns(d, "f")) != null) {
							if (cref[1] == "") {
								if (cref[0].indexOf('t="shared"') > -1) {
									// TODO: parse formula
									ftag = parsexmltag(cref[0]);
									if (sharedf[ftag.si]) p.f = shift_formula_xlsx(sharedf[ftag.si][1], sharedf[ftag.si][2]/*[0].ref*/, tag.r);
								}
							} else {
								/* TODO: match against XLSXFutureFunctions */
								p.f = unescapexml(utf8read(cref[1]), true);
								if (!opts.xlfn) p.f = _xlfn(p.f);
								if (cref[0].indexOf('t="array"') > -1) {
									p.F = (d.match(refregex) || [])[1];
									if (p.F.indexOf(":") > -1) arrayf.push([safe_decode_range(p.F), p.F]);
								} else if (cref[0].indexOf('t="shared"') > -1) {
									// TODO: parse formula
									ftag = parsexmltag(cref[0]);
									var ___f = unescapexml(utf8read(cref[1]));
									if (!opts.xlfn) ___f = _xlfn(___f);
									sharedf[parseInt(ftag.si, 10)] = [ftag, ___f, tag.r];
								}
							}
						} else if ((cref = d.match(/<f[^<>]*\/>/))) {
							ftag = parsexmltag(cref[0]);
							if (sharedf[ftag.si]) p.f = shift_formula_xlsx(sharedf[ftag.si][1], sharedf[ftag.si][2]/*[0].ref*/, tag.r);
						}
						/* TODO: factor out contains logic */
						var _tag = decode_cell(tag.r);
						for (i = 0; i < arrayf.length; ++i)
							if (_tag.r >= arrayf[i][0].s.r && _tag.r <= arrayf[i][0].e.r)
								if (_tag.c >= arrayf[i][0].s.c && _tag.c <= arrayf[i][0].e.c)
									p.F = arrayf[i][1];
					}

					if (tag.t == null && p.v === undefined) {
						if (p.f || p.F) {
							p.v = 0; p.t = "n";
						} else if (!sheetStubs) continue;
						else p.t = "z";
					}
					else p.t = tag.t || "n";
					if (guess.s.c > tagc) guess.s.c = tagc;
					if (guess.e.c < tagc) guess.e.c = tagc;
					/* 18.18.11 t ST_CellType */
					switch (p.t) {
						case 'n':
							if (p.v == "" || p.v == null) {
								if (!sheetStubs) continue;
								p.t = 'z';
							} else p.v = parseFloat(p.v);
							break;
						case 's':
							if (typeof p.v == 'undefined') {
								if (!sheetStubs) continue;
								p.t = 'z';
							} else {
								sstr = strs[parseInt(p.v, 10)];
								p.v = sstr.t;
								p.r = sstr.r;
								if (opts.cellHTML) p.h = sstr.h;
							}
							break;
						case 'str':
							p.t = "s";
							p.v = (p.v != null) ? unescapexml(utf8read(p.v), true) : '';
							if (opts.cellHTML) p.h = escapehtml(p.v);
							break;
						case 'inlineStr':
							cref = str_match_xml_ns(d, "is");
							p.t = 's';
							if (cref != null && (sstr = parse_si(cref[1]))) {
								p.v = sstr.t;
								if (opts.cellHTML) p.h = sstr.h;
							} else p.v = "";
							break;
						case 'b': p.v = parsexmlbool(p.v); break;
						case 'd':
							if (opts.cellDates) p.v = parseDate(p.v, date1904);
							else { p.v = datenum(parseDate(p.v, date1904), date1904); p.t = 'n'; }
							break;
						/* error string in .w, number in .v */
						case 'e':
							if (!opts || opts.cellText !== false) p.w = p.v;
							p.v = RBErr[p.v]; break;
					}
					/* formatting */
					fmtid = fillid = 0;
					cf = null;
					if (do_format && tag.s !== undefined) {
						cf = styles.CellXf[tag.s];
						if (cf != null) {
							if (cf.numFmtId != null) fmtid = cf.numFmtId;
							if (opts.cellStyles) {
								if (cf.fillId != null) fillid = cf.fillId;
							}
						}
					}
					safe_format(p, fmtid, fillid, opts, themes, styles, date1904);
					if (opts.cellDates && do_format && p.t == 'n' && fmt_is_date(table_fmt[fmtid])) { p.v = numdate(p.v + (date1904 ? 1462 : 0)); p.t = typeof p.v == "number" ? 'n' : 'd'; }
					if (tag.cm && opts.xlmeta) {
						var cm = (opts.xlmeta.Cell || [])[+tag.cm - 1];
						if (cm && cm.type == 'XLDAPR') p.D = true;
					}
					var _r;
					if (opts.nodim) {
						_r = decode_cell(tag.r);
						if (guess.s.r > _r.r) guess.s.r = _r.r;
						if (guess.e.r < _r.r) guess.e.r = _r.r;
					}
					if (dense) {
						_r = decode_cell(tag.r);
						if (!s["!data"][_r.r]) s["!data"][_r.r] = [];
						s["!data"][_r.r][_r.c] = p;
					} else s[tag.r] = p;
				}
			}
			if (rows.length > 0) s['!rows'] = rows;
		};
	})();

	function write_ws_xml_data(ws, opts, idx, wb) {
		var o = [], r = [], range = safe_decode_range(ws['!ref']), cell = "", ref, rr = "", cols = [], R = 0, C = 0, rows = ws['!rows'];
		var dense = ws["!data"] != null, data = dense ? ws["!data"] : [];
		var params = ({ r: rr }), row, height = -1;
		var date1904 = (((wb || {}).Workbook || {}).WBProps || {}).date1904;
		for (C = range.s.c; C <= range.e.c; ++C) cols[C] = encode_col(C);
		for (R = range.s.r; R <= range.e.r; ++R) {
			r = [];
			rr = encode_row(R);
			var data_R = dense ? data[R] : [];
			for (C = range.s.c; C <= range.e.c; ++C) {
				ref = cols[C] + rr;
				var _cell = dense ? data_R[C] : ws[ref];
				if (_cell === undefined) continue;
				if ((cell = write_ws_xml_cell(_cell, ref, ws, opts, idx, wb, date1904)) != null) r.push(cell);
			}
			if (r.length > 0 || (rows && rows[R])) {
				params = ({ r: rr });
				if (rows && rows[R]) {
					row = rows[R];
					if (row.hidden) params.hidden = 1;
					height = -1;
					if (row.hpx) height = px2pt(row.hpx);
					else if (row.hpt) height = row.hpt;
					if (height > -1) { params.ht = height; params.customHeight = 1; }
					if (row.level) { params.outlineLevel = row.level; }
				}
				o[o.length] = (writextag('row', r.join(""), params));
			}
		}
		if (rows) for (; R < rows.length; ++R) {
			if (rows && rows[R]) {
				params = ({ r: R + 1 });
				row = rows[R];
				if (row.hidden) params.hidden = 1;
				height = -1;
				if (row.hpx) height = px2pt(row.hpx);
				else if (row.hpt) height = row.hpt;
				if (height > -1) { params.ht = height; params.customHeight = 1; }
				if (row.level) { params.outlineLevel = row.level; }
				o[o.length] = (writextag('row', "", params));
			}
		}
		return o.join("");
	}

	function write_ws_xml(idx, opts, wb, rels) {
		var o = [XML_HEADER, writextag('worksheet', null, {
			'xmlns': XMLNS_main[0],
			'xmlns:r': XMLNS.r
		})];
		var s = wb.SheetNames[idx], sidx = 0, rdata = "";
		var ws = wb.Sheets[s];
		if (ws == null) ws = {};
		var ref = ws['!ref'] || 'A1';
		var range = safe_decode_range(ref);
		if (range.e.c > 0x3FFF || range.e.r > 0xFFFFF) {
			if (opts.WTF) throw new Error("Range " + ref + " exceeds format limit A1:XFD1048576");
			range.e.c = Math.min(range.e.c, 0x3FFF);
			range.e.r = Math.min(range.e.c, 0xFFFFF);
			ref = encode_range(range);
		}
		if (!rels) rels = {};
		ws['!comments'] = [];
		var _drawing = [];

		write_ws_xml_sheetpr(ws, wb, idx, opts, o);

		o[o.length] = (writextag('dimension', null, { 'ref': ref }));

		o[o.length] = write_ws_xml_sheetviews(ws, opts, idx, wb);

		/* TODO: store in WB, process styles */
		if (opts.sheetFormat) o[o.length] = (writextag('sheetFormatPr', null, {
			defaultRowHeight: opts.sheetFormat.defaultRowHeight || '16',
			baseColWidth: opts.sheetFormat.baseColWidth || '10',
			outlineLevelRow: opts.sheetFormat.outlineLevelRow || '7'
		}));

		if (ws['!cols'] != null && ws['!cols'].length > 0) o[o.length] = (write_ws_xml_cols(ws, ws['!cols']));

		o[sidx = o.length] = '<sheetData/>';
		ws['!links'] = [];
		if (ws['!ref'] != null) {
			rdata = write_ws_xml_data(ws, opts, idx, wb, rels);
			if (rdata.length > 0) o[o.length] = (rdata);
		}
		if (o.length > sidx + 1) { o[o.length] = ('</sheetData>'); o[sidx] = o[sidx].replace("/>", ">"); }

		/* sheetCalcPr */

		if (ws['!protect']) o[o.length] = write_ws_xml_protection(ws['!protect']);

		/* protectedRanges */
		/* scenarios */

		if (ws['!autofilter'] != null) o[o.length] = write_ws_xml_autofilter(ws['!autofilter'], ws, wb, idx);

		/* sortState */
		/* dataConsolidate */
		/* customSheetViews */

		if (ws['!merges'] != null && ws['!merges'].length > 0) o[o.length] = (write_ws_xml_merges(ws['!merges']));

		/* phoneticPr */
		/* conditionalFormatting */
		/* dataValidations */

		var relc = -1, rel, rId = -1;
		if (ws['!links'].length > 0) {
			o[o.length] = "<hyperlinks>";
			ws['!links'].forEach(function (l) {
				if (!l[1].Target) return;
				rel = ({ "ref": l[0] });
				if (l[1].Target.charAt(0) != "#") {
					rId = add_rels(rels, -1, escapexml(l[1].Target).replace(/#[\s\S]*$/, ""), RELS.HLINK);
					rel["r:id"] = "rId" + rId;
				}
				if ((relc = l[1].Target.indexOf("#")) > -1) rel.location = escapexml(l[1].Target.slice(relc + 1));
				if (l[1].Tooltip) rel.tooltip = escapexml(l[1].Tooltip);
				rel.display = l[1].display;
				o[o.length] = writextag("hyperlink", null, rel);
			});
			o[o.length] = "</hyperlinks>";
		}
		delete ws['!links'];

		/* printOptions */

		if (ws['!margins'] != null) o[o.length] = write_ws_xml_margins(ws['!margins']);

		/* pageSetup */
		/* headerFooter */
		/* rowBreaks */
		/* colBreaks */
		/* customProperties */
		/* cellWatches */

		if (!opts || opts.ignoreEC || (opts.ignoreEC == (void 0))) o[o.length] = writetag("ignoredErrors", writextag("ignoredError", null, { numberStoredAsText: 1, sqref: ref }));

		/* smartTags */

		if (_drawing.length > 0) {
			rId = add_rels(rels, -1, "../drawings/drawing" + (idx + 1) + ".xml", RELS.DRAW);
			o[o.length] = writextag("drawing", null, { "r:id": "rId" + rId });
			ws['!drawing'] = _drawing;
		}

		if (ws['!comments'].length > 0) {
			rId = add_rels(rels, -1, "../drawings/vmlDrawing" + (idx + 1) + ".vml", RELS.VML);
			o[o.length] = writextag("legacyDrawing", null, { "r:id": "rId" + rId });
			ws['!legacy'] = rId;
		}

		/* legacyDrawingHF */
		/* picture */
		/* oleObjects */
		/* controls */
		/* webPublishItems */
		/* tableParts */
		/* extLst */

		if (o.length > 1) { o[o.length] = ('</worksheet>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}

	/* [MS-XLSB] 2.4.726 BrtRowHdr */
	function parse_BrtRowHdr(data, length) {
		var z = ({});
		var tgt = data.l + length;
		z.r = data.read_shift(4);
		data.l += 4; // TODO: ixfe
		var miyRw = data.read_shift(2);
		data.l += 1; // TODO: top/bot padding
		var flags = data.read_shift(1);
		data.l = tgt;
		if (flags & 0x07) z.level = flags & 0x07;
		if (flags & 0x10) z.hidden = true;
		if (flags & 0x20) z.hpt = miyRw / 20;
		return z;
	}
	function write_BrtRowHdr(R, range, ws) {
		var o = new_buf(17 + 8 * 16);
		var row = (ws['!rows'] || [])[R] || {};
		o.write_shift(4, R);

		o.write_shift(4, 0); /* TODO: ixfe */

		var miyRw = 0x0140;
		if (row.hpx) miyRw = px2pt(row.hpx) * 20;
		else if (row.hpt) miyRw = row.hpt * 20;
		o.write_shift(2, miyRw);

		o.write_shift(1, 0); /* top/bot padding */

		var flags = 0x0;
		if (row.level) flags |= row.level;
		if (row.hidden) flags |= 0x10;
		if (row.hpx || row.hpt) flags |= 0x20;
		o.write_shift(1, flags);

		o.write_shift(1, 0); /* phonetic guide */

		/* [MS-XLSB] 2.5.8 BrtColSpan explains the mechanism */
		var ncolspan = 0, lcs = o.l;
		o.l += 4;

		var caddr = { r: R, c: 0 };
		var dense = ws["!data"] != null;
		for (var i = 0; i < 16; ++i) {
			if ((range.s.c > ((i + 1) << 10)) || (range.e.c < (i << 10))) continue;
			var first = -1, last = -1;
			for (var j = (i << 10); j < ((i + 1) << 10); ++j) {
				caddr.c = j;
				var cell = dense ? (ws["!data"][caddr.r] || [])[caddr.c] : ws[encode_cell(caddr)];
				if (cell) { if (first < 0) first = j; last = j; }
			}
			if (first < 0) continue;
			++ncolspan;
			o.write_shift(4, first);
			o.write_shift(4, last);
		}

		var l = o.l;
		o.l = lcs;
		o.write_shift(4, ncolspan);
		o.l = l;

		return o.length > o.l ? o.slice(0, o.l) : o;
	}
	function write_row_header(ba, ws, range, R) {
		var o = write_BrtRowHdr(R, range, ws);
		if ((o.length > 17) || (ws['!rows'] || [])[R]) write_record(ba, 0x0000 /* BrtRowHdr */, o);
	}

	/* [MS-XLSB] 2.4.820 BrtWsDim */
	var parse_BrtWsDim = parse_UncheckedRfX;
	var write_BrtWsDim = write_UncheckedRfX;

	/* [MS-XLSB] 2.4.821 BrtWsFmtInfo */
	function parse_BrtWsFmtInfo() {
	}
	//function write_BrtWsFmtInfo(ws, o) { }

	/* [MS-XLSB] 2.4.823 BrtWsProp */
	function parse_BrtWsProp(data, length) {
		var z = {};
		var f = data[data.l]; ++data.l;
		z.above = !(f & 0x40);
		z.left = !(f & 0x80);
		/* TODO: pull flags */
		data.l += 18;
		z.name = parse_XLSBCodeName(data, length - 19);
		return z;
	}
	function write_BrtWsProp(str, outl, o) {
		if (o == null) o = new_buf(84 + 4 * str.length);
		var f = 0xC0;
		if (outl) {
			if (outl.above) f &= ~0x40;
			if (outl.left) f &= ~0x80;
		}
		o.write_shift(1, f);
		for (var i = 1; i < 3; ++i) o.write_shift(1, 0);
		write_BrtColor({ auto: 1 }, o);
		o.write_shift(-4, -1);
		o.write_shift(-4, -1);
		write_XLSBCodeName(str, o);
		return o.slice(0, o.l);
	}

	/* [MS-XLSB] 2.4.306 BrtCellBlank */
	function parse_BrtCellBlank(data) {
		var cell = parse_XLSBCell(data);
		return [cell];
	}
	function write_BrtCellBlank(cell, ncell, o) {
		if (o == null) o = new_buf(8);
		return write_XLSBCell(ncell, o);
	}
	function parse_BrtShortBlank(data) {
		var cell = parse_XLSBShortCell(data);
		return [cell];
	}
	function write_BrtShortBlank(cell, ncell, o) {
		if (o == null) o = new_buf(4);
		return write_XLSBShortCell(ncell, o);
	}

	/* [MS-XLSB] 2.4.307 BrtCellBool */
	function parse_BrtCellBool(data) {
		var cell = parse_XLSBCell(data);
		var fBool = data.read_shift(1);
		return [cell, fBool, 'b'];
	}
	function write_BrtCellBool(cell, ncell, o) {
		if (o == null) o = new_buf(9);
		write_XLSBCell(ncell, o);
		o.write_shift(1, cell.v ? 1 : 0);
		return o;
	}
	function parse_BrtShortBool(data) {
		var cell = parse_XLSBShortCell(data);
		var fBool = data.read_shift(1);
		return [cell, fBool, 'b'];
	}
	function write_BrtShortBool(cell, ncell, o) {
		if (o == null) o = new_buf(5);
		write_XLSBShortCell(ncell, o);
		o.write_shift(1, cell.v ? 1 : 0);
		return o;
	}

	/* [MS-XLSB] 2.4.308 BrtCellError */
	function parse_BrtCellError(data) {
		var cell = parse_XLSBCell(data);
		var bError = data.read_shift(1);
		return [cell, bError, 'e'];
	}
	function write_BrtCellError(cell, ncell, o) {
		if (o == null) o = new_buf(9);
		write_XLSBCell(ncell, o);
		o.write_shift(1, cell.v);
		return o;
	}
	function parse_BrtShortError(data) {
		var cell = parse_XLSBShortCell(data);
		var bError = data.read_shift(1);
		return [cell, bError, 'e'];
	}
	function write_BrtShortError(cell, ncell, o) {
		if (o == null) o = new_buf(8);
		write_XLSBShortCell(ncell, o);
		o.write_shift(1, cell.v);
		o.write_shift(2, 0);
		o.write_shift(1, 0);
		return o;
	}


	/* [MS-XLSB] 2.4.311 BrtCellIsst */
	function parse_BrtCellIsst(data) {
		var cell = parse_XLSBCell(data);
		var isst = data.read_shift(4);
		return [cell, isst, 's'];
	}
	function write_BrtCellIsst(cell, ncell, o) {
		if (o == null) o = new_buf(12);
		write_XLSBCell(ncell, o);
		o.write_shift(4, ncell.v);
		return o;
	}
	function parse_BrtShortIsst(data) {
		var cell = parse_XLSBShortCell(data);
		var isst = data.read_shift(4);
		return [cell, isst, 's'];
	}
	function write_BrtShortIsst(cell, ncell, o) {
		if (o == null) o = new_buf(8);
		write_XLSBShortCell(ncell, o);
		o.write_shift(4, ncell.v);
		return o;
	}

	/* [MS-XLSB] 2.4.313 BrtCellReal */
	function parse_BrtCellReal(data) {
		var cell = parse_XLSBCell(data);
		var value = parse_Xnum(data);
		return [cell, value, 'n'];
	}
	function write_BrtCellReal(cell, ncell, o) {
		if (o == null) o = new_buf(16);
		write_XLSBCell(ncell, o);
		write_Xnum(cell.v, o);
		return o;
	}
	function parse_BrtShortReal(data) {
		var cell = parse_XLSBShortCell(data);
		var value = parse_Xnum(data);
		return [cell, value, 'n'];
	}
	function write_BrtShortReal(cell, ncell, o) {
		if (o == null) o = new_buf(12);
		write_XLSBShortCell(ncell, o);
		write_Xnum(cell.v, o);
		return o;
	}

	/* [MS-XLSB] 2.4.314 BrtCellRk */
	function parse_BrtCellRk(data) {
		var cell = parse_XLSBCell(data);
		var value = parse_RkNumber(data);
		return [cell, value, 'n'];
	}
	function write_BrtCellRk(cell, ncell, o) {
		if (o == null) o = new_buf(12);
		write_XLSBCell(ncell, o);
		write_RkNumber(cell.v, o);
		return o;
	}
	function parse_BrtShortRk(data) {
		var cell = parse_XLSBShortCell(data);
		var value = parse_RkNumber(data);
		return [cell, value, 'n'];
	}
	function write_BrtShortRk(cell, ncell, o) {
		if (o == null) o = new_buf(8);
		write_XLSBShortCell(ncell, o);
		write_RkNumber(cell.v, o);
		return o;
	}

	/* [MS-XLSB] 2.4.323 BrtCellRString */
	function parse_BrtCellRString(data) {
		var cell = parse_XLSBCell(data);
		var value = parse_RichStr(data);
		return [cell, value, 'is'];
	}

	/* [MS-XLSB] 2.4.317 BrtCellSt */
	function parse_BrtCellSt(data) {
		var cell = parse_XLSBCell(data);
		var value = parse_XLWideString(data);
		return [cell, value, 'str'];
	}
	function write_BrtCellSt(cell, ncell, o) {
		var data = cell.v == null ? "" : String(cell.v);
		if (o == null) o = new_buf(12 + 4 * cell.v.length);
		write_XLSBCell(ncell, o);
		write_XLWideString(data, o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}
	function parse_BrtShortSt(data) {
		var cell = parse_XLSBShortCell(data);
		var value = parse_XLWideString(data);
		return [cell, value, 'str'];
	}
	function write_BrtShortSt(cell, ncell, o) {
		var data = cell.v == null ? "" : String(cell.v);
		if (o == null) o = new_buf(8 + 4 * data.length);
		write_XLSBShortCell(ncell, o);
		write_XLWideString(data, o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.653 BrtFmlaBool */
	function parse_BrtFmlaBool(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = data.read_shift(1);
		var o = [cell, value, 'b'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.654 BrtFmlaError */
	function parse_BrtFmlaError(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = data.read_shift(1);
		var o = [cell, value, 'e'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.655 BrtFmlaNum */
	function parse_BrtFmlaNum(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = parse_Xnum(data);
		var o = [cell, value, 'n'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.656 BrtFmlaString */
	function parse_BrtFmlaString(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = parse_XLWideString(data);
		var o = [cell, value, 'str'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.682 BrtMergeCell */
	var parse_BrtMergeCell = parse_UncheckedRfX;
	var write_BrtMergeCell = write_UncheckedRfX;
	/* [MS-XLSB] 2.4.107 BrtBeginMergeCells */
	function write_BrtBeginMergeCells(cnt, o) {
		if (o == null) o = new_buf(4);
		o.write_shift(4, cnt);
		return o;
	}

	/* [MS-XLSB] 2.4.662 BrtHLink */
	function parse_BrtHLink(data, length) {
		var end = data.l + length;
		var rfx = parse_UncheckedRfX(data, 16);
		var relId = parse_XLNullableWideString(data);
		var loc = parse_XLWideString(data);
		var tooltip = parse_XLWideString(data);
		var display = parse_XLWideString(data);
		data.l = end;
		var o = ({ rfx: rfx, relId: relId, loc: loc, display: display });
		if (tooltip) o.Tooltip = tooltip;
		return o;
	}
	function write_BrtHLink(l, rId) {
		var o = new_buf(50 + 4 * (l[1].Target.length + (l[1].Tooltip || "").length));
		write_UncheckedRfX({ s: decode_cell(l[0]), e: decode_cell(l[0]) }, o);
		write_RelID("rId" + rId, o);
		var locidx = l[1].Target.indexOf("#");
		var loc = locidx == -1 ? "" : l[1].Target.slice(locidx + 1);
		write_XLWideString(loc || "", o);
		write_XLWideString(l[1].Tooltip || "", o);
		write_XLWideString("", o);
		return o.slice(0, o.l);
	}

	/* [MS-XLSB] 2.4.692 BrtPane */
	function parse_BrtPane(/*data, length, opts*/) {
	}

	/* [MS-XLSB] 2.4.6 BrtArrFmla */
	function parse_BrtArrFmla(data, length, opts) {
		var end = data.l + length;
		var rfx = parse_RfX(data, 16);
		var fAlwaysCalc = data.read_shift(1);
		var o = [rfx]; o[2] = fAlwaysCalc;
		if (opts.cellFormula) {
			var formula = parse_XLSBArrayParsedFormula(data, end - data.l, opts);
			o[1] = formula;
		} else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.750 BrtShrFmla */
	function parse_BrtShrFmla(data, length, opts) {
		var end = data.l + length;
		var rfx = parse_UncheckedRfX(data, 16);
		var o = [rfx];
		if (opts.cellFormula) {
			var formula = parse_XLSBSharedParsedFormula(data, end - data.l, opts);
			o[1] = formula;
			data.l = end;
		} else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.323 BrtColInfo */
	/* TODO: once XLS ColInfo is set, combine the functions */
	function write_BrtColInfo(C, col, o) {
		if (o == null) o = new_buf(18);
		var p = col_obj_w(C, col);
		o.write_shift(-4, C);
		o.write_shift(-4, C);
		o.write_shift(4, (p.width || 10) * 256);
		o.write_shift(4, 0/*ixfe*/); // style
		var flags = 0;
		if (col.hidden) flags |= 0x01;
		if (typeof p.width == 'number') flags |= 0x02;
		if (col.level) flags |= (col.level << 8);
		o.write_shift(2, flags); // bit flag
		return o;
	}

	/* [MS-XLSB] 2.4.678 BrtMargins */
	var BrtMarginKeys = ["left", "right", "top", "bottom", "header", "footer"];
	function parse_BrtMargins(data) {
		var margins = ({});
		BrtMarginKeys.forEach(function (k) { margins[k] = parse_Xnum(data, 8); });
		return margins;
	}
	function write_BrtMargins(margins, o) {
		if (o == null) o = new_buf(6 * 8);
		default_margins(margins);
		BrtMarginKeys.forEach(function (k) { write_Xnum((margins)[k], o); });
		return o;
	}

	/* [MS-XLSB] 2.4.299 BrtBeginWsView */
	function parse_BrtBeginWsView(data) {
		var f = data.read_shift(2);
		data.l += 28;
		return { RTL: f & 0x20 };
	}
	function write_BrtBeginWsView(ws, Workbook, o) {
		if (o == null) o = new_buf(30);
		var f = 0x39c;
		if ((((Workbook || {}).Views || [])[0] || {}).RTL) f |= 0x20;
		o.write_shift(2, f); // bit flag
		o.write_shift(4, 0);
		o.write_shift(4, 0); // view first row
		o.write_shift(4, 0); // view first col
		o.write_shift(1, 0); // gridline color ICV
		o.write_shift(1, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 100); // zoom scale
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(4, 0); // workbook view id
		return o;
	}

	/* [MS-XLSB] 2.4.309 BrtCellIgnoreEC */
	function write_BrtCellIgnoreEC(ref) {
		var o = new_buf(24);
		o.write_shift(4, 4);
		o.write_shift(4, 1);
		write_UncheckedRfX(ref, o);
		return o;
	}

	/* [MS-XLSB] 2.4.748 BrtSheetProtection */
	function write_BrtSheetProtection(sp, o) {
		if (o == null) o = new_buf(16 * 4 + 2);
		o.write_shift(2, sp.password ? crypto_CreatePasswordVerifier_Method1(sp.password) : 0);
		o.write_shift(4, 1); // this record should not be written if no protection
		[
			["objects", false], // fObjects
			["scenarios", false], // fScenarios
			["formatCells", true], // fFormatCells
			["formatColumns", true], // fFormatColumns
			["formatRows", true], // fFormatRows
			["insertColumns", true], // fInsertColumns
			["insertRows", true], // fInsertRows
			["insertHyperlinks", true], // fInsertHyperlinks
			["deleteColumns", true], // fDeleteColumns
			["deleteRows", true], // fDeleteRows
			["selectLockedCells", false], // fSelLockedCells
			["sort", true], // fSort
			["autoFilter", true], // fAutoFilter
			["pivotTables", true], // fPivotTables
			["selectUnlockedCells", false]  // fSelUnlockedCells
		].forEach(function (n) {
			if (n[1]) o.write_shift(4, sp[n[0]] != null && !sp[n[0]] ? 1 : 0);
			else o.write_shift(4, sp[n[0]] != null && sp[n[0]] ? 0 : 1);
		});
		return o;
	}

	function parse_BrtDVal(/*data, length, opts*/) {
	}
	function parse_BrtDVal14(/*data, length, opts*/) {
	}
	/* [MS-XLSB] 2.1.7.61 Worksheet */
	function parse_ws_bin(data, _opts, idx, rels, wb, themes, styles) {
		if (!data) return data;
		var opts = _opts || {};
		if (!rels) rels = { '!id': {} };
		if (DENSE != null && opts.dense == null) opts.dense = DENSE;
		var s = ({}); if (opts.dense) s["!data"] = [];

		var ref;
		var refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };

		var state = [];
		var pass = false, end = false;
		var row, p, cf, R, C, addr, sstr, rr, cell;
		var merges = [];
		opts.biff = 12;
		opts['!row'] = 0;

		var ai = 0, af = false;

		var arrayf = [];
		var sharedf = {};
		var supbooks = opts.supbooks || wb.supbooks || ([[]]);
		supbooks.sharedf = sharedf;
		supbooks.arrayf = arrayf;
		supbooks.SheetNames = wb.SheetNames || wb.Sheets.map(function (x) { return x.name; });
		if (!opts.supbooks) {
			opts.supbooks = supbooks;
			if (wb.Names) for (var i = 0; i < wb.Names.length; ++i) supbooks[0][i + 1] = wb.Names[i];
		}

		var colinfo = [], rowinfo = [];
		var seencol = false;

		XLSBRecordEnum[0x0010] = { n: "BrtShortReal", f: parse_BrtShortReal };

		var cm, vm;
		var date1904 = 1462 * +!!((wb || {}).WBProps || {}).date1904;

		recordhopper(data, function ws_parse(val, RR, RT) {
			if (end) return;
			switch (RT) {
				case 0x0094: /* 'BrtWsDim' */
					ref = val; break;
				case 0x0000: /* 'BrtRowHdr' */
					row = val;
					if (opts.sheetRows && opts.sheetRows <= row.r) end = true;
					rr = encode_row(R = row.r);
					opts['!row'] = row.r;
					if (val.hidden || val.hpt || val.level != null) {
						if (val.hpt) val.hpx = pt2px(val.hpt);
						rowinfo[val.r] = val;
					}
					break;

				case 0x0002: /* 'BrtCellRk' */
				case 0x0003: /* 'BrtCellError' */
				case 0x0004: /* 'BrtCellBool' */
				case 0x0005: /* 'BrtCellReal' */
				case 0x0006: /* 'BrtCellSt' */
				case 0x0007: /* 'BrtCellIsst' */
				case 0x0008: /* 'BrtFmlaString' */
				case 0x0009: /* 'BrtFmlaNum' */
				case 0x000A: /* 'BrtFmlaBool' */
				case 0x000B: /* 'BrtFmlaError' */
				case 0x000D: /* 'BrtShortRk' */
				case 0x000E: /* 'BrtShortError' */
				case 0x000F: /* 'BrtShortBool' */
				case 0x0010: /* 'BrtShortReal' */
				case 0x0011: /* 'BrtShortSt' */
				case 0x0012: /* 'BrtShortIsst' */
				case 0x003E: /* 'BrtCellRString' */
					p = ({ t: val[2] });
					switch (val[2]) {
						case 'n': p.v = val[1]; break;
						case 's': sstr = strs[val[1]]; p.v = sstr.t; p.r = sstr.r; break;
						case 'b': p.v = val[1] ? true : false; break;
						case 'e': p.v = val[1]; if (opts.cellText !== false) p.w = BErr[p.v]; break;
						case 'str': p.t = 's'; p.v = val[1]; break;
						case 'is': p.t = 's'; p.v = val[1].t; break;
					}
					if ((cf = styles.CellXf[val[0].iStyleRef])) safe_format(p, cf.numFmtId, null, opts, themes, styles, date1904 > 0);
					C = val[0].c == -1 ? C + 1 : val[0].c;
					if (opts.dense) { if (!s["!data"][R]) s["!data"][R] = []; s["!data"][R][C] = p; }
					else s[encode_col(C) + rr] = p;
					if (opts.cellFormula) {
						af = false;
						for (ai = 0; ai < arrayf.length; ++ai) {
							var aii = arrayf[ai];
							if (row.r >= aii[0].s.r && row.r <= aii[0].e.r)
								if (C >= aii[0].s.c && C <= aii[0].e.c) {
									p.F = encode_range(aii[0]); af = true;
								}
						}
						if (!af && val.length > 3) p.f = val[3];
					}

					if (refguess.s.r > row.r) refguess.s.r = row.r;
					if (refguess.s.c > C) refguess.s.c = C;
					if (refguess.e.r < row.r) refguess.e.r = row.r;
					if (refguess.e.c < C) refguess.e.c = C;
					if (opts.cellDates && cf && p.t == 'n' && fmt_is_date(table_fmt[cf.numFmtId])) {
						var _d = SSF_parse_date_code(p.v + date1904); if (_d) { p.t = 'd'; p.v = new Date(Date.UTC(_d.y, _d.m - 1, _d.d, _d.H, _d.M, _d.S, _d.u)); }
					}
					if (cm) {
						if (cm.type == 'XLDAPR') p.D = true;
						cm = void 0;
					}
					if (vm) vm = void 0;
					break;

				case 0x0001: /* 'BrtCellBlank' */
				case 0x000C: /* 'BrtShortBlank' */
					if (!opts.sheetStubs || pass) break;
					p = ({ t: 'z', v: void 0 });
					C = val[0].c == -1 ? C + 1 : val[0].c;
					if (opts.dense) { if (!s["!data"][R]) s["!data"][R] = []; s["!data"][R][C] = p; }
					else s[encode_col(C) + rr] = p;
					if (refguess.s.r > row.r) refguess.s.r = row.r;
					if (refguess.s.c > C) refguess.s.c = C;
					if (refguess.e.r < row.r) refguess.e.r = row.r;
					if (refguess.e.c < C) refguess.e.c = C;
					if (cm) {
						if (cm.type == 'XLDAPR') p.D = true;
						cm = void 0;
					}
					if (vm) vm = void 0;
					break;

				case 0x00B0: /* 'BrtMergeCell' */
					merges.push(val); break;

				case 0x0031: { /* 'BrtCellMeta' */
					cm = ((opts.xlmeta || {}).Cell || [])[val - 1];
				} break;

				case 0x01EE: /* 'BrtHLink' */
					var rel = rels['!id'][val.relId];
					if (rel) {
						val.Target = rel.Target;
						if (val.loc) val.Target += "#" + val.loc;
						val.Rel = rel;
					} else if (val.relId == '') {
						val.Target = "#" + val.loc;
					}
					for (R = val.rfx.s.r; R <= val.rfx.e.r; ++R) for (C = val.rfx.s.c; C <= val.rfx.e.c; ++C) {
						if (opts.dense) {
							if (!s["!data"][R]) s["!data"][R] = [];
							if (!s["!data"][R][C]) s["!data"][R][C] = { t: 'z', v: undefined };
							s["!data"][R][C].l = val;
						} else {
							addr = encode_col(C) + encode_row(R);
							if (!s[addr]) s[addr] = { t: 'z', v: undefined };
							s[addr].l = val;
						}
					}
					break;

				case 0x01AA: /* 'BrtArrFmla' */
					if (!opts.cellFormula) break;
					arrayf.push(val);
					cell = ((opts.dense ? s["!data"][R][C] : s[encode_col(C) + rr]));
					cell.f = stringify_formula(val[1], refguess, { r: row.r, c: C }, supbooks, opts);
					cell.F = encode_range(val[0]);
					break;
				case 0x01AB: /* 'BrtShrFmla' */
					if (!opts.cellFormula) break;
					sharedf[encode_cell(val[0].s)] = val[1];
					cell = (opts.dense ? s["!data"][R][C] : s[encode_col(C) + rr]);
					cell.f = stringify_formula(val[1], refguess, { r: row.r, c: C }, supbooks, opts);
					break;

				/* identical to 'ColInfo' in XLS */
				case 0x003C: /* 'BrtColInfo' */
					if (!opts.cellStyles) break;
					while (val.e >= val.s) {
						colinfo[val.e--] = { width: val.w / 256, hidden: !!(val.flags & 0x01), level: val.level };
						if (!seencol) { seencol = true; find_mdw_colw(val.w / 256); }
						process_col(colinfo[val.e + 1]);
					}
					break;

				case 0x0227: /* 'BrtLegacyDrawing' */
					if (val) s["!legrel"] = val;
					break;

				case 0x00A1: /* 'BrtBeginAFilter' */
					s['!autofilter'] = { ref: encode_range(val) };
					break;

				case 0x01DC: /* 'BrtMargins' */
					s['!margins'] = val;
					break;

				case 0x0093: /* 'BrtWsProp' */
					if (!wb.Sheets[idx]) wb.Sheets[idx] = {};
					if (val.name) wb.Sheets[idx].CodeName = val.name;
					if (val.above || val.left) s['!outline'] = { above: val.above, left: val.left };
					break;

				case 0x0089: /* 'BrtBeginWsView' */
					if (!wb.Views) wb.Views = [{}];
					if (!wb.Views[0]) wb.Views[0] = {};
					if (val.RTL) wb.Views[0].RTL = true;
					break;

				case 0x01E5: /* 'BrtWsFmtInfo' */
					break;

				case 0x0040: /* 'BrtDVal' */
				case 0x041D: /* 'BrtDVal14' */
					break;

				case 0x0097: /* 'BrtPane' */
					break;
				case 0x0098: /* 'BrtSel' */
				case 0x00AF: /* 'BrtAFilterDateGroupItem' */
				case 0x0284: /* 'BrtActiveX' */
				case 0x0271: /* 'BrtBigName' */
				case 0x0232: /* 'BrtBkHim' */
				case 0x018C: /* 'BrtBrk' */
				case 0x0458: /* 'BrtCFIcon' */
				case 0x047A: /* 'BrtCFRuleExt' */
				case 0x01D7: /* 'BrtCFVO' */
				case 0x041A: /* 'BrtCFVO14' */
				case 0x0289: /* 'BrtCellIgnoreEC' */
				case 0x0451: /* 'BrtCellIgnoreEC14' */
				case 0x024D: /* 'BrtCellSmartTagProperty' */
				case 0x025F: /* 'BrtCellWatch' */
				case 0x0234: /* 'BrtColor' */
				case 0x041F: /* 'BrtColor14' */
				case 0x00A8: /* 'BrtColorFilter' */
				case 0x00AE: /* 'BrtCustomFilter' */
				case 0x049C: /* 'BrtCustomFilter14' */
				case 0x01F3: /* 'BrtDRef' */
				case 0x01FB: /* 'BrtDXF' */
				case 0x0226: /* 'BrtDrawing' */
				case 0x00AB: /* 'BrtDynamicFilter' */
				case 0x00A7: /* 'BrtFilter' */
				case 0x0499: /* 'BrtFilter14' */
				case 0x00A9: /* 'BrtIconFilter' */
				case 0x049D: /* 'BrtIconFilter14' */
				case 0x0228: /* 'BrtLegacyDrawingHF' */
				case 0x0295: /* 'BrtListPart' */
				case 0x027F: /* 'BrtOleObject' */
				case 0x01DE: /* 'BrtPageSetup' */
				case 0x0219: /* 'BrtPhoneticInfo' */
				case 0x01DD: /* 'BrtPrintOptions' */
				case 0x0218: /* 'BrtRangeProtection' */
				case 0x044F: /* 'BrtRangeProtection14' */
				case 0x02A8: /* 'BrtRangeProtectionIso' */
				case 0x0450: /* 'BrtRangeProtectionIso14' */
				case 0x0400: /* 'BrtRwDescent' */
				case 0x0297: /* 'BrtSheetCalcProp' */
				case 0x0217: /* 'BrtSheetProtection' */
				case 0x02A6: /* 'BrtSheetProtectionIso' */
				case 0x01F8: /* 'BrtSlc' */
				case 0x0413: /* 'BrtSparkline' */
				case 0x01AC: /* 'BrtTable' */
				case 0x00AA: /* 'BrtTop10Filter' */
				case 0x0C00: /* 'BrtUid' */
				case 0x0032: /* 'BrtValueMeta' */
				case 0x0816: /* 'BrtWebExtension' */
				case 0x0415: /* 'BrtWsFmtInfoEx14' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;
				case 0x0025: /* 'BrtACBegin' */
					state.push(RT); pass = true; break;
				case 0x0026: /* 'BrtACEnd' */
					state.pop(); pass = false; break;

				default:
					if (RR.T) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		}, opts);

		delete opts.supbooks;
		delete opts['!row'];

		if (!s["!ref"] && (refguess.s.r < 2000000 || ref && (ref.e.r > 0 || ref.e.c > 0 || ref.s.r > 0 || ref.s.c > 0))) s["!ref"] = encode_range(ref || refguess);
		if (opts.sheetRows && s["!ref"]) {
			var tmpref = safe_decode_range(s["!ref"]);
			if (opts.sheetRows <= +tmpref.e.r) {
				tmpref.e.r = opts.sheetRows - 1;
				if (tmpref.e.r > refguess.e.r) tmpref.e.r = refguess.e.r;
				if (tmpref.e.r < tmpref.s.r) tmpref.s.r = tmpref.e.r;
				if (tmpref.e.c > refguess.e.c) tmpref.e.c = refguess.e.c;
				if (tmpref.e.c < tmpref.s.c) tmpref.s.c = tmpref.e.c;
				s["!fullref"] = s["!ref"];
				s["!ref"] = encode_range(tmpref);
			}
		}
		if (merges.length > 0) s["!merges"] = merges;
		if (colinfo.length > 0) s["!cols"] = colinfo;
		if (rowinfo.length > 0) s["!rows"] = rowinfo;
		if (rels['!id'][s['!legrel']]) s['!legdrawel'] = rels['!id'][s['!legrel']];
		return s;
	}

	/* TODO: something useful -- this is a stub */
	function write_ws_bin_cell(ba, cell, R, C, opts, ws, last_seen, date1904) {
		var o = ({ r: R, c: C });
		if (cell.c) ws['!comments'].push([encode_cell(o), cell.c]);
		if (cell.v === undefined) return false;
		var vv = "";
		switch (cell.t) {
			case 'b': vv = cell.v ? "1" : "0"; break;
			case 'd': // no BrtCellDate :(
				cell = dup(cell);
				cell.z = cell.z || table_fmt[14];
				cell.v = datenum(parseDate(cell.v, date1904), date1904); cell.t = 'n';
				break;
			/* falls through */
			case 'n': case 'e': vv = '' + cell.v; break;
			default: vv = cell.v; break;
		}
		/* TODO: cell style */
		o.s = get_cell_style(opts.cellXfs, cell, opts);
		if (cell.l) ws['!links'].push([encode_cell(o), cell.l]);
		switch (cell.t) {
			case 's': case 'str':
				if (opts.bookSST) {
					vv = get_sst_id(opts.Strings, (cell.v == null ? "" : String(cell.v)), opts.revStrings);
					o.t = "s"; o.v = vv;
					if (last_seen) write_record(ba, 0x0012 /* BrtShortIsst */, write_BrtShortIsst(cell, o));
					else write_record(ba, 0x0007 /* BrtCellIsst */, write_BrtCellIsst(cell, o));
				} else {
					o.t = "str";
					if (last_seen) write_record(ba, 0x0011 /* BrtShortSt */, write_BrtShortSt(cell, o));
					else write_record(ba, 0x0006 /* BrtCellSt */, write_BrtCellSt(cell, o));
				}
				return true;
			case 'n':
				/* TODO: determine threshold for Real vs RK */
				if (cell.v == (cell.v | 0) && cell.v > -1000 && cell.v < 1000) {
					if (last_seen) write_record(ba, 0x000D /* BrtShortRk */, write_BrtShortRk(cell, o));
					else write_record(ba, 0x0002 /* BrtCellRk */, write_BrtCellRk(cell, o));
				} else if (!isFinite(cell.v)) {
					o.t = "e";
					if (isNaN(cell.v)) {
						if (last_seen) write_record(ba, 0x000E /* BrtShortError */, write_BrtShortError({ t: "e", v: 0x24 }, o)); // #NUM!
						else write_record(ba, 0x0003 /* BrtCellError */, write_BrtCellError({ t: "e", v: 0x24 }, o)); // #NUM!
					} else {
						if (last_seen) write_record(ba, 0x000E /* BrtShortError */, write_BrtShortError({ t: "e", v: 0x07 }, o)); // #DIV/0!
						else write_record(ba, 0x0003 /* BrtCellError */, write_BrtCellError({ t: "e", v: 0x07 }, o)); // #DIV/0!
					}
				} else {
					if (last_seen) write_record(ba, 0x0010 /* BrtShortReal */, write_BrtShortReal(cell, o));
					else write_record(ba, 0x0005 /* BrtCellReal */, write_BrtCellReal(cell, o));
				} return true;
			case 'b':
				o.t = "b";
				if (last_seen) write_record(ba, 0x000F /* BrtShortBool */, write_BrtShortBool(cell, o));
				else write_record(ba, 0x0004 /* BrtCellBool */, write_BrtCellBool(cell, o));
				return true;
			case 'e':
				o.t = "e";
				if (last_seen) write_record(ba, 0x000E /* BrtShortError */, write_BrtShortError(cell, o));
				else write_record(ba, 0x0003 /* BrtCellError */, write_BrtCellError(cell, o));
				return true;
		}
		if (last_seen) write_record(ba, 0x000C /* BrtShortBlank */, write_BrtShortBlank(cell, o));
		else write_record(ba, 0x0001 /* BrtCellBlank */, write_BrtCellBlank(cell, o));
		return true;
	}

	function write_CELLTABLE(ba, ws, idx, opts, wb) {
		var range = safe_decode_range(ws['!ref'] || "A1"), rr = "", cols = [];
		var date1904 = (((wb || {}).Workbook || {}).WBProps || {}).date1904;
		write_record(ba, 0x0091 /* BrtBeginSheetData */);
		var dense = ws["!data"] != null, row = dense ? ws["!data"][range.s.r] : [];
		var cap = range.e.r;
		if (ws['!rows']) cap = Math.max(range.e.r, ws['!rows'].length - 1);
		for (var R = range.s.r; R <= cap; ++R) {
			rr = encode_row(R);
			if (dense) row = ws["!data"][R];
			/* [ACCELLTABLE] */
			/* BrtRowHdr */
			write_row_header(ba, ws, range, R);
			if (dense && !row) continue;
			var last_seen = false;
			if (R <= range.e.r) for (var C = range.s.c; C <= range.e.c; ++C) {
				/* *16384CELL */
				if (R === range.s.r) cols[C] = encode_col(C);
				var cell = dense ? row[C] : ws[cols[C] + rr];
				if (!cell) { last_seen = false; continue; }
				/* write cell */
				last_seen = write_ws_bin_cell(ba, cell, R, C, opts, ws, last_seen, date1904);
			}
		}
		write_record(ba, 0x0092 /* BrtEndSheetData */);
	}

	function write_MERGECELLS(ba, ws) {
		if (!ws || !ws['!merges']) return;
		write_record(ba, 0x00B1 /* BrtBeginMergeCells */, write_BrtBeginMergeCells(ws['!merges'].length));
		ws['!merges'].forEach(function (m) { write_record(ba, 0x00B0 /* BrtMergeCell */, write_BrtMergeCell(m)); });
		write_record(ba, 0x00B2 /* BrtEndMergeCells */);
	}

	function write_COLINFOS(ba, ws) {
		if (!ws || !ws['!cols']) return;
		write_record(ba, 0x0186 /* BrtBeginColInfos */);
		ws['!cols'].forEach(function (m, i) { if (m) write_record(ba, 0x003C /* 'BrtColInfo' */, write_BrtColInfo(i, m)); });
		write_record(ba, 0x0187 /* BrtEndColInfos */);
	}

	function write_IGNOREECS(ba, ws) {
		if (!ws || !ws['!ref']) return;
		write_record(ba, 0x0288 /* BrtBeginCellIgnoreECs */);
		write_record(ba, 0x0289 /* BrtCellIgnoreEC */, write_BrtCellIgnoreEC(safe_decode_range(ws['!ref'])));
		write_record(ba, 0x028A /* BrtEndCellIgnoreECs */);
	}

	function write_HLINKS(ba, ws, rels) {
		/* *BrtHLink */
		ws['!links'].forEach(function (l) {
			if (!l[1].Target) return;
			var rId = add_rels(rels, -1, l[1].Target.replace(/#[\s\S]*$/, ""), RELS.HLINK);
			write_record(ba, 0x01EE /* BrtHLink */, write_BrtHLink(l, rId));
		});
		delete ws['!links'];
	}
	function write_LEGACYDRAWING(ba, ws, idx, rels) {
		/* [BrtLegacyDrawing] */
		if (ws['!comments'].length > 0) {
			var rId = add_rels(rels, -1, "../drawings/vmlDrawing" + (idx + 1) + ".vml", RELS.VML);
			write_record(ba, 0x0227 /* BrtLegacyDrawing */, write_RelID("rId" + rId));
			ws['!legacy'] = rId;
		}
	}

	function write_AUTOFILTER(ba, ws, wb, idx) {
		if (!ws['!autofilter']) return;
		var data = ws['!autofilter'];
		var ref = typeof data.ref === "string" ? data.ref : encode_range(data.ref);

		/* Update FilterDatabase defined name for the worksheet */
		if (!wb.Workbook) wb.Workbook = ({ Sheets: [] });
		if (!wb.Workbook.Names) wb.Workbook.Names = [];
		var names = wb.Workbook.Names;
		var range = decode_range(ref);
		if (range.s.r == range.e.r) { range.e.r = decode_range(ws["!ref"]).e.r; ref = encode_range(range); }
		for (var i = 0; i < names.length; ++i) {
			var name = names[i];
			if (name.Name != '_xlnm._FilterDatabase') continue;
			if (name.Sheet != idx) continue;
			name.Ref = formula_quote_sheet_name(wb.SheetNames[idx]) + "!" + fix_range(ref); break;
		}
		if (i == names.length) names.push({ Name: '_xlnm._FilterDatabase', Sheet: idx, Ref: formula_quote_sheet_name(wb.SheetNames[idx]) + "!" + fix_range(ref) });

		write_record(ba, 0x00A1 /* BrtBeginAFilter */, write_UncheckedRfX(safe_decode_range(ref)));
		/* *FILTERCOLUMN */
		/* [SORTSTATE] */
		/* BrtEndAFilter */
		write_record(ba, 0x00A2 /* BrtEndAFilter */);
	}

	function write_WSVIEWS2(ba, ws, Workbook) {
		write_record(ba, 0x0085 /* BrtBeginWsViews */);
		{ /* 1*WSVIEW2 */
			/* [ACUID] */
			write_record(ba, 0x0089 /* BrtBeginWsView */, write_BrtBeginWsView(ws, Workbook));
			/* [BrtPane] */
			/* *4BrtSel */
			/* *4SXSELECT */
			/* *FRT */
			write_record(ba, 0x008A /* BrtEndWsView */);
		}
		/* *FRT */
		write_record(ba, 0x0086 /* BrtEndWsViews */);
	}

	function write_WSFMTINFO() {
		/* [ACWSFMTINFO] */
		// write_record(ba, 0x01E5 /* BrtWsFmtInfo */, write_BrtWsFmtInfo(ws));
	}

	function write_SHEETPROTECT(ba, ws) {
		if (!ws['!protect']) return;
		/* [BrtSheetProtectionIso] */
		write_record(ba, 0x0217 /* BrtSheetProtection */, write_BrtSheetProtection(ws['!protect']));
	}

	function write_ws_bin(idx, opts, wb, rels) {
		var ba = buf_array();
		var s = wb.SheetNames[idx], ws = wb.Sheets[s] || {};
		var c = s; try { if (wb && wb.Workbook) c = wb.Workbook.Sheets[idx].CodeName || c; } catch (e) { }
		var r = safe_decode_range(ws['!ref'] || "A1");
		if (r.e.c > 0x3FFF || r.e.r > 0xFFFFF) {
			if (opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:XFD1048576");
			r.e.c = Math.min(r.e.c, 0x3FFF);
			r.e.r = Math.min(r.e.c, 0xFFFFF);
		}
		ws['!links'] = [];
		/* passed back to write_zip and removed there */
		ws['!comments'] = [];
		write_record(ba, 0x0081 /* BrtBeginSheet */);
		if (wb.vbaraw || ws['!outline']) write_record(ba, 0x0093 /* BrtWsProp */, write_BrtWsProp(c, ws['!outline']));
		write_record(ba, 0x0094 /* BrtWsDim */, write_BrtWsDim(r));
		write_WSVIEWS2(ba, ws, wb.Workbook);
		write_WSFMTINFO(ba, ws);
		write_COLINFOS(ba, ws, idx, opts, wb);
		write_CELLTABLE(ba, ws, idx, opts, wb);
		/* [BrtSheetCalcProp] */
		write_SHEETPROTECT(ba, ws);
		/* *([BrtRangeProtectionIso] BrtRangeProtection) */
		/* [SCENMAN] */
		write_AUTOFILTER(ba, ws, wb, idx);
		/* [SORTSTATE] */
		/* [DCON] */
		/* [USERSHVIEWS] */
		write_MERGECELLS(ba, ws);
		/* [BrtPhoneticInfo] */
		/* *CONDITIONALFORMATTING */
		/* [DVALS] */
		write_HLINKS(ba, ws, rels);
		/* [BrtPrintOptions] */
		if (ws['!margins']) write_record(ba, 0x01DC /* BrtMargins */, write_BrtMargins(ws['!margins']));
		/* [BrtPageSetup] */
		/* [HEADERFOOTER] */
		/* [RWBRK] */
		/* [COLBRK] */
		/* *BrtBigName */
		/* [CELLWATCHES] */
		if (!opts || opts.ignoreEC || (opts.ignoreEC == (void 0))) write_IGNOREECS(ba, ws);
		/* [SMARTTAGS] */
		/* [BrtDrawing] */
		write_LEGACYDRAWING(ba, ws, idx, rels);
		/* [BrtLegacyDrawingHF] */
		/* [BrtBkHim] */
		/* [OLEOBJECTS] */
		/* [ACTIVEXCONTROLS] */
		/* [WEBPUBITEMS] */
		/* [LISTPARTS] */
		/* FRTWORKSHEET */
		write_record(ba, 0x0082 /* BrtEndSheet */);
		return ba.end();
	}
	function parse_Cache(data) {
		var col = [];
		var num = data.match(/^<c:numCache>/);
		var f;

		/* 21.2.2.150 pt CT_NumVal */
		(data.match(/<c:pt idx="(\d*)"[^<>\/]*><c:v>([^<])<\/c:v><\/c:pt>/mg) || []).forEach(function (pt) {
			var q = pt.match(/<c:pt idx="(\d*)"[^<>\/]*><c:v>([^<]*)<\/c:v><\/c:pt>/);
			if (!q) return;
			col[+q[1]] = num ? +q[2] : q[2];
		});

		/* 21.2.2.71 formatCode CT_Xstring */
		var nf = unescapexml((str_match_xml(data, "c:formatCode") || ["", "General"])[1]);

		(str_match_ng(data, "<c:f>", "</c:f>") || []).forEach(function (F) { f = F.replace(/<[^<>]*>/g, ""); });

		return [col, nf, f];
	}

	/* 21.2 DrawingML - Charts */
	function parse_chart(data, name, opts, rels, wb, csheet) {
		var cs = ((csheet || { "!type": "chart" }));
		if (!data) return csheet;
		/* 21.2.2.27 chart CT_Chart */

		var C = 0, R = 0, col = "A";
		var refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };

		/* 21.2.2.120 numCache CT_NumData */
		(str_match_ng(data, "<c:numCache>", "</c:numCache>") || []).forEach(function (nc) {
			var cache = parse_Cache(nc);
			refguess.s.r = refguess.s.c = 0;
			refguess.e.c = C;
			col = encode_col(C);
			cache[0].forEach(function (n, i) {
				if (cs["!data"]) {
					if (!cs["!data"][i]) cs["!data"][i] = [];
					cs["!data"][i][C] = { t: 'n', v: n, z: cache[1] };
				} else cs[col + encode_row(i)] = { t: 'n', v: n, z: cache[1] };
				R = i;
			});
			if (refguess.e.r < R) refguess.e.r = R;
			++C;
		});
		if (C > 0) cs["!ref"] = encode_range(refguess);
		return cs;
	}
	/* 18.3 Worksheets also covers Chartsheets */
	function parse_cs_xml(data, opts, idx, rels, wb) {
		if (!data) return data;
		/* 18.3.1.12 chartsheet CT_ChartSheet */
		if (!rels) rels = { '!id': {} };
		var s = ({ '!type': "chart", '!drawel': null, '!rel': "" });
		var m;

		/* 18.3.1.83 sheetPr CT_ChartsheetPr */
		var sheetPr = data.match(sheetprregex);
		if (sheetPr) parse_ws_xml_sheetpr(sheetPr[0], s, wb, idx);

		/* 18.3.1.36 drawing CT_Drawing */
		if ((m = data.match(/drawing r:id="(.*?)"/))) s['!rel'] = m[1];

		if (rels['!id'][s['!rel']]) s['!drawel'] = rels['!id'][s['!rel']];
		return s;
	}
	//function write_cs_xml(idx, opts, wb, rels) {
	//	var o = [XML_HEADER, writextag('chartsheet', null, {
	//		'xmlns': XMLNS_main[0],
	//		'xmlns:r': XMLNS.r
	//	})];
	//	o[o.length] = writextag("drawing", null, {"r:id": "rId1"});
	//	add_rels(rels, -1, "../drawings/drawing" + (idx+1) + ".xml", RELS.DRAW);
	//	if(o.length>2) { o[o.length] = ('</chartsheet>'); o[1]=o[1].replace("/>",">"); }
	//	return o.join("");
	//}

	/* [MS-XLSB] 2.4.331 BrtCsProp */
	function parse_BrtCsProp(data, length) {
		data.l += 10;
		var name = parse_XLWideString(data, length - 10);
		return { name: name };
	}

	/* [MS-XLSB] 2.1.7.7 Chart Sheet */
	function parse_cs_bin(data, opts, idx, rels, wb) {
		if (!data) return data;
		if (!rels) rels = { '!id': {} };
		var s = { '!type': "chart", '!drawel': null, '!rel': "" };
		var state = [];
		var pass = false;
		recordhopper(data, function cs_parse(val, R, RT) {
			switch (RT) {

				case 0x0226: /* 'BrtDrawing' */
					s['!rel'] = val; break;

				case 0x028B: /* 'BrtCsProp' */
					if (!wb.Sheets[idx]) wb.Sheets[idx] = {};
					if (val.name) wb.Sheets[idx].CodeName = val.name;
					break;

				case 0x0232: /* 'BrtBkHim' */
				case 0x028C: /* 'BrtCsPageSetup' */
				case 0x029D: /* 'BrtCsProtection' */
				case 0x02A7: /* 'BrtCsProtectionIso' */
				case 0x0227: /* 'BrtLegacyDrawing' */
				case 0x0228: /* 'BrtLegacyDrawingHF' */
				case 0x01DC: /* 'BrtMargins' */
				case 0x0C00: /* 'BrtUid' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;
				case 0x0025: /* 'BrtACBegin' */
					state.push(RT); break;
				case 0x0026: /* 'BrtACEnd' */
					state.pop(); break;

				default:
					if (R.T > 0) state.push(RT);
					else if (R.T < 0) state.pop();
					else if (!pass || opts.WTF) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		}, opts);

		if (rels['!id'][s['!rel']]) s['!drawel'] = rels['!id'][s['!rel']];
		return s;
	}
	//function write_cs_bin() {
	//	var ba = buf_array();
	//	write_record(ba, 0x0081 /* BrtBeginSheet */);
	//	/* [BrtCsProp] */
	//	/* CSVIEWS */
	//	/* [[BrtCsProtectionIso] BrtCsProtection] */
	//	/* [USERCSVIEWS] */
	//	/* [BrtMargins] */
	//	/* [BrtCsPageSetup] */
	//	/* [HEADERFOOTER] */
	//	/* BrtDrawing */
	//	/* [BrtLegacyDrawing] */
	//	/* [BrtLegacyDrawingHF] */
	//	/* [BrtBkHim] */
	//	/* [WEBPUBITEMS] */
	//	/* FRTCHARTSHEET */
	//	write_record(ba, 0x0082 /* BrtEndSheet */);
	//	return ba.end();
	//}
	/* 18.2.28 (CT_WorkbookProtection) Defaults */
	var WBPropsDef = [
		['allowRefreshQuery', false, "bool"],
		['autoCompressPictures', true, "bool"],
		['backupFile', false, "bool"],
		['checkCompatibility', false, "bool"],
		['CodeName', ''],
		['date1904', false, "bool"],
		['defaultThemeVersion', 0, "int"],
		['filterPrivacy', false, "bool"],
		['hidePivotFieldList', false, "bool"],
		['promptedSolutions', false, "bool"],
		['publishItems', false, "bool"],
		['refreshAllConnections', false, "bool"],
		['saveExternalLinkValues', true, "bool"],
		['showBorderUnselectedTables', true, "bool"],
		['showInkAnnotation', true, "bool"],
		['showObjects', 'all'],
		['showPivotChartFilter', false, "bool"],
		['updateLinks', 'userSet']
	];

	/* 18.2.30 (CT_BookView) Defaults */
	var WBViewDef = [
		['activeTab', 0, "int"],
		['autoFilterDateGrouping', true, "bool"],
		['firstSheet', 0, "int"],
		['minimized', false, "bool"],
		['showHorizontalScroll', true, "bool"],
		['showSheetTabs', true, "bool"],
		['showVerticalScroll', true, "bool"],
		['tabRatio', 600, "int"],
		['visibility', 'visible']
		//window{Height,Width}, {x,y}Window
	];

	/* 18.2.19 (CT_Sheet) Defaults */
	var SheetDef = [
		//['state', 'visible']
	];

	/* 18.2.2  (CT_CalcPr) Defaults */
	var CalcPrDef = [
		['calcCompleted', 'true'],
		['calcMode', 'auto'],
		['calcOnSave', 'true'],
		['concurrentCalc', 'true'],
		['fullCalcOnLoad', 'false'],
		['fullPrecision', 'true'],
		['iterate', 'false'],
		['iterateCount', '100'],
		['iterateDelta', '0.001'],
		['refMode', 'A1']
	];

	/* 18.2.3 (CT_CustomWorkbookView) Defaults */
	/*var CustomWBViewDef = [
		['autoUpdate', 'false'],
		['changesSavedWin', 'false'],
		['includeHiddenRowCol', 'true'],
		['includePrintSettings', 'true'],
		['maximized', 'false'],
		['minimized', 'false'],
		['onlySync', 'false'],
		['personalView', 'false'],
		['showComments', 'commIndicator'],
		['showFormulaBar', 'true'],
		['showHorizontalScroll', 'true'],
		['showObjects', 'all'],
		['showSheetTabs', 'true'],
		['showStatusbar', 'true'],
		['showVerticalScroll', 'true'],
		['tabRatio', '600'],
		['xWindow', '0'],
		['yWindow', '0']
	];*/

	function push_defaults_array(target, defaults) {
		for (var j = 0; j != target.length; ++j) {
			var w = target[j];
			for (var i = 0; i != defaults.length; ++i) {
				var z = defaults[i];
				if (w[z[0]] == null) w[z[0]] = z[1];
				else switch (z[2]) {
					case "bool": if (typeof w[z[0]] == "string") w[z[0]] = parsexmlbool(w[z[0]]); break;
					case "int": if (typeof w[z[0]] == "string") w[z[0]] = parseInt(w[z[0]], 10); break;
				}
			}
		}
	}
	function push_defaults(target, defaults) {
		for (var i = 0; i != defaults.length; ++i) {
			var z = defaults[i];
			if (target[z[0]] == null) target[z[0]] = z[1];
			else switch (z[2]) {
				case "bool": if (typeof target[z[0]] == "string") target[z[0]] = parsexmlbool(target[z[0]]); break;
				case "int": if (typeof target[z[0]] == "string") target[z[0]] = parseInt(target[z[0]], 10); break;
			}
		}
	}

	function parse_wb_defaults(wb) {
		push_defaults(wb.WBProps, WBPropsDef);
		push_defaults(wb.CalcPr, CalcPrDef);

		push_defaults_array(wb.WBView, WBViewDef);
		push_defaults_array(wb.Sheets, SheetDef);

		_ssfopts.date1904 = parsexmlbool(wb.WBProps.date1904);
	}

	function safe1904(wb) {
		/* TODO: store date1904 somewhere else */
		if (!wb.Workbook) return "false";
		if (!wb.Workbook.WBProps) return "false";
		return parsexmlbool(wb.Workbook.WBProps.date1904) ? "true" : "false";
	}

	var badchars = ":][*?\/\\".split("");
	function check_ws_name(n, safe) {
		try {
			if (n == "") throw new Error("Sheet name cannot be blank");
			if (n.length > 31) throw new Error("Sheet name cannot exceed 31 chars");
			if (n.charCodeAt(0) == 0x27 || n.charCodeAt(n.length - 1) == 0x27) throw new Error("Sheet name cannot start or end with apostrophe (')");
			if (n.toLowerCase() == "history") throw new Error("Sheet name cannot be 'History'");
			badchars.forEach(function (c) {
				if (n.indexOf(c) == -1) return;
				throw new Error("Sheet name cannot contain : \\ / ? * [ ]");
			});
		} catch (e) { if (safe) return false; throw e; }
		return true;
	}
	function check_wb_names(N, S, codes) {
		N.forEach(function (n, i) {
			check_ws_name(n);
			for (var j = 0; j < i; ++j) if (n == N[j]) throw new Error("Duplicate Sheet Name: " + n);
			if (codes) {
				var cn = (S && S[i] && S[i].CodeName) || n;
				if (cn.charCodeAt(0) == 95 && cn.length > 22) throw new Error("Bad Code Name: Worksheet" + cn);
			}
		});
	}
	function check_wb(wb) {
		if (!wb || !wb.SheetNames || !wb.Sheets) throw new Error("Invalid Workbook");
		if (!wb.SheetNames.length) throw new Error("Workbook is empty");
		var Sheets = (wb.Workbook && wb.Workbook.Sheets) || [];
		check_wb_names(wb.SheetNames, Sheets, !!wb.vbaraw);
		for (var i = 0; i < wb.SheetNames.length; ++i) check_ws(wb.Sheets[wb.SheetNames[i]], wb.SheetNames[i], i);
		wb.SheetNames.forEach(function (n, i) {
			var ws = wb.Sheets[n];
			if (!ws || !ws["!autofilter"]) return;
			var DN;
			if (!wb.Workbook) wb.Workbook = {};
			if (!wb.Workbook.Names) wb.Workbook.Names = [];
			wb.Workbook.Names.forEach(function (dn) { if (dn.Name == "_xlnm._FilterDatabase" && dn.Sheet == i) DN = dn; });
			var nn = formula_quote_sheet_name(n) + "!" + fix_range(ws["!autofilter"].ref);
			if (DN) DN.Ref = nn;
			else wb.Workbook.Names.push({ Name: "_xlnm._FilterDatabase", Sheet: i, Ref: nn });
		});
		/* TODO: validate workbook */
	}
	/* 18.2 Workbook */
	var wbnsregex = /<\w+:workbook/;
	function parse_wb_xml(data, opts) {
		if (!data) throw new Error("Could not find file");
		var wb = { AppVersion: {}, WBProps: {}, WBView: [], Sheets: [], CalcPr: {}, Names: [], xmlns: "" };
		var pass = false, xmlns = "xmlns";
		var dname = {}, dnstart = 0;
		data.replace(tagregex, function xml_wb(x, idx) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<?xml': break;

				/* 18.2.27 workbook CT_Workbook 1 */
				case '<workbook':
					if (x.match(wbnsregex)) xmlns = "xmlns" + x.match(/<(\w+):/)[1];
					wb.xmlns = y[xmlns];
					break;
				case '</workbook>': break;

				/* 18.2.13 fileVersion CT_FileVersion ? */
				case '<fileVersion': delete y[0]; wb.AppVersion = y; break;
				case '<fileVersion/>': case '</fileVersion>': break;

				/* 18.2.12 fileSharing CT_FileSharing ? */
				case '<fileSharing':
					break;
				case '<fileSharing/>': break;

				/* 18.2.28 workbookPr CT_WorkbookPr ? */
				case '<workbookPr':
				case '<workbookPr/>':
					WBPropsDef.forEach(function (w) {
						if (y[w[0]] == null) return;
						switch (w[2]) {
							case "bool": wb.WBProps[w[0]] = parsexmlbool(y[w[0]]); break;
							case "int": wb.WBProps[w[0]] = parseInt(y[w[0]], 10); break;
							default: wb.WBProps[w[0]] = y[w[0]];
						}
					});
					if (y.codeName) wb.WBProps.CodeName = utf8read(y.codeName);
					break;
				case '</workbookPr>': break;

				/* 18.2.29 workbookProtection CT_WorkbookProtection ? */
				case '<workbookProtection':
					break;
				case '<workbookProtection/>': break;

				/* 18.2.1  bookViews CT_BookViews ? */
				case '<bookViews': case '<bookViews>': case '</bookViews>': break;
				/* 18.2.30   workbookView CT_BookView + */
				case '<workbookView': case '<workbookView/>': delete y[0]; wb.WBView.push(y); break;
				case '</workbookView>': break;

				/* 18.2.20 sheets CT_Sheets 1 */
				case '<sheets': case '<sheets>': case '</sheets>': break; // aggregate sheet
				/* 18.2.19   sheet CT_Sheet + */
				case '<sheet':
					switch (y.state) {
						case "hidden": y.Hidden = 1; break;
						case "veryHidden": y.Hidden = 2; break;
						default: y.Hidden = 0;
					}
					delete y.state;
					y.name = unescapexml(utf8read(y.name));
					delete y[0]; wb.Sheets.push(y); break;
				case '</sheet>': break;

				/* 18.2.15 functionGroups CT_FunctionGroups ? */
				case '<functionGroups': case '<functionGroups/>': break;
				/* 18.2.14   functionGroup CT_FunctionGroup + */
				case '<functionGroup': break;

				/* 18.2.9  externalReferences CT_ExternalReferences ? */
				case '<externalReferences': case '</externalReferences>': case '<externalReferences>': break;
				/* 18.2.8    externalReference CT_ExternalReference + */
				case '<externalReference': break;

				/* 18.2.6  definedNames CT_DefinedNames ? */
				case '<definedNames/>': break;
				case '<definedNames>': case '<definedNames': pass = true; break;
				case '</definedNames>': pass = false; break;
				/* 18.2.5    definedName CT_DefinedName + */
				case '<definedName': {
					dname = {};
					dname.Name = utf8read(y.name);
					if (y.comment) dname.Comment = y.comment;
					if (y.localSheetId) dname.Sheet = +y.localSheetId;
					if (parsexmlbool(y.hidden || "0")) dname.Hidden = true;
					dnstart = idx + x.length;
				} break;
				case '</definedName>': {
					dname.Ref = unescapexml(utf8read(data.slice(dnstart, idx)));
					wb.Names.push(dname);
				} break;
				case '<definedName/>': break;

				/* 18.2.2  calcPr CT_CalcPr ? */
				case '<calcPr': delete y[0]; wb.CalcPr = y; break;
				case '<calcPr/>': delete y[0]; wb.CalcPr = y; break;
				case '</calcPr>': break;

				/* 18.2.16 oleSize CT_OleSize ? (ref required) */
				case '<oleSize': break;

				/* 18.2.4  customWorkbookViews CT_CustomWorkbookViews ? */
				case '<customWorkbookViews>': case '</customWorkbookViews>': case '<customWorkbookViews': break;
				/* 18.2.3  customWorkbookView CT_CustomWorkbookView + */
				case '<customWorkbookView': case '</customWorkbookView>': break;

				/* 18.2.18 pivotCaches CT_PivotCaches ? */
				case '<pivotCaches>': case '</pivotCaches>': case '<pivotCaches': break;
				/* 18.2.17 pivotCache CT_PivotCache ? */
				case '<pivotCache': break;

				/* 18.2.21 smartTagPr CT_SmartTagPr ? */
				case '<smartTagPr': case '<smartTagPr/>': break;

				/* 18.2.23 smartTagTypes CT_SmartTagTypes ? */
				case '<smartTagTypes': case '<smartTagTypes>': case '</smartTagTypes>': break;
				/* 18.2.22 smartTagType CT_SmartTagType ? */
				case '<smartTagType': break;

				/* 18.2.24 webPublishing CT_WebPublishing ? */
				case '<webPublishing': case '<webPublishing/>': break;

				/* 18.2.11 fileRecoveryPr CT_FileRecoveryPr ? */
				case '<fileRecoveryPr': case '<fileRecoveryPr/>': break;

				/* 18.2.26 webPublishObjects CT_WebPublishObjects ? */
				case '<webPublishObjects>': case '<webPublishObjects': case '</webPublishObjects>': break;
				/* 18.2.25 webPublishObject CT_WebPublishObject ? */
				case '<webPublishObject': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': case '<extLst/>': break;
				/* 18.2.7  ext CT_Extension + */
				case '<ext': pass = true; break; //TODO: check with versions of excel
				case '</ext>': pass = false; break;

				/* Others */
				case '<ArchID': break;
				case '<AlternateContent':
				case '<AlternateContent>': pass = true; break;
				case '</AlternateContent>': pass = false; break;

				/* TODO */
				case '<revisionPtr': break;

				default: if (!pass && opts.WTF) throw new Error('unrecognized ' + y[0] + ' in workbook');
			}
			return x;
		});
		if (XMLNS_main.indexOf(wb.xmlns) === -1) throw new Error("Unknown Namespace: " + wb.xmlns);

		parse_wb_defaults(wb);

		return wb;
	}

	function write_wb_xml(wb) {
		var o = [XML_HEADER];
		o[o.length] = writextag('workbook', null, {
			'xmlns': XMLNS_main[0],
			//'xmlns:mx': XMLNS.mx,
			//'xmlns:s': XMLNS_main[0],
			'xmlns:r': XMLNS.r
		});

		var write_names = (wb.Workbook && (wb.Workbook.Names || []).length > 0);

		/* fileVersion */
		/* fileSharing */

		var workbookPr = ({ codeName: "ThisWorkbook" });
		if (wb.Workbook && wb.Workbook.WBProps) {
			WBPropsDef.forEach(function (x) {
				if ((wb.Workbook.WBProps[x[0]]) == null) return;
				if ((wb.Workbook.WBProps[x[0]]) == x[1]) return;
				workbookPr[x[0]] = (wb.Workbook.WBProps[x[0]]);
			});
			if (wb.Workbook.WBProps.CodeName) { workbookPr.codeName = wb.Workbook.WBProps.CodeName; delete workbookPr.CodeName; }
		}
		o[o.length] = (writextag('workbookPr', null, workbookPr));

		/* workbookProtection */

		var sheets = wb.Workbook && wb.Workbook.Sheets || [];
		var i = 0;

		/* bookViews only written if first worksheet is hidden */
		if (sheets && sheets[0] && !!sheets[0].Hidden) {
			o[o.length] = "<bookViews>";
			for (i = 0; i != wb.SheetNames.length; ++i) {
				if (!sheets[i]) break;
				if (!sheets[i].Hidden) break;
			}
			if (i == wb.SheetNames.length) i = 0;
			o[o.length] = '<workbookView firstSheet="' + i + '" activeTab="' + i + '"/>';
			o[o.length] = "</bookViews>";
		}

		o[o.length] = "<sheets>";
		for (i = 0; i != wb.SheetNames.length; ++i) {
			var sht = ({ name: escapexml(wb.SheetNames[i].slice(0, 31)) });
			sht.sheetId = "" + (i + 1);
			sht["r:id"] = "rId" + (i + 1);
			if (sheets[i]) switch (sheets[i].Hidden) {
				case 1: sht.state = "hidden"; break;
				case 2: sht.state = "veryHidden"; break;
			}
			o[o.length] = (writextag('sheet', null, sht));
		}
		o[o.length] = "</sheets>";

		/* functionGroups */
		/* externalReferences */

		if (write_names) {
			o[o.length] = "<definedNames>";
			if (wb.Workbook && wb.Workbook.Names) wb.Workbook.Names.forEach(function (n) {
				var d = { name: n.Name };
				if (n.Comment) d.comment = n.Comment;
				if (n.Sheet != null) d.localSheetId = "" + n.Sheet;
				if (n.Hidden) d.hidden = "1";
				if (!n.Ref) return;
				o[o.length] = writextag('definedName', escapexml(n.Ref), d);
			});
			o[o.length] = "</definedNames>";
		}

		/* calcPr */
		/* oleSize */
		/* customWorkbookViews */
		/* pivotCaches */
		/* smartTagPr */
		/* smartTagTypes */
		/* webPublishing */
		/* fileRecoveryPr */
		/* webPublishObjects */
		/* extLst */

		if (o.length > 2) { o[o.length] = '</workbook>'; o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* [MS-XLSB] 2.4.304 BrtBundleSh */
	function parse_BrtBundleSh(data, length) {
		var z = {};
		z.Hidden = data.read_shift(4); //hsState ST_SheetState
		z.iTabID = data.read_shift(4);
		z.strRelID = parse_RelID(data, length - 8);
		z.name = parse_XLWideString(data);
		return z;
	}
	function write_BrtBundleSh(data, o) {
		if (!o) o = new_buf(127);
		o.write_shift(4, data.Hidden);
		o.write_shift(4, data.iTabID);
		write_RelID(data.strRelID, o);
		write_XLWideString(data.name.slice(0, 31), o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.815 BrtWbProp */
	function parse_BrtWbProp(data, length) {
		var o = ({});
		var flags = data.read_shift(4);
		o.defaultThemeVersion = data.read_shift(4);
		var strName = (length > 8) ? parse_XLWideString(data) : "";
		if (strName.length > 0) o.CodeName = strName;
		o.autoCompressPictures = !!(flags & 0x10000);
		o.backupFile = !!(flags & 0x40);
		o.checkCompatibility = !!(flags & 0x1000);
		o.date1904 = !!(flags & 0x01);
		o.filterPrivacy = !!(flags & 0x08);
		o.hidePivotFieldList = !!(flags & 0x400);
		o.promptedSolutions = !!(flags & 0x10);
		o.publishItems = !!(flags & 0x800);
		o.refreshAllConnections = !!(flags & 0x40000);
		o.saveExternalLinkValues = !!(flags & 0x80);
		o.showBorderUnselectedTables = !!(flags & 0x04);
		o.showInkAnnotation = !!(flags & 0x20);
		o.showObjects = ["all", "placeholders", "none"][(flags >> 13) & 0x03];
		o.showPivotChartFilter = !!(flags & 0x8000);
		o.updateLinks = ["userSet", "never", "always"][(flags >> 8) & 0x03];
		return o;
	}
	function write_BrtWbProp(data, o) {
		if (!o) o = new_buf(72);
		var flags = 0;
		if (data) {
			/* TODO: mirror parse_BrtWbProp fields */
			if (data.date1904) flags |= 0x01;
			if (data.filterPrivacy) flags |= 0x08;
		}
		o.write_shift(4, flags);
		o.write_shift(4, 0);
		write_XLSBCodeName(data && data.CodeName || "ThisWorkbook", o);
		return o.slice(0, o.l);
	}

	function parse_BrtFRTArchID$(data, length) {
		var o = {};
		data.read_shift(4);
		o.ArchID = data.read_shift(4);
		data.l += length - 8;
		return o;
	}

	/* [MS-XLSB] 2.4.687 BrtName */
	function parse_BrtName(data, length, opts) {
		var end = data.l + length;
		var flags = data.read_shift(4);
		data.l += 1; //var chKey = data.read_shift(1);
		var itab = data.read_shift(4);
		var name = parse_XLNameWideString(data);
		var formula;
		var comment = "";
		try {
			formula = parse_XLSBNameParsedFormula(data, 0, opts);
			try {
				comment = parse_XLNullableWideString(data);
			} catch (e) { }
		} catch (e) { console.error("Could not parse defined name " + name); }
		if (flags & 0x20) name = "_xlnm." + name;
		//if(0 /* fProc */) {
		// unusedstring1: XLNullableWideString
		// description: XLNullableWideString
		// helpTopic: XLNullableWideString
		// unusedstring2: XLNullableWideString
		//}
		data.l = end;
		var out = ({ Name: name, Ptg: formula, Flags: flags });
		if (itab < 0xFFFFFFF) out.Sheet = itab;
		if (comment) out.Comment = comment;
		return out;
	}
	function write_BrtName(name, wb) {
		var o = new_buf(9);
		var flags = 0;
		var dname = name.Name;
		if (XLSLblBuiltIn.indexOf(dname) > -1) { flags |= 0x20; dname = dname.slice(6); }
		o.write_shift(4, flags); // flags
		o.write_shift(1, 0); // chKey
		o.write_shift(4, name.Sheet == null ? 0xFFFFFFFF : name.Sheet);

		var arr = [
			o,
			write_XLWideString(dname),
			write_XLSBNameParsedFormula(name.Ref, wb)
		];
		if (name.Comment) arr.push(write_XLNullableWideString(name.Comment));
		else {
			var x = new_buf(4);
			x.write_shift(4, 0xFFFFFFFF);
			arr.push(x);
		}

		// if macro (flags & 0x0F):
		// write_shift(4, 0xFFFFFFFF);
		// write_XLNullableWideString(description)
		// write_XLNullableWideString(helpTopic)
		// write_shift(4, 0xFFFFFFFF);

		return bconcat(arr);
	}

	/* [MS-XLSB] 2.1.7.61 Workbook */
	function parse_wb_bin(data, opts) {
		var wb = { AppVersion: {}, WBProps: {}, WBView: [], Sheets: [], CalcPr: {}, xmlns: "" };
		var state = [];
		var pass = false;

		if (!opts) opts = {};
		opts.biff = 12;

		var Names = [];
		var supbooks = ([[]]);
		supbooks.SheetNames = [];
		supbooks.XTI = [];

		XLSBRecordEnum[0x0010] = { n: "BrtFRTArchID$", f: parse_BrtFRTArchID$ };

		recordhopper(data, function hopper_wb(val, R, RT) {
			switch (RT) {
				case 0x009C: /* 'BrtBundleSh' */
					supbooks.SheetNames.push(val.name);
					wb.Sheets.push(val); break;

				case 0x0099: /* 'BrtWbProp' */
					wb.WBProps = val; break;

				case 0x0027: /* 'BrtName' */
					if (val.Sheet != null) opts.SID = val.Sheet;
					val.Ref = val.Ptg ? stringify_formula(val.Ptg, null, null, supbooks, opts) : "#REF!";
					delete opts.SID;
					delete val.Ptg;
					Names.push(val);
					break;
				case 0x040C: /* 'BrtNameExt' */ break;

				case 0x0165: /* 'BrtSupSelf' */
				case 0x0166: /* 'BrtSupSame' */
				case 0x0163: /* 'BrtSupBookSrc' */
				case 0x029B: /* 'BrtSupAddin' */
					if (!supbooks[0].length) supbooks[0] = [RT, val];
					else supbooks.push([RT, val]);
					supbooks[supbooks.length - 1].XTI = [];
					break;
				case 0x016A: /* 'BrtExternSheet' */
					if (supbooks.length === 0) { supbooks[0] = []; supbooks[0].XTI = []; }
					supbooks[supbooks.length - 1].XTI = supbooks[supbooks.length - 1].XTI.concat(val);
					supbooks.XTI = supbooks.XTI.concat(val);
					break;
				case 0x0169: /* 'BrtPlaceholderName' */
					break;

				case 0x0817: /* 'BrtAbsPath15' */
				case 0x009E: /* 'BrtBookView' */
				case 0x008F: /* 'BrtBeginBundleShs' */
				case 0x0298: /* 'BrtBeginFnGroup' */
				case 0x0161: /* 'BrtBeginExternals' */
					break;

				/* case 'BrtModelTimeGroupingCalcCol' */
				case 0x0C00: /* 'BrtUid' */
				case 0x0C01: /* 'BrtRevisionPtr' */
				case 0x0216: /* 'BrtBookProtection' */
				case 0x02A5: /* 'BrtBookProtectionIso' */
				case 0x009D: /* 'BrtCalcProp' */
				case 0x0262: /* 'BrtCrashRecErr' */
				case 0x0802: /* 'BrtDecoupledPivotCacheID' */
				case 0x009B: /* 'BrtFileRecover' */
				case 0x0224: /* 'BrtFileSharing' */
				case 0x02A4: /* 'BrtFileSharingIso' */
				case 0x0080: /* 'BrtFileVersion' */
				case 0x0299: /* 'BrtFnGroup' */
				case 0x0850: /* 'BrtModelRelationship' */
				case 0x084D: /* 'BrtModelTable' */
				case 0x0225: /* 'BrtOleSize' */
				case 0x0805: /* 'BrtPivotTableRef' */
				case 0x0254: /* 'BrtSmartTagType' */
				case 0x081C: /* 'BrtTableSlicerCacheID' */
				case 0x081B: /* 'BrtTableSlicerCacheIDs' */
				case 0x0822: /* 'BrtTimelineCachePivotCacheID' */
				case 0x018D: /* 'BrtUserBookView' */
				case 0x009A: /* 'BrtWbFactoid' */
				case 0x045D: /* 'BrtWbProp14' */
				case 0x0229: /* 'BrtWebOpt' */
				case 0x082B: /* 'BrtWorkBookPr15' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					state.push(RT); pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					state.pop(); pass = false; break;
				case 0x0025: /* 'BrtACBegin' */
					state.push(RT); pass = true; break;
				case 0x0026: /* 'BrtACEnd' */
					state.pop(); pass = false; break;

				case 0x0010: /* 'BrtFRTArchID$' */ break;

				default:
					if (R.T) {/* empty */ }
					else if (!pass || (opts.WTF && state[state.length - 1] != 0x0025 /* BrtACBegin */ && state[state.length - 1] != 0x0023 /* BrtFRTBegin */)) throw new Error("Unexpected record 0x" + RT.toString(16));
			}
		}, opts);

		parse_wb_defaults(wb);

		// $FlowIgnore
		wb.Names = Names;

		(wb).supbooks = supbooks;
		return wb;
	}

	function write_BUNDLESHS(ba, wb) {
		write_record(ba, 0x008F /* BrtBeginBundleShs */);
		for (var idx = 0; idx != wb.SheetNames.length; ++idx) {
			var viz = wb.Workbook && wb.Workbook.Sheets && wb.Workbook.Sheets[idx] && wb.Workbook.Sheets[idx].Hidden || 0;
			var d = { Hidden: viz, iTabID: idx + 1, strRelID: 'rId' + (idx + 1), name: wb.SheetNames[idx] };
			write_record(ba, 0x009C /* BrtBundleSh */, write_BrtBundleSh(d));
		}
		write_record(ba, 0x0090 /* BrtEndBundleShs */);
	}

	/* [MS-XLSB] 2.4.649 BrtFileVersion */
	function write_BrtFileVersion(data, o) {
		if (!o) o = new_buf(127);
		for (var i = 0; i != 4; ++i) o.write_shift(4, 0);
		write_XLWideString("SheetJS", o);
		write_XLWideString(XLSX.version, o);
		write_XLWideString(XLSX.version, o);
		write_XLWideString("7262", o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.301 BrtBookView */
	function write_BrtBookView(idx, o) {
		if (!o) o = new_buf(29);
		o.write_shift(-4, 0);
		o.write_shift(-4, 460);
		o.write_shift(4, 28800);
		o.write_shift(4, 17600);
		o.write_shift(4, 500);
		o.write_shift(4, idx);
		o.write_shift(4, idx);
		var flags = 0x78;
		o.write_shift(1, flags);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	function write_BOOKVIEWS(ba, wb) {
		/* required if hidden tab appears before visible tab */
		if (!wb.Workbook || !wb.Workbook.Sheets) return;
		var sheets = wb.Workbook.Sheets;
		var i = 0, vistab = -1, hidden = -1;
		for (; i < sheets.length; ++i) {
			if (!sheets[i] || !sheets[i].Hidden && vistab == -1) vistab = i;
			else if (sheets[i].Hidden == 1 && hidden == -1) hidden = i;
		}
		if (hidden > vistab) return;
		write_record(ba, 0x0087 /* BrtBeginBookViews */);
		write_record(ba, 0x009E /* BrtBookView */, write_BrtBookView(vistab));
		/* 1*(BrtBookView *FRT) */
		write_record(ba, 0x0088 /* BrtEndBookViews */);
	}

	function write_BRTNAMES(ba, wb) {
		if (!wb.Workbook || !wb.Workbook.Names) return;
		wb.Workbook.Names.forEach(function (name) {
			try {
				if (name.Flags & 0x0e) return; // TODO: macro name write
				write_record(ba, 0x0027 /* BrtName */, write_BrtName(name, wb));
			} catch (e) {
				console.error("Could not serialize defined name " + JSON.stringify(name));
			}
		});
	}

	function write_SELF_EXTERNS_xlsb(wb) {
		var L = wb.SheetNames.length;
		var o = new_buf(12 * L + 28);
		o.write_shift(4, L + 2);
		o.write_shift(4, 0); o.write_shift(4, -2); o.write_shift(4, -2); // workbook-level reference
		o.write_shift(4, 0); o.write_shift(4, -1); o.write_shift(4, -1); // #REF!...
		for (var i = 0; i < L; ++i) {
			o.write_shift(4, 0); o.write_shift(4, i); o.write_shift(4, i);
		}
		return o;
	}
	function write_EXTERNALS_xlsb(ba, wb) {
		write_record(ba, 0x0161 /* BrtBeginExternals */);
		write_record(ba, 0x0165 /* BrtSupSelf */);
		write_record(ba, 0x016A /* BrtExternSheet */, write_SELF_EXTERNS_xlsb(wb, 0));
		write_record(ba, 0x0162 /* BrtEndExternals */);
	}

	/* [MS-XLSB] 2.4.305 BrtCalcProp */
	/*function write_BrtCalcProp(data, o) {
		if(!o) o = new_buf(26);
		o.write_shift(4,0); // force recalc
		o.write_shift(4,1);
		o.write_shift(4,0);
		write_Xnum(0, o);
		o.write_shift(-4, 1023);
		o.write_shift(1, 0x33);
		o.write_shift(1, 0x00);
		return o;
	}*/

	/* [MS-XLSB] 2.4.646 BrtFileRecover */
	/*function write_BrtFileRecover(data, o) {
		if(!o) o = new_buf(1);
		o.write_shift(1,0);
		return o;
	}*/

	/* [MS-XLSB] 2.1.7.61 Workbook */
	function write_wb_bin(wb, opts) {
		var ba = buf_array();
		write_record(ba, 0x0083 /* BrtBeginBook */);
		write_record(ba, 0x0080 /* BrtFileVersion */, write_BrtFileVersion());
		/* [[BrtFileSharingIso] BrtFileSharing] */
		write_record(ba, 0x0099 /* BrtWbProp */, write_BrtWbProp(wb.Workbook && wb.Workbook.WBProps || null));
		/* [ACABSPATH] */
		/* [[BrtBookProtectionIso] BrtBookProtection] */
		write_BOOKVIEWS(ba, wb, opts);
		write_BUNDLESHS(ba, wb, opts);
		/* [FNGROUP] */
		write_EXTERNALS_xlsb(ba, wb);
		if ((wb.Workbook || {}).Names) write_BRTNAMES(ba, wb);
		/* write_record(ba, 0x009D BrtCalcProp, write_BrtCalcProp()); */
		/* [BrtOleSize] */
		/* *(BrtUserBookView *FRT) */
		/* [PIVOTCACHEIDS] */
		/* [BrtWbFactoid] */
		/* [SMARTTAGTYPES] */
		/* [BrtWebOpt] */
		/* write_record(ba, 0x009B BrtFileRecover, write_BrtFileRecover()); */
		/* [WEBPUBITEMS] */
		/* [CRERRS] */
		/* FRTWORKBOOK */
		write_record(ba, 0x0084 /* BrtEndBook */);

		return ba.end();
	}
	function parse_wb(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_wb_bin((data), opts);
		return parse_wb_xml((data), opts);
	}

	function parse_ws(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_ws_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_ws_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_cs(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_cs_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_cs_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_ms(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_ms_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_ms_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_ds(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_ds_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_ds_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_sty(data, name, themes, opts) {
		if (name.slice(-4) === ".bin") return parse_sty_bin((data), themes, opts);
		return parse_sty_xml((data), themes, opts);
	}

	function parse_sst(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_sst_bin((data), opts);
		return parse_sst_xml((data), opts);
	}

	function parse_cmnt(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_comments_bin((data), opts);
		return parse_comments_xml((data), opts);
	}

	function parse_cc(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_cc_bin((data), name, opts);
		return parse_cc_xml((data), name, opts);
	}

	function parse_xlink(data, rel, name, opts) {
		if (name.slice(-4) === ".bin") return parse_xlink_bin((data), rel, name, opts);
		return parse_xlink_xml((data), rel, name, opts);
	}

	function parse_xlmeta(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_xlmeta_bin((data), name, opts);
		return parse_xlmeta_xml((data), name, opts);
	}
	var attregexg2 = /\b((?:\w+:)?[\w]+)=((?:")([^"]*)(?:")|(?:')([^']*)(?:'))/g;
	var attregex2 = /\b((?:\w+:)?[\w]+)=((?:")(?:[^"]*)(?:")|(?:')(?:[^']*)(?:'))/;
	function xlml_parsexmltag(tag, skip_root) {
		var words = tag.split(/\s+/);
		var z = ([]); if (!skip_root) z[0] = words[0];
		if (words.length === 1) return z;
		var m = tag.match(attregexg2), y, j, w, i;
		if (m) for (i = 0; i != m.length; ++i) {
			y = m[i].match(attregex2);
			if ((j = y[1].indexOf(":")) === -1) z[y[1]] = y[2].slice(1, y[2].length - 1);
			else {
				if (y[1].slice(0, 6) === "xmlns:") w = "xmlns" + y[1].slice(6);
				else w = y[1].slice(j + 1);
				z[w] = y[2].slice(1, y[2].length - 1);
			}
		}
		return z;
	}
	function xlml_parsexmltagobj(tag) {
		var words = tag.split(/\s+/);
		var z = {};
		if (words.length === 1) return z;
		var m = tag.match(attregexg2), y, j, w, i;
		if (m) for (i = 0; i != m.length; ++i) {
			y = m[i].match(attregex2);
			if ((j = y[1].indexOf(":")) === -1) z[y[1]] = y[2].slice(1, y[2].length - 1);
			else {
				if (y[1].slice(0, 6) === "xmlns:") w = "xmlns" + y[1].slice(6);
				else w = y[1].slice(j + 1);
				z[w] = y[2].slice(1, y[2].length - 1);
			}
		}
		return z;
	}

	// ----

	/* map from xlml named formats to SSF TODO: localize */
	var XLMLFormatMap;

	function xlml_format(format, value, date1904) {
		var fmt = XLMLFormatMap[format] || unescapexml(format);
		if (fmt === "General") return SSF_general(value);
		return SSF_format(fmt, value, { date1904: !!date1904 });
	}

	function xlml_set_custprop(Custprops, key, cp, val) {
		var oval = val;
		switch ((cp[0].match(/dt:dt="([\w.]+)"/) || ["", ""])[1]) {
			case "boolean": oval = parsexmlbool(val); break;
			case "i2": case "int": oval = parseInt(val, 10); break;
			case "r4": case "float": oval = parseFloat(val); break;
			case "date": case "dateTime.tz": oval = parseDate(val); break;
			case "i8": case "string": case "fixed": case "uuid": case "bin.base64": break;
			default: throw new Error("bad custprop:" + cp[0]);
		}
		Custprops[unescapexml(key)] = oval;
	}

	function safe_format_xlml(cell, nf, o, date1904) {
		if (cell.t === 'z') return;
		if (!o || o.cellText !== false) try {
			if (cell.t === 'e') { cell.w = cell.w || BErr[cell.v]; }
			else if (nf === "General") {
				if (cell.t === 'n') {
					if ((cell.v | 0) === cell.v) cell.w = cell.v.toString(10);
					else cell.w = SSF_general_num(cell.v);
				}
				else cell.w = SSF_general(cell.v);
			}
			else cell.w = xlml_format(nf || "General", cell.v, date1904);
		} catch (e) { if (o.WTF) throw e; }
		try {
			var z = XLMLFormatMap[nf] || nf || "General";
			if (o.cellNF) cell.z = z;
			if (o.cellDates && cell.t == 'n' && fmt_is_date(z)) {
				var _d = SSF_parse_date_code(cell.v + (date1904 ? 1462 : 0)); if (_d) { cell.t = 'd'; cell.v = new Date(Date.UTC(_d.y, _d.m - 1, _d.d, _d.H, _d.M, _d.S, _d.u)); }
			}
		} catch (e) { if (o.WTF) throw e; }
	}

	function process_style_xlml(styles, stag, opts) {
		if (opts.cellStyles) {
			if (stag.Interior) {
				var I = stag.Interior;
				if (I.Pattern) I.patternType = XLMLPatternTypeMap[I.Pattern] || I.Pattern;
			}
		}
		styles[stag.ID] = stag;
	}

	/* TODO: there must exist some form of OSP-blessed spec */
	function parse_xlml_data(xml, ss, data, cell, base, styles, csty, row, arrayf, o, date1904) {
		var nf = "General", sid = cell.StyleID, S = {}; o = o || {};
		var interiors = [];
		var i = 0;
		if (sid === undefined && row) sid = row.StyleID;
		if (sid === undefined && csty) sid = csty.StyleID;
		while (styles[sid] !== undefined) {
			var ssid = styles[sid];
			if (ssid.nf) nf = ssid.nf;
			if (ssid.Interior) interiors.push(ssid.Interior);
			if (!ssid.Parent) break;
			sid = ssid.Parent;
		}
		switch (data.Type) {
			case 'Boolean':
				cell.t = 'b';
				cell.v = parsexmlbool(xml);
				break;
			case 'String':
				cell.t = 's'; cell.r = xlml_fixstr(unescapexml(xml));
				cell.v = (xml.indexOf("<") > -1 ? unescapexml(ss || xml).replace(/<[^<>]*>/g, "") : cell.r); // todo: BR etc
				break;
			case 'DateTime':
				if (xml.slice(-1) != "Z") xml += "Z";
				cell.v = datenum(parseDate(xml, date1904), date1904);
				if (cell.v !== cell.v) cell.v = unescapexml(xml);
				if (!nf || nf == "General") nf = "yyyy-mm-dd";
			/* falls through */
			case 'Number':
				if (cell.v === undefined) cell.v = +xml;
				if (!cell.t) cell.t = 'n';
				break;
			case 'Error': cell.t = 'e'; cell.v = RBErr[xml]; if (o.cellText !== false) cell.w = xml; break;
			default:
				if (xml == "" && ss == "") { cell.t = 'z'; }
				else { cell.t = 's'; cell.v = xlml_fixstr(ss || xml); }
				break;
		}
		safe_format_xlml(cell, nf, o, date1904);
		if (o.cellFormula !== false) {
			if (cell.Formula) {
				var fstr = unescapexml(cell.Formula);
				/* strictly speaking, the leading = is required but some writers omit */
				if (fstr.charCodeAt(0) == 61 /* = */) fstr = fstr.slice(1);
				cell.f = rc_to_a1(fstr, base);
				delete cell.Formula;
				if (cell.ArrayRange == "RC") cell.F = rc_to_a1("RC:RC", base);
				else if (cell.ArrayRange) {
					cell.F = rc_to_a1(cell.ArrayRange, base);
					arrayf.push([safe_decode_range(cell.F), cell.F]);
				}
			} else {
				for (i = 0; i < arrayf.length; ++i)
					if (base.r >= arrayf[i][0].s.r && base.r <= arrayf[i][0].e.r)
						if (base.c >= arrayf[i][0].s.c && base.c <= arrayf[i][0].e.c)
							cell.F = arrayf[i][1];
			}
		}
		if (o.cellStyles) {
			interiors.forEach(function (x) {
				if (!S.patternType && x.patternType) S.patternType = x.patternType;
			});
			cell.s = S;
		}
		if (cell.StyleID !== undefined) cell.ixfe = cell.StyleID;
	}

	function xlml_prefix_dname(dname) {
		return XLSLblBuiltIn.indexOf("_xlnm." + dname) > -1 ? "_xlnm." + dname : dname;
	}

	function xlml_clean_comment(comment) {
		comment.t = comment.v || "";
		comment.t = comment.t.replace(/\r\n/g, "\n").replace(/\r/g, "\n");
		comment.v = comment.w = comment.ixfe = undefined;
	}

	/* TODO: Everything */
	function parse_xlml_xml(d, _opts) {
		var opts = _opts || {};
		make_ssf();
		var str = debom(xlml_normalize(d));
		if (opts.type == 'binary' || opts.type == 'array' || opts.type == 'base64') {
			if (typeof $cptable !== 'undefined') str = $cptable.utils.decode(65001, char_codes(str));
			else str = utf8read(str);
		}
		var opening = str.slice(0, 1024).toLowerCase(), ishtml = false;
		opening = opening.replace(/".*?"/g, "");
		if ((opening.indexOf(">") & 1023) > Math.min((opening.indexOf(",") & 1023), (opening.indexOf(";") & 1023))) { var _o = dup(opts); _o.type = "string"; return PRN.to_workbook(str, _o); }
		if (opening.indexOf("<?xml") == -1) ["html", "table", "head", "meta", "script", "style", "div"].forEach(function (tag) { if (opening.indexOf("<" + tag) >= 0) ishtml = true; });
		if (ishtml) return html_to_workbook(str, opts);

		XLMLFormatMap = ({
			"General Number": "General",
			"General Date": table_fmt[22],
			"Long Date": "dddd, mmmm dd, yyyy",
			"Medium Date": table_fmt[15],
			"Short Date": table_fmt[14],
			"Long Time": table_fmt[19],
			"Medium Time": table_fmt[18],
			"Short Time": table_fmt[20],
			"Currency": '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',
			"Fixed": table_fmt[2],
			"Standard": table_fmt[4],
			"Percent": table_fmt[10],
			"Scientific": table_fmt[11],
			"Yes/No": '"Yes";"Yes";"No";@',
			"True/False": '"True";"True";"False";@',
			"On/Off": '"Yes";"Yes";"No";@'
		});


		var Rn;
		var state = [], tmp;
		if (DENSE != null && opts.dense == null) opts.dense = DENSE;
		var sheets = {}, sheetnames = [], cursheet = ({}), sheetname = ""; if (opts.dense) cursheet["!data"] = [];
		var cell = ({}), row = {};// eslint-disable-line no-unused-vars
		var dtag = xlml_parsexmltag('<Data ss:Type="String">'), didx = 0;
		var c = 0, r = 0;
		var refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };
		var styles = {}, stag = {};
		var ss = "", fidx = 0;
		var merges = [];
		var Props = {}, Custprops = {}, pidx = 0, cp = [];
		var comments = [], comment = ({});
		var cstys = [], csty, seencol = false;
		var arrayf = [];
		var rowinfo = [], rowobj = {}, cc = 0, rr = 0;
		var Workbook = ({ Sheets: [], WBProps: { date1904: false } }), wsprops = {};
		xlmlregex.lastIndex = 0;
		str = str_remove_ng(str, "<!--", "-->");
		var raw_Rn3 = "";
		while ((Rn = xlmlregex.exec(str))) switch ((Rn[3] = (raw_Rn3 = Rn[3]).toLowerCase())) {
			case 'data' /*case 'Data'*/:
				if (raw_Rn3 == "data") {
					if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
					else if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], true]);
					break;
				}
				if (state[state.length - 1][1]) break;
				if (Rn[1] === '/') parse_xlml_data(str.slice(didx, Rn.index), ss, dtag, state[state.length - 1][0] ==/*"Comment"*/"comment" ? comment : cell, { c: c, r: r }, styles, cstys[c], row, arrayf, opts, Workbook.WBProps.date1904);
				else { ss = ""; dtag = xlml_parsexmltag(Rn[0]); didx = Rn.index + Rn[0].length; }
				break;
			case 'cell' /*case 'Cell'*/:
				if (Rn[1] === '/') {
					if (comments.length > 0) cell.c = comments;
					if ((!opts.sheetRows || opts.sheetRows > r) && cell.v !== void 0) {
						if (opts.dense) {
							if (!cursheet["!data"][r]) cursheet["!data"][r] = [];
							cursheet["!data"][r][c] = cell;
						} else cursheet[encode_col(c) + encode_row(r)] = cell;
					}
					if (cell.HRef) {
						cell.l = ({ Target: unescapexml(cell.HRef) });
						if (cell.HRefScreenTip) cell.l.Tooltip = cell.HRefScreenTip;
						delete cell.HRef; delete cell.HRefScreenTip;
					}
					if (cell.MergeAcross || cell.MergeDown) {
						cc = c + (parseInt(cell.MergeAcross, 10) | 0);
						rr = r + (parseInt(cell.MergeDown, 10) | 0);
						if (cc > c || rr > r) merges.push({ s: { c: c, r: r }, e: { c: cc, r: rr } });
					}
					if (!opts.sheetStubs) { if (cell.MergeAcross) c = cc + 1; else ++c; }
					else if (cell.MergeAcross || cell.MergeDown) {
						for (var cma = c; cma <= cc; ++cma) {
							for (var cmd = r; cmd <= rr; ++cmd) {
								if (cma > c || cmd > r) {
									if (opts.dense) {
										if (!cursheet["!data"][cmd]) cursheet["!data"][cmd] = [];
										cursheet["!data"][cmd][cma] = { t: 'z' };
									} else cursheet[encode_col(cma) + encode_row(cmd)] = { t: 'z' };
								}
							}
						}
						c = cc + 1;
					}
					else ++c;
				} else {
					cell = xlml_parsexmltagobj(Rn[0]);
					if (cell.Index) c = +cell.Index - 1;
					if (c < refguess.s.c) refguess.s.c = c;
					if (c > refguess.e.c) refguess.e.c = c;
					if (Rn[0].slice(-2) === "/>") ++c;
					comments = [];
				}
				break;
			case 'row' /*case 'Row'*/:
				if (Rn[1] === '/' || Rn[0].slice(-2) === "/>") {
					if (r < refguess.s.r) refguess.s.r = r;
					if (r > refguess.e.r) refguess.e.r = r;
					if (Rn[0].slice(-2) === "/>") {
						row = xlml_parsexmltag(Rn[0]);
						if (row.Index) r = +row.Index - 1;
					}
					c = 0; ++r;
				} else {
					row = xlml_parsexmltag(Rn[0]);
					if (row.Index) r = +row.Index - 1;
					rowobj = {};
					if (row.AutoFitHeight == "0" || row.Height) {
						rowobj.hpx = parseInt(row.Height, 10); rowobj.hpt = px2pt(rowobj.hpx);
						rowinfo[r] = rowobj;
					}
					if (row.Hidden == "1") { rowobj.hidden = true; rowinfo[r] = rowobj; }
				}
				break;
			case 'worksheet' /*case 'Worksheet'*/: /* TODO: read range from FullRows/FullColumns */
				if (Rn[1] === '/') {
					if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|"));
					sheetnames.push(sheetname);
					if (refguess.s.r <= refguess.e.r && refguess.s.c <= refguess.e.c) {
						cursheet["!ref"] = encode_range(refguess);
						if (opts.sheetRows && opts.sheetRows <= refguess.e.r) {
							cursheet["!fullref"] = cursheet["!ref"];
							refguess.e.r = opts.sheetRows - 1;
							cursheet["!ref"] = encode_range(refguess);
						}
					}
					if (merges.length) cursheet["!merges"] = merges;
					if (cstys.length > 0) cursheet["!cols"] = cstys;
					if (rowinfo.length > 0) cursheet["!rows"] = rowinfo;
					sheets[sheetname] = cursheet;
				} else {
					refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };
					r = c = 0;
					state.push([Rn[3], false]);
					tmp = xlml_parsexmltag(Rn[0]);
					sheetname = unescapexml(tmp.Name);
					cursheet = ({}); if (opts.dense) cursheet["!data"] = [];
					merges = [];
					arrayf = [];
					rowinfo = [];
					wsprops = { name: sheetname, Hidden: 0 };
					Workbook.Sheets.push(wsprops);
				}
				break;
			case 'table' /*case 'Table'*/:
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else if (Rn[0].slice(-2) == "/>") break;
				else {
					state.push([Rn[3], false]);
					cstys = []; seencol = false;
				}
				break;

			case 'style' /*case 'Style'*/:
				if (Rn[1] === '/') process_style_xlml(styles, stag, opts);
				else stag = xlml_parsexmltag(Rn[0]);
				break;

			case 'numberformat' /*case 'NumberFormat'*/:
				stag.nf = unescapexml(xlml_parsexmltag(Rn[0]).Format || "General");
				if (XLMLFormatMap[stag.nf]) stag.nf = XLMLFormatMap[stag.nf];
				for (var ssfidx = 0; ssfidx != 0x188; ++ssfidx) if (table_fmt[ssfidx] == stag.nf) break;
				if (ssfidx == 0x188) for (ssfidx = 0x39; ssfidx != 0x188; ++ssfidx) if (table_fmt[ssfidx] == null) { SSF__load(stag.nf, ssfidx); break; }
				break;

			case 'column' /*case 'Column'*/:
				if (state[state.length - 1][0] !== /*'Table'*/'table') break;
				if (Rn[1] === '/') break;
				csty = xlml_parsexmltag(Rn[0]);
				if (csty.Hidden) { csty.hidden = true; delete csty.Hidden; }
				if (csty.Width) csty.wpx = parseInt(csty.Width, 10);
				if (!seencol && csty.wpx > 10) {
					seencol = true; MDW = DEF_MDW; //find_mdw_wpx(csty.wpx);
					for (var _col = 0; _col < cstys.length; ++_col) if (cstys[_col]) process_col(cstys[_col]);
				}
				if (seencol) process_col(csty);
				cstys[(csty.Index - 1 || cstys.length)] = csty;
				for (var i = 0; i < +csty.Span; ++i) cstys[cstys.length] = dup(csty);
				break;

			case 'namedrange' /*case 'NamedRange'*/:
				if (Rn[1] === '/') break;
				if (!Workbook.Names) Workbook.Names = [];
				var _NamedRange = parsexmltag(Rn[0]);
				var _DefinedName = ({
					Name: xlml_prefix_dname(_NamedRange.Name),
					Ref: rc_to_a1(_NamedRange.RefersTo.slice(1), { r: 0, c: 0 })
				});
				if (Workbook.Sheets.length > 0) _DefinedName.Sheet = Workbook.Sheets.length - 1;
				Workbook.Names.push(_DefinedName);
				break;

			case 'namedcell' /*case 'NamedCell'*/: break;
			case 'b' /*case 'B'*/: break;
			case 'i' /*case 'I'*/: break;
			case 'u' /*case 'U'*/: break;
			case 's' /*case 'S'*/: break;
			case 'em' /*case 'EM'*/: break;
			case 'h2' /*case 'H2'*/: break;
			case 'h3' /*case 'H3'*/: break;
			case 'sub' /*case 'Sub'*/: break;
			case 'sup' /*case 'Sup'*/: break;
			case 'span' /*case 'Span'*/: break;
			case 'alignment' /*case 'Alignment'*/:
				break;
			case 'borders' /*case 'Borders'*/: break;
			case 'border' /*case 'Border'*/: break;
			case 'font' /*case 'Font'*/:
				if (Rn[0].slice(-2) === "/>") break;
				else if (Rn[1] === "/") ss += str.slice(fidx, Rn.index);
				else fidx = Rn.index + Rn[0].length;
				break;
			case 'interior' /*case 'Interior'*/:
				if (!opts.cellStyles) break;
				stag.Interior = xlml_parsexmltag(Rn[0]);
				break;
			case 'protection' /*case 'Protection'*/: break;

			case 'author' /*case 'Author'*/:
			case 'title' /*case 'Title'*/:
			case 'description' /*case 'Description'*/:
			case 'created' /*case 'Created'*/:
			case 'keywords' /*case 'Keywords'*/:
			case 'subject' /*case 'Subject'*/:
			case 'category' /*case 'Category'*/:
			case 'company' /*case 'Company'*/:
			case 'lastauthor' /*case 'LastAuthor'*/:
			case 'lastsaved' /*case 'LastSaved'*/:
			case 'lastprinted' /*case 'LastPrinted'*/:
			case 'version' /*case 'Version'*/:
			case 'revision' /*case 'Revision'*/:
			case 'totaltime' /*case 'TotalTime'*/:
			case 'hyperlinkbase' /*case 'HyperlinkBase'*/:
			case 'manager' /*case 'Manager'*/:
			case 'contentstatus' /*case 'ContentStatus'*/:
			case 'identifier' /*case 'Identifier'*/:
			case 'language' /*case 'Language'*/:
			case 'appname' /*case 'AppName'*/:
				if (Rn[0].slice(-2) === "/>") break;
				else if (Rn[1] === "/") xlml_set_prop(Props, raw_Rn3, str.slice(pidx, Rn.index));
				else pidx = Rn.index + Rn[0].length;
				break;
			case 'paragraphs' /*case 'Paragraphs'*/: break;

			case 'styles' /*case 'Styles'*/:
			case 'workbook' /*case 'Workbook'*/:
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else state.push([Rn[3], false]);
				break;

			case 'comment' /*case 'Comment'*/:
				if (Rn[1] === '/') {
					if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|"));
					xlml_clean_comment(comment);
					comments.push(comment);
				} else {
					state.push([Rn[3], false]);
					tmp = xlml_parsexmltag(Rn[0]);
					if (!parsexmlbool(tmp["ShowAlways"] || "0")) comments.hidden = true;
					comment = ({ a: tmp.Author });
				}
				break;

			case 'autofilter' /*case 'AutoFilter'*/:
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
					var AutoFilter = xlml_parsexmltag(Rn[0]);
					cursheet['!autofilter'] = { ref: rc_to_a1(AutoFilter.Range).replace(/\$/g, "") };
					state.push([Rn[3], true]);
				}
				break;

			case 'name' /*case 'Name'*/: break;

			case 'datavalidation' /*case 'DataValidation'*/:
				if (Rn[1] === '/') {
					if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|"));
				} else {
					if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], true]);
				}
				break;

			case 'pixelsperinch' /*case 'PixelsPerInch'*/:
				break;
			case 'componentoptions' /*case 'ComponentOptions'*/:
			case 'documentproperties' /*case 'DocumentProperties'*/:
			case 'customdocumentproperties' /*case 'CustomDocumentProperties'*/:
			case 'officedocumentsettings' /*case 'OfficeDocumentSettings'*/:
			case 'pivottable' /*case 'PivotTable'*/:
			case 'pivotcache' /*case 'PivotCache'*/:
			case 'names' /*case 'Names'*/:
			case 'mapinfo' /*case 'MapInfo'*/:
			case 'pagebreaks' /*case 'PageBreaks'*/:
			case 'querytable' /*case 'QueryTable'*/:
			case 'sorting' /*case 'Sorting'*/:
			case 'schema' /*case 'Schema'*/: //case 'data' /*case 'data'*/:
			case 'conditionalformatting' /*case 'ConditionalFormatting'*/:
			case 'smarttagtype' /*case 'SmartTagType'*/:
			case 'smarttags' /*case 'SmartTags'*/:
			case 'excelworkbook' /*case 'ExcelWorkbook'*/:
			case 'workbookoptions' /*case 'WorkbookOptions'*/:
			case 'worksheetoptions' /*case 'WorksheetOptions'*/:
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], true]);
				break;

			case 'null' /*case 'Null'*/: break;

			default:
				/* FODS file root is <office:document> */
				if (state.length == 0 && Rn[3] == "document") return parse_fods(str, opts);
				/* UOS file root is <uof:UOF> */
				if (state.length == 0 && Rn[3] == "uof"/*"UOF"*/) return parse_fods(str, opts);

				var seen = true;
				switch (state[state.length - 1][0]) {
					/* OfficeDocumentSettings */
					case 'officedocumentsettings' /*case 'OfficeDocumentSettings'*/: switch (Rn[3]) {
						case 'allowpng' /*case 'AllowPNG'*/: break;
						case 'removepersonalinformation' /*case 'RemovePersonalInformation'*/: break;
						case 'downloadcomponents' /*case 'DownloadComponents'*/: break;
						case 'locationofcomponents' /*case 'LocationOfComponents'*/: break;
						case 'colors' /*case 'Colors'*/: break;
						case 'color' /*case 'Color'*/: break;
						case 'index' /*case 'Index'*/: break;
						case 'rgb' /*case 'RGB'*/: break;
						case 'targetscreensize' /*case 'TargetScreenSize'*/: break;
						case 'readonlyrecommended' /*case 'ReadOnlyRecommended'*/: break;
						default: seen = false;
					} break;

					/* ComponentOptions */
					case 'componentoptions' /*case 'ComponentOptions'*/: switch (Rn[3]) {
						case 'toolbar' /*case 'Toolbar'*/: break;
						case 'hideofficelogo' /*case 'HideOfficeLogo'*/: break;
						case 'spreadsheetautofit' /*case 'SpreadsheetAutoFit'*/: break;
						case 'label' /*case 'Label'*/: break;
						case 'caption' /*case 'Caption'*/: break;
						case 'maxheight' /*case 'MaxHeight'*/: break;
						case 'maxwidth' /*case 'MaxWidth'*/: break;
						case 'nextsheetnumber' /*case 'NextSheetNumber'*/: break;
						default: seen = false;
					} break;

					/* ExcelWorkbook */
					case 'excelworkbook' /*case 'ExcelWorkbook'*/: switch (Rn[3]) {
						case 'date1904' /*case 'Date1904'*/:
							Workbook.WBProps.date1904 = true;
							break;
						case 'hidehorizontalscrollbar' /*case 'HideHorizontalScrollBar'*/: break;
						case 'hideverticalscrollbar' /*case 'HideVerticalScrollBar'*/: break;
						case 'hideworkbooktabs' /*case 'HideWorkbookTabs'*/: break;
						case 'windowheight' /*case 'WindowHeight'*/: break;
						case 'windowwidth' /*case 'WindowWidth'*/: break;
						case 'windowtopx' /*case 'WindowTopX'*/: break;
						case 'windowtopy' /*case 'WindowTopY'*/: break;
						case 'tabratio' /*case 'TabRatio'*/: break;
						case 'protectstructure' /*case 'ProtectStructure'*/: break;
						case 'protectwindow' /*case 'ProtectWindow'*/: break;
						case 'protectwindows' /*case 'ProtectWindows'*/: break;
						case 'activesheet' /*case 'ActiveSheet'*/: break;
						case 'displayinknotes' /*case 'DisplayInkNotes'*/: break;
						case 'firstvisiblesheet' /*case 'FirstVisibleSheet'*/: break;
						case 'supbook' /*case 'SupBook'*/: break;
						case 'sheetname' /*case 'SheetName'*/: break;
						case 'sheetindex' /*case 'SheetIndex'*/: break;
						case 'sheetindexfirst' /*case 'SheetIndexFirst'*/: break;
						case 'sheetindexlast' /*case 'SheetIndexLast'*/: break;
						case 'dll' /*case 'Dll'*/: break;
						case 'acceptlabelsinformulas' /*case 'AcceptLabelsInFormulas'*/: break;
						case 'donotsavelinkvalues' /*case 'DoNotSaveLinkValues'*/: break;
						case 'iteration' /*case 'Iteration'*/: break;
						case 'maxiterations' /*case 'MaxIterations'*/: break;
						case 'maxchange' /*case 'MaxChange'*/: break;
						case 'path' /*case 'Path'*/: break;
						case 'xct' /*case 'Xct'*/: break;
						case 'count' /*case 'Count'*/: break;
						case 'selectedsheets' /*case 'SelectedSheets'*/: break;
						case 'calculation' /*case 'Calculation'*/: break;
						case 'uncalced' /*case 'Uncalced'*/: break;
						case 'startupprompt' /*case 'StartupPrompt'*/: break;
						case 'crn' /*case 'Crn'*/: break;
						case 'externname' /*case 'ExternName'*/: break;
						case 'formula' /*case 'Formula'*/: break;
						case 'colfirst' /*case 'ColFirst'*/: break;
						case 'collast' /*case 'ColLast'*/: break;
						case 'wantadvise' /*case 'WantAdvise'*/: break;
						case 'boolean' /*case 'Boolean'*/: break;
						case 'error' /*case 'Error'*/: break;
						case 'text' /*case 'Text'*/: break;
						case 'ole' /*case 'OLE'*/: break;
						case 'noautorecover' /*case 'NoAutoRecover'*/: break;
						case 'publishobjects' /*case 'PublishObjects'*/: break;
						case 'donotcalculatebeforesave' /*case 'DoNotCalculateBeforeSave'*/: break;
						case 'number' /*case 'Number'*/: break;
						case 'refmoder1c1' /*case 'RefModeR1C1'*/: break;
						case 'embedsavesmarttags' /*case 'EmbedSaveSmartTags'*/: break;
						default: seen = false;
					} break;

					/* WorkbookOptions */
					case 'workbookoptions' /*case 'WorkbookOptions'*/: switch (Rn[3]) {
						case 'owcversion' /*case 'OWCVersion'*/: break;
						case 'height' /*case 'Height'*/: break;
						case 'width' /*case 'Width'*/: break;
						default: seen = false;
					} break;

					/* WorksheetOptions */
					case 'worksheetoptions' /*case 'WorksheetOptions'*/: switch (Rn[3]) {
						case 'visible' /*case 'Visible'*/:
							if (Rn[0].slice(-2) === "/>") {/* empty */ }
							else if (Rn[1] === "/") switch (str.slice(pidx, Rn.index)) {
								case "SheetHidden": wsprops.Hidden = 1; break;
								case "SheetVeryHidden": wsprops.Hidden = 2; break;
							}
							else pidx = Rn.index + Rn[0].length;
							break;
						case 'header' /*case 'Header'*/:
							if (!cursheet['!margins']) default_margins(cursheet['!margins'] = {}, 'xlml');
							if (!isNaN(+parsexmltag(Rn[0]).Margin)) cursheet['!margins'].header = +parsexmltag(Rn[0]).Margin;
							break;
						case 'footer' /*case 'Footer'*/:
							if (!cursheet['!margins']) default_margins(cursheet['!margins'] = {}, 'xlml');
							if (!isNaN(+parsexmltag(Rn[0]).Margin)) cursheet['!margins'].footer = +parsexmltag(Rn[0]).Margin;
							break;
						case 'pagemargins' /*case 'PageMargins'*/:
							var pagemargins = parsexmltag(Rn[0]);
							if (!cursheet['!margins']) default_margins(cursheet['!margins'] = {}, 'xlml');
							if (!isNaN(+pagemargins.Top)) cursheet['!margins'].top = +pagemargins.Top;
							if (!isNaN(+pagemargins.Left)) cursheet['!margins'].left = +pagemargins.Left;
							if (!isNaN(+pagemargins.Right)) cursheet['!margins'].right = +pagemargins.Right;
							if (!isNaN(+pagemargins.Bottom)) cursheet['!margins'].bottom = +pagemargins.Bottom;
							break;
						case 'displayrighttoleft' /*case 'DisplayRightToLeft'*/:
							if (!Workbook.Views) Workbook.Views = [];
							if (!Workbook.Views[0]) Workbook.Views[0] = {};
							Workbook.Views[0].RTL = true;
							break;

						case 'freezepanes' /*case 'FreezePanes'*/: break;
						case 'frozennosplit' /*case 'FrozenNoSplit'*/: break;

						case 'splithorizontal' /*case 'SplitHorizontal'*/:
						case 'splitvertical' /*case 'SplitVertical'*/:
							break;

						case 'donotdisplaygridlines' /*case 'DoNotDisplayGridlines'*/:
							break;

						case 'activerow' /*case 'ActiveRow'*/: break;
						case 'activecol' /*case 'ActiveCol'*/: break;
						case 'toprowbottompane' /*case 'TopRowBottomPane'*/: break;
						case 'leftcolumnrightpane' /*case 'LeftColumnRightPane'*/: break;

						case 'unsynced' /*case 'Unsynced'*/: break;
						case 'print' /*case 'Print'*/: break;
						case 'printerrors' /*case 'PrintErrors'*/: break;
						case 'panes' /*case 'Panes'*/: break;
						case 'scale' /*case 'Scale'*/: break;
						case 'pane' /*case 'Pane'*/: break;
						case 'number' /*case 'Number'*/: break;
						case 'layout' /*case 'Layout'*/: break;
						case 'pagesetup' /*case 'PageSetup'*/: break;
						case 'selected' /*case 'Selected'*/: break;
						case 'protectobjects' /*case 'ProtectObjects'*/: break;
						case 'enableselection' /*case 'EnableSelection'*/: break;
						case 'protectscenarios' /*case 'ProtectScenarios'*/: break;
						case 'validprinterinfo' /*case 'ValidPrinterInfo'*/: break;
						case 'horizontalresolution' /*case 'HorizontalResolution'*/: break;
						case 'verticalresolution' /*case 'VerticalResolution'*/: break;
						case 'numberofcopies' /*case 'NumberofCopies'*/: break;
						case 'activepane' /*case 'ActivePane'*/: break;
						case 'toprowvisible' /*case 'TopRowVisible'*/: break;
						case 'leftcolumnvisible' /*case 'LeftColumnVisible'*/: break;
						case 'fittopage' /*case 'FitToPage'*/: break;
						case 'rangeselection' /*case 'RangeSelection'*/: break;
						case 'papersizeindex' /*case 'PaperSizeIndex'*/: break;
						case 'pagelayoutzoom' /*case 'PageLayoutZoom'*/: break;
						case 'pagebreakzoom' /*case 'PageBreakZoom'*/: break;
						case 'filteron' /*case 'FilterOn'*/: break;
						case 'fitwidth' /*case 'FitWidth'*/: break;
						case 'fitheight' /*case 'FitHeight'*/: break;
						case 'commentslayout' /*case 'CommentsLayout'*/: break;
						case 'zoom' /*case 'Zoom'*/: break;
						case 'lefttoright' /*case 'LeftToRight'*/: break;
						case 'gridlines' /*case 'Gridlines'*/: break;
						case 'allowsort' /*case 'AllowSort'*/: break;
						case 'allowfilter' /*case 'AllowFilter'*/: break;
						case 'allowinsertrows' /*case 'AllowInsertRows'*/: break;
						case 'allowdeleterows' /*case 'AllowDeleteRows'*/: break;
						case 'allowinsertcols' /*case 'AllowInsertCols'*/: break;
						case 'allowdeletecols' /*case 'AllowDeleteCols'*/: break;
						case 'allowinserthyperlinks' /*case 'AllowInsertHyperlinks'*/: break;
						case 'allowformatcells' /*case 'AllowFormatCells'*/: break;
						case 'allowsizecols' /*case 'AllowSizeCols'*/: break;
						case 'allowsizerows' /*case 'AllowSizeRows'*/: break;
						case 'nosummaryrowsbelowdetail' /*case 'NoSummaryRowsBelowDetail'*/:
							if (!cursheet["!outline"]) cursheet["!outline"] = {};
							cursheet["!outline"].above = true;
							break;
						case 'tabcolorindex' /*case 'TabColorIndex'*/: break;
						case 'donotdisplayheadings' /*case 'DoNotDisplayHeadings'*/: break;
						case 'showpagelayoutzoom' /*case 'ShowPageLayoutZoom'*/: break;
						case 'nosummarycolumnsrightdetail' /*case 'NoSummaryColumnsRightDetail'*/:
							if (!cursheet["!outline"]) cursheet["!outline"] = {};
							cursheet["!outline"].left = true;
							break;
						case 'blackandwhite' /*case 'BlackAndWhite'*/: break;
						case 'donotdisplayzeros' /*case 'DoNotDisplayZeros'*/: break;
						case 'displaypagebreak' /*case 'DisplayPageBreak'*/: break;
						case 'rowcolheadings' /*case 'RowColHeadings'*/: break;
						case 'donotdisplayoutline' /*case 'DoNotDisplayOutline'*/: break;
						case 'noorientation' /*case 'NoOrientation'*/: break;
						case 'allowusepivottables' /*case 'AllowUsePivotTables'*/: break;
						case 'zeroheight' /*case 'ZeroHeight'*/: break;
						case 'viewablerange' /*case 'ViewableRange'*/: break;
						case 'selection' /*case 'Selection'*/: break;
						case 'protectcontents' /*case 'ProtectContents'*/: break;
						default: seen = false;
					} break;

					/* PivotTable */
					case 'pivottable' /*case 'PivotTable'*/: case 'pivotcache' /*case 'PivotCache'*/: switch (Rn[3]) {
						case 'immediateitemsondrop' /*case 'ImmediateItemsOnDrop'*/: break;
						case 'showpagemultipleitemlabel' /*case 'ShowPageMultipleItemLabel'*/: break;
						case 'compactrowindent' /*case 'CompactRowIndent'*/: break;
						case 'location' /*case 'Location'*/: break;
						case 'pivotfield' /*case 'PivotField'*/: break;
						case 'orientation' /*case 'Orientation'*/: break;
						case 'layoutform' /*case 'LayoutForm'*/: break;
						case 'layoutsubtotallocation' /*case 'LayoutSubtotalLocation'*/: break;
						case 'layoutcompactrow' /*case 'LayoutCompactRow'*/: break;
						case 'position' /*case 'Position'*/: break;
						case 'pivotitem' /*case 'PivotItem'*/: break;
						case 'datatype' /*case 'DataType'*/: break;
						case 'datafield' /*case 'DataField'*/: break;
						case 'sourcename' /*case 'SourceName'*/: break;
						case 'parentfield' /*case 'ParentField'*/: break;
						case 'ptlineitems' /*case 'PTLineItems'*/: break;
						case 'ptlineitem' /*case 'PTLineItem'*/: break;
						case 'countofsameitems' /*case 'CountOfSameItems'*/: break;
						case 'item' /*case 'Item'*/: break;
						case 'itemtype' /*case 'ItemType'*/: break;
						case 'ptsource' /*case 'PTSource'*/: break;
						case 'cacheindex' /*case 'CacheIndex'*/: break;
						case 'consolidationreference' /*case 'ConsolidationReference'*/: break;
						case 'filename' /*case 'FileName'*/: break;
						case 'reference' /*case 'Reference'*/: break;
						case 'nocolumngrand' /*case 'NoColumnGrand'*/: break;
						case 'norowgrand' /*case 'NoRowGrand'*/: break;
						case 'blanklineafteritems' /*case 'BlankLineAfterItems'*/: break;
						case 'hidden' /*case 'Hidden'*/: break;
						case 'subtotal' /*case 'Subtotal'*/: break;
						case 'basefield' /*case 'BaseField'*/: break;
						case 'mapchilditems' /*case 'MapChildItems'*/: break;
						case 'function' /*case 'Function'*/: break;
						case 'refreshonfileopen' /*case 'RefreshOnFileOpen'*/: break;
						case 'printsettitles' /*case 'PrintSetTitles'*/: break;
						case 'mergelabels' /*case 'MergeLabels'*/: break;
						case 'defaultversion' /*case 'DefaultVersion'*/: break;
						case 'refreshname' /*case 'RefreshName'*/: break;
						case 'refreshdate' /*case 'RefreshDate'*/: break;
						case 'refreshdatecopy' /*case 'RefreshDateCopy'*/: break;
						case 'versionlastrefresh' /*case 'VersionLastRefresh'*/: break;
						case 'versionlastupdate' /*case 'VersionLastUpdate'*/: break;
						case 'versionupdateablemin' /*case 'VersionUpdateableMin'*/: break;
						case 'versionrefreshablemin' /*case 'VersionRefreshableMin'*/: break;
						case 'calculation' /*case 'Calculation'*/: break;
						default: seen = false;
					} break;

					/* PageBreaks */
					case 'pagebreaks' /*case 'PageBreaks'*/: switch (Rn[3]) {
						case 'colbreaks' /*case 'ColBreaks'*/: break;
						case 'colbreak' /*case 'ColBreak'*/: break;
						case 'rowbreaks' /*case 'RowBreaks'*/: break;
						case 'rowbreak' /*case 'RowBreak'*/: break;
						case 'colstart' /*case 'ColStart'*/: break;
						case 'colend' /*case 'ColEnd'*/: break;
						case 'rowend' /*case 'RowEnd'*/: break;
						default: seen = false;
					} break;

					/* AutoFilter */
					case 'autofilter' /*case 'AutoFilter'*/: switch (Rn[3]) {
						case 'autofiltercolumn' /*case 'AutoFilterColumn'*/: break;
						case 'autofiltercondition' /*case 'AutoFilterCondition'*/: break;
						case 'autofilterand' /*case 'AutoFilterAnd'*/: break;
						case 'autofilteror' /*case 'AutoFilterOr'*/: break;
						default: seen = false;
					} break;

					/* QueryTable */
					case 'querytable' /*case 'QueryTable'*/: switch (Rn[3]) {
						case 'id' /*case 'Id'*/: break;
						case 'autoformatfont' /*case 'AutoFormatFont'*/: break;
						case 'autoformatpattern' /*case 'AutoFormatPattern'*/: break;
						case 'querysource' /*case 'QuerySource'*/: break;
						case 'querytype' /*case 'QueryType'*/: break;
						case 'enableredirections' /*case 'EnableRedirections'*/: break;
						case 'refreshedinxl9' /*case 'RefreshedInXl9'*/: break;
						case 'urlstring' /*case 'URLString'*/: break;
						case 'htmltables' /*case 'HTMLTables'*/: break;
						case 'connection' /*case 'Connection'*/: break;
						case 'commandtext' /*case 'CommandText'*/: break;
						case 'refreshinfo' /*case 'RefreshInfo'*/: break;
						case 'notitles' /*case 'NoTitles'*/: break;
						case 'nextid' /*case 'NextId'*/: break;
						case 'columninfo' /*case 'ColumnInfo'*/: break;
						case 'overwritecells' /*case 'OverwriteCells'*/: break;
						case 'donotpromptforfile' /*case 'DoNotPromptForFile'*/: break;
						case 'textwizardsettings' /*case 'TextWizardSettings'*/: break;
						case 'source' /*case 'Source'*/: break;
						case 'number' /*case 'Number'*/: break;
						case 'decimal' /*case 'Decimal'*/: break;
						case 'thousandseparator' /*case 'ThousandSeparator'*/: break;
						case 'trailingminusnumbers' /*case 'TrailingMinusNumbers'*/: break;
						case 'formatsettings' /*case 'FormatSettings'*/: break;
						case 'fieldtype' /*case 'FieldType'*/: break;
						case 'delimiters' /*case 'Delimiters'*/: break;
						case 'tab' /*case 'Tab'*/: break;
						case 'comma' /*case 'Comma'*/: break;
						case 'autoformatname' /*case 'AutoFormatName'*/: break;
						case 'versionlastedit' /*case 'VersionLastEdit'*/: break;
						case 'versionlastrefresh' /*case 'VersionLastRefresh'*/: break;
						default: seen = false;
					} break;

					case 'datavalidation' /*case 'DataValidation'*/:
						switch (Rn[3]) {
							case 'range' /*case 'Range'*/: break;

							case 'type' /*case 'Type'*/: break;
							case 'min' /*case 'Min'*/: break;
							case 'max' /*case 'Max'*/: break;
							case 'sort' /*case 'Sort'*/: break;
							case 'descending' /*case 'Descending'*/: break;
							case 'order' /*case 'Order'*/: break;
							case 'casesensitive' /*case 'CaseSensitive'*/: break;
							case 'value' /*case 'Value'*/: break;
							case 'errorstyle' /*case 'ErrorStyle'*/: break;
							case 'errormessage' /*case 'ErrorMessage'*/: break;
							case 'errortitle' /*case 'ErrorTitle'*/: break;
							case 'inputmessage' /*case 'InputMessage'*/: break;
							case 'inputtitle' /*case 'InputTitle'*/: break;
							case 'combohide' /*case 'ComboHide'*/: break;
							case 'inputhide' /*case 'InputHide'*/: break;
							case 'condition' /*case 'Condition'*/: break;
							case 'qualifier' /*case 'Qualifier'*/: break;
							case 'useblank' /*case 'UseBlank'*/: break;
							case 'value1' /*case 'Value1'*/: break;
							case 'value2' /*case 'Value2'*/: break;
							case 'format' /*case 'Format'*/: break;

							case 'cellrangelist' /*case 'CellRangeList'*/: break;
							default: seen = false;
						} break;

					case 'sorting' /*case 'Sorting'*/:
					case 'conditionalformatting' /*case 'ConditionalFormatting'*/:
						switch (Rn[3]) {
							case 'range' /*case 'Range'*/: break;
							case 'type' /*case 'Type'*/: break;
							case 'min' /*case 'Min'*/: break;
							case 'max' /*case 'Max'*/: break;
							case 'sort' /*case 'Sort'*/: break;
							case 'descending' /*case 'Descending'*/: break;
							case 'order' /*case 'Order'*/: break;
							case 'casesensitive' /*case 'CaseSensitive'*/: break;
							case 'value' /*case 'Value'*/: break;
							case 'errorstyle' /*case 'ErrorStyle'*/: break;
							case 'errormessage' /*case 'ErrorMessage'*/: break;
							case 'errortitle' /*case 'ErrorTitle'*/: break;
							case 'cellrangelist' /*case 'CellRangeList'*/: break;
							case 'inputmessage' /*case 'InputMessage'*/: break;
							case 'inputtitle' /*case 'InputTitle'*/: break;
							case 'combohide' /*case 'ComboHide'*/: break;
							case 'inputhide' /*case 'InputHide'*/: break;
							case 'condition' /*case 'Condition'*/: break;
							case 'qualifier' /*case 'Qualifier'*/: break;
							case 'useblank' /*case 'UseBlank'*/: break;
							case 'value1' /*case 'Value1'*/: break;
							case 'value2' /*case 'Value2'*/: break;
							case 'format' /*case 'Format'*/: break;
							default: seen = false;
						} break;

					/* MapInfo (schema) */
					case 'mapinfo' /*case 'MapInfo'*/: case 'schema' /*case 'Schema'*/: case 'data' /*case 'data'*/: switch (Rn[3]) {
						case 'map' /*case 'Map'*/: break;
						case 'entry' /*case 'Entry'*/: break;
						case 'range' /*case 'Range'*/: break;
						case 'xpath' /*case 'XPath'*/: break;
						case 'field' /*case 'Field'*/: break;
						case 'xsdtype' /*case 'XSDType'*/: break;
						case 'filteron' /*case 'FilterOn'*/: break;
						case 'aggregate' /*case 'Aggregate'*/: break;
						case 'elementtype' /*case 'ElementType'*/: break;
						case 'attributetype' /*case 'AttributeType'*/: break;
						/* These are from xsd (XML Schema Definition) */
						case 'schema' /*case 'schema'*/:
						case 'element' /*case 'element'*/:
						case 'complextype' /*case 'complexType'*/:
						case 'datatype' /*case 'datatype'*/:
						case 'all' /*case 'all'*/:
						case 'attribute' /*case 'attribute'*/:
						case 'extends' /*case 'extends'*/: break;

						case 'row' /*case 'row'*/: break;
						default: seen = false;
					} break;

					/* SmartTags (can be anything) */
					case 'smarttags' /*case 'SmartTags'*/: break;

					default: seen = false; break;
				}
				if (seen) break;
				/* CustomDocumentProperties */
				if (Rn[3].match(/!\[CDATA/)) break;
				if (!state[state.length - 1][1]) throw 'Unrecognized tag: ' + Rn[3] + "|" + state.join("|");
				if (state[state.length - 1][0] ===/*'CustomDocumentProperties'*/'customdocumentproperties') {
					if (Rn[0].slice(-2) === "/>") break;
					else if (Rn[1] === "/") xlml_set_custprop(Custprops, raw_Rn3, cp, str.slice(pidx, Rn.index));
					else { cp = Rn; pidx = Rn.index + Rn[0].length; }
					break;
				}
				if (opts.WTF) throw 'Unrecognized tag: ' + Rn[3] + "|" + state.join("|");
		}
		var out = ({});
		if (!opts.bookSheets && !opts.bookProps) out.Sheets = sheets;
		out.SheetNames = sheetnames;
		out.Workbook = Workbook;
		out.SSF = dup(table_fmt);
		out.Props = Props;
		out.Custprops = Custprops;
		out.bookType = "xlml";
		return out;
	}

	function parse_xlml(data, opts) {
		fix_read_opts(opts = opts || {});
		switch (opts.type || "base64") {
			case "base64": return parse_xlml_xml(Base64_decode(data), opts);
			case "binary": case "buffer": case "file": return parse_xlml_xml(data, opts);
			case "array": return parse_xlml_xml(a2s(data), opts);
		}
	}

	/* TODO */
	function write_props_xlml(wb, opts) {
		var o = [];
		/* DocumentProperties */
		if (wb.Props) o.push(xlml_write_docprops(wb.Props, opts));
		/* CustomDocumentProperties */
		if (wb.Custprops) o.push(xlml_write_custprops(wb.Props, wb.Custprops, opts));
		return o.join("");
	}
	/* TODO */
	function write_wb_xlml(wb) {
		/* OfficeDocumentSettings */
		/* ExcelWorkbook */
		if ((((wb || {}).Workbook || {}).WBProps || {}).date1904) return '<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel"><Date1904/></ExcelWorkbook>';
		return "";
	}
	/* TODO */
	function write_sty_xlml(wb, opts) {
		/* Styles */
		var styles = ['<Style ss:ID="Default" ss:Name="Normal"><NumberFormat/></Style>'];
		opts.cellXfs.forEach(function (xf, id) {
			var payload = [];
			payload.push(writextag('NumberFormat', null, { "ss:Format": escapexml(table_fmt[xf.numFmtId]) }));

			var o = { "ss:ID": "s" + (21 + id) };
			styles.push(writextag('Style', payload.join(""), o));
		});
		return writextag("Styles", styles.join(""));
	}
	function write_name_xlml(n) { return writextag("NamedRange", null, { "ss:Name": n.Name.slice(0, 6) == "_xlnm." ? n.Name.slice(6) : n.Name, "ss:RefersTo": "=" + a1_to_rc(n.Ref, { r: 0, c: 0 }) }); }
	function write_names_xlml(wb) {
		if (!((wb || {}).Workbook || {}).Names) return "";
		var names = wb.Workbook.Names;
		var out = [];
		for (var i = 0; i < names.length; ++i) {
			var n = names[i];
			if (n.Sheet != null) continue;
			if (n.Name.match(/^_xlfn\./)) continue;
			out.push(write_name_xlml(n));
		}
		return writextag("Names", out.join(""));
	}
	function write_ws_xlml_names(ws, opts, idx, wb) {
		if (!ws) return "";
		if (!((wb || {}).Workbook || {}).Names) return "";
		var names = wb.Workbook.Names;
		var out = [];
		for (var i = 0; i < names.length; ++i) {
			var n = names[i];
			if (n.Sheet != idx) continue;
			/*switch(n.Name) {
				case "_": continue;
			}*/
			if (n.Name.match(/^_xlfn\./)) continue;
			out.push(write_name_xlml(n));
		}
		return out.join("");
	}
	/* WorksheetOptions */
	function write_ws_xlml_wsopts(ws, opts, idx, wb) {
		if (!ws) return "";
		var o = [];
		/* NOTE: spec technically allows any order, but stick with implied order */

		/* FitToPage */
		/* DoNotDisplayColHeaders */
		/* DoNotDisplayRowHeaders */
		/* ViewableRange */
		/* Selection */
		/* GridlineColor */
		/* Name */
		/* ExcelWorksheetType */
		/* IntlMacro */
		/* Unsynced */
		/* Selected */
		/* CodeName */

		if (ws['!margins']) {
			o.push("<PageSetup>");
			if (ws['!margins'].header) o.push(writextag("Header", null, { 'x:Margin': ws['!margins'].header }));
			if (ws['!margins'].footer) o.push(writextag("Footer", null, { 'x:Margin': ws['!margins'].footer }));
			o.push(writextag("PageMargins", null, {
				'x:Bottom': ws['!margins'].bottom || "0.75",
				'x:Left': ws['!margins'].left || "0.7",
				'x:Right': ws['!margins'].right || "0.7",
				'x:Top': ws['!margins'].top || "0.75"
			}));
			o.push("</PageSetup>");
		}

		/* PageSetup */
		/* DisplayPageBreak */
		/* TransitionExpressionEvaluation */
		/* TransitionFormulaEntry */
		/* Print */
		/* Zoom */
		/* PageLayoutZoom */
		/* PageBreakZoom */
		/* ShowPageBreakZoom */
		/* DefaultRowHeight */
		/* DefaultColumnWidth */
		/* StandardWidth */

		if (wb && wb.Workbook && wb.Workbook.Sheets && wb.Workbook.Sheets[idx]) {
			/* Visible */
			if (wb.Workbook.Sheets[idx].Hidden) o.push(writextag("Visible", (wb.Workbook.Sheets[idx].Hidden == 1 ? "SheetHidden" : "SheetVeryHidden"), {}));
			else {
				/* Selected */
				for (var i = 0; i < idx; ++i) if (wb.Workbook.Sheets[i] && !wb.Workbook.Sheets[i].Hidden) break;
				if (i == idx) o.push("<Selected/>");
			}
		}

		/* LeftColumnVisible */

		if (((((wb || {}).Workbook || {}).Views || [])[0] || {}).RTL) o.push("<DisplayRightToLeft/>");

		/* GridlineColorIndex */
		/* DisplayFormulas */
		/* DoNotDisplayGridlines */
		/* DoNotDisplayHeadings */
		/* DoNotDisplayOutline */
		/* ApplyAutomaticOutlineStyles */
		/* NoSummaryRowsBelowDetail */
		/* NoSummaryColumnsRightDetail */
		/* DoNotDisplayZeros */
		/* ActiveRow */
		/* ActiveColumn */
		/* FilterOn */
		/* RangeSelection */
		/* TopRowVisible */
		/* TopRowBottomPane */
		/* LeftColumnRightPane */
		/* ActivePane */
		/* SplitHorizontal */
		/* SplitVertical */
		/* FreezePanes */
		/* FrozenNoSplit */
		/* TabColorIndex */
		/* Panes */

		/* NOTE: Password not supported in XLML Format */
		if (ws['!protect']) {
			o.push(writetag("ProtectContents", "True"));
			if (ws['!protect'].objects) o.push(writetag("ProtectObjects", "True"));
			if (ws['!protect'].scenarios) o.push(writetag("ProtectScenarios", "True"));
			if (ws['!protect'].selectLockedCells != null && !ws['!protect'].selectLockedCells) o.push(writetag("EnableSelection", "NoSelection"));
			else if (ws['!protect'].selectUnlockedCells != null && !ws['!protect'].selectUnlockedCells) o.push(writetag("EnableSelection", "UnlockedCells"));
			[
				["formatCells", "AllowFormatCells"],
				["formatColumns", "AllowSizeCols"],
				["formatRows", "AllowSizeRows"],
				["insertColumns", "AllowInsertCols"],
				["insertRows", "AllowInsertRows"],
				["insertHyperlinks", "AllowInsertHyperlinks"],
				["deleteColumns", "AllowDeleteCols"],
				["deleteRows", "AllowDeleteRows"],
				["sort", "AllowSort"],
				["autoFilter", "AllowFilter"],
				["pivotTables", "AllowUsePivotTables"]
			].forEach(function (x) { if (ws['!protect'][x[0]]) o.push("<" + x[1] + "/>"); });
		}

		if (o.length == 0) return "";
		return writextag("WorksheetOptions", o.join(""), { xmlns: XLMLNS.x });
	}
	function write_ws_xlml_comment(comments) {
		/* TODO: test multiple comments */
		return comments.map(function (c) {
			// TODO: formatted text
			var t = xlml_unfixstr(c.t || "");
			var d = writextag("ss:Data", t, { "xmlns": "http://www.w3.org/TR/REC-html40" });
			var p = {};
			if (c.a) p["ss:Author"] = c.a;
			if (!comments.hidden) p["ss:ShowAlways"] = "1";
			return writextag("Comment", d, p);
		}).join("");
	}
	function write_ws_xlml_cell(cell, ref, ws, opts, idx, wb, addr) {
		if (!cell || (cell.v == undefined && cell.f == undefined)) return "";

		var attr = {};
		if (cell.f) attr["ss:Formula"] = "=" + escapexml(a1_to_rc(cell.f, addr));
		if (cell.F && cell.F.slice(0, ref.length) == ref) {
			var end = decode_cell(cell.F.slice(ref.length + 1));
			attr["ss:ArrayRange"] = "RC:R" + (end.r == addr.r ? "" : "[" + (end.r - addr.r) + "]") + "C" + (end.c == addr.c ? "" : "[" + (end.c - addr.c) + "]");
		}

		if (cell.l && cell.l.Target) {
			attr["ss:HRef"] = escapexml(cell.l.Target);
			if (cell.l.Tooltip) attr["x:HRefScreenTip"] = escapexml(cell.l.Tooltip);
		}

		if (ws['!merges']) {
			var marr = ws['!merges'];
			for (var mi = 0; mi != marr.length; ++mi) {
				if (marr[mi].s.c != addr.c || marr[mi].s.r != addr.r) continue;
				if (marr[mi].e.c > marr[mi].s.c) attr['ss:MergeAcross'] = marr[mi].e.c - marr[mi].s.c;
				if (marr[mi].e.r > marr[mi].s.r) attr['ss:MergeDown'] = marr[mi].e.r - marr[mi].s.r;
			}
		}

		var t = "", p = "";
		switch (cell.t) {
			case 'z': if (!opts.sheetStubs) return ""; break;
			case 'n': {
				if (!isFinite(cell.v)) {
					t = 'Error'; p = BErr[isNaN(cell.v) ? 0x24 : 0x07];
				} else {
					t = 'Number'; p = String(cell.v);
				}
			} break;
			case 'b': t = 'Boolean'; p = (cell.v ? "1" : "0"); break;
			case 'e': t = 'Error'; p = BErr[cell.v]; break;
			case 'd': t = 'DateTime'; p = new Date(cell.v).toISOString(); if (cell.z == null) cell.z = cell.z || table_fmt[14]; break;
			case 's': t = 'String'; p = escapexlml(cell.v || ""); break;
		}
		/* TODO: cell style */
		var os = get_cell_style(opts.cellXfs, cell, opts);
		attr["ss:StyleID"] = "s" + (21 + os);
		attr["ss:Index"] = addr.c + 1;
		var _v = (cell.v != null ? p : "");
		var m = cell.t == 'z' ? "" : ('<Data ss:Type="' + t + '">' + _v + '</Data>');

		if ((cell.c || []).length > 0) m += write_ws_xlml_comment(cell.c);

		return writextag("Cell", m, attr);
	}
	function write_ws_xlml_row(R, row) {
		var o = '<Row ss:Index="' + (R + 1) + '"';
		if (row) {
			if (row.hpt && !row.hpx) row.hpx = pt2px(row.hpt);
			if (row.hpx) o += ' ss:AutoFitHeight="0" ss:Height="' + row.hpx + '"';
			if (row.hidden) o += ' ss:Hidden="1"';
		}
		return o + '>';
	}
	/* TODO */
	function write_ws_xlml_table(ws, opts, idx, wb) {
		if (!ws['!ref']) return "";
		var range = safe_decode_range(ws['!ref']);
		var marr = ws['!merges'] || [], mi = 0;
		var o = [];
		if (ws['!cols']) ws['!cols'].forEach(function (n, i) {
			process_col(n);
			var w = !!n.width;
			var p = col_obj_w(i, n);
			var k = { "ss:Index": i + 1 };
			if (w) k['ss:Width'] = width2px(p.width);
			if (n.hidden) k['ss:Hidden'] = "1";
			o.push(writextag("Column", null, k));
		});
		var dense = ws["!data"] != null;
		var addr = { r: 0, c: 0 };
		for (var R = range.s.r; R <= range.e.r; ++R) {
			var row = [write_ws_xlml_row(R, (ws['!rows'] || [])[R])];
			addr.r = R;
			for (var C = range.s.c; C <= range.e.c; ++C) {
				addr.c = C;
				var skip = false;
				for (mi = 0; mi != marr.length; ++mi) {
					if (marr[mi].s.c > C) continue;
					if (marr[mi].s.r > R) continue;
					if (marr[mi].e.c < C) continue;
					if (marr[mi].e.r < R) continue;
					if (marr[mi].s.c != C || marr[mi].s.r != R) skip = true;
					break;
				}
				if (skip) continue;
				var ref = encode_col(C) + encode_row(R), cell = dense ? (ws["!data"][R] || [])[C] : ws[ref];
				row.push(write_ws_xlml_cell(cell, ref, ws, opts, idx, wb, addr));
			}
			row.push("</Row>");
			if (row.length > 2) o.push(row.join(""));
		}
		return o.join("");
	}
	function write_ws_xlml(idx, opts, wb) {
		var o = [];
		var s = wb.SheetNames[idx];
		var ws = wb.Sheets[s];

		var t = ws ? write_ws_xlml_names(ws, opts, idx, wb) : "";
		if (t.length > 0) o.push("<Names>" + t + "</Names>");

		/* Table */
		t = ws ? write_ws_xlml_table(ws, opts, idx, wb) : "";
		if (t.length > 0) o.push("<Table>" + t + "</Table>");

		/* WorksheetOptions */
		o.push(write_ws_xlml_wsopts(ws, opts, idx, wb));

		if (ws && ws["!autofilter"]) o.push('<AutoFilter x:Range="' + a1_to_rc(fix_range(ws["!autofilter"].ref), { r: 0, c: 0 }) + '" xmlns="urn:schemas-microsoft-com:office:excel"></AutoFilter>');

		return o.join("");
	}
	function write_xlml(wb, opts) {
		if (!opts) opts = {};
		if (!wb.SSF) wb.SSF = dup(table_fmt);
		if (wb.SSF) {
			make_ssf(); SSF_load_table(wb.SSF);
			// $FlowIgnore
			opts.revssf = evert_num(wb.SSF); opts.revssf[wb.SSF[65535]] = 0;
			opts.ssf = wb.SSF;
			opts.cellXfs = [];
			get_cell_style(opts.cellXfs, {}, { revssf: { "General": 0 } });
		}
		var d = [];
		d.push(write_props_xlml(wb, opts));
		d.push(write_wb_xlml(wb, opts));
		d.push("");
		d.push(write_names_xlml(wb, opts));
		for (var i = 0; i < wb.SheetNames.length; ++i)
			d.push(writextag("Worksheet", write_ws_xlml(i, opts, wb), { "ss:Name": escapexml(wb.SheetNames[i]) }));
		d[2] = write_sty_xlml(wb, opts);
		return XML_HEADER + writextag("Workbook", d.join(""), {
			'xmlns': XLMLNS.ss,
			'xmlns:o': XLMLNS.o,
			'xmlns:x': XLMLNS.x,
			'xmlns:ss': XLMLNS.ss,
			'xmlns:dt': XLMLNS.dt,
			'xmlns:html': XLMLNS.html
		});
	}
	/* [MS-OLEDS] 2.3.8 CompObjStream */
	function parse_compobj(obj) {
		var v = {};
		var o = obj.content;
		/* [MS-OLEDS] 2.3.7 CompObjHeader -- All fields MUST be ignored */
		o.l = 28;

		v.AnsiUserType = o.read_shift(0, "lpstr-ansi");
		v.AnsiClipboardFormat = parse_ClipboardFormatOrAnsiString(o);

		if (o.length - o.l <= 4) return v;

		var m = o.read_shift(4);
		if (m == 0 || m > 40) return v;
		o.l -= 4; v.Reserved1 = o.read_shift(0, "lpstr-ansi");

		if (o.length - o.l <= 4) return v;
		m = o.read_shift(4);
		if (m !== 0x71b239f4) return v;
		v.UnicodeClipboardFormat = parse_ClipboardFormatOrUnicodeString(o);

		m = o.read_shift(4);
		if (m == 0 || m > 40) return v;
		o.l -= 4; v.Reserved2 = o.read_shift(0, "lpwstr");
	}

	/*
		Continue logic for:
		- 2.4.58 Continue          0x003c
		- 2.4.59 ContinueBigName   0x043c
		- 2.4.60 ContinueFrt       0x0812
		- 2.4.61 ContinueFrt11     0x0875
		- 2.4.62 ContinueFrt12     0x087f
	*/
	var CONTINUE_RT = [0x003c, 0x043c, 0x0812, 0x0875, 0x087f];
	function slurp(RecordType, R, blob, length, opts) {
		var l = length;
		var bufs = [];
		var d = blob.slice(blob.l, blob.l + l);
		if (opts && opts.enc && opts.enc.insitu && d.length > 0) switch (RecordType) {
			case 0x0009: case 0x0209: case 0x0409: case 0x0809/* BOF */: case 0x002F /* FilePass */: case 0x0195 /* FileLock */: case 0x00E1 /* InterfaceHdr */: case 0x0196 /* RRDInfo */: case 0x0138 /* RRDHead */: case 0x0194 /* UsrExcl */: case 0x000a /* EOF */:
				break;
			case 0x0085 /* BoundSheet8 */:
				break;
			default:
				opts.enc.insitu(d);
		}
		bufs.push(d);
		blob.l += l;
		var nextrt = __readUInt16LE(blob, blob.l), next = XLSRecordEnum[nextrt];
		var start = 0;
		while (next != null && CONTINUE_RT.indexOf(nextrt) > -1) {
			l = __readUInt16LE(blob, blob.l + 2);
			start = blob.l + 4;
			if (nextrt == 0x0812 /* ContinueFrt */) start += 4;
			else if (nextrt == 0x0875 || nextrt == 0x087f) {
				start += 12;
			}
			d = blob.slice(start, blob.l + 4 + l);
			bufs.push(d);
			blob.l += 4 + l;
			next = (XLSRecordEnum[nextrt = __readUInt16LE(blob, blob.l)]);
		}
		var b = (bconcat(bufs));
		prep_blob(b, 0);
		var ll = 0; b.lens = [];
		for (var j = 0; j < bufs.length; ++j) { b.lens.push(ll); ll += bufs[j].length; }
		if (b.length < length) throw "XLS Record 0x" + RecordType.toString(16) + " Truncated: " + b.length + " < " + length;
		return R.f(b, b.length, opts);
	}

	function safe_format_xf(p, opts, date1904) {
		if (p.t === 'z') return;
		if (!p.XF) return;
		var fmtid = 0;
		try {
			fmtid = p.z || p.XF.numFmtId || 0;
			if (opts.cellNF && p.z == null) p.z = table_fmt[fmtid];
		} catch (e) { if (opts.WTF) throw e; }
		if (!opts || opts.cellText !== false) try {
			if (p.t === 'e') { p.w = p.w || BErr[p.v]; }
			else if (fmtid === 0 || fmtid == "General") {
				if (p.t === 'n') {
					if ((p.v | 0) === p.v) p.w = p.v.toString(10);
					else p.w = SSF_general_num(p.v);
				}
				else p.w = SSF_general(p.v);
			}
			else p.w = SSF_format(fmtid, p.v, { date1904: !!date1904, dateNF: opts && opts.dateNF });
		} catch (e) { if (opts.WTF) throw e; }
		if (opts.cellDates && fmtid && p.t == 'n' && fmt_is_date(table_fmt[fmtid] || String(fmtid))) {
			var _d = SSF_parse_date_code(p.v + (date1904 ? 1462 : 0)); if (_d) { p.t = 'd'; p.v = new Date(Date.UTC(_d.y, _d.m - 1, _d.d, _d.H, _d.M, _d.S, _d.u)); }
		}
	}

	function make_cell(val, ixfe, t) {
		return ({ v: val, ixfe: ixfe, t: t });
	}

	// 2.3.2
	function parse_workbook(blob, options) {
		var wb = ({ opts: {} });
		var Sheets = {};
		if (DENSE != null && options.dense == null) options.dense = DENSE;
		var out = ({}); if (options.dense) out["!data"] = [];
		var Directory = {};
		var range = ({});
		var last_formula = null;
		var sst = ([]);
		var cur_sheet = "";
		var Preamble = {};
		var lastcell, last_cell = "", cc, cmnt, rngC, rngR;
		var sharedf = {};
		var arrayf = [];
		var temp_val;
		var country;
		var XFs = []; /* XF records */
		var palette = [];
		var Workbook = ({ Sheets: [], WBProps: { date1904: false }, Views: [{}] }), wsprops = {};
		var biff4w = false;
		var get_rgb = function getrgb(icv) {
			if (icv < 8) return XLSIcv[icv];
			if (icv < 64) return palette[icv - 8] || XLSIcv[icv];
			return XLSIcv[icv];
		};
		var process_cell_style = function pcs(line, options) {
			var xfd = line.XF.data;
			if (!xfd || !xfd.patternType || !options || !options.cellStyles) return;
			line.s = ({});
			line.s.patternType = xfd.patternType;
			var t;
			if ((t = rgb2Hex(get_rgb(xfd.icvFore)))) { line.s.fgColor = { rgb: t }; }
			if ((t = rgb2Hex(get_rgb(xfd.icvBack)))) { line.s.bgColor = { rgb: t }; }
		};
		var addcell = function addcell(cell, line, options) {
			if (!biff4w && file_depth > 1) return;
			if (options.sheetRows && cell.r >= options.sheetRows) return;
			if (options.cellStyles && line.XF && line.XF.data) process_cell_style(line, options);
			delete line.ixfe; delete line.XF;
			lastcell = cell;
			last_cell = encode_cell(cell);
			if (!range || !range.s || !range.e) range = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
			if (cell.r < range.s.r) range.s.r = cell.r;
			if (cell.c < range.s.c) range.s.c = cell.c;
			if (cell.r + 1 > range.e.r) range.e.r = cell.r + 1;
			if (cell.c + 1 > range.e.c) range.e.c = cell.c + 1;
			if (options.cellFormula && line.f) {
				for (var afi = 0; afi < arrayf.length; ++afi) {
					if (arrayf[afi][0].s.c > cell.c || arrayf[afi][0].s.r > cell.r) continue;
					if (arrayf[afi][0].e.c < cell.c || arrayf[afi][0].e.r < cell.r) continue;
					line.F = encode_range(arrayf[afi][0]);
					if (arrayf[afi][0].s.c != cell.c || arrayf[afi][0].s.r != cell.r) delete line.f;
					if (line.f) line.f = "" + stringify_formula(arrayf[afi][1], range, cell, supbooks, opts);
					break;
				}
			}
			{
				if (options.dense) {
					if (!out["!data"][cell.r]) out["!data"][cell.r] = [];
					out["!data"][cell.r][cell.c] = line;
				} else out[last_cell] = line;
			}
		};
		var opts = ({
			enc: false, // encrypted
			sbcch: 0, // cch in the preceding SupBook
			snames: [], // sheetnames
			sharedf: sharedf, // shared formulae by address
			arrayf: arrayf, // array formulae array
			rrtabid: [], // RRTabId
			lastuser: "", // Last User from WriteAccess
			biff: 8, // BIFF version
			codepage: 0, // CP from CodePage record
			winlocked: 0, // fLockWn from WinProtect
			cellStyles: !!options && !!options.cellStyles,
			WTF: !!options && !!options.wtf
		});
		if (options.password) opts.password = options.password;
		var themes;
		var merges = [];
		var objects = [];
		var colinfo = [], rowinfo = [];
		var seencol = false;
		var supbooks = ([]); // 1-indexed, will hold extern names
		supbooks.SheetNames = opts.snames;
		supbooks.sharedf = opts.sharedf;
		supbooks.arrayf = opts.arrayf;
		supbooks.names = [];
		supbooks.XTI = [];
		var last_RT = 0;
		var file_depth = 0; /* TODO: make a real stack */
		var BIFF2Fmt = 0, BIFF2FmtTable = [];
		var FilterDatabases = []; /* TODO: sort out supbooks and process elsewhere */
		var last_lbl;

		/* explicit override for some broken writers */
		opts.codepage = 1200;
		set_cp(1200);
		var seen_codepage = false;
		while (blob.l < blob.length - 1) {
			var s = blob.l;
			var RecordType = blob.read_shift(2);
			if (RecordType === 0 && last_RT === 0x000a /* EOF */) break;
			var length = (blob.l === blob.length ? 0 : blob.read_shift(2));
			var R = XLSRecordEnum[RecordType];
			if (file_depth == 0 && [0x0009, 0x0209, 0x0409, 0x0809].indexOf(RecordType) == -1 /* BOF */) break;
			//console.log(RecordType.toString(16), RecordType, R, blob.l, length, blob.length);
			//if(!R) console.log(blob.slice(blob.l, blob.l + length));
			if (R && R.f) {
				if (options.bookSheets) {
					if (last_RT === 0x0085 /* BoundSheet8 */ && RecordType !== 0x0085 /* R.n !== 'BoundSheet8' */) break;
				}
				last_RT = RecordType;
				if (R.r === 2 || R.r == 12) {
					var rt = blob.read_shift(2); length -= 2;
					if (!opts.enc && rt !== RecordType && (((rt & 0xFF) << 8) | (rt >> 8)) !== RecordType) throw new Error("rt mismatch: " + rt + "!=" + RecordType);
					if (R.r == 12) {
						blob.l += 10; length -= 10;
					} // skip FRT
				}
				//console.error(R,blob.l,length,blob.length);
				var val = ({});
				if (RecordType === 0x000a /* EOF */) val = R.f(blob, length, opts);
				else val = slurp(RecordType, R, blob, length, opts);
				if (file_depth == 0 && [0x0009, 0x0209, 0x0409, 0x0809].indexOf(last_RT) === -1 /* BOF */) continue;
				switch (RecordType) {
					case 0x0022 /* Date1904 */:
						wb.opts.Date1904 = Workbook.WBProps.date1904 = val; break;
					case 0x0086 /* WriteProtect */: wb.opts.WriteProtect = true; break;
					case 0x002f /* FilePass */:
						if (!opts.enc) blob.l = 0;
						opts.enc = val;
						if (!options.password) throw new Error("File is password-protected");
						if (val.valid == null) throw new Error("Encryption scheme unsupported");
						if (!val.valid) throw new Error("Password is incorrect");
						break;
					case 0x005c /* WriteAccess */: opts.lastuser = val; break;
					case 0x0042 /* CodePage */:
						var cpval = Number(val);
						/* overrides based on test cases */
						switch (cpval) {
							case 0x5212: cpval = 1200; break;
							case 0x8000: cpval = 10000; break;
							case 0x8001: cpval = 1252; break;
						}
						set_cp(opts.codepage = cpval);
						seen_codepage = true;
						break;
					case 0x013d /* RRTabId */: opts.rrtabid = val; break;
					case 0x0019 /* WinProtect */: opts.winlocked = val; break;
					case 0x01b7 /* RefreshAll */: wb.opts["RefreshAll"] = val; break;
					case 0x000c /* CalcCount */: wb.opts["CalcCount"] = val; break;
					case 0x0010 /* CalcDelta */: wb.opts["CalcDelta"] = val; break;
					case 0x0011 /* CalcIter */: wb.opts["CalcIter"] = val; break;
					case 0x000d /* CalcMode */: wb.opts["CalcMode"] = val; break;
					case 0x000e /* CalcPrecision */: wb.opts["CalcPrecision"] = val; break;
					case 0x005f /* CalcSaveRecalc */: wb.opts["CalcSaveRecalc"] = val; break;
					case 0x000f /* CalcRefMode */: opts.CalcRefMode = val; break; // TODO: implement R1C1
					case 0x08a3 /* ForceFullCalculation */: wb.opts.FullCalc = val; break;
					case 0x0081 /* WsBool */:
						if (val.fDialog) out["!type"] = "dialog";
						if (!val.fBelow) (out["!outline"] || (out["!outline"] = {})).above = true;
						if (!val.fRight) (out["!outline"] || (out["!outline"] = {})).left = true;
						break; // TODO
					case 0x0043: /* BIFF2XF */ case 0x0243: /* BIFF3XF */ case 0x0443: /* BIFF4XF */
					case 0x00e0 /* XF */:
						XFs.push(val); break;
					case 0x01ae /* SupBook */:
						supbooks.push([val]);
						supbooks[supbooks.length - 1].XTI = [];
						break;
					case 0x0023: case 0x0223 /* ExternName */:
						supbooks[supbooks.length - 1].push(val);
						break;
					case 0x0018: case 0x0218 /* Lbl */:
						last_lbl = ({
							Name: val.Name,
							Ref: stringify_formula(val.rgce, range, null, supbooks, opts)
						});
						if (val.itab > 0) last_lbl.Sheet = val.itab - 1;
						supbooks.names.push(last_lbl);
						if (!supbooks[0]) { supbooks[0] = []; supbooks[0].XTI = []; }
						supbooks[supbooks.length - 1].push(val);
						if (val.Name == "_xlnm._FilterDatabase" && val.itab > 0)
							if (val.rgce && val.rgce[0] && val.rgce[0][0] && val.rgce[0][0][0] == 'PtgArea3d')
								FilterDatabases[val.itab - 1] = { ref: encode_range(val.rgce[0][0][1][2]) };
						break;
					case 0x0016 /* ExternCount */: opts.ExternCount = val; break;
					case 0x0017 /* ExternSheet */:
						if (supbooks.length == 0) { supbooks[0] = []; supbooks[0].XTI = []; }
						supbooks[supbooks.length - 1].XTI = supbooks[supbooks.length - 1].XTI.concat(val); supbooks.XTI = supbooks.XTI.concat(val); break;
					case 0x0894 /* NameCmt */:
						/* TODO: search for correct name */
						if (opts.biff < 8) break;
						if (last_lbl != null) last_lbl.Comment = val[1];
						break;
					case 0x0012 /* Protect */: out["!protect"] = val; break; /* for sheet or book */
					case 0x0013 /* Password */: if (val !== 0 && opts.WTF) console.error("Password verifier: " + val); break;
					case 0x0085 /* BoundSheet8 */: {
						Directory[opts.biff == 4 ? opts.snames.length : val.pos] = val;
						opts.snames.push(val.name);
					} break;
					case 0x000a /* EOF */: {
						if (--file_depth ? !biff4w : biff4w) break;
						if (range.e) {
							if (range.e.r > 0 && range.e.c > 0) {
								range.e.r--; range.e.c--;
								out["!ref"] = encode_range(range);
								if (options.sheetRows && options.sheetRows <= range.e.r) {
									var tmpri = range.e.r;
									range.e.r = options.sheetRows - 1;
									out["!fullref"] = out["!ref"];
									out["!ref"] = encode_range(range);
									range.e.r = tmpri;
								}
								range.e.r++; range.e.c++;
							}
							if (merges.length > 0) out["!merges"] = merges;
							if (objects.length > 0) out["!objects"] = objects;
							if (colinfo.length > 0) out["!cols"] = colinfo;
							if (rowinfo.length > 0) out["!rows"] = rowinfo;
							Workbook.Sheets.push(wsprops);
						}
						if (cur_sheet === "") Preamble = out; else Sheets[cur_sheet] = out;
						out = ({}); if (options.dense) out["!data"] = [];
					} break;
					case 0x0009: case 0x0209: case 0x0409: case 0x0809 /* BOF */: {
						if (opts.biff === 8) opts.biff = {
							0x0009: 2,
							0x0209: 3,
							0x0409: 4
						}[RecordType] || {
							0x0200: 2,
							0x0300: 3,
							0x0400: 4,
							0x0500: 5,
							0x0600: 8,
							0x0002: 2,
							0x0007: 2
						}[val.BIFFVer] || 8;
						opts.biffguess = val.BIFFVer == 0;
						if (val.BIFFVer == 0 && val.dt == 0x1000) { opts.biff = 5; seen_codepage = true; set_cp(opts.codepage = 28591); }
						if (opts.biff == 4 && val.dt & 0x100) biff4w = true;
						if (opts.biff == 8 && val.BIFFVer == 0 && val.dt == 16) opts.biff = 2;
						if (file_depth++ && !biff4w) break;
						out = ({}); if (options.dense) out["!data"] = [];

						if (opts.biff < 8 && !seen_codepage) { seen_codepage = true; set_cp(opts.codepage = options.codepage || 1252); }
						if (opts.biff == 4 && biff4w) {
							cur_sheet = (Directory[opts.snames.indexOf(cur_sheet) + 1] || { name: "" }).name;
						} else if (opts.biff < 5 || val.BIFFVer == 0 && val.dt == 0x1000) {
							if (cur_sheet === "") cur_sheet = "Sheet1";
							range = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
							/* fake BoundSheet8 */
							var fakebs8 = { pos: blob.l - length, name: cur_sheet };
							Directory[fakebs8.pos] = fakebs8;
							opts.snames.push(cur_sheet);
						}
						else cur_sheet = (Directory[s] || { name: "" }).name;
						if (val.dt == 0x20) out["!type"] = "chart";
						if (val.dt == 0x40) out["!type"] = "macro";
						merges = [];
						objects = [];
						opts.arrayf = arrayf = [];
						colinfo = []; rowinfo = [];
						seencol = false;
						wsprops = { Hidden: (Directory[s] || { hs: 0 }).hs, name: cur_sheet };
					} break;
					case 0x0203 /* Number */: case 0x0003 /* BIFF2NUM */: case 0x0002 /* BIFF2INT */: {
						if (out["!type"] == "chart") if (options.dense ? (out["!data"][val.r] || [])[val.c] : out[encode_col(val.c) + encode_row(val.r)]) ++val.c;
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe] || {}, v: val.val, t: 'n' });
						if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 0x0005: case 0x0205 /* BoolErr */: {
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe], v: val.val, t: val.t });
						if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 0x027e /* RK */: {
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe], v: val.rknum, t: 'n' });
						if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 0x00bd /* MulRk */: {
						for (var j = val.c; j <= val.C; ++j) {
							var ixfe = val.rkrec[j - val.c][0];
							temp_val = ({ ixfe: ixfe, XF: XFs[ixfe], v: val.rkrec[j - val.c][1], t: 'n' });
							if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
							safe_format_xf(temp_val, options, wb.opts.Date1904);
							addcell({ c: j, r: val.r }, temp_val, options);
						}
					} break;
					case 0x0006: case 0x0206: case 0x0406 /* Formula */: {
						if (val.val == 'String') { last_formula = val; break; }
						temp_val = make_cell(val.val, val.cell.ixfe, val.tt);
						temp_val.XF = XFs[temp_val.ixfe];
						if (options.cellFormula) {
							var _f = val.formula;
							if (_f && _f[0] && _f[0][0] && _f[0][0][0] == 'PtgExp') {
								var _fr = _f[0][0][1][0], _fc = _f[0][0][1][1];
								var _fe = encode_cell({ r: _fr, c: _fc });
								if (sharedf[_fe]) temp_val.f = "" + stringify_formula(val.formula, range, val.cell, supbooks, opts);
								else temp_val.F = ((options.dense ? (out["!data"][_fr] || [])[_fc] : out[_fe]) || {}).F;
							} else temp_val.f = "" + stringify_formula(val.formula, range, val.cell, supbooks, opts);
						}
						if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell(val.cell, temp_val, options);
						last_formula = val;
					} break;
					case 0x0007: case 0x0207 /* String */: {
						if (last_formula) { /* technically always true */
							last_formula.val = val;
							temp_val = make_cell(val, last_formula.cell.ixfe, 's');
							temp_val.XF = XFs[temp_val.ixfe];
							if (options.cellFormula) {
								temp_val.f = "" + stringify_formula(last_formula.formula, range, last_formula.cell, supbooks, opts);
							}
							if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
							safe_format_xf(temp_val, options, wb.opts.Date1904);
							addcell(last_formula.cell, temp_val, options);
							last_formula = null;
						} else throw new Error("String record expects Formula");
					} break;
					case 0x0021: case 0x0221 /* Array */: {
						arrayf.push(val);
						var _arraystart = encode_cell(val[0].s);
						cc = options.dense ? (out["!data"][val[0].s.r] || [])[val[0].s.c] : out[_arraystart];
						if (options.cellFormula && cc) {
							if (!last_formula) break; /* technically unreachable */
							if (!_arraystart || !cc) break;
							cc.f = "" + stringify_formula(val[1], range, val[0], supbooks, opts);
							cc.F = encode_range(val[0]);
						}
					} break;
					case 0x04bc /* ShrFmla */: {
						if (!options.cellFormula) break;
						if (last_cell) {
							/* TODO: capture range */
							if (!last_formula) break; /* technically unreachable */
							sharedf[encode_cell(last_formula.cell)] = val[0];
							cc = options.dense ? (out["!data"][last_formula.cell.r] || [])[last_formula.cell.c] : out[encode_cell(last_formula.cell)];
							(cc || {}).f = "" + stringify_formula(val[0], range, lastcell, supbooks, opts);
						}
					} break;
					case 0x00fd /* LabelSst */:
						temp_val = make_cell(sst[val.isst].t, val.ixfe, 's');
						if (sst[val.isst].h) temp_val.h = sst[val.isst].h;
						temp_val.XF = XFs[temp_val.ixfe];
						if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
						break;
					case 0x0201 /* Blank */: if (options.sheetStubs) {
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe], t: 'z' });
						if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 0x00be /* MulBlank */: if (options.sheetStubs) {
						for (var _j = val.c; _j <= val.C; ++_j) {
							var _ixfe = val.ixfe[_j - val.c];
							temp_val = ({ ixfe: _ixfe, XF: XFs[_ixfe], t: 'z' });
							if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
							safe_format_xf(temp_val, options, wb.opts.Date1904);
							addcell({ c: _j, r: val.r }, temp_val, options);
						}
					} break;
					case 0x00d6 /* RString */:
					case 0x0204 /* Label */: case 0x0004 /* BIFF2STR */:
						temp_val = make_cell(val.val, val.ixfe, 's');
						temp_val.XF = XFs[temp_val.ixfe];
						if (BIFF2Fmt > 0) temp_val.z = (temp_val.XF && temp_val.XF.numFmtId) && BIFF2FmtTable[temp_val.XF.numFmtId] || BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x3F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
						break;

					case 0x0000: case 0x0200 /* Dimensions */: {
						if (file_depth === 1) range = val; /* TODO: stack */
					} break;
					case 0x00fc /* SST */: {
						sst = val;
					} break;
					case 0x041e /* Format */: { /* val = [id, fmt] */
						if (opts.biff >= 3 && opts.biff <= 4) {
							BIFF2FmtTable[BIFF2Fmt++] = val[1];
							for (var b4idx = 0; b4idx < BIFF2Fmt + 163; ++b4idx) if (table_fmt[b4idx] == val[1]) break;
							if (b4idx >= 163) SSF__load(val[1], BIFF2Fmt + 163);
						}
						else SSF__load(val[1], val[0]);
					} break;
					case 0x001e /* BIFF2FORMAT */: {
						BIFF2FmtTable[BIFF2Fmt++] = val;
						for (var b2idx = 0; b2idx < BIFF2Fmt + 163; ++b2idx) if (table_fmt[b2idx] == val) break;
						if (b2idx >= 163) SSF__load(val, BIFF2Fmt + 163);
					} break;

					case 0x00e5 /* MergeCells */: merges = merges.concat(val); break;

					case 0x005d /* Obj */: objects[val.cmo[0]] = opts.lastobj = val; break;
					case 0x01b6 /* TxO */: opts.lastobj.TxO = val; break;
					case 0x007f /* ImData */: opts.lastobj.ImData = val; break;

					case 0x01b8 /* HLink */: {
						for (rngR = val[0].s.r; rngR <= val[0].e.r; ++rngR)
							for (rngC = val[0].s.c; rngC <= val[0].e.c; ++rngC) {
								cc = options.dense ? (out["!data"][rngR] || [])[rngC] : out[encode_cell({ c: rngC, r: rngR })];
								if (cc) cc.l = val[1];
							}
					} break;
					case 0x0800 /* HLinkTooltip */: {
						for (rngR = val[0].s.r; rngR <= val[0].e.r; ++rngR)
							for (rngC = val[0].s.c; rngC <= val[0].e.c; ++rngC) {
								cc = options.dense ? (out["!data"][rngR] || [])[rngC] : out[encode_cell({ c: rngC, r: rngR })];
								if (cc && cc.l) cc.l.Tooltip = val[1];
							}
					} break;
					case 0x001c /* Note */: {
						/* TODO: comment continuation (row == -1 / 0xFFFF) */
						cc = options.dense ? (out["!data"][val[0].r] || [])[val[0].c] : out[encode_cell(val[0])];
						if (!cc) {
							if (options.dense) {
								if (!out["!data"][val[0].r]) out["!data"][val[0].r] = [];
								cc = out["!data"][val[0].r][val[0].c] = ({ t: "z" });
							} else {
								cc = out[encode_cell(val[0])] = ({ t: "z" });
							}
							range.e.r = Math.max(range.e.r, val[0].r);
							range.s.r = Math.min(range.s.r, val[0].r);
							range.e.c = Math.max(range.e.c, val[0].c);
							range.s.c = Math.min(range.s.c, val[0].c);
						}
						if (!cc.c) cc.c = [];
						if (opts.biff <= 5 && opts.biff >= 2) cmnt = { a: "SheetJ5", t: val[1] };
						else {
							var noteobj = objects[val[2]];
							cmnt = { a: val[1], t: noteobj.TxO.t };
							if (val[3] != null && !(val[3] & 0x02)) cc.c.hidden = true;
						}
						cc.c.push(cmnt);
					} break;
					case 0x087d /* XFExt */: update_xfext(XFs[val.ixfe], val.ext); break;
					case 0x007d /* ColInfo */: {
						if (!opts.cellStyles) break;
						while (val.e >= val.s) {
							colinfo[val.e--] = { width: val.w / 256, level: (val.level || 0), hidden: !!(val.flags & 1) };
							if (!seencol) { seencol = true; find_mdw_colw(val.w / 256); }
							process_col(colinfo[val.e + 1]);
						}
					} break;
					case 0x0208 /* Row */: {
						var rowobj = {};
						if (val.level != null) { rowinfo[val.r] = rowobj; rowobj.level = val.level; }
						if (val.hidden) { rowinfo[val.r] = rowobj; rowobj.hidden = true; }
						if (val.hpt) {
							rowinfo[val.r] = rowobj;
							rowobj.hpt = val.hpt; rowobj.hpx = pt2px(val.hpt);
						}
					} break;
					case 0x0026 /* LeftMargin */:
					case 0x0027 /* RightMargin */:
					case 0x0028 /* TopMargin */:
					case 0x0029 /* BottomMargin */:
						if (!out['!margins']) default_margins(out['!margins'] = {});
						out['!margins'][({ 0x26: "left", 0x27: "right", 0x28: "top", 0x29: "bottom" })[RecordType]] = val;
						break;
					case 0x00a1 /* Setup */: // TODO
						if (!out['!margins']) default_margins(out['!margins'] = {});
						out['!margins'].header = val.header;
						out['!margins'].footer = val.footer;
						break;
					case 0x023e /* Window2 */: // TODO
						// $FlowIgnore
						if (val.RTL) Workbook.Views[0].RTL = true;
						break;
					case 0x0092 /* Palette */: palette = val; break;
					case 0x0896 /* Theme */: themes = val; break;
					case 0x008c /* Country */: country = val; break;
					case 0x01ba /* CodeName */: {
						if (!cur_sheet) Workbook.WBProps.CodeName = val || "ThisWorkbook";
						else wsprops.CodeName = val || wsprops.name;
					} break;
				}
			} else {
				if (!R) console.error("Missing Info for XLS Record 0x" + RecordType.toString(16));
				blob.l += length;
			}
		}
		wb.SheetNames = keys(Directory).sort(function (a, b) { return Number(a) - Number(b); }).map(function (x) { return Directory[x].name; });
		if (!options.bookSheets) wb.Sheets = Sheets;
		if (!wb.SheetNames.length && Preamble["!ref"]) {
			wb.SheetNames.push("Sheet1");
			/*jshint -W069 */
			if (wb.Sheets) wb.Sheets["Sheet1"] = Preamble;
			/*jshint +W069 */
		} else wb.Preamble = Preamble;
		if (wb.Sheets) FilterDatabases.forEach(function (r, i) { wb.Sheets[wb.SheetNames[i]]['!autofilter'] = r; });
		wb.Strings = sst;
		wb.SSF = dup(table_fmt);
		if (opts.enc) wb.Encryption = opts.enc;
		if (themes) wb.Themes = themes;
		wb.Metadata = {};
		if (country !== undefined) wb.Metadata.Country = country;
		if (supbooks.names.length > 0) Workbook.Names = supbooks.names;
		wb.Workbook = Workbook;
		return wb;
	}

	/* TODO: split props*/
	var PSCLSID = {
		SI: "e0859ff2f94f6810ab9108002b27b3d9",
		DSI: "02d5cdd59c2e1b10939708002b2cf9ae",
		UDI: "05d5cdd59c2e1b10939708002b2cf9ae"
	};
	function parse_xls_props(cfb, props, o) {
		/* [MS-OSHARED] 2.3.3.2.2 Document Summary Information Property Set */
		var DSI = CFB.find(cfb, '/!DocumentSummaryInformation');
		if (DSI && DSI.size > 0) try {
			var DocSummary = parse_PropertySetStream(DSI, DocSummaryPIDDSI, PSCLSID.DSI);
			for (var d in DocSummary) props[d] = DocSummary[d];
		} catch (e) { if (o.WTF) throw e;/* empty */ }

		/* [MS-OSHARED] 2.3.3.2.1 Summary Information Property Set*/
		var SI = CFB.find(cfb, '/!SummaryInformation');
		if (SI && SI.size > 0) try {
			var Summary = parse_PropertySetStream(SI, SummaryPIDSI, PSCLSID.SI);
			for (var s in Summary) if (props[s] == null) props[s] = Summary[s];
		} catch (e) { if (o.WTF) throw e;/* empty */ }

		if (props.HeadingPairs && props.TitlesOfParts) {
			load_props_pairs(props.HeadingPairs, props.TitlesOfParts, props, o);
			delete props.HeadingPairs; delete props.TitlesOfParts;
		}
	}
	function write_xls_props(wb, cfb) {
		var DSEntries = [], SEntries = [], CEntries = [];
		var i = 0, Keys;
		var DocSummaryRE = evert_key(DocSummaryPIDDSI, "n");
		var SummaryRE = evert_key(SummaryPIDSI, "n");
		if (wb.Props) {
			Keys = keys(wb.Props);
			// $FlowIgnore
			for (i = 0; i < Keys.length; ++i) (Object.prototype.hasOwnProperty.call(DocSummaryRE, Keys[i]) ? DSEntries : Object.prototype.hasOwnProperty.call(SummaryRE, Keys[i]) ? SEntries : CEntries).push([Keys[i], wb.Props[Keys[i]]]);
		}
		if (wb.Custprops) {
			Keys = keys(wb.Custprops);
			// $FlowIgnore
			for (i = 0; i < Keys.length; ++i) if (!Object.prototype.hasOwnProperty.call((wb.Props || {}), Keys[i])) (Object.prototype.hasOwnProperty.call(DocSummaryRE, Keys[i]) ? DSEntries : Object.prototype.hasOwnProperty.call(SummaryRE, Keys[i]) ? SEntries : CEntries).push([Keys[i], wb.Custprops[Keys[i]]]);
		}
		var CEntries2 = [];
		for (i = 0; i < CEntries.length; ++i) {
			if (XLSPSSkip.indexOf(CEntries[i][0]) > -1 || PseudoPropsPairs.indexOf(CEntries[i][0]) > -1) continue;
			if (CEntries[i][1] == null) continue;
			CEntries2.push(CEntries[i]);
		}
		if (SEntries.length) CFB.utils.cfb_add(cfb, "/\u0005SummaryInformation", write_PropertySetStream(SEntries, PSCLSID.SI, SummaryRE, SummaryPIDSI));
		if (DSEntries.length || CEntries2.length) CFB.utils.cfb_add(cfb, "/\u0005DocumentSummaryInformation", write_PropertySetStream(DSEntries, PSCLSID.DSI, DocSummaryRE, DocSummaryPIDDSI, CEntries2.length ? CEntries2 : null, PSCLSID.UDI));
	}

	function parse_xlscfb(cfb, options) {
		if (!options) options = {};
		fix_read_opts(options);
		reset_cp();
		if (options.codepage) set_ansi(options.codepage);
		var CompObj, WB;
		if (cfb.FullPaths) {
			if (CFB.find(cfb, '/encryption')) throw new Error("File is password-protected");
			CompObj = CFB.find(cfb, '!CompObj');
			WB = CFB.find(cfb, '/Workbook') || CFB.find(cfb, '/Book');
		} else {
			switch (options.type) {
				case 'base64': cfb = s2a(Base64_decode(cfb)); break;
				case 'binary': cfb = s2a(cfb); break;
				case 'buffer': break;
				case 'array': if (!Array.isArray(cfb)) cfb = Array.prototype.slice.call(cfb); break;
			}
			prep_blob(cfb, 0);
			WB = ({ content: cfb });
		}
		var WorkbookP;

		var _data;
		if (CompObj) parse_compobj(CompObj);
		if (options.bookProps && !options.bookSheets) WorkbookP = ({});
		else {
			var T = has_buf ? 'buffer' : 'array';
			if (WB && WB.content) WorkbookP = parse_workbook(WB.content, options);
			/* Quattro Pro 7-8 */
			else if ((_data = CFB.find(cfb, 'PerfectOffice_MAIN')) && _data.content) WorkbookP = WK_.to_workbook(_data.content, (options.type = T, options));
			/* Quattro Pro 9 */
			else if ((_data = CFB.find(cfb, 'NativeContent_MAIN')) && _data.content) WorkbookP = WK_.to_workbook(_data.content, (options.type = T, options));
			/* Works 4 for Mac */
			else if ((_data = CFB.find(cfb, 'MN0')) && _data.content) throw new Error("Unsupported Works 4 for Mac file");
			else throw new Error("Cannot find Workbook stream");
			if (options.bookVBA && cfb.FullPaths && CFB.find(cfb, '/_VBA_PROJECT_CUR/VBA/dir')) WorkbookP.vbaraw = make_vba_xls(cfb);
		}

		var props = {};
		if (cfb.FullPaths) parse_xls_props(cfb, props, options);

		WorkbookP.Props = WorkbookP.Custprops = props; /* TODO: split up properties */
		if (options.bookFiles) WorkbookP.cfb = cfb;
		/*WorkbookP.CompObjP = CompObjP; // TODO: storage? */
		return WorkbookP;
	}


	function write_xlscfb(wb, opts) {
		var o = opts || {};
		var cfb = CFB.utils.cfb_new({ root: "R" });
		var wbpath = "/Workbook";
		switch (o.bookType || "xls") {
			case "xls": o.bookType = "biff8";
			/* falls through */
			case "xla": if (!o.bookType) o.bookType = "xla";
			/* falls through */
			case "biff8": wbpath = "/Workbook"; o.biff = 8; break;
			case "biff5": wbpath = "/Book"; o.biff = 5; break;
			default: throw new Error("invalid type " + o.bookType + " for XLS CFB");
		}
		CFB.utils.cfb_add(cfb, wbpath, write_biff_buf(wb, o));
		if (o.biff == 8 && (wb.Props || wb.Custprops)) write_xls_props(wb, cfb);
		// TODO: SI, DSI, CO
		if (o.biff == 8 && wb.vbaraw) fill_vba_xls(cfb, CFB.read(wb.vbaraw, { type: typeof wb.vbaraw == "string" ? "binary" : "buffer" }));
		return cfb;
	}
	/* [MS-XLSB] 2.3 Record Enumeration */
	var XLSBRecordEnum = {
		0x0000: { /* n:"BrtRowHdr", */ f: parse_BrtRowHdr },
		0x0001: { /* n:"BrtCellBlank", */ f: parse_BrtCellBlank },
		0x0002: { /* n:"BrtCellRk", */ f: parse_BrtCellRk },
		0x0003: { /* n:"BrtCellError", */ f: parse_BrtCellError },
		0x0004: { /* n:"BrtCellBool", */ f: parse_BrtCellBool },
		0x0005: { /* n:"BrtCellReal", */ f: parse_BrtCellReal },
		0x0006: { /* n:"BrtCellSt", */ f: parse_BrtCellSt },
		0x0007: { /* n:"BrtCellIsst", */ f: parse_BrtCellIsst },
		0x0008: { /* n:"BrtFmlaString", */ f: parse_BrtFmlaString },
		0x0009: { /* n:"BrtFmlaNum", */ f: parse_BrtFmlaNum },
		0x000A: { /* n:"BrtFmlaBool", */ f: parse_BrtFmlaBool },
		0x000B: { /* n:"BrtFmlaError", */ f: parse_BrtFmlaError },
		0x000C: { /* n:"BrtShortBlank", */ f: parse_BrtShortBlank },
		0x000D: { /* n:"BrtShortRk", */ f: parse_BrtShortRk },
		0x000E: { /* n:"BrtShortError", */ f: parse_BrtShortError },
		0x000F: { /* n:"BrtShortBool", */ f: parse_BrtShortBool },
		0x0010: { /* n:"BrtShortReal", */ f: parse_BrtShortReal },
		0x0011: { /* n:"BrtShortSt", */ f: parse_BrtShortSt },
		0x0012: { /* n:"BrtShortIsst", */ f: parse_BrtShortIsst },
		0x0013: { /* n:"BrtSSTItem", */ f: parse_RichStr },
		0x0014: { /* n:"BrtPCDIMissing" */ },
		0x0015: { /* n:"BrtPCDINumber" */ },
		0x0016: { /* n:"BrtPCDIBoolean" */ },
		0x0017: { /* n:"BrtPCDIError" */ },
		0x0018: { /* n:"BrtPCDIString" */ },
		0x0019: { /* n:"BrtPCDIDatetime" */ },
		0x001A: { /* n:"BrtPCDIIndex" */ },
		0x001B: { /* n:"BrtPCDIAMissing" */ },
		0x001C: { /* n:"BrtPCDIANumber" */ },
		0x001D: { /* n:"BrtPCDIABoolean" */ },
		0x001E: { /* n:"BrtPCDIAError" */ },
		0x001F: { /* n:"BrtPCDIAString" */ },
		0x0020: { /* n:"BrtPCDIADatetime" */ },
		0x0021: { /* n:"BrtPCRRecord" */ },
		0x0022: { /* n:"BrtPCRRecordDt" */ },
		0x0023: { /* n:"BrtFRTBegin", */ T: 1 },
		0x0024: { /* n:"BrtFRTEnd", */ T: -1 },
		0x0025: { /* n:"BrtACBegin", */ T: 1 },
		0x0026: { /* n:"BrtACEnd", */ T: -1 },
		0x0027: { /* n:"BrtName", */ f: parse_BrtName },
		0x0028: { /* n:"BrtIndexRowBlock" */ },
		0x002A: { /* n:"BrtIndexBlock" */ },
		0x002B: { /* n:"BrtFont", */ f: parse_BrtFont },
		0x002C: { /* n:"BrtFmt", */ f: parse_BrtFmt },
		0x002D: { /* n:"BrtFill", */ f: parse_BrtFill },
		0x002E: { /* n:"BrtBorder", */ f: parse_BrtBorder },
		0x002F: { /* n:"BrtXF", */ f: parse_BrtXF },
		0x0030: { /* n:"BrtStyle" */ },
		0x0031: { /* n:"BrtCellMeta", */ f: parse_Int32LE },
		0x0032: { /* n:"BrtValueMeta" */ },
		0x0033: { /* n:"BrtMdb" */ f: parse_BrtMdb },
		0x0034: { /* n:"BrtBeginFmd", */ T: 1 },
		0x0035: { /* n:"BrtEndFmd", */ T: -1 },
		0x0036: { /* n:"BrtBeginMdx", */ T: 1 },
		0x0037: { /* n:"BrtEndMdx", */ T: -1 },
		0x0038: { /* n:"BrtBeginMdxTuple", */ T: 1 },
		0x0039: { /* n:"BrtEndMdxTuple", */ T: -1 },
		0x003A: { /* n:"BrtMdxMbrIstr" */ },
		0x003B: { /* n:"BrtStr" */ },
		0x003C: { /* n:"BrtColInfo", */ f: parse_ColInfo },
		0x003E: { /* n:"BrtCellRString", */ f: parse_BrtCellRString },
		0x003F: { /* n:"BrtCalcChainItem$", */ f: parse_BrtCalcChainItem$ },
		0x0040: { /* n:"BrtDVal", */ f: parse_BrtDVal },
		0x0041: { /* n:"BrtSxvcellNum" */ },
		0x0042: { /* n:"BrtSxvcellStr" */ },
		0x0043: { /* n:"BrtSxvcellBool" */ },
		0x0044: { /* n:"BrtSxvcellErr" */ },
		0x0045: { /* n:"BrtSxvcellDate" */ },
		0x0046: { /* n:"BrtSxvcellNil" */ },
		0x0080: { /* n:"BrtFileVersion" */ },
		0x0081: { /* n:"BrtBeginSheet", */ T: 1 },
		0x0082: { /* n:"BrtEndSheet", */ T: -1 },
		0x0083: { /* n:"BrtBeginBook", */ T: 1, f: parsenoop, p: 0 },
		0x0084: { /* n:"BrtEndBook", */ T: -1 },
		0x0085: { /* n:"BrtBeginWsViews", */ T: 1 },
		0x0086: { /* n:"BrtEndWsViews", */ T: -1 },
		0x0087: { /* n:"BrtBeginBookViews", */ T: 1 },
		0x0088: { /* n:"BrtEndBookViews", */ T: -1 },
		0x0089: { /* n:"BrtBeginWsView", */ T: 1, f: parse_BrtBeginWsView },
		0x008A: { /* n:"BrtEndWsView", */ T: -1 },
		0x008B: { /* n:"BrtBeginCsViews", */ T: 1 },
		0x008C: { /* n:"BrtEndCsViews", */ T: -1 },
		0x008D: { /* n:"BrtBeginCsView", */ T: 1 },
		0x008E: { /* n:"BrtEndCsView", */ T: -1 },
		0x008F: { /* n:"BrtBeginBundleShs", */ T: 1 },
		0x0090: { /* n:"BrtEndBundleShs", */ T: -1 },
		0x0091: { /* n:"BrtBeginSheetData", */ T: 1 },
		0x0092: { /* n:"BrtEndSheetData", */ T: -1 },
		0x0093: { /* n:"BrtWsProp", */ f: parse_BrtWsProp },
		0x0094: { /* n:"BrtWsDim", */ f: parse_BrtWsDim, p: 16 },
		0x0097: { /* n:"BrtPane", */ f: parse_BrtPane },
		0x0098: { /* n:"BrtSel" */ },
		0x0099: { /* n:"BrtWbProp", */ f: parse_BrtWbProp },
		0x009A: { /* n:"BrtWbFactoid" */ },
		0x009B: { /* n:"BrtFileRecover" */ },
		0x009C: { /* n:"BrtBundleSh", */ f: parse_BrtBundleSh },
		0x009D: { /* n:"BrtCalcProp" */ },
		0x009E: { /* n:"BrtBookView" */ },
		0x009F: { /* n:"BrtBeginSst", */ T: 1, f: parse_BrtBeginSst },
		0x00A0: { /* n:"BrtEndSst", */ T: -1 },
		0x00A1: { /* n:"BrtBeginAFilter", */ T: 1, f: parse_UncheckedRfX },
		0x00A2: { /* n:"BrtEndAFilter", */ T: -1 },
		0x00A3: { /* n:"BrtBeginFilterColumn", */ T: 1 },
		0x00A4: { /* n:"BrtEndFilterColumn", */ T: -1 },
		0x00A5: { /* n:"BrtBeginFilters", */ T: 1 },
		0x00A6: { /* n:"BrtEndFilters", */ T: -1 },
		0x00A7: { /* n:"BrtFilter" */ },
		0x00A8: { /* n:"BrtColorFilter" */ },
		0x00A9: { /* n:"BrtIconFilter" */ },
		0x00AA: { /* n:"BrtTop10Filter" */ },
		0x00AB: { /* n:"BrtDynamicFilter" */ },
		0x00AC: { /* n:"BrtBeginCustomFilters", */ T: 1 },
		0x00AD: { /* n:"BrtEndCustomFilters", */ T: -1 },
		0x00AE: { /* n:"BrtCustomFilter" */ },
		0x00AF: { /* n:"BrtAFilterDateGroupItem" */ },
		0x00B0: { /* n:"BrtMergeCell", */ f: parse_BrtMergeCell },
		0x00B1: { /* n:"BrtBeginMergeCells", */ T: 1 },
		0x00B2: { /* n:"BrtEndMergeCells", */ T: -1 },
		0x00B3: { /* n:"BrtBeginPivotCacheDef", */ T: 1 },
		0x00B4: { /* n:"BrtEndPivotCacheDef", */ T: -1 },
		0x00B5: { /* n:"BrtBeginPCDFields", */ T: 1 },
		0x00B6: { /* n:"BrtEndPCDFields", */ T: -1 },
		0x00B7: { /* n:"BrtBeginPCDField", */ T: 1 },
		0x00B8: { /* n:"BrtEndPCDField", */ T: -1 },
		0x00B9: { /* n:"BrtBeginPCDSource", */ T: 1 },
		0x00BA: { /* n:"BrtEndPCDSource", */ T: -1 },
		0x00BB: { /* n:"BrtBeginPCDSRange", */ T: 1 },
		0x00BC: { /* n:"BrtEndPCDSRange", */ T: -1 },
		0x00BD: { /* n:"BrtBeginPCDFAtbl", */ T: 1 },
		0x00BE: { /* n:"BrtEndPCDFAtbl", */ T: -1 },
		0x00BF: { /* n:"BrtBeginPCDIRun", */ T: 1 },
		0x00C0: { /* n:"BrtEndPCDIRun", */ T: -1 },
		0x00C1: { /* n:"BrtBeginPivotCacheRecords", */ T: 1 },
		0x00C2: { /* n:"BrtEndPivotCacheRecords", */ T: -1 },
		0x00C3: { /* n:"BrtBeginPCDHierarchies", */ T: 1 },
		0x00C4: { /* n:"BrtEndPCDHierarchies", */ T: -1 },
		0x00C5: { /* n:"BrtBeginPCDHierarchy", */ T: 1 },
		0x00C6: { /* n:"BrtEndPCDHierarchy", */ T: -1 },
		0x00C7: { /* n:"BrtBeginPCDHFieldsUsage", */ T: 1 },
		0x00C8: { /* n:"BrtEndPCDHFieldsUsage", */ T: -1 },
		0x00C9: { /* n:"BrtBeginExtConnection", */ T: 1 },
		0x00CA: { /* n:"BrtEndExtConnection", */ T: -1 },
		0x00CB: { /* n:"BrtBeginECDbProps", */ T: 1 },
		0x00CC: { /* n:"BrtEndECDbProps", */ T: -1 },
		0x00CD: { /* n:"BrtBeginECOlapProps", */ T: 1 },
		0x00CE: { /* n:"BrtEndECOlapProps", */ T: -1 },
		0x00CF: { /* n:"BrtBeginPCDSConsol", */ T: 1 },
		0x00D0: { /* n:"BrtEndPCDSConsol", */ T: -1 },
		0x00D1: { /* n:"BrtBeginPCDSCPages", */ T: 1 },
		0x00D2: { /* n:"BrtEndPCDSCPages", */ T: -1 },
		0x00D3: { /* n:"BrtBeginPCDSCPage", */ T: 1 },
		0x00D4: { /* n:"BrtEndPCDSCPage", */ T: -1 },
		0x00D5: { /* n:"BrtBeginPCDSCPItem", */ T: 1 },
		0x00D6: { /* n:"BrtEndPCDSCPItem", */ T: -1 },
		0x00D7: { /* n:"BrtBeginPCDSCSets", */ T: 1 },
		0x00D8: { /* n:"BrtEndPCDSCSets", */ T: -1 },
		0x00D9: { /* n:"BrtBeginPCDSCSet", */ T: 1 },
		0x00DA: { /* n:"BrtEndPCDSCSet", */ T: -1 },
		0x00DB: { /* n:"BrtBeginPCDFGroup", */ T: 1 },
		0x00DC: { /* n:"BrtEndPCDFGroup", */ T: -1 },
		0x00DD: { /* n:"BrtBeginPCDFGItems", */ T: 1 },
		0x00DE: { /* n:"BrtEndPCDFGItems", */ T: -1 },
		0x00DF: { /* n:"BrtBeginPCDFGRange", */ T: 1 },
		0x00E0: { /* n:"BrtEndPCDFGRange", */ T: -1 },
		0x00E1: { /* n:"BrtBeginPCDFGDiscrete", */ T: 1 },
		0x00E2: { /* n:"BrtEndPCDFGDiscrete", */ T: -1 },
		0x00E3: { /* n:"BrtBeginPCDSDTupleCache", */ T: 1 },
		0x00E4: { /* n:"BrtEndPCDSDTupleCache", */ T: -1 },
		0x00E5: { /* n:"BrtBeginPCDSDTCEntries", */ T: 1 },
		0x00E6: { /* n:"BrtEndPCDSDTCEntries", */ T: -1 },
		0x00E7: { /* n:"BrtBeginPCDSDTCEMembers", */ T: 1 },
		0x00E8: { /* n:"BrtEndPCDSDTCEMembers", */ T: -1 },
		0x00E9: { /* n:"BrtBeginPCDSDTCEMember", */ T: 1 },
		0x00EA: { /* n:"BrtEndPCDSDTCEMember", */ T: -1 },
		0x00EB: { /* n:"BrtBeginPCDSDTCQueries", */ T: 1 },
		0x00EC: { /* n:"BrtEndPCDSDTCQueries", */ T: -1 },
		0x00ED: { /* n:"BrtBeginPCDSDTCQuery", */ T: 1 },
		0x00EE: { /* n:"BrtEndPCDSDTCQuery", */ T: -1 },
		0x00EF: { /* n:"BrtBeginPCDSDTCSets", */ T: 1 },
		0x00F0: { /* n:"BrtEndPCDSDTCSets", */ T: -1 },
		0x00F1: { /* n:"BrtBeginPCDSDTCSet", */ T: 1 },
		0x00F2: { /* n:"BrtEndPCDSDTCSet", */ T: -1 },
		0x00F3: { /* n:"BrtBeginPCDCalcItems", */ T: 1 },
		0x00F4: { /* n:"BrtEndPCDCalcItems", */ T: -1 },
		0x00F5: { /* n:"BrtBeginPCDCalcItem", */ T: 1 },
		0x00F6: { /* n:"BrtEndPCDCalcItem", */ T: -1 },
		0x00F7: { /* n:"BrtBeginPRule", */ T: 1 },
		0x00F8: { /* n:"BrtEndPRule", */ T: -1 },
		0x00F9: { /* n:"BrtBeginPRFilters", */ T: 1 },
		0x00FA: { /* n:"BrtEndPRFilters", */ T: -1 },
		0x00FB: { /* n:"BrtBeginPRFilter", */ T: 1 },
		0x00FC: { /* n:"BrtEndPRFilter", */ T: -1 },
		0x00FD: { /* n:"BrtBeginPNames", */ T: 1 },
		0x00FE: { /* n:"BrtEndPNames", */ T: -1 },
		0x00FF: { /* n:"BrtBeginPName", */ T: 1 },
		0x0100: { /* n:"BrtEndPName", */ T: -1 },
		0x0101: { /* n:"BrtBeginPNPairs", */ T: 1 },
		0x0102: { /* n:"BrtEndPNPairs", */ T: -1 },
		0x0103: { /* n:"BrtBeginPNPair", */ T: 1 },
		0x0104: { /* n:"BrtEndPNPair", */ T: -1 },
		0x0105: { /* n:"BrtBeginECWebProps", */ T: 1 },
		0x0106: { /* n:"BrtEndECWebProps", */ T: -1 },
		0x0107: { /* n:"BrtBeginEcWpTables", */ T: 1 },
		0x0108: { /* n:"BrtEndECWPTables", */ T: -1 },
		0x0109: { /* n:"BrtBeginECParams", */ T: 1 },
		0x010A: { /* n:"BrtEndECParams", */ T: -1 },
		0x010B: { /* n:"BrtBeginECParam", */ T: 1 },
		0x010C: { /* n:"BrtEndECParam", */ T: -1 },
		0x010D: { /* n:"BrtBeginPCDKPIs", */ T: 1 },
		0x010E: { /* n:"BrtEndPCDKPIs", */ T: -1 },
		0x010F: { /* n:"BrtBeginPCDKPI", */ T: 1 },
		0x0110: { /* n:"BrtEndPCDKPI", */ T: -1 },
		0x0111: { /* n:"BrtBeginDims", */ T: 1 },
		0x0112: { /* n:"BrtEndDims", */ T: -1 },
		0x0113: { /* n:"BrtBeginDim", */ T: 1 },
		0x0114: { /* n:"BrtEndDim", */ T: -1 },
		0x0115: { /* n:"BrtIndexPartEnd" */ },
		0x0116: { /* n:"BrtBeginStyleSheet", */ T: 1 },
		0x0117: { /* n:"BrtEndStyleSheet", */ T: -1 },
		0x0118: { /* n:"BrtBeginSXView", */ T: 1 },
		0x0119: { /* n:"BrtEndSXVI", */ T: -1 },
		0x011A: { /* n:"BrtBeginSXVI", */ T: 1 },
		0x011B: { /* n:"BrtBeginSXVIs", */ T: 1 },
		0x011C: { /* n:"BrtEndSXVIs", */ T: -1 },
		0x011D: { /* n:"BrtBeginSXVD", */ T: 1 },
		0x011E: { /* n:"BrtEndSXVD", */ T: -1 },
		0x011F: { /* n:"BrtBeginSXVDs", */ T: 1 },
		0x0120: { /* n:"BrtEndSXVDs", */ T: -1 },
		0x0121: { /* n:"BrtBeginSXPI", */ T: 1 },
		0x0122: { /* n:"BrtEndSXPI", */ T: -1 },
		0x0123: { /* n:"BrtBeginSXPIs", */ T: 1 },
		0x0124: { /* n:"BrtEndSXPIs", */ T: -1 },
		0x0125: { /* n:"BrtBeginSXDI", */ T: 1 },
		0x0126: { /* n:"BrtEndSXDI", */ T: -1 },
		0x0127: { /* n:"BrtBeginSXDIs", */ T: 1 },
		0x0128: { /* n:"BrtEndSXDIs", */ T: -1 },
		0x0129: { /* n:"BrtBeginSXLI", */ T: 1 },
		0x012A: { /* n:"BrtEndSXLI", */ T: -1 },
		0x012B: { /* n:"BrtBeginSXLIRws", */ T: 1 },
		0x012C: { /* n:"BrtEndSXLIRws", */ T: -1 },
		0x012D: { /* n:"BrtBeginSXLICols", */ T: 1 },
		0x012E: { /* n:"BrtEndSXLICols", */ T: -1 },
		0x012F: { /* n:"BrtBeginSXFormat", */ T: 1 },
		0x0130: { /* n:"BrtEndSXFormat", */ T: -1 },
		0x0131: { /* n:"BrtBeginSXFormats", */ T: 1 },
		0x0132: { /* n:"BrtEndSxFormats", */ T: -1 },
		0x0133: { /* n:"BrtBeginSxSelect", */ T: 1 },
		0x0134: { /* n:"BrtEndSxSelect", */ T: -1 },
		0x0135: { /* n:"BrtBeginISXVDRws", */ T: 1 },
		0x0136: { /* n:"BrtEndISXVDRws", */ T: -1 },
		0x0137: { /* n:"BrtBeginISXVDCols", */ T: 1 },
		0x0138: { /* n:"BrtEndISXVDCols", */ T: -1 },
		0x0139: { /* n:"BrtEndSXLocation", */ T: -1 },
		0x013A: { /* n:"BrtBeginSXLocation", */ T: 1 },
		0x013B: { /* n:"BrtEndSXView", */ T: -1 },
		0x013C: { /* n:"BrtBeginSXTHs", */ T: 1 },
		0x013D: { /* n:"BrtEndSXTHs", */ T: -1 },
		0x013E: { /* n:"BrtBeginSXTH", */ T: 1 },
		0x013F: { /* n:"BrtEndSXTH", */ T: -1 },
		0x0140: { /* n:"BrtBeginISXTHRws", */ T: 1 },
		0x0141: { /* n:"BrtEndISXTHRws", */ T: -1 },
		0x0142: { /* n:"BrtBeginISXTHCols", */ T: 1 },
		0x0143: { /* n:"BrtEndISXTHCols", */ T: -1 },
		0x0144: { /* n:"BrtBeginSXTDMPS", */ T: 1 },
		0x0145: { /* n:"BrtEndSXTDMPs", */ T: -1 },
		0x0146: { /* n:"BrtBeginSXTDMP", */ T: 1 },
		0x0147: { /* n:"BrtEndSXTDMP", */ T: -1 },
		0x0148: { /* n:"BrtBeginSXTHItems", */ T: 1 },
		0x0149: { /* n:"BrtEndSXTHItems", */ T: -1 },
		0x014A: { /* n:"BrtBeginSXTHItem", */ T: 1 },
		0x014B: { /* n:"BrtEndSXTHItem", */ T: -1 },
		0x014C: { /* n:"BrtBeginMetadata", */ T: 1 },
		0x014D: { /* n:"BrtEndMetadata", */ T: -1 },
		0x014E: { /* n:"BrtBeginEsmdtinfo", */ T: 1 },
		0x014F: { /* n:"BrtMdtinfo", */ f: parse_BrtMdtinfo },
		0x0150: { /* n:"BrtEndEsmdtinfo", */ T: -1 },
		0x0151: { /* n:"BrtBeginEsmdb", */ f: parse_BrtBeginEsmdb, T: 1 },
		0x0152: { /* n:"BrtEndEsmdb", */ T: -1 },
		0x0153: { /* n:"BrtBeginEsfmd", */ T: 1 },
		0x0154: { /* n:"BrtEndEsfmd", */ T: -1 },
		0x0155: { /* n:"BrtBeginSingleCells", */ T: 1 },
		0x0156: { /* n:"BrtEndSingleCells", */ T: -1 },
		0x0157: { /* n:"BrtBeginList", */ T: 1 },
		0x0158: { /* n:"BrtEndList", */ T: -1 },
		0x0159: { /* n:"BrtBeginListCols", */ T: 1 },
		0x015A: { /* n:"BrtEndListCols", */ T: -1 },
		0x015B: { /* n:"BrtBeginListCol", */ T: 1 },
		0x015C: { /* n:"BrtEndListCol", */ T: -1 },
		0x015D: { /* n:"BrtBeginListXmlCPr", */ T: 1 },
		0x015E: { /* n:"BrtEndListXmlCPr", */ T: -1 },
		0x015F: { /* n:"BrtListCCFmla" */ },
		0x0160: { /* n:"BrtListTrFmla" */ },
		0x0161: { /* n:"BrtBeginExternals", */ T: 1 },
		0x0162: { /* n:"BrtEndExternals", */ T: -1 },
		0x0163: { /* n:"BrtSupBookSrc", */ f: parse_RelID },
		0x0165: { /* n:"BrtSupSelf" */ },
		0x0166: { /* n:"BrtSupSame" */ },
		0x0167: { /* n:"BrtSupTabs" */ },
		0x0168: { /* n:"BrtBeginSupBook", */ T: 1 },
		0x0169: { /* n:"BrtPlaceholderName" */ },
		0x016A: { /* n:"BrtExternSheet", */ f: parse_ExternSheet },
		0x016B: { /* n:"BrtExternTableStart" */ },
		0x016C: { /* n:"BrtExternTableEnd" */ },
		0x016E: { /* n:"BrtExternRowHdr" */ },
		0x016F: { /* n:"BrtExternCellBlank" */ },
		0x0170: { /* n:"BrtExternCellReal" */ },
		0x0171: { /* n:"BrtExternCellBool" */ },
		0x0172: { /* n:"BrtExternCellError" */ },
		0x0173: { /* n:"BrtExternCellString" */ },
		0x0174: { /* n:"BrtBeginEsmdx", */ T: 1 },
		0x0175: { /* n:"BrtEndEsmdx", */ T: -1 },
		0x0176: { /* n:"BrtBeginMdxSet", */ T: 1 },
		0x0177: { /* n:"BrtEndMdxSet", */ T: -1 },
		0x0178: { /* n:"BrtBeginMdxMbrProp", */ T: 1 },
		0x0179: { /* n:"BrtEndMdxMbrProp", */ T: -1 },
		0x017A: { /* n:"BrtBeginMdxKPI", */ T: 1 },
		0x017B: { /* n:"BrtEndMdxKPI", */ T: -1 },
		0x017C: { /* n:"BrtBeginEsstr", */ T: 1 },
		0x017D: { /* n:"BrtEndEsstr", */ T: -1 },
		0x017E: { /* n:"BrtBeginPRFItem", */ T: 1 },
		0x017F: { /* n:"BrtEndPRFItem", */ T: -1 },
		0x0180: { /* n:"BrtBeginPivotCacheIDs", */ T: 1 },
		0x0181: { /* n:"BrtEndPivotCacheIDs", */ T: -1 },
		0x0182: { /* n:"BrtBeginPivotCacheID", */ T: 1 },
		0x0183: { /* n:"BrtEndPivotCacheID", */ T: -1 },
		0x0184: { /* n:"BrtBeginISXVIs", */ T: 1 },
		0x0185: { /* n:"BrtEndISXVIs", */ T: -1 },
		0x0186: { /* n:"BrtBeginColInfos", */ T: 1 },
		0x0187: { /* n:"BrtEndColInfos", */ T: -1 },
		0x0188: { /* n:"BrtBeginRwBrk", */ T: 1 },
		0x0189: { /* n:"BrtEndRwBrk", */ T: -1 },
		0x018A: { /* n:"BrtBeginColBrk", */ T: 1 },
		0x018B: { /* n:"BrtEndColBrk", */ T: -1 },
		0x018C: { /* n:"BrtBrk" */ },
		0x018D: { /* n:"BrtUserBookView" */ },
		0x018E: { /* n:"BrtInfo" */ },
		0x018F: { /* n:"BrtCUsr" */ },
		0x0190: { /* n:"BrtUsr" */ },
		0x0191: { /* n:"BrtBeginUsers", */ T: 1 },
		0x0193: { /* n:"BrtEOF" */ },
		0x0194: { /* n:"BrtUCR" */ },
		0x0195: { /* n:"BrtRRInsDel" */ },
		0x0196: { /* n:"BrtRREndInsDel" */ },
		0x0197: { /* n:"BrtRRMove" */ },
		0x0198: { /* n:"BrtRREndMove" */ },
		0x0199: { /* n:"BrtRRChgCell" */ },
		0x019A: { /* n:"BrtRREndChgCell" */ },
		0x019B: { /* n:"BrtRRHeader" */ },
		0x019C: { /* n:"BrtRRUserView" */ },
		0x019D: { /* n:"BrtRRRenSheet" */ },
		0x019E: { /* n:"BrtRRInsertSh" */ },
		0x019F: { /* n:"BrtRRDefName" */ },
		0x01A0: { /* n:"BrtRRNote" */ },
		0x01A1: { /* n:"BrtRRConflict" */ },
		0x01A2: { /* n:"BrtRRTQSIF" */ },
		0x01A3: { /* n:"BrtRRFormat" */ },
		0x01A4: { /* n:"BrtRREndFormat" */ },
		0x01A5: { /* n:"BrtRRAutoFmt" */ },
		0x01A6: { /* n:"BrtBeginUserShViews", */ T: 1 },
		0x01A7: { /* n:"BrtBeginUserShView", */ T: 1 },
		0x01A8: { /* n:"BrtEndUserShView", */ T: -1 },
		0x01A9: { /* n:"BrtEndUserShViews", */ T: -1 },
		0x01AA: { /* n:"BrtArrFmla", */ f: parse_BrtArrFmla },
		0x01AB: { /* n:"BrtShrFmla", */ f: parse_BrtShrFmla },
		0x01AC: { /* n:"BrtTable" */ },
		0x01AD: { /* n:"BrtBeginExtConnections", */ T: 1 },
		0x01AE: { /* n:"BrtEndExtConnections", */ T: -1 },
		0x01AF: { /* n:"BrtBeginPCDCalcMems", */ T: 1 },
		0x01B0: { /* n:"BrtEndPCDCalcMems", */ T: -1 },
		0x01B1: { /* n:"BrtBeginPCDCalcMem", */ T: 1 },
		0x01B2: { /* n:"BrtEndPCDCalcMem", */ T: -1 },
		0x01B3: { /* n:"BrtBeginPCDHGLevels", */ T: 1 },
		0x01B4: { /* n:"BrtEndPCDHGLevels", */ T: -1 },
		0x01B5: { /* n:"BrtBeginPCDHGLevel", */ T: 1 },
		0x01B6: { /* n:"BrtEndPCDHGLevel", */ T: -1 },
		0x01B7: { /* n:"BrtBeginPCDHGLGroups", */ T: 1 },
		0x01B8: { /* n:"BrtEndPCDHGLGroups", */ T: -1 },
		0x01B9: { /* n:"BrtBeginPCDHGLGroup", */ T: 1 },
		0x01BA: { /* n:"BrtEndPCDHGLGroup", */ T: -1 },
		0x01BB: { /* n:"BrtBeginPCDHGLGMembers", */ T: 1 },
		0x01BC: { /* n:"BrtEndPCDHGLGMembers", */ T: -1 },
		0x01BD: { /* n:"BrtBeginPCDHGLGMember", */ T: 1 },
		0x01BE: { /* n:"BrtEndPCDHGLGMember", */ T: -1 },
		0x01BF: { /* n:"BrtBeginQSI", */ T: 1 },
		0x01C0: { /* n:"BrtEndQSI", */ T: -1 },
		0x01C1: { /* n:"BrtBeginQSIR", */ T: 1 },
		0x01C2: { /* n:"BrtEndQSIR", */ T: -1 },
		0x01C3: { /* n:"BrtBeginDeletedNames", */ T: 1 },
		0x01C4: { /* n:"BrtEndDeletedNames", */ T: -1 },
		0x01C5: { /* n:"BrtBeginDeletedName", */ T: 1 },
		0x01C6: { /* n:"BrtEndDeletedName", */ T: -1 },
		0x01C7: { /* n:"BrtBeginQSIFs", */ T: 1 },
		0x01C8: { /* n:"BrtEndQSIFs", */ T: -1 },
		0x01C9: { /* n:"BrtBeginQSIF", */ T: 1 },
		0x01CA: { /* n:"BrtEndQSIF", */ T: -1 },
		0x01CB: { /* n:"BrtBeginAutoSortScope", */ T: 1 },
		0x01CC: { /* n:"BrtEndAutoSortScope", */ T: -1 },
		0x01CD: { /* n:"BrtBeginConditionalFormatting", */ T: 1 },
		0x01CE: { /* n:"BrtEndConditionalFormatting", */ T: -1 },
		0x01CF: { /* n:"BrtBeginCFRule", */ T: 1 },
		0x01D0: { /* n:"BrtEndCFRule", */ T: -1 },
		0x01D1: { /* n:"BrtBeginIconSet", */ T: 1 },
		0x01D2: { /* n:"BrtEndIconSet", */ T: -1 },
		0x01D3: { /* n:"BrtBeginDatabar", */ T: 1 },
		0x01D4: { /* n:"BrtEndDatabar", */ T: -1 },
		0x01D5: { /* n:"BrtBeginColorScale", */ T: 1 },
		0x01D6: { /* n:"BrtEndColorScale", */ T: -1 },
		0x01D7: { /* n:"BrtCFVO" */ },
		0x01D8: { /* n:"BrtExternValueMeta" */ },
		0x01D9: { /* n:"BrtBeginColorPalette", */ T: 1 },
		0x01DA: { /* n:"BrtEndColorPalette", */ T: -1 },
		0x01DB: { /* n:"BrtIndexedColor" */ },
		0x01DC: { /* n:"BrtMargins", */ f: parse_BrtMargins },
		0x01DD: { /* n:"BrtPrintOptions" */ },
		0x01DE: { /* n:"BrtPageSetup" */ },
		0x01DF: { /* n:"BrtBeginHeaderFooter", */ T: 1 },
		0x01E0: { /* n:"BrtEndHeaderFooter", */ T: -1 },
		0x01E1: { /* n:"BrtBeginSXCrtFormat", */ T: 1 },
		0x01E2: { /* n:"BrtEndSXCrtFormat", */ T: -1 },
		0x01E3: { /* n:"BrtBeginSXCrtFormats", */ T: 1 },
		0x01E4: { /* n:"BrtEndSXCrtFormats", */ T: -1 },
		0x01E5: { /* n:"BrtWsFmtInfo", */ f: parse_BrtWsFmtInfo },
		0x01E6: { /* n:"BrtBeginMgs", */ T: 1 },
		0x01E7: { /* n:"BrtEndMGs", */ T: -1 },
		0x01E8: { /* n:"BrtBeginMGMaps", */ T: 1 },
		0x01E9: { /* n:"BrtEndMGMaps", */ T: -1 },
		0x01EA: { /* n:"BrtBeginMG", */ T: 1 },
		0x01EB: { /* n:"BrtEndMG", */ T: -1 },
		0x01EC: { /* n:"BrtBeginMap", */ T: 1 },
		0x01ED: { /* n:"BrtEndMap", */ T: -1 },
		0x01EE: { /* n:"BrtHLink", */ f: parse_BrtHLink },
		0x01EF: { /* n:"BrtBeginDCon", */ T: 1 },
		0x01F0: { /* n:"BrtEndDCon", */ T: -1 },
		0x01F1: { /* n:"BrtBeginDRefs", */ T: 1 },
		0x01F2: { /* n:"BrtEndDRefs", */ T: -1 },
		0x01F3: { /* n:"BrtDRef" */ },
		0x01F4: { /* n:"BrtBeginScenMan", */ T: 1 },
		0x01F5: { /* n:"BrtEndScenMan", */ T: -1 },
		0x01F6: { /* n:"BrtBeginSct", */ T: 1 },
		0x01F7: { /* n:"BrtEndSct", */ T: -1 },
		0x01F8: { /* n:"BrtSlc" */ },
		0x01F9: { /* n:"BrtBeginDXFs", */ T: 1 },
		0x01FA: { /* n:"BrtEndDXFs", */ T: -1 },
		0x01FB: { /* n:"BrtDXF" */ },
		0x01FC: { /* n:"BrtBeginTableStyles", */ T: 1 },
		0x01FD: { /* n:"BrtEndTableStyles", */ T: -1 },
		0x01FE: { /* n:"BrtBeginTableStyle", */ T: 1 },
		0x01FF: { /* n:"BrtEndTableStyle", */ T: -1 },
		0x0200: { /* n:"BrtTableStyleElement" */ },
		0x0201: { /* n:"BrtTableStyleClient" */ },
		0x0202: { /* n:"BrtBeginVolDeps", */ T: 1 },
		0x0203: { /* n:"BrtEndVolDeps", */ T: -1 },
		0x0204: { /* n:"BrtBeginVolType", */ T: 1 },
		0x0205: { /* n:"BrtEndVolType", */ T: -1 },
		0x0206: { /* n:"BrtBeginVolMain", */ T: 1 },
		0x0207: { /* n:"BrtEndVolMain", */ T: -1 },
		0x0208: { /* n:"BrtBeginVolTopic", */ T: 1 },
		0x0209: { /* n:"BrtEndVolTopic", */ T: -1 },
		0x020A: { /* n:"BrtVolSubtopic" */ },
		0x020B: { /* n:"BrtVolRef" */ },
		0x020C: { /* n:"BrtVolNum" */ },
		0x020D: { /* n:"BrtVolErr" */ },
		0x020E: { /* n:"BrtVolStr" */ },
		0x020F: { /* n:"BrtVolBool" */ },
		0x0210: { /* n:"BrtBeginCalcChain$", */ T: 1 },
		0x0211: { /* n:"BrtEndCalcChain$", */ T: -1 },
		0x0212: { /* n:"BrtBeginSortState", */ T: 1 },
		0x0213: { /* n:"BrtEndSortState", */ T: -1 },
		0x0214: { /* n:"BrtBeginSortCond", */ T: 1 },
		0x0215: { /* n:"BrtEndSortCond", */ T: -1 },
		0x0216: { /* n:"BrtBookProtection" */ },
		0x0217: { /* n:"BrtSheetProtection" */ },
		0x0218: { /* n:"BrtRangeProtection" */ },
		0x0219: { /* n:"BrtPhoneticInfo" */ },
		0x021A: { /* n:"BrtBeginECTxtWiz", */ T: 1 },
		0x021B: { /* n:"BrtEndECTxtWiz", */ T: -1 },
		0x021C: { /* n:"BrtBeginECTWFldInfoLst", */ T: 1 },
		0x021D: { /* n:"BrtEndECTWFldInfoLst", */ T: -1 },
		0x021E: { /* n:"BrtBeginECTwFldInfo", */ T: 1 },
		0x0224: { /* n:"BrtFileSharing" */ },
		0x0225: { /* n:"BrtOleSize" */ },
		0x0226: { /* n:"BrtDrawing", */ f: parse_RelID },
		0x0227: { /* n:"BrtLegacyDrawing", */ f: parse_XLNullableWideString },
		0x0228: { /* n:"BrtLegacyDrawingHF" */ },
		0x0229: { /* n:"BrtWebOpt" */ },
		0x022A: { /* n:"BrtBeginWebPubItems", */ T: 1 },
		0x022B: { /* n:"BrtEndWebPubItems", */ T: -1 },
		0x022C: { /* n:"BrtBeginWebPubItem", */ T: 1 },
		0x022D: { /* n:"BrtEndWebPubItem", */ T: -1 },
		0x022E: { /* n:"BrtBeginSXCondFmt", */ T: 1 },
		0x022F: { /* n:"BrtEndSXCondFmt", */ T: -1 },
		0x0230: { /* n:"BrtBeginSXCondFmts", */ T: 1 },
		0x0231: { /* n:"BrtEndSXCondFmts", */ T: -1 },
		0x0232: { /* n:"BrtBkHim" */ },
		0x0234: { /* n:"BrtColor" */ },
		0x0235: { /* n:"BrtBeginIndexedColors", */ T: 1 },
		0x0236: { /* n:"BrtEndIndexedColors", */ T: -1 },
		0x0239: { /* n:"BrtBeginMRUColors", */ T: 1 },
		0x023A: { /* n:"BrtEndMRUColors", */ T: -1 },
		0x023C: { /* n:"BrtMRUColor" */ },
		0x023D: { /* n:"BrtBeginDVals", */ T: 1 },
		0x023E: { /* n:"BrtEndDVals", */ T: -1 },
		0x0241: { /* n:"BrtSupNameStart" */ },
		0x0242: { /* n:"BrtSupNameValueStart" */ },
		0x0243: { /* n:"BrtSupNameValueEnd" */ },
		0x0244: { /* n:"BrtSupNameNum" */ },
		0x0245: { /* n:"BrtSupNameErr" */ },
		0x0246: { /* n:"BrtSupNameSt" */ },
		0x0247: { /* n:"BrtSupNameNil" */ },
		0x0248: { /* n:"BrtSupNameBool" */ },
		0x0249: { /* n:"BrtSupNameFmla" */ },
		0x024A: { /* n:"BrtSupNameBits" */ },
		0x024B: { /* n:"BrtSupNameEnd" */ },
		0x024C: { /* n:"BrtEndSupBook", */ T: -1 },
		0x024D: { /* n:"BrtCellSmartTagProperty" */ },
		0x024E: { /* n:"BrtBeginCellSmartTag", */ T: 1 },
		0x024F: { /* n:"BrtEndCellSmartTag", */ T: -1 },
		0x0250: { /* n:"BrtBeginCellSmartTags", */ T: 1 },
		0x0251: { /* n:"BrtEndCellSmartTags", */ T: -1 },
		0x0252: { /* n:"BrtBeginSmartTags", */ T: 1 },
		0x0253: { /* n:"BrtEndSmartTags", */ T: -1 },
		0x0254: { /* n:"BrtSmartTagType" */ },
		0x0255: { /* n:"BrtBeginSmartTagTypes", */ T: 1 },
		0x0256: { /* n:"BrtEndSmartTagTypes", */ T: -1 },
		0x0257: { /* n:"BrtBeginSXFilters", */ T: 1 },
		0x0258: { /* n:"BrtEndSXFilters", */ T: -1 },
		0x0259: { /* n:"BrtBeginSXFILTER", */ T: 1 },
		0x025A: { /* n:"BrtEndSXFilter", */ T: -1 },
		0x025B: { /* n:"BrtBeginFills", */ T: 1 },
		0x025C: { /* n:"BrtEndFills", */ T: -1 },
		0x025D: { /* n:"BrtBeginCellWatches", */ T: 1 },
		0x025E: { /* n:"BrtEndCellWatches", */ T: -1 },
		0x025F: { /* n:"BrtCellWatch" */ },
		0x0260: { /* n:"BrtBeginCRErrs", */ T: 1 },
		0x0261: { /* n:"BrtEndCRErrs", */ T: -1 },
		0x0262: { /* n:"BrtCrashRecErr" */ },
		0x0263: { /* n:"BrtBeginFonts", */ T: 1 },
		0x0264: { /* n:"BrtEndFonts", */ T: -1 },
		0x0265: { /* n:"BrtBeginBorders", */ T: 1 },
		0x0266: { /* n:"BrtEndBorders", */ T: -1 },
		0x0267: { /* n:"BrtBeginFmts", */ T: 1 },
		0x0268: { /* n:"BrtEndFmts", */ T: -1 },
		0x0269: { /* n:"BrtBeginCellXFs", */ T: 1 },
		0x026A: { /* n:"BrtEndCellXFs", */ T: -1 },
		0x026B: { /* n:"BrtBeginStyles", */ T: 1 },
		0x026C: { /* n:"BrtEndStyles", */ T: -1 },
		0x0271: { /* n:"BrtBigName" */ },
		0x0272: { /* n:"BrtBeginCellStyleXFs", */ T: 1 },
		0x0273: { /* n:"BrtEndCellStyleXFs", */ T: -1 },
		0x0274: { /* n:"BrtBeginComments", */ T: 1 },
		0x0275: { /* n:"BrtEndComments", */ T: -1 },
		0x0276: { /* n:"BrtBeginCommentAuthors", */ T: 1 },
		0x0277: { /* n:"BrtEndCommentAuthors", */ T: -1 },
		0x0278: { /* n:"BrtCommentAuthor", */ f: parse_BrtCommentAuthor },
		0x0279: { /* n:"BrtBeginCommentList", */ T: 1 },
		0x027A: { /* n:"BrtEndCommentList", */ T: -1 },
		0x027B: { /* n:"BrtBeginComment", */ T: 1, f: parse_BrtBeginComment },
		0x027C: { /* n:"BrtEndComment", */ T: -1 },
		0x027D: { /* n:"BrtCommentText", */ f: parse_BrtCommentText },
		0x027E: { /* n:"BrtBeginOleObjects", */ T: 1 },
		0x027F: { /* n:"BrtOleObject" */ },
		0x0280: { /* n:"BrtEndOleObjects", */ T: -1 },
		0x0281: { /* n:"BrtBeginSxrules", */ T: 1 },
		0x0282: { /* n:"BrtEndSxRules", */ T: -1 },
		0x0283: { /* n:"BrtBeginActiveXControls", */ T: 1 },
		0x0284: { /* n:"BrtActiveX" */ },
		0x0285: { /* n:"BrtEndActiveXControls", */ T: -1 },
		0x0286: { /* n:"BrtBeginPCDSDTCEMembersSortBy", */ T: 1 },
		0x0288: { /* n:"BrtBeginCellIgnoreECs", */ T: 1 },
		0x0289: { /* n:"BrtCellIgnoreEC" */ },
		0x028A: { /* n:"BrtEndCellIgnoreECs", */ T: -1 },
		0x028B: { /* n:"BrtCsProp", */ f: parse_BrtCsProp },
		0x028C: { /* n:"BrtCsPageSetup" */ },
		0x028D: { /* n:"BrtBeginUserCsViews", */ T: 1 },
		0x028E: { /* n:"BrtEndUserCsViews", */ T: -1 },
		0x028F: { /* n:"BrtBeginUserCsView", */ T: 1 },
		0x0290: { /* n:"BrtEndUserCsView", */ T: -1 },
		0x0291: { /* n:"BrtBeginPcdSFCIEntries", */ T: 1 },
		0x0292: { /* n:"BrtEndPCDSFCIEntries", */ T: -1 },
		0x0293: { /* n:"BrtPCDSFCIEntry" */ },
		0x0294: { /* n:"BrtBeginListParts", */ T: 1 },
		0x0295: { /* n:"BrtListPart" */ },
		0x0296: { /* n:"BrtEndListParts", */ T: -1 },
		0x0297: { /* n:"BrtSheetCalcProp" */ },
		0x0298: { /* n:"BrtBeginFnGroup", */ T: 1 },
		0x0299: { /* n:"BrtFnGroup" */ },
		0x029A: { /* n:"BrtEndFnGroup", */ T: -1 },
		0x029B: { /* n:"BrtSupAddin" */ },
		0x029C: { /* n:"BrtSXTDMPOrder" */ },
		0x029D: { /* n:"BrtCsProtection" */ },
		0x029F: { /* n:"BrtBeginWsSortMap", */ T: 1 },
		0x02A0: { /* n:"BrtEndWsSortMap", */ T: -1 },
		0x02A1: { /* n:"BrtBeginRRSort", */ T: 1 },
		0x02A2: { /* n:"BrtEndRRSort", */ T: -1 },
		0x02A3: { /* n:"BrtRRSortItem" */ },
		0x02A4: { /* n:"BrtFileSharingIso" */ },
		0x02A5: { /* n:"BrtBookProtectionIso" */ },
		0x02A6: { /* n:"BrtSheetProtectionIso" */ },
		0x02A7: { /* n:"BrtCsProtectionIso" */ },
		0x02A8: { /* n:"BrtRangeProtectionIso" */ },
		0x02A9: { /* n:"BrtDValList" */ },
		0x0400: { /* n:"BrtRwDescent" */ },
		0x0401: { /* n:"BrtKnownFonts" */ },
		0x0402: { /* n:"BrtBeginSXTupleSet", */ T: 1 },
		0x0403: { /* n:"BrtEndSXTupleSet", */ T: -1 },
		0x0404: { /* n:"BrtBeginSXTupleSetHeader", */ T: 1 },
		0x0405: { /* n:"BrtEndSXTupleSetHeader", */ T: -1 },
		0x0406: { /* n:"BrtSXTupleSetHeaderItem" */ },
		0x0407: { /* n:"BrtBeginSXTupleSetData", */ T: 1 },
		0x0408: { /* n:"BrtEndSXTupleSetData", */ T: -1 },
		0x0409: { /* n:"BrtBeginSXTupleSetRow", */ T: 1 },
		0x040A: { /* n:"BrtEndSXTupleSetRow", */ T: -1 },
		0x040B: { /* n:"BrtSXTupleSetRowItem" */ },
		0x040C: { /* n:"BrtNameExt" */ },
		0x040D: { /* n:"BrtPCDH14" */ },
		0x040E: { /* n:"BrtBeginPCDCalcMem14", */ T: 1 },
		0x040F: { /* n:"BrtEndPCDCalcMem14", */ T: -1 },
		0x0410: { /* n:"BrtSXTH14" */ },
		0x0411: { /* n:"BrtBeginSparklineGroup", */ T: 1 },
		0x0412: { /* n:"BrtEndSparklineGroup", */ T: -1 },
		0x0413: { /* n:"BrtSparkline" */ },
		0x0414: { /* n:"BrtSXDI14" */ },
		0x0415: { /* n:"BrtWsFmtInfoEx14" */ },
		0x0416: { /* n:"BrtBeginConditionalFormatting14", */ T: 1 },
		0x0417: { /* n:"BrtEndConditionalFormatting14", */ T: -1 },
		0x0418: { /* n:"BrtBeginCFRule14", */ T: 1 },
		0x0419: { /* n:"BrtEndCFRule14", */ T: -1 },
		0x041A: { /* n:"BrtCFVO14" */ },
		0x041B: { /* n:"BrtBeginDatabar14", */ T: 1 },
		0x041C: { /* n:"BrtBeginIconSet14", */ T: 1 },
		0x041D: { /* n:"BrtDVal14", */ f: parse_BrtDVal14 },
		0x041E: { /* n:"BrtBeginDVals14", */ T: 1 },
		0x041F: { /* n:"BrtColor14" */ },
		0x0420: { /* n:"BrtBeginSparklines", */ T: 1 },
		0x0421: { /* n:"BrtEndSparklines", */ T: -1 },
		0x0422: { /* n:"BrtBeginSparklineGroups", */ T: 1 },
		0x0423: { /* n:"BrtEndSparklineGroups", */ T: -1 },
		0x0425: { /* n:"BrtSXVD14" */ },
		0x0426: { /* n:"BrtBeginSXView14", */ T: 1 },
		0x0427: { /* n:"BrtEndSXView14", */ T: -1 },
		0x0428: { /* n:"BrtBeginSXView16", */ T: 1 },
		0x0429: { /* n:"BrtEndSXView16", */ T: -1 },
		0x042A: { /* n:"BrtBeginPCD14", */ T: 1 },
		0x042B: { /* n:"BrtEndPCD14", */ T: -1 },
		0x042C: { /* n:"BrtBeginExtConn14", */ T: 1 },
		0x042D: { /* n:"BrtEndExtConn14", */ T: -1 },
		0x042E: { /* n:"BrtBeginSlicerCacheIDs", */ T: 1 },
		0x042F: { /* n:"BrtEndSlicerCacheIDs", */ T: -1 },
		0x0430: { /* n:"BrtBeginSlicerCacheID", */ T: 1 },
		0x0431: { /* n:"BrtEndSlicerCacheID", */ T: -1 },
		0x0433: { /* n:"BrtBeginSlicerCache", */ T: 1 },
		0x0434: { /* n:"BrtEndSlicerCache", */ T: -1 },
		0x0435: { /* n:"BrtBeginSlicerCacheDef", */ T: 1 },
		0x0436: { /* n:"BrtEndSlicerCacheDef", */ T: -1 },
		0x0437: { /* n:"BrtBeginSlicersEx", */ T: 1 },
		0x0438: { /* n:"BrtEndSlicersEx", */ T: -1 },
		0x0439: { /* n:"BrtBeginSlicerEx", */ T: 1 },
		0x043A: { /* n:"BrtEndSlicerEx", */ T: -1 },
		0x043B: { /* n:"BrtBeginSlicer", */ T: 1 },
		0x043C: { /* n:"BrtEndSlicer", */ T: -1 },
		0x043D: { /* n:"BrtSlicerCachePivotTables" */ },
		0x043E: { /* n:"BrtBeginSlicerCacheOlapImpl", */ T: 1 },
		0x043F: { /* n:"BrtEndSlicerCacheOlapImpl", */ T: -1 },
		0x0440: { /* n:"BrtBeginSlicerCacheLevelsData", */ T: 1 },
		0x0441: { /* n:"BrtEndSlicerCacheLevelsData", */ T: -1 },
		0x0442: { /* n:"BrtBeginSlicerCacheLevelData", */ T: 1 },
		0x0443: { /* n:"BrtEndSlicerCacheLevelData", */ T: -1 },
		0x0444: { /* n:"BrtBeginSlicerCacheSiRanges", */ T: 1 },
		0x0445: { /* n:"BrtEndSlicerCacheSiRanges", */ T: -1 },
		0x0446: { /* n:"BrtBeginSlicerCacheSiRange", */ T: 1 },
		0x0447: { /* n:"BrtEndSlicerCacheSiRange", */ T: -1 },
		0x0448: { /* n:"BrtSlicerCacheOlapItem" */ },
		0x0449: { /* n:"BrtBeginSlicerCacheSelections", */ T: 1 },
		0x044A: { /* n:"BrtSlicerCacheSelection" */ },
		0x044B: { /* n:"BrtEndSlicerCacheSelections", */ T: -1 },
		0x044C: { /* n:"BrtBeginSlicerCacheNative", */ T: 1 },
		0x044D: { /* n:"BrtEndSlicerCacheNative", */ T: -1 },
		0x044E: { /* n:"BrtSlicerCacheNativeItem" */ },
		0x044F: { /* n:"BrtRangeProtection14" */ },
		0x0450: { /* n:"BrtRangeProtectionIso14" */ },
		0x0451: { /* n:"BrtCellIgnoreEC14" */ },
		0x0457: { /* n:"BrtList14" */ },
		0x0458: { /* n:"BrtCFIcon" */ },
		0x0459: { /* n:"BrtBeginSlicerCachesPivotCacheIDs", */ T: 1 },
		0x045A: { /* n:"BrtEndSlicerCachesPivotCacheIDs", */ T: -1 },
		0x045B: { /* n:"BrtBeginSlicers", */ T: 1 },
		0x045C: { /* n:"BrtEndSlicers", */ T: -1 },
		0x045D: { /* n:"BrtWbProp14" */ },
		0x045E: { /* n:"BrtBeginSXEdit", */ T: 1 },
		0x045F: { /* n:"BrtEndSXEdit", */ T: -1 },
		0x0460: { /* n:"BrtBeginSXEdits", */ T: 1 },
		0x0461: { /* n:"BrtEndSXEdits", */ T: -1 },
		0x0462: { /* n:"BrtBeginSXChange", */ T: 1 },
		0x0463: { /* n:"BrtEndSXChange", */ T: -1 },
		0x0464: { /* n:"BrtBeginSXChanges", */ T: 1 },
		0x0465: { /* n:"BrtEndSXChanges", */ T: -1 },
		0x0466: { /* n:"BrtSXTupleItems" */ },
		0x0468: { /* n:"BrtBeginSlicerStyle", */ T: 1 },
		0x0469: { /* n:"BrtEndSlicerStyle", */ T: -1 },
		0x046A: { /* n:"BrtSlicerStyleElement" */ },
		0x046B: { /* n:"BrtBeginStyleSheetExt14", */ T: 1 },
		0x046C: { /* n:"BrtEndStyleSheetExt14", */ T: -1 },
		0x046D: { /* n:"BrtBeginSlicerCachesPivotCacheID", */ T: 1 },
		0x046E: { /* n:"BrtEndSlicerCachesPivotCacheID", */ T: -1 },
		0x046F: { /* n:"BrtBeginConditionalFormattings", */ T: 1 },
		0x0470: { /* n:"BrtEndConditionalFormattings", */ T: -1 },
		0x0471: { /* n:"BrtBeginPCDCalcMemExt", */ T: 1 },
		0x0472: { /* n:"BrtEndPCDCalcMemExt", */ T: -1 },
		0x0473: { /* n:"BrtBeginPCDCalcMemsExt", */ T: 1 },
		0x0474: { /* n:"BrtEndPCDCalcMemsExt", */ T: -1 },
		0x0475: { /* n:"BrtPCDField14" */ },
		0x0476: { /* n:"BrtBeginSlicerStyles", */ T: 1 },
		0x0477: { /* n:"BrtEndSlicerStyles", */ T: -1 },
		0x0478: { /* n:"BrtBeginSlicerStyleElements", */ T: 1 },
		0x0479: { /* n:"BrtEndSlicerStyleElements", */ T: -1 },
		0x047A: { /* n:"BrtCFRuleExt" */ },
		0x047B: { /* n:"BrtBeginSXCondFmt14", */ T: 1 },
		0x047C: { /* n:"BrtEndSXCondFmt14", */ T: -1 },
		0x047D: { /* n:"BrtBeginSXCondFmts14", */ T: 1 },
		0x047E: { /* n:"BrtEndSXCondFmts14", */ T: -1 },
		0x0480: { /* n:"BrtBeginSortCond14", */ T: 1 },
		0x0481: { /* n:"BrtEndSortCond14", */ T: -1 },
		0x0482: { /* n:"BrtEndDVals14", */ T: -1 },
		0x0483: { /* n:"BrtEndIconSet14", */ T: -1 },
		0x0484: { /* n:"BrtEndDatabar14", */ T: -1 },
		0x0485: { /* n:"BrtBeginColorScale14", */ T: 1 },
		0x0486: { /* n:"BrtEndColorScale14", */ T: -1 },
		0x0487: { /* n:"BrtBeginSxrules14", */ T: 1 },
		0x0488: { /* n:"BrtEndSxrules14", */ T: -1 },
		0x0489: { /* n:"BrtBeginPRule14", */ T: 1 },
		0x048A: { /* n:"BrtEndPRule14", */ T: -1 },
		0x048B: { /* n:"BrtBeginPRFilters14", */ T: 1 },
		0x048C: { /* n:"BrtEndPRFilters14", */ T: -1 },
		0x048D: { /* n:"BrtBeginPRFilter14", */ T: 1 },
		0x048E: { /* n:"BrtEndPRFilter14", */ T: -1 },
		0x048F: { /* n:"BrtBeginPRFItem14", */ T: 1 },
		0x0490: { /* n:"BrtEndPRFItem14", */ T: -1 },
		0x0491: { /* n:"BrtBeginCellIgnoreECs14", */ T: 1 },
		0x0492: { /* n:"BrtEndCellIgnoreECs14", */ T: -1 },
		0x0493: { /* n:"BrtDxf14" */ },
		0x0494: { /* n:"BrtBeginDxF14s", */ T: 1 },
		0x0495: { /* n:"BrtEndDxf14s", */ T: -1 },
		0x0499: { /* n:"BrtFilter14" */ },
		0x049A: { /* n:"BrtBeginCustomFilters14", */ T: 1 },
		0x049C: { /* n:"BrtCustomFilter14" */ },
		0x049D: { /* n:"BrtIconFilter14" */ },
		0x049E: { /* n:"BrtPivotCacheConnectionName" */ },
		0x0800: { /* n:"BrtBeginDecoupledPivotCacheIDs", */ T: 1 },
		0x0801: { /* n:"BrtEndDecoupledPivotCacheIDs", */ T: -1 },
		0x0802: { /* n:"BrtDecoupledPivotCacheID" */ },
		0x0803: { /* n:"BrtBeginPivotTableRefs", */ T: 1 },
		0x0804: { /* n:"BrtEndPivotTableRefs", */ T: -1 },
		0x0805: { /* n:"BrtPivotTableRef" */ },
		0x0806: { /* n:"BrtSlicerCacheBookPivotTables" */ },
		0x0807: { /* n:"BrtBeginSxvcells", */ T: 1 },
		0x0808: { /* n:"BrtEndSxvcells", */ T: -1 },
		0x0809: { /* n:"BrtBeginSxRow", */ T: 1 },
		0x080A: { /* n:"BrtEndSxRow", */ T: -1 },
		0x080C: { /* n:"BrtPcdCalcMem15" */ },
		0x0813: { /* n:"BrtQsi15" */ },
		0x0814: { /* n:"BrtBeginWebExtensions", */ T: 1 },
		0x0815: { /* n:"BrtEndWebExtensions", */ T: -1 },
		0x0816: { /* n:"BrtWebExtension" */ },
		0x0817: { /* n:"BrtAbsPath15" */ },
		0x0818: { /* n:"BrtBeginPivotTableUISettings", */ T: 1 },
		0x0819: { /* n:"BrtEndPivotTableUISettings", */ T: -1 },
		0x081B: { /* n:"BrtTableSlicerCacheIDs" */ },
		0x081C: { /* n:"BrtTableSlicerCacheID" */ },
		0x081D: { /* n:"BrtBeginTableSlicerCache", */ T: 1 },
		0x081E: { /* n:"BrtEndTableSlicerCache", */ T: -1 },
		0x081F: { /* n:"BrtSxFilter15" */ },
		0x0820: { /* n:"BrtBeginTimelineCachePivotCacheIDs", */ T: 1 },
		0x0821: { /* n:"BrtEndTimelineCachePivotCacheIDs", */ T: -1 },
		0x0822: { /* n:"BrtTimelineCachePivotCacheID" */ },
		0x0823: { /* n:"BrtBeginTimelineCacheIDs", */ T: 1 },
		0x0824: { /* n:"BrtEndTimelineCacheIDs", */ T: -1 },
		0x0825: { /* n:"BrtBeginTimelineCacheID", */ T: 1 },
		0x0826: { /* n:"BrtEndTimelineCacheID", */ T: -1 },
		0x0827: { /* n:"BrtBeginTimelinesEx", */ T: 1 },
		0x0828: { /* n:"BrtEndTimelinesEx", */ T: -1 },
		0x0829: { /* n:"BrtBeginTimelineEx", */ T: 1 },
		0x082A: { /* n:"BrtEndTimelineEx", */ T: -1 },
		0x082B: { /* n:"BrtWorkBookPr15" */ },
		0x082C: { /* n:"BrtPCDH15" */ },
		0x082D: { /* n:"BrtBeginTimelineStyle", */ T: 1 },
		0x082E: { /* n:"BrtEndTimelineStyle", */ T: -1 },
		0x082F: { /* n:"BrtTimelineStyleElement" */ },
		0x0830: { /* n:"BrtBeginTimelineStylesheetExt15", */ T: 1 },
		0x0831: { /* n:"BrtEndTimelineStylesheetExt15", */ T: -1 },
		0x0832: { /* n:"BrtBeginTimelineStyles", */ T: 1 },
		0x0833: { /* n:"BrtEndTimelineStyles", */ T: -1 },
		0x0834: { /* n:"BrtBeginTimelineStyleElements", */ T: 1 },
		0x0835: { /* n:"BrtEndTimelineStyleElements", */ T: -1 },
		0x0836: { /* n:"BrtDxf15" */ },
		0x0837: { /* n:"BrtBeginDxfs15", */ T: 1 },
		0x0838: { /* n:"BrtEndDxfs15", */ T: -1 },
		0x0839: { /* n:"BrtSlicerCacheHideItemsWithNoData" */ },
		0x083A: { /* n:"BrtBeginItemUniqueNames", */ T: 1 },
		0x083B: { /* n:"BrtEndItemUniqueNames", */ T: -1 },
		0x083C: { /* n:"BrtItemUniqueName" */ },
		0x083D: { /* n:"BrtBeginExtConn15", */ T: 1 },
		0x083E: { /* n:"BrtEndExtConn15", */ T: -1 },
		0x083F: { /* n:"BrtBeginOledbPr15", */ T: 1 },
		0x0840: { /* n:"BrtEndOledbPr15", */ T: -1 },
		0x0841: { /* n:"BrtBeginDataFeedPr15", */ T: 1 },
		0x0842: { /* n:"BrtEndDataFeedPr15", */ T: -1 },
		0x0843: { /* n:"BrtTextPr15" */ },
		0x0844: { /* n:"BrtRangePr15" */ },
		0x0845: { /* n:"BrtDbCommand15" */ },
		0x0846: { /* n:"BrtBeginDbTables15", */ T: 1 },
		0x0847: { /* n:"BrtEndDbTables15", */ T: -1 },
		0x0848: { /* n:"BrtDbTable15" */ },
		0x0849: { /* n:"BrtBeginDataModel", */ T: 1 },
		0x084A: { /* n:"BrtEndDataModel", */ T: -1 },
		0x084B: { /* n:"BrtBeginModelTables", */ T: 1 },
		0x084C: { /* n:"BrtEndModelTables", */ T: -1 },
		0x084D: { /* n:"BrtModelTable" */ },
		0x084E: { /* n:"BrtBeginModelRelationships", */ T: 1 },
		0x084F: { /* n:"BrtEndModelRelationships", */ T: -1 },
		0x0850: { /* n:"BrtModelRelationship" */ },
		0x0851: { /* n:"BrtBeginECTxtWiz15", */ T: 1 },
		0x0852: { /* n:"BrtEndECTxtWiz15", */ T: -1 },
		0x0853: { /* n:"BrtBeginECTWFldInfoLst15", */ T: 1 },
		0x0854: { /* n:"BrtEndECTWFldInfoLst15", */ T: -1 },
		0x0855: { /* n:"BrtBeginECTWFldInfo15", */ T: 1 },
		0x0856: { /* n:"BrtFieldListActiveItem" */ },
		0x0857: { /* n:"BrtPivotCacheIdVersion" */ },
		0x0858: { /* n:"BrtSXDI15" */ },
		0x0859: { /* n:"BrtBeginModelTimeGroupings", */ T: 1 },
		0x085A: { /* n:"BrtEndModelTimeGroupings", */ T: -1 },
		0x085B: { /* n:"BrtBeginModelTimeGrouping", */ T: 1 },
		0x085C: { /* n:"BrtEndModelTimeGrouping", */ T: -1 },
		0x085D: { /* n:"BrtModelTimeGroupingCalcCol" */ },
		0x0C00: { /* n:"BrtUid" */ },
		0x0C01: { /* n:"BrtRevisionPtr" */ },
		0x1000: { /* n:"BrtBeginDynamicArrayPr", */ T: 1 },
		0x1001: { /* n:"BrtEndDynamicArrayPr", */ T: -1 },
		0x138A: { /* n:"BrtBeginRichValueBlock", */ T: 1 },
		0x138B: { /* n:"BrtEndRichValueBlock", */ T: -1 },
		0x13D9: { /* n:"BrtBeginRichFilters", */ T: 1 },
		0x13DA: { /* n:"BrtEndRichFilters", */ T: -1 },
		0x13DB: { /* n:"BrtRichFilter" */ },
		0x13DC: { /* n:"BrtBeginRichFilterColumn", */ T: 1 },
		0x13DD: { /* n:"BrtEndRichFilterColumn", */ T: -1 },
		0x13DE: { /* n:"BrtBeginCustomRichFilters", */ T: 1 },
		0x13DF: { /* n:"BrtEndCustomRichFilters", */ T: -1 },
		0x13E0: { /* n:"BrtCustomRichFilter" */ },
		0x13E1: { /* n:"BrtTop10RichFilter" */ },
		0x13E2: { /* n:"BrtDynamicRichFilter" */ },
		0x13E4: { /* n:"BrtBeginRichSortCondition", */ T: 1 },
		0x13E5: { /* n:"BrtEndRichSortCondition", */ T: -1 },
		0x13E6: { /* n:"BrtRichFilterDateGroupItem" */ },
		0x13E7: { /* n:"BrtBeginCalcFeatures", */ T: 1 },
		0x13E8: { /* n:"BrtEndCalcFeatures", */ T: -1 },
		0x13E9: { /* n:"BrtCalcFeature" */ },
		0x13EB: { /* n:"BrtExternalLinksPr" */ },
		0xFFFF: { n: "" }
	};

	/* [MS-XLS] 2.3 Record Enumeration (and other sources) */
	var XLSRecordEnum = {
		/* [MS-XLS] 2.3 Record Enumeration 2021-08-17 */
		0x0006: { /* n:"Formula", */ f: parse_Formula },
		0x000a: { /* n:"EOF", */ f: parsenoop2 },
		0x000c: { /* n:"CalcCount", */ f: parseuint16 }, //
		0x000d: { /* n:"CalcMode", */ f: parseuint16 }, //
		0x000e: { /* n:"CalcPrecision", */ f: parsebool }, //
		0x000f: { /* n:"CalcRefMode", */ f: parsebool }, //
		0x0010: { /* n:"CalcDelta", */ f: parse_Xnum }, //
		0x0011: { /* n:"CalcIter", */ f: parsebool }, //
		0x0012: { /* n:"Protect", */ f: parsebool },
		0x0013: { /* n:"Password", */ f: parseuint16 },
		0x0014: { /* n:"Header", */ f: parse_XLHeaderFooter },
		0x0015: { /* n:"Footer", */ f: parse_XLHeaderFooter },
		0x0017: { /* n:"ExternSheet", */ f: parse_ExternSheet },
		0x0018: { /* n:"Lbl", */ f: parse_Lbl },
		0x0019: { /* n:"WinProtect", */ f: parsebool },
		0x001a: { /* n:"VerticalPageBreaks", */ },
		0x001b: { /* n:"HorizontalPageBreaks", */ },
		0x001c: { /* n:"Note", */ f: parse_Note },
		0x001d: { /* n:"Selection", */ },
		0x0022: { /* n:"Date1904", */ f: parsebool },
		0x0023: { /* n:"ExternName", */ f: parse_ExternName },
		0x0026: { /* n:"LeftMargin", */ f: parse_Xnum }, // *
		0x0027: { /* n:"RightMargin", */ f: parse_Xnum }, // *
		0x0028: { /* n:"TopMargin", */ f: parse_Xnum }, // *
		0x0029: { /* n:"BottomMargin", */ f: parse_Xnum }, // *
		0x002a: { /* n:"PrintRowCol", */ f: parsebool },
		0x002b: { /* n:"PrintGrid", */ f: parsebool },
		0x002f: { /* n:"FilePass", */ f: parse_FilePass },
		0x0031: { /* n:"Font", */ f: parse_Font },
		0x0033: { /* n:"PrintSize", */ f: parseuint16 },
		0x003c: { /* n:"Continue", */ },
		0x003d: { /* n:"Window1", */ f: parse_Window1 },
		0x0040: { /* n:"Backup", */ f: parsebool },
		0x0041: { /* n:"Pane", */ f: parse_Pane },
		0x0042: { /* n:"CodePage", */ f: parseuint16 },
		0x004d: { /* n:"Pls", */ },
		0x0050: { /* n:"DCon", */ },
		0x0051: { /* n:"DConRef", */ },
		0x0052: { /* n:"DConName", */ },
		0x0055: { /* n:"DefColWidth", */ f: parseuint16 },
		0x0059: { /* n:"XCT", */ },
		0x005a: { /* n:"CRN", */ },
		0x005b: { /* n:"FileSharing", */ },
		0x005c: { /* n:"WriteAccess", */ f: parse_WriteAccess },
		0x005d: { /* n:"Obj", */ f: parse_Obj },
		0x005e: { /* n:"Uncalced", */ },
		0x005f: { /* n:"CalcSaveRecalc", */ f: parsebool }, //
		0x0060: { /* n:"Template", */ },
		0x0061: { /* n:"Intl", */ },
		0x0063: { /* n:"ObjProtect", */ f: parsebool },
		0x007d: { /* n:"ColInfo", */ f: parse_ColInfo },
		0x0080: { /* n:"Guts", */ f: parse_Guts },
		0x0081: { /* n:"WsBool", */ f: parse_WsBool },
		0x0082: { /* n:"GridSet", */ f: parseuint16 },
		0x0083: { /* n:"HCenter", */ f: parsebool },
		0x0084: { /* n:"VCenter", */ f: parsebool },
		0x0085: { /* n:"BoundSheet8", */ f: parse_BoundSheet8 },
		0x0086: { /* n:"WriteProtect", */ },
		0x008c: { /* n:"Country", */ f: parse_Country },
		0x008d: { /* n:"HideObj", */ f: parseuint16 },
		0x0090: { /* n:"Sort", */ },
		0x0092: { /* n:"Palette", */ f: parse_Palette },
		0x0097: { /* n:"Sync", */ },
		0x0098: { /* n:"LPr", */ },
		0x0099: { /* n:"DxGCol", */ },
		0x009a: { /* n:"FnGroupName", */ },
		0x009b: { /* n:"FilterMode", */ },
		0x009c: { /* n:"BuiltInFnGroupCount", */ f: parseuint16 },
		0x009d: { /* n:"AutoFilterInfo", */ },
		0x009e: { /* n:"AutoFilter", */ },
		0x00a0: { /* n:"Scl", */ f: parse_Scl },
		0x00a1: { /* n:"Setup", */ f: parse_Setup },
		0x00ae: { /* n:"ScenMan", */ },
		0x00af: { /* n:"SCENARIO", */ },
		0x00b0: { /* n:"SxView", */ },
		0x00b1: { /* n:"Sxvd", */ },
		0x00b2: { /* n:"SXVI", */ },
		0x00b4: { /* n:"SxIvd", */ },
		0x00b5: { /* n:"SXLI", */ },
		0x00b6: { /* n:"SXPI", */ },
		0x00b8: { /* n:"DocRoute", */ },
		0x00b9: { /* n:"RecipName", */ },
		0x00bd: { /* n:"MulRk", */ f: parse_MulRk },
		0x00be: { /* n:"MulBlank", */ f: parse_MulBlank },
		0x00c1: { /* n:"Mms", */ f: parsenoop2 },
		0x00c5: { /* n:"SXDI", */ },
		0x00c6: { /* n:"SXDB", */ },
		0x00c7: { /* n:"SXFDB", */ },
		0x00c8: { /* n:"SXDBB", */ },
		0x00c9: { /* n:"SXNum", */ },
		0x00ca: { /* n:"SxBool", */ f: parsebool },
		0x00cb: { /* n:"SxErr", */ },
		0x00cc: { /* n:"SXInt", */ },
		0x00cd: { /* n:"SXString", */ },
		0x00ce: { /* n:"SXDtr", */ },
		0x00cf: { /* n:"SxNil", */ },
		0x00d0: { /* n:"SXTbl", */ },
		0x00d1: { /* n:"SXTBRGIITM", */ },
		0x00d2: { /* n:"SxTbpg", */ },
		0x00d3: { /* n:"ObProj", */ },
		0x00d5: { /* n:"SXStreamID", */ },
		0x00d7: { /* n:"DBCell", */ },
		0x00d8: { /* n:"SXRng", */ },
		0x00d9: { /* n:"SxIsxoper", */ },
		0x00da: { /* n:"BookBool", */ f: parseuint16 },
		0x00dc: { /* n:"DbOrParamQry", */ },
		0x00dd: { /* n:"ScenarioProtect", */ f: parsebool },
		0x00de: { /* n:"OleObjectSize", */ },
		0x00e0: { /* n:"XF", */ f: parse_XF },
		0x00e1: { /* n:"InterfaceHdr", */ f: parse_InterfaceHdr },
		0x00e2: { /* n:"InterfaceEnd", */ f: parsenoop2 },
		0x00e3: { /* n:"SXVS", */ },
		0x00e5: { /* n:"MergeCells", */ f: parse_MergeCells },
		0x00e9: { /* n:"BkHim", */ },
		0x00eb: { /* n:"MsoDrawingGroup", */ },
		0x00ec: { /* n:"MsoDrawing", */ },
		0x00ed: { /* n:"MsoDrawingSelection", */ },
		0x00ef: { /* n:"PhoneticInfo", */ },
		0x00f0: { /* n:"SxRule", */ },
		0x00f1: { /* n:"SXEx", */ },
		0x00f2: { /* n:"SxFilt", */ },
		0x00f4: { /* n:"SxDXF", */ },
		0x00f5: { /* n:"SxItm", */ },
		0x00f6: { /* n:"SxName", */ },
		0x00f7: { /* n:"SxSelect", */ },
		0x00f8: { /* n:"SXPair", */ },
		0x00f9: { /* n:"SxFmla", */ },
		0x00fb: { /* n:"SxFormat", */ },
		0x00fc: { /* n:"SST", */ f: parse_SST },
		0x00fd: { /* n:"LabelSst", */ f: parse_LabelSst },
		0x00ff: { /* n:"ExtSST", */ f: parse_ExtSST },
		0x0100: { /* n:"SXVDEx", */ },
		0x0103: { /* n:"SXFormula", */ },
		0x0122: { /* n:"SXDBEx", */ },
		0x0137: { /* n:"RRDInsDel", */ },
		0x0138: { /* n:"RRDHead", */ },
		0x013b: { /* n:"RRDChgCell", */ },
		0x013d: { /* n:"RRTabId", */ f: parseuint16a },
		0x013e: { /* n:"RRDRenSheet", */ },
		0x013f: { /* n:"RRSort", */ },
		0x0140: { /* n:"RRDMove", */ },
		0x014a: { /* n:"RRFormat", */ },
		0x014b: { /* n:"RRAutoFmt", */ },
		0x014d: { /* n:"RRInsertSh", */ },
		0x014e: { /* n:"RRDMoveBegin", */ },
		0x014f: { /* n:"RRDMoveEnd", */ },
		0x0150: { /* n:"RRDInsDelBegin", */ },
		0x0151: { /* n:"RRDInsDelEnd", */ },
		0x0152: { /* n:"RRDConflict", */ },
		0x0153: { /* n:"RRDDefName", */ },
		0x0154: { /* n:"RRDRstEtxp", */ },
		0x015f: { /* n:"LRng", */ },
		0x0160: { /* n:"UsesELFs", */ f: parsebool },
		0x0161: { /* n:"DSF", */ f: parsenoop2 },
		0x0191: { /* n:"CUsr", */ },
		0x0192: { /* n:"CbUsr", */ },
		0x0193: { /* n:"UsrInfo", */ },
		0x0194: { /* n:"UsrExcl", */ },
		0x0195: { /* n:"FileLock", */ },
		0x0196: { /* n:"RRDInfo", */ },
		0x0197: { /* n:"BCUsrs", */ },
		0x0198: { /* n:"UsrChk", */ },
		0x01a9: { /* n:"UserBView", */ },
		0x01aa: { /* n:"UserSViewBegin", */ },
		0x01ab: { /* n:"UserSViewEnd", */ },
		0x01ac: { /* n:"RRDUserView", */ },
		0x01ad: { /* n:"Qsi", */ },
		0x01ae: { /* n:"SupBook", */ f: parse_SupBook },
		0x01af: { /* n:"Prot4Rev", */ f: parsebool },
		0x01b0: { /* n:"CondFmt", */ },
		0x01b1: { /* n:"CF", */ },
		0x01b2: { /* n:"DVal", */ },
		0x01b5: { /* n:"DConBin", */ },
		0x01b6: { /* n:"TxO", */ f: parse_TxO },
		0x01b7: { /* n:"RefreshAll", */ f: parsebool }, //
		0x01b8: { /* n:"HLink", */ f: parse_HLink },
		0x01b9: { /* n:"Lel", */ },
		0x01ba: { /* n:"CodeName", */ f: parse_XLUnicodeString },
		0x01bb: { /* n:"SXFDBType", */ },
		0x01bc: { /* n:"Prot4RevPass", */ f: parseuint16 },
		0x01bd: { /* n:"ObNoMacros", */ },
		0x01be: { /* n:"Dv", */ },
		0x01c0: { /* n:"Excel9File", */ f: parsenoop2 },
		0x01c1: { /* n:"RecalcId", */ f: parse_RecalcId, r: 2 },
		0x01c2: { /* n:"EntExU2", */ f: parsenoop2 },
		0x0200: { /* n:"Dimensions", */ f: parse_Dimensions },
		0x0201: { /* n:"Blank", */ f: parse_Blank },
		0x0203: { /* n:"Number", */ f: parse_Number },
		0x0204: { /* n:"Label", */ f: parse_Label },
		0x0205: { /* n:"BoolErr", */ f: parse_BoolErr },
		0x0207: { /* n:"String", */ f: parse_String },
		0x0208: { /* n:"Row", */ f: parse_Row },
		0x020b: { /* n:"Index", */ },
		0x0221: { /* n:"Array", */ f: parse_Array },
		0x0225: { /* n:"DefaultRowHeight", */ f: parse_DefaultRowHeight },
		0x0236: { /* n:"Table", */ },
		0x023e: { /* n:"Window2", */ f: parse_Window2 },
		0x027e: { /* n:"RK", */ f: parse_RK },
		0x0293: { /* n:"Style", */ },
		0x0418: { /* n:"BigName", */ },
		0x041e: { /* n:"Format", */ f: parse_Format },
		0x043c: { /* n:"ContinueBigName", */ },
		0x04bc: { /* n:"ShrFmla", */ f: parse_ShrFmla },
		0x0800: { /* n:"HLinkTooltip", */ f: parse_HLinkTooltip },
		0x0801: { /* n:"WebPub", */ },
		0x0802: { /* n:"QsiSXTag", */ },
		0x0803: { /* n:"DBQueryExt", */ },
		0x0804: { /* n:"ExtString", */ },
		0x0805: { /* n:"TxtQry", */ },
		0x0806: { /* n:"Qsir", */ },
		0x0807: { /* n:"Qsif", */ },
		0x0808: { /* n:"RRDTQSIF", */ },
		0x0809: { /* n:"BOF", */ f: parse_BOF },
		0x080a: { /* n:"OleDbConn", */ },
		0x080b: { /* n:"WOpt", */ },
		0x080c: { /* n:"SXViewEx", */ },
		0x080d: { /* n:"SXTH", */ },
		0x080e: { /* n:"SXPIEx", */ },
		0x080f: { /* n:"SXVDTEx", */ },
		0x0810: { /* n:"SXViewEx9", */ },
		0x0812: { /* n:"ContinueFrt", */ },
		0x0813: { /* n:"RealTimeData", */ },
		0x0850: { /* n:"ChartFrtInfo", */ },
		0x0851: { /* n:"FrtWrapper", */ },
		0x0852: { /* n:"StartBlock", */ },
		0x0853: { /* n:"EndBlock", */ },
		0x0854: { /* n:"StartObject", */ },
		0x0855: { /* n:"EndObject", */ },
		0x0856: { /* n:"CatLab", */ },
		0x0857: { /* n:"YMult", */ },
		0x0858: { /* n:"SXViewLink", */ },
		0x0859: { /* n:"PivotChartBits", */ },
		0x085a: { /* n:"FrtFontList", */ },
		0x0862: { /* n:"SheetExt", */ },
		0x0863: { /* n:"BookExt", */ r: 12 },
		0x0864: { /* n:"SXAddl", */ },
		0x0865: { /* n:"CrErr", */ },
		0x0866: { /* n:"HFPicture", */ },
		0x0867: { /* n:"FeatHdr", */ f: parsenoop2 },
		0x0868: { /* n:"Feat", */ },
		0x086a: { /* n:"DataLabExt", */ },
		0x086b: { /* n:"DataLabExtContents", */ },
		0x086c: { /* n:"CellWatch", */ },
		0x0871: { /* n:"FeatHdr11", */ },
		0x0872: { /* n:"Feature11", */ },
		0x0874: { /* n:"DropDownObjIds", */ },
		0x0875: { /* n:"ContinueFrt11", */ },
		0x0876: { /* n:"DConn", */ },
		0x0877: { /* n:"List12", */ },
		0x0878: { /* n:"Feature12", */ },
		0x0879: { /* n:"CondFmt12", */ },
		0x087a: { /* n:"CF12", */ },
		0x087b: { /* n:"CFEx", */ },
		0x087c: { /* n:"XFCRC", */ f: parse_XFCRC, r: 12 },
		0x087d: { /* n:"XFExt", */ f: parse_XFExt, r: 12 },
		0x087e: { /* n:"AutoFilter12", */ },
		0x087f: { /* n:"ContinueFrt12", */ },
		0x0884: { /* n:"MDTInfo", */ },
		0x0885: { /* n:"MDXStr", */ },
		0x0886: { /* n:"MDXTuple", */ },
		0x0887: { /* n:"MDXSet", */ },
		0x0888: { /* n:"MDXProp", */ },
		0x0889: { /* n:"MDXKPI", */ },
		0x088a: { /* n:"MDB", */ },
		0x088b: { /* n:"PLV", */ },
		0x088c: { /* n:"Compat12", */ f: parsebool, r: 12 },
		0x088d: { /* n:"DXF", */ },
		0x088e: { /* n:"TableStyles", */ r: 12 },
		0x088f: { /* n:"TableStyle", */ },
		0x0890: { /* n:"TableStyleElement", */ },
		0x0892: { /* n:"StyleExt", */ },
		0x0893: { /* n:"NamePublish", */ },
		0x0894: { /* n:"NameCmt", */ f: parse_NameCmt, r: 12 },
		0x0895: { /* n:"SortData", */ },
		0x0896: { /* n:"Theme", */ f: parse_Theme, r: 12 },
		0x0897: { /* n:"GUIDTypeLib", */ },
		0x0898: { /* n:"FnGrp12", */ },
		0x0899: { /* n:"NameFnGrp12", */ },
		0x089a: { /* n:"MTRSettings", */ f: parse_MTRSettings, r: 12 },
		0x089b: { /* n:"CompressPictures", */ f: parsenoop2 },
		0x089c: { /* n:"HeaderFooter", */ },
		0x089d: { /* n:"CrtLayout12", */ },
		0x089e: { /* n:"CrtMlFrt", */ },
		0x089f: { /* n:"CrtMlFrtContinue", */ },
		0x08a3: { /* n:"ForceFullCalculation", */ f: parse_ForceFullCalculation },
		0x08a4: { /* n:"ShapePropsStream", */ },
		0x08a5: { /* n:"TextPropsStream", */ },
		0x08a6: { /* n:"RichTextStream", */ },
		0x08a7: { /* n:"CrtLayout12A", */ },
		0x1001: { /* n:"Units", */ },
		0x1002: { /* n:"Chart", */ },
		0x1003: { /* n:"Series", */ },
		0x1006: { /* n:"DataFormat", */ },
		0x1007: { /* n:"LineFormat", */ },
		0x1009: { /* n:"MarkerFormat", */ },
		0x100a: { /* n:"AreaFormat", */ },
		0x100b: { /* n:"PieFormat", */ },
		0x100c: { /* n:"AttachedLabel", */ },
		0x100d: { /* n:"SeriesText", */ },
		0x1014: { /* n:"ChartFormat", */ },
		0x1015: { /* n:"Legend", */ },
		0x1016: { /* n:"SeriesList", */ },
		0x1017: { /* n:"Bar", */ },
		0x1018: { /* n:"Line", */ },
		0x1019: { /* n:"Pie", */ },
		0x101a: { /* n:"Area", */ },
		0x101b: { /* n:"Scatter", */ },
		0x101c: { /* n:"CrtLine", */ },
		0x101d: { /* n:"Axis", */ },
		0x101e: { /* n:"Tick", */ },
		0x101f: { /* n:"ValueRange", */ },
		0x1020: { /* n:"CatSerRange", */ },
		0x1021: { /* n:"AxisLine", */ },
		0x1022: { /* n:"CrtLink", */ },
		0x1024: { /* n:"DefaultText", */ },
		0x1025: { /* n:"Text", */ },
		0x1026: { /* n:"FontX", */ f: parseuint16 },
		0x1027: { /* n:"ObjectLink", */ },
		0x1032: { /* n:"Frame", */ },
		0x1033: { /* n:"Begin", */ },
		0x1034: { /* n:"End", */ },
		0x1035: { /* n:"PlotArea", */ },
		0x103a: { /* n:"Chart3d", */ },
		0x103c: { /* n:"PicF", */ },
		0x103d: { /* n:"DropBar", */ },
		0x103e: { /* n:"Radar", */ },
		0x103f: { /* n:"Surf", */ },
		0x1040: { /* n:"RadarArea", */ },
		0x1041: { /* n:"AxisParent", */ },
		0x1043: { /* n:"LegendException", */ },
		0x1044: { /* n:"ShtProps", */ f: parse_ShtProps },
		0x1045: { /* n:"SerToCrt", */ },
		0x1046: { /* n:"AxesUsed", */ },
		0x1048: { /* n:"SBaseRef", */ },
		0x104a: { /* n:"SerParent", */ },
		0x104b: { /* n:"SerAuxTrend", */ },
		0x104e: { /* n:"IFmtRecord", */ },
		0x104f: { /* n:"Pos", */ },
		0x1050: { /* n:"AlRuns", */ },
		0x1051: { /* n:"BRAI", */ },
		0x105b: { /* n:"SerAuxErrBar", */ },
		0x105c: { /* n:"ClrtClient", */ f: parse_ClrtClient },
		0x105d: { /* n:"SerFmt", */ },
		0x105f: { /* n:"Chart3DBarShape", */ },
		0x1060: { /* n:"Fbi", */ },
		0x1061: { /* n:"BopPop", */ },
		0x1062: { /* n:"AxcExt", */ },
		0x1063: { /* n:"Dat", */ },
		0x1064: { /* n:"PlotGrowth", */ },
		0x1065: { /* n:"SIIndex", */ },
		0x1066: { /* n:"GelFrame", */ },
		0x1067: { /* n:"BopPopCustom", */ },
		0x1068: { /* n:"Fbi2", */ },

		0x0000: { /* n:"Dimensions", */ f: parse_Dimensions },
		0x0001: { /* n:"BIFF2BLANK", */ },
		0x0002: { /* n:"BIFF2INT", */ f: parse_BIFF2INT },
		0x0003: { /* n:"BIFF2NUM", */ f: parse_BIFF2NUM },
		0x0004: { /* n:"BIFF2STR", */ f: parse_BIFF2STR },
		0x0005: { /* n:"BIFF2BOOLERR", */ f: parse_BIFF2BOOLERR },
		0x0007: { /* n:"String", */ f: parse_BIFF2STRING },
		0x0008: { /* n:"BIFF2ROW", */ },
		0x0009: { /* n:"BOF", */ f: parse_BOF },
		0x000b: { /* n:"Index", */ },
		0x0016: { /* n:"ExternCount", */ f: parseuint16 },
		0x001e: { /* n:"BIFF2FORMAT", */ f: parse_BIFF2Format },
		0x001f: { /* n:"BIFF2FMTCNT", */ }, /* 16-bit cnt of BIFF2FORMAT records */
		0x0020: { /* n:"BIFF2COLINFO", */ },
		0x0021: { /* n:"Array", */ f: parse_Array },
		0x0024: { /* n:"COLWIDTH", */ },
		0x0025: { /* n:"DefaultRowHeight", */ f: parse_DefaultRowHeight },
		// 0x002c ??
		// 0x002d ??
		// 0x002e ??
		// 0x0030 FONTCOUNT: number of fonts
		0x0032: { /* n:"BIFF2FONTXTRA", */ f: parse_BIFF2FONTXTRA },
		// 0x0035: INFOOPTS
		// 0x0036: TABLE (BIFF2 only)
		// 0x0037: TABLE2 (BIFF2 only)
		// 0x0038: WNDESK
		// 0x0039 ??
		// 0x003a: BEGINPREF
		// 0x003b: ENDPREF
		0x003e: { /* n:"BIFF2WINDOW2", */ },
		// 0x003f ??
		// 0x0046: SHOWSCROLL
		// 0x0047: SHOWFORMULA
		// 0x0048: STATUSBAR
		// 0x0049: SHORTMENUS
		// 0x004A:
		// 0x004B:
		// 0x004C:
		// 0x004E:
		// 0x004F:
		// 0x0058: TOOLBAR (BIFF3)

		/* - - - */
		0x0034: { /* n:"DDEObjName", */ },
		0x0043: { /* n:"BIFF2XF", */ f: parse_BIFF2XF },
		0x0044: { /* n:"BIFF2XFINDEX", */ f: parseuint16 },
		0x0045: { /* n:"BIFF2FONTCLR", */ },
		0x0056: { /* n:"BIFF4FMTCNT", */ }, /* 16-bit cnt, similar to BIFF2 */
		0x007e: { /* n:"RK", */ }, /* Not necessarily same as 0x027e */
		0x007f: { /* n:"ImData", */ f: parse_ImData },
		0x0087: { /* n:"Addin", */ },
		0x0088: { /* n:"Edg", */ },
		0x0089: { /* n:"Pub", */ },
		// 0x8A
		// 0x8B LH: alternate menu key flag (BIFF3/4)
		// 0x8E
		0x008F: { /* n:"BIFF4SheetInfo", */ f: parse_BIFF4SheetInfo },
		0x0091: { /* n:"Sub", */ },
		// 0x93 STYLE
		0x0094: { /* n:"LHRecord", */ },
		0x0095: { /* n:"LHNGraph", */ },
		0x0096: { /* n:"Sound", */ },
		// 0xA2 FNPROTO: function prototypes (BIFF4)
		// 0xA3
		// 0xA8
		0x00a9: { /* n:"CoordList", */ },
		0x00ab: { /* n:"GCW", */ },
		0x00bc: { /* n:"ShrFmla", */ }, /* Not necessarily same as 0x04bc */
		0x00bf: { /* n:"ToolbarHdr", */ },
		0x00c0: { /* n:"ToolbarEnd", */ },
		0x00c2: { /* n:"AddMenu", */ },
		0x00c3: { /* n:"DelMenu", */ },
		0x00d6: { /* n:"RString", */ f: parse_RString },
		0x00df: { /* n:"UDDesc", */ },
		0x00ea: { /* n:"TabIdConf", */ },
		0x0162: { /* n:"XL5Modify", */ },
		0x01a5: { /* n:"FileSharing2", */ },
		0x0206: { /* n:"Formula", */ f: parse_Formula },
		0x0209: { /* n:"BOF", */ f: parse_BOF },
		0x0218: { /* n:"Lbl", */ f: parse_Lbl },
		0x0223: { /* n:"ExternName", */ f: parse_ExternName },
		0x0231: { /* n:"Font", */ },
		0x0243: { /* n:"BIFF3XF", */ f: parse_BIFF3XF },
		0x0406: { /* n:"Formula", */ f: parse_Formula },
		0x0409: { /* n:"BOF", */ f: parse_BOF },
		0x0443: { /* n:"BIFF4XF", */ f: parse_BIFF4XF },
		0x086d: { /* n:"FeatInfo", */ },
		0x0873: { /* n:"FeatInfo11", */ },
		0x0881: { /* n:"SXAddl12", */ },
		0x08c0: { /* n:"AutoWebPub", */ },
		0x08c1: { /* n:"ListObj", */ },
		0x08c2: { /* n:"ListField", */ },
		0x08c3: { /* n:"ListDV", */ },
		0x08c4: { /* n:"ListCondFmt", */ },
		0x08c5: { /* n:"ListCF", */ },
		0x08c6: { /* n:"FMQry", */ },
		0x08c7: { /* n:"FMSQry", */ },
		0x08c8: { /* n:"PLV", */ },
		0x08c9: { /* n:"LnExt", */ },
		0x08ca: { /* n:"MkrExt", */ },
		0x08cb: { /* n:"CrtCoopt", */ },
		0x08d6: { /* n:"FRTArchId$", */ r: 12 },

		/* --- multiplan 4 records --- */
		0x0065: { /* n:"", */ }, // one per window
		0x0066: { /* n:"", */ }, // calc settings
		0x0069: { /* n:"", */ }, // print header
		0x006a: { /* n:"", */ }, // print footer
		0x006b: { /* n:"", */ }, // print settings
		0x006d: { /* n:"", */ }, // one per window
		0x0070: { /* n:"", */ }, // includes default col width
		0x0072: { /* n:"", */ }, // includes selected cell

		0x7262: {}
	};

	function write_biff_rec(ba, type, payload, length) {
		var t = type;
		if (isNaN(t)) return;
		var len = length || (payload || []).length || 0;
		var o = ba.next(4);
		o.write_shift(2, t);
		o.write_shift(2, len);
		if (len > 0 && is_buf(payload)) ba.push(payload);
	}

	function write_biff_continue(ba, type, payload, length) {
		var len = length || (payload || []).length || 0;
		if (len <= 8224) return write_biff_rec(ba, type, payload, len);
		var t = type;
		if (isNaN(t)) return;
		var parts = payload.parts || [], sidx = 0;
		var i = 0, w = 0;
		while (w + (parts[sidx] || 8224) <= 8224) { w += (parts[sidx] || 8224); sidx++; }
		var o = ba.next(4);
		o.write_shift(2, t);
		o.write_shift(2, w);
		ba.push(payload.slice(i, i + w));
		i += w;
		while (i < len) {
			o = ba.next(4);
			o.write_shift(2, 0x3c); // TODO: figure out correct continue type
			w = 0;
			while (w + (parts[sidx] || 8224) <= 8224) { w += (parts[sidx] || 8224); sidx++; }
			o.write_shift(2, w);
			ba.push(payload.slice(i, i + w)); i += w;
		}
	}

	function write_BIFF2BERR(r, c, val, t) {
		var out = new_buf(9);
		write_BIFF2Cell(out, r, c);
		write_Bes(val, t || 'b', out);
		return out;
	}

	/* TODO: codepage, large strings */
	function write_BIFF2LABEL(r, c, val) {
		var out = new_buf(8 + 2 * val.length);
		write_BIFF2Cell(out, r, c);
		out.write_shift(1, val.length);
		out.write_shift(val.length, val, 'sbcs');
		return out.l < out.length ? out.slice(0, out.l) : out;
	}

	function write_comments_biff2(ba, comments) {
		comments.forEach(function (data) {
			var text = data[0].map(function (cc) { return cc.t; }).join("");
			// TODO: should '\n' be translated to '\r' to correct for Excel 5.0 bug when exporting to BIFF2/3 ?
			if (text.length <= 2048) return write_biff_rec(ba, 0x001C, write_NOTE_BIFF2(text, data[1], data[2]));
			write_biff_rec(ba, 0x001C, write_NOTE_BIFF2(text.slice(0, 2048), data[1], data[2], text.length));
			for (var i = 2048; i < text.length; i += 2048)
				write_biff_rec(ba, 0x001C, write_NOTE_BIFF2(text.slice(i, Math.min(i + 2048, text.length)), -1, -1, Math.min(2048, text.length - i)));
		});
	}

	/* TODO: BIFF3/4 use different records -- see comments*/
	function write_ws_biff2_cell(ba, cell, R, C, opts, date1904) {
		var ifmt = 0;
		if (cell.z != null) {
			ifmt = opts._BIFF2FmtTable.indexOf(cell.z);
			if (ifmt == -1) { opts._BIFF2FmtTable.push(cell.z); ifmt = opts._BIFF2FmtTable.length - 1; }
		}
		var ixfe = 0;
		if (cell.z != null) {
			for (; ixfe < opts.cellXfs.length; ++ixfe) if (opts.cellXfs[ixfe].numFmtId == ifmt) break;
			if (ixfe == opts.cellXfs.length) opts.cellXfs.push({ numFmtId: ifmt });
		}
		if (cell.v != null) switch (cell.t) {
			case 'd': case 'n':
				var v = cell.t == 'd' ? datenum(parseDate(cell.v, date1904), date1904) : cell.v;
				if (opts.biff == 2 && (v == (v | 0)) && (v >= 0) && (v < 65536))
					// 0x027E (RK) in BIFF3/4
					write_biff_rec(ba, 0x0002, write_BIFF2INT(R, C, v, ixfe, ifmt));
				else if (isNaN(v))
					// 0x0205 in BIFF3/4
					write_biff_rec(ba, 0x0005, write_BIFF2BERR(R, C, 0x24, "e")); // #NUM!
				else if (!isFinite(v))
					// 0x0205 in BIFF3/4
					write_biff_rec(ba, 0x0005, write_BIFF2BERR(R, C, 0x07, "e")); // #DIV/0!
				else
					// 0x0203 in BIFF3/4
					write_biff_rec(ba, 0x0003, write_BIFF2NUM(R, C, v, ixfe, ifmt));
				return;
			case 'b': case 'e':
				// 0x0205 in BIFF3/4
				write_biff_rec(ba, 0x0005, write_BIFF2BERR(R, C, cell.v, cell.t)); return;
			/* TODO: codepage, sst */
			case 's': case 'str':
				// 0x0204 in BIFF3/4
				write_biff_rec(ba, 0x0004, write_BIFF2LABEL(R, C, cell.v == null ? "" : String(cell.v).slice(0, 255)));
				return;
		}
		// 0x0201 in BIFF3/4
		write_biff_rec(ba, 0x0001, write_BIFF2Cell(null, R, C));
	}

	function write_ws_biff2(ba, ws, idx, opts, wb) {
		var dense = ws["!data"] != null;
		var range = safe_decode_range(ws['!ref'] || "A1"), rr = "", cols = [];
		if (range.e.c > 0xFF || range.e.r > 0x3FFF) {
			if (opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:IV16384");
			range.e.c = Math.min(range.e.c, 0xFF);
			range.e.r = Math.min(range.e.r, 0x3FFF);
		}
		var date1904 = (((wb || {}).Workbook || {}).WBProps || {}).date1904;
		var row = [], comments = [];
		/* TODO: 0x0000 / 0x0200 dimensions? */
		for (var C = range.s.c; C <= range.e.c; ++C) cols[C] = encode_col(C);
		for (var R = range.s.r; R <= range.e.r; ++R) {
			if (dense) row = ws["!data"][R] || [];
			rr = encode_row(R);
			for (C = range.s.c; C <= range.e.c; ++C) {
				var cell = dense ? row[C] : ws[cols[C] + rr];
				if (!cell) continue;
				/* write cell */
				write_ws_biff2_cell(ba, cell, R, C, opts, date1904);
				if (cell.c) comments.push([cell.c, R, C]);
			}
		}

		/* ... 0x12 0x19 0x13 (Password) */
		write_comments_biff2(ba, comments);
		/* 0x3d (Window1) ... */
	}

	/* Based on test files */
	function write_biff2_buf(wb, opts) {
		var o = opts || {};

		var ba = buf_array();
		var idx = 0;
		for (var i = 0; i < wb.SheetNames.length; ++i) if (wb.SheetNames[i] == o.sheet) idx = i;
		if (idx == 0 && !!o.sheet && wb.SheetNames[0] != o.sheet) throw new Error("Sheet not found: " + o.sheet);
		write_biff_rec(ba, (o.biff == 4 ? 0x0409 : (o.biff == 3 ? 0x0209 : 0x0009)), write_BOF(wb, 0x10, o));
		if (((wb.Workbook || {}).WBProps || {}).date1904) write_biff_rec(ba, 0x0022, writebool(true));
		o.cellXfs = [{ numFmtId: 0 }];
		o._BIFF2FmtTable = ["General"]; o._Fonts = [];
		var body = buf_array();
		write_ws_biff2(body, wb.Sheets[wb.SheetNames[idx]], idx, o, wb);

		o._BIFF2FmtTable.forEach(function (f) {
			if (o.biff <= 3) write_biff_rec(ba, 0x001E, write_BIFF2Format(f));
			else write_biff_rec(ba, 0x041E, write_BIFF4Format(f));
		});
		o.cellXfs.forEach(function (xf) {
			switch (o.biff) {
				case 2: write_biff_rec(ba, 0x0043, write_BIFF2XF(xf)); break;
				case 3: write_biff_rec(ba, 0x0243, write_BIFF3XF(xf)); break;
				case 4: write_biff_rec(ba, 0x0443, write_BIFF4XF(xf)); break;
			}
		});
		delete o._BIFF2FmtTable; delete o.cellXfs; delete o._Fonts;

		ba.push(body.end());
		write_biff_rec(ba, 0x000A);
		return ba.end();
	}

	var b8oid = 1, b8ocnts = [];
	function write_MsoDrawingGroup() {
		var buf = new_buf(82 + 8 * b8ocnts.length);
		/* [MS-ODRAW] 2.2.12 OfficeArtDggContainer */
		buf.write_shift(2, 0x0F);
		buf.write_shift(2, 0xF000);
		buf.write_shift(4, 74 + 8 * b8ocnts.length);
		/* 2.2.48 OfficeArtFDGGBlock */
		{
			buf.write_shift(2, 0);
			buf.write_shift(2, 0xF006);
			buf.write_shift(4, 16 + 8 * b8ocnts.length);
			/* 2.2.47 OfficeArtFDGG */
			{
				buf.write_shift(4, b8oid);
				buf.write_shift(4, b8ocnts.length + 1);
				var acc = 0; for (var i = 0; i < b8ocnts.length; ++i) acc += (b8ocnts[i] && b8ocnts[i][1] || 0); buf.write_shift(4, acc);
				buf.write_shift(4, b8ocnts.length);
			}
			/* 2.2.46 OfficeArtIDCL + */
			b8ocnts.forEach(function (b8) {
				buf.write_shift(4, b8[0]);
				buf.write_shift(4, b8[2]);
			});
		}
		/* 2.2.9 OfficeArtFOPT */
		{
			buf.write_shift(2, 0x33); // 0x03 | (3 << 4)
			buf.write_shift(2, 0xF00B);
			buf.write_shift(4, 0x12); // 3 * 6
			/* 2.3.21.15 Text Boolean Properties */
			buf.write_shift(2, 0xBF); buf.write_shift(4, 0x00080008);
			/* 2.3.7.2 fillColor */
			buf.write_shift(2, 0x0181); buf.write_shift(4, 0x08000041);
			/* 2.3.8.1 lineColor */
			buf.write_shift(2, 0x01C0); buf.write_shift(4, 0x08000040);
		}
		/* 2.2.45 OfficeArtSplitMenuColorContainer */
		{
			buf.write_shift(2, 0x40);
			buf.write_shift(2, 0xF11E);
			buf.write_shift(4, 16);
			buf.write_shift(4, 0x0800000D);
			buf.write_shift(4, 0x0800000C);
			buf.write_shift(4, 0x08000017);
			buf.write_shift(4, 0x100000F7);
		}
		return buf;
	}
	function write_comments_biff8(ba, comments) {
		var notes = [], sz = 0, pl = buf_array(), baseid = b8oid;
		var _oasc;
		comments.forEach(function (c, ci) {
			var author = "";
			var text = c[0].map(function (t) { if (t.a && !author) author = t.a; return t.t; }).join("");
			++b8oid;

			/* 2.2.14 OfficeArtSpContainer */
			{
				var oasc = new_buf(0x96);
				oasc.write_shift(2, 0x0F);
				oasc.write_shift(2, 0xF004);
				oasc.write_shift(4, 0x96);
				/* 2.2.40 OfficeArtFSP */
				{
					oasc.write_shift(2, 0xca2); // 0x02 | (0xca << 4)
					oasc.write_shift(2, 0xF00A);
					oasc.write_shift(4, 8);
					oasc.write_shift(4, b8oid);
					oasc.write_shift(4, 0xA00);
				}
				/* 2.2.9 OfficeArtFOPT */
				{
					oasc.write_shift(2, 0xE3); // 0x03 | (14 << 4)
					oasc.write_shift(2, 0xF00B);
					oasc.write_shift(4, 0x54); // 14 * 6
					/* 2.3.21.1 ITxid */
					oasc.write_shift(2, 0x80); oasc.write_shift(4, 0);
					/* 2.3.21.12 txdir */
					oasc.write_shift(2, 0x8B); oasc.write_shift(4, 0x02);
					/* 2.3.21.15 Text Boolean Properties */
					oasc.write_shift(2, 0xBF); oasc.write_shift(4, 0x00080008);
					/* 2.3.6.30 cxk */
					oasc.write_shift(2, 0x0158); oasc.l += 4;
					/* 2.3.7.2 fillColor */
					oasc.write_shift(2, 0x0181); oasc.write_shift(4, 0x08000050);
					/* 2.3.7.4 fillBackColor */
					oasc.write_shift(2, 0x0183); oasc.write_shift(4, 0x08000050);
					/* 2.3.7.6 fillCrMod */
					oasc.write_shift(2, 0x0185); oasc.write_shift(4, 0x100000F4);
					/* 2.3.7.43 Fill Style Boolean Properties */
					oasc.write_shift(2, 0x01BF); oasc.write_shift(4, 0x00100010);
					/* 2.3.8.1 lineColor */
					oasc.write_shift(2, 0x01C0); oasc.write_shift(4, 0x08000051);
					/* 2.3.8.4 lineCrMod */
					oasc.write_shift(2, 0x01C3); oasc.write_shift(4, 0x100000F4);
					/* 2.3.13.2 shadowColor */
					oasc.write_shift(2, 0x0201); oasc.write_shift(4, 0x08000051);
					/* 2.3.13.4 shadowCrMod */
					oasc.write_shift(2, 0x0203); oasc.write_shift(4, 0x100000F4);
					/* 2.3.13.23 Shadow Style Boolean Properties */
					oasc.write_shift(2, 0x023F); oasc.write_shift(4, 0x00030001);
					/* 2.3.4.44 Group Shape Boolean Properties */
					oasc.write_shift(2, 0x03BF); oasc.write_shift(4, 0x00020000 | (c[0].hidden ? 2 : 0));
				}
				/* [MS-XLS] 2.5.193 OfficeArtClientAnchorSheet */
				{
					oasc.l += 2;
					oasc.write_shift(2, 0xF010);
					oasc.write_shift(4, 0x12);
					oasc.write_shift(2, 0x3); // do not move or size with cells
					oasc.write_shift(2, c[2] + 2); oasc.l += 2;
					oasc.write_shift(2, c[1] + 1); oasc.l += 2;
					oasc.write_shift(2, c[2] + 4); oasc.l += 2;
					oasc.write_shift(2, c[1] + 5); oasc.l += 2;
				}
				/* [MS-XLS] 2.5.194 OfficeArtClientData */
				{
					oasc.l += 2;
					oasc.write_shift(2, 0xF011);
					oasc.l += 4;
				}
				oasc.l = 0x96;
				if (ci == 0) /* write_biff_rec(pl, 0x003C, oasc); */ _oasc = oasc;
				else write_biff_rec(pl, 0x00EC, oasc);
			}
			sz += 0x96;

			/* [MS-XLS] 2.4.181 Obj */
			{
				var obj = new_buf(52); // 22 + 26 + 4
				/* [MS-XLS] 2.5.143 FtCmo */
				obj.write_shift(2, 0x15);
				obj.write_shift(2, 0x12);
				obj.write_shift(2, 0x19);
				obj.write_shift(2, b8oid);
				obj.write_shift(2, 0);
				obj.l = 22;
				/* [MS-XLS] 2.5.149 FtNts */
				obj.write_shift(2, 0x0D);
				obj.write_shift(2, 0x16);
				obj.write_shift(4, 0x62726272);
				obj.write_shift(4, 0x95374305);
				obj.write_shift(4, 0x80301328);
				obj.write_shift(4, 0x69696904 + b8oid * 256);
				obj.write_shift(2, 0);
				obj.write_shift(4, 0);
				// reserved
				obj.l += 4;
				write_biff_rec(pl, 0x005D, obj);
			}

			/* [MS-XLS] 2.5.195 OfficeArtClientTextbox */
			{
				var oact = new_buf(8);
				oact.l += 2;
				oact.write_shift(2, 0xF00D);
				oact.l += 4;
				write_biff_rec(pl, 0x00EC, oact);
			}
			sz += 8;

			/* [MS-XLS] 2.4.329 TxO */
			{
				var txo = new_buf(18);
				txo.write_shift(2, 0x12);
				txo.l += 8;
				txo.write_shift(2, text.length);
				txo.write_shift(2, 0x10);
				txo.l += 4;
				write_biff_rec(pl, 0x01b6, txo);
				/* text continue record TODO: switch to wide strings */
				{
					var cont = new_buf(1 + text.length);
					cont.write_shift(1, 0);
					cont.write_shift(text.length, text, "sbcs");
					write_biff_rec(pl, 0x003C, cont);
				}
				/* formatting continue records */
				{
					var conf = new_buf(0x10);
					conf.l += 8;
					conf.write_shift(2, text.length);
					conf.l += 6;
					write_biff_rec(pl, 0x003C, conf);
				}
			}

			/* 2.4.179 Note */
			{
				var notesh = new_buf(12 + author.length);
				notesh.write_shift(2, c[1]);
				notesh.write_shift(2, c[2]);
				notesh.write_shift(2, 0 | (c[0].hidden ? 0 : 2));
				notesh.write_shift(2, b8oid);
				notesh.write_shift(2, author.length);
				notesh.write_shift(1, 0);
				notesh.write_shift(author.length, author, "sbcs");
				notesh.l++;
				notes.push(notesh);
			}
		});
		/* [MS-ODRAW] 2.2.13 OfficeArtDgContainer */
		{
			var hdr = new_buf(80);
			hdr.write_shift(2, 0x0F);
			hdr.write_shift(2, 0xF002);
			hdr.write_shift(4, sz + hdr.length - 8);
			/* [MS-ODRAW] 2.2.49 OfficeArtFDG */
			{
				hdr.write_shift(2, 0x10);
				hdr.write_shift(2, 0xF008);
				hdr.write_shift(4, 0x08);
				hdr.write_shift(4, comments.length + 1);
				hdr.write_shift(4, b8oid);
			}
			/* [MS-ODRAW] 2.2.16 OfficeArtSpgrContainer */
			{
				hdr.write_shift(2, 0x0f);
				hdr.write_shift(2, 0xF003);
				hdr.write_shift(4, sz + 0x30);
				/* [MS-ODRAW] 2.2.14 OfficeArtSpContainer */
				{
					hdr.write_shift(2, 0x0f);
					hdr.write_shift(2, 0xF004);
					hdr.write_shift(4, 0x28);
					/* [MS-ODRAW] 2.2.38 OfficeArtFSPGR */
					{
						hdr.write_shift(2, 0x01);
						hdr.write_shift(2, 0xF009);
						hdr.write_shift(4, 0x10);
						hdr.l += 16;
					}
					/* [MS-ODRAW] 2.2.40 OfficeArtFSP */
					{
						hdr.write_shift(2, 0x02);
						hdr.write_shift(2, 0xF00A);
						hdr.write_shift(4, 0x08);
						hdr.write_shift(4, baseid);
						hdr.write_shift(4, 0x05);
					}
				}
			}
			write_biff_rec(ba, 0x00EC, /* hdr */ _oasc ? bconcat([hdr, _oasc]) : hdr);
		}
		ba.push(pl.end());
		notes.forEach(function (n) { write_biff_rec(ba, 0x001C, n); });
		b8ocnts.push([baseid, comments.length + 1, b8oid]);
		++b8oid;
	}

	function write_FONTS_biff8(ba, data, opts) {
		write_biff_rec(ba, 0x0031 /* Font */, write_Font({
			sz: 12,
			color: { theme: 1 },
			name: "Arial",
			family: 2,
			scheme: "minor"
		}, opts));
	}


	function write_FMTS_biff8(ba, NF, opts) {
		if (!NF) return;
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) write_biff_rec(ba, 0x041E /* Format */, write_Format(i, NF[i], opts));
		});
	}

	function write_FEAT(ba, ws) {
		/* [MS-XLS] 2.4.112 */
		var o = new_buf(19);
		o.write_shift(4, 0x867); o.write_shift(4, 0); o.write_shift(4, 0);
		o.write_shift(2, 3); o.write_shift(1, 1); o.write_shift(4, 0);
		write_biff_rec(ba, 0x0867 /* FeatHdr */, o);
		/* [MS-XLS] 2.4.111 */
		o = new_buf(39);
		o.write_shift(4, 0x868); o.write_shift(4, 0); o.write_shift(4, 0);
		o.write_shift(2, 3); o.write_shift(1, 0); o.write_shift(4, 0);
		o.write_shift(2, 1); o.write_shift(4, 4); o.write_shift(2, 0);
		write_Ref8U(safe_decode_range(ws['!ref'] || "A1"), o);
		o.write_shift(4, 4);
		write_biff_rec(ba, 0x0868 /* Feat */, o);
	}

	function write_CELLXFS_biff8(ba, opts) {
		for (var i = 0; i < 16; ++i) write_biff_rec(ba, 0x00e0 /* XF */, write_XF({ numFmtId: 0, style: true }, 0, opts));
		opts.cellXfs.forEach(function (c) {
			write_biff_rec(ba, 0x00e0 /* XF */, write_XF(c, 0, opts));
		});
	}

	function write_ws_biff8_hlinks(ba, ws) {
		for (var R = 0; R < ws['!links'].length; ++R) {
			var HL = ws['!links'][R];
			write_biff_rec(ba, 0x01b8 /* HLink */, write_HLink(HL));
			if (HL[1].Tooltip) write_biff_rec(ba, 0x0800 /* HLinkTooltip */, write_HLinkTooltip(HL));
		}
		delete ws['!links'];
	}

	function write_ws_cols_biff8(ba, cols) {
		if (!cols) return;
		var cnt = 0;
		cols.forEach(function (col, idx) {
			if (++cnt <= 256 && col) {
				write_biff_rec(ba, 0x007d /* ColInfo */, write_ColInfo(col_obj_w(idx, col), idx));
			}
		});
	}

	function write_ws_biff8_cell(ba, cell, R, C, opts, date1904) {
		var os = 16 + get_cell_style(opts.cellXfs, cell, opts);
		if (cell.v == null && !cell.bf) {
			write_biff_rec(ba, 0x0201 /* Blank */, write_XLSCell(R, C, os));
			return;
		}
		if (cell.bf) write_biff_rec(ba, 0x0006 /* Formula */, write_Formula(cell, R, C, opts, os));
		else switch (cell.t) {
			case 'd': case 'n':
				var v = cell.t == 'd' ? datenum(parseDate(cell.v, date1904), date1904) : cell.v;
				if (isNaN(v)) write_biff_rec(ba, 0x0205 /* BoolErr */, write_BoolErr(R, C, 0x24, os, opts, "e")); // #NUM!
				else if (!isFinite(v)) write_biff_rec(ba, 0x0205 /* BoolErr */, write_BoolErr(R, C, 0x07, os, opts, "e")); // #DIV/0!
				/* TODO: emit RK as appropriate */
				else write_biff_rec(ba, 0x0203 /* Number */, write_Number(R, C, v, os, opts));
				break;
			case 'b': case 'e':
				write_biff_rec(ba, 0x0205 /* BoolErr */, write_BoolErr(R, C, cell.v, os, opts, cell.t));
				break;
			/* TODO: codepage, sst */
			case 's': case 'str':
				if (opts.bookSST) {
					var isst = get_sst_id(opts.Strings, cell.v == null ? "" : String(cell.v), opts.revStrings);
					write_biff_rec(ba, 0x00fd /* LabelSst */, write_LabelSst(R, C, isst, os, opts));
				} else write_biff_rec(ba, 0x0204 /* Label */, write_Label(R, C, (cell.v == null ? "" : String(cell.v)).slice(0, 255), os, opts));
				break;
			default:
				write_biff_rec(ba, 0x0201 /* Blank */, write_XLSCell(R, C, os));
		}
	}

	/* [MS-XLS] 2.1.7.20.5 */
	function write_ws_biff8(idx, opts, wb) {
		var ba = buf_array();
		var s = wb.SheetNames[idx], ws = wb.Sheets[s] || {};
		var _WB = ((wb || {}).Workbook || {});
		var _sheet = ((_WB.Sheets || [])[idx] || {});
		var dense = ws["!data"] != null;
		var b8 = opts.biff == 8;
		var ref, rr = "", cols = [];
		var range = safe_decode_range(ws['!ref'] || "A1");
		var MAX_ROWS = b8 ? 65536 : 16384;
		if (range.e.c > 0xFF || range.e.r >= MAX_ROWS) {
			if (opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:IV" + MAX_ROWS);
			range.e.c = Math.min(range.e.c, 0xFF);
			range.e.r = Math.min(range.e.r, MAX_ROWS - 1);
		}

		write_biff_rec(ba, 0x0809, write_BOF(wb, 0x10, opts));
		/* [Uncalced] Index */
		write_biff_rec(ba, 0x000d /* CalcMode */, writeuint16(1));
		write_biff_rec(ba, 0x000c /* CalcCount */, writeuint16(100));
		write_biff_rec(ba, 0x000f /* CalcRefMode */, writebool(true));
		write_biff_rec(ba, 0x0011 /* CalcIter */, writebool(false));
		write_biff_rec(ba, 0x0010 /* CalcDelta */, write_Xnum(0.001));
		write_biff_rec(ba, 0x005f /* CalcSaveRecalc */, writebool(true));
		write_biff_rec(ba, 0x002a /* PrintRowCol */, writebool(false));
		write_biff_rec(ba, 0x002b /* PrintGrid */, writebool(false));
		write_biff_rec(ba, 0x0082 /* GridSet */, writeuint16(1));
		write_biff_rec(ba, 0x0080 /* Guts */, write_Guts([0, 0]));
		/* DefaultRowHeight WsBool [Sync] [LPr] [HorizontalPageBreaks] [VerticalPageBreaks] */
		/* Header (string) */
		/* Footer (string) */
		write_biff_rec(ba, 0x0083 /* HCenter */, writebool(false));
		write_biff_rec(ba, 0x0084 /* VCenter */, writebool(false));
		/* ... */
		if (b8) write_ws_cols_biff8(ba, ws["!cols"]);
		/* ... */
		write_biff_rec(ba, 0x0200 /* Dimensions */, write_Dimensions(range, opts));
		/* ... */

		var date1904 = (((wb || {}).Workbook || {}).WBProps || {}).date1904;
		if (b8) ws['!links'] = [];
		for (var C = range.s.c; C <= range.e.c; ++C) cols[C] = encode_col(C);
		var comments = [];
		var row = [];
		for (var R = range.s.r; R <= range.e.r; ++R) {
			if (dense) row = ws["!data"][R] || [];
			rr = encode_row(R);
			for (C = range.s.c; C <= range.e.c; ++C) {
				var cell = dense ? row[C] : ws[cols[C] + rr];
				if (!cell) continue;
				/* write cell */
				write_ws_biff8_cell(ba, cell, R, C, opts, date1904);
				if (b8 && cell.l) ws['!links'].push([cols[C] + rr, cell.l]);
				if (cell.c) comments.push([cell.c, R, C]);
			}
		}
		var cname = _sheet.CodeName || _sheet.name || s;
		/* ... */
		if (b8) write_comments_biff8(ba, comments); else write_comments_biff2(ba, comments);
		/* ... */
		if (b8) write_biff_rec(ba, 0x023e /* Window2 */, write_Window2((_WB.Views || [])[0]));
		/* ... */
		if (b8 && (ws['!merges'] || []).length) write_biff_rec(ba, 0x00e5 /* MergeCells */, write_MergeCells(ws['!merges']));
		/* [LRng] *QUERYTABLE [PHONETICINFO] CONDFMTS */
		if (b8) write_ws_biff8_hlinks(ba, ws);
		/* [DVAL] */
		write_biff_rec(ba, 0x01ba /* CodeName */, write_XLUnicodeString(cname, opts));
		/* *WebPub *CellWatch [SheetExt] */
		if (b8) write_FEAT(ba, ws);
		/* *FEAT11 *RECORD12 */
		write_biff_rec(ba, 0x000a /* EOF */);
		return ba.end();
	}

	/* [MS-XLS] 2.1.7.20.3 */
	function write_biff8_global(wb, bufs, opts) {
		var A = buf_array();
		var _WB = ((wb || {}).Workbook || {});
		var _sheets = (_WB.Sheets || []);
		var _wb = _WB.WBProps || {};
		var b8 = opts.biff == 8, b5 = opts.biff == 5;
		write_biff_rec(A, 0x0809, write_BOF(wb, 0x05, opts));
		if (opts.bookType == "xla") write_biff_rec(A, 0x0087 /* Addin */);
		write_biff_rec(A, 0x00e1 /* InterfaceHdr */, b8 ? writeuint16(0x04b0) : null);
		write_biff_rec(A, 0x00c1 /* Mms */, writezeroes(2));
		if (b5) write_biff_rec(A, 0x00bf /* ToolbarHdr */);
		if (b5) write_biff_rec(A, 0x00c0 /* ToolbarEnd */);
		write_biff_rec(A, 0x00e2 /* InterfaceEnd */);
		write_biff_rec(A, 0x005c /* WriteAccess */, write_WriteAccess("SheetJS", opts));
		/* [FileSharing] */
		write_biff_rec(A, 0x0042 /* CodePage */, writeuint16(b8 ? 0x04b0 : 0x04E4));
		/* *2047 Lel */
		if (b8) write_biff_rec(A, 0x0161 /* DSF */, writeuint16(0));
		if (b8) write_biff_rec(A, 0x01c0 /* Excel9File */);
		write_biff_rec(A, 0x013d /* RRTabId */, write_RRTabId(wb.SheetNames.length));
		if (b8 && wb.vbaraw) write_biff_rec(A, 0x00d3 /* ObProj */);
		/* [ObNoMacros] */
		if (b8 && wb.vbaraw) {
			var cname = _wb.CodeName || "ThisWorkbook";
			write_biff_rec(A, 0x01ba /* CodeName */, write_XLUnicodeString(cname, opts));
		}
		write_biff_rec(A, 0x009c /* BuiltInFnGroupCount */, writeuint16(0x11));
		/* *FnGroupName *FnGrp12 */
		/* *Lbl */
		/* [OleObjectSize] */
		write_biff_rec(A, 0x0019 /* WinProtect */, writebool(false));
		write_biff_rec(A, 0x0012 /* Protect */, writebool(false));
		write_biff_rec(A, 0x0013 /* Password */, writeuint16(0));
		if (b8) write_biff_rec(A, 0x01af /* Prot4Rev */, writebool(false));
		if (b8) write_biff_rec(A, 0x01bc /* Prot4RevPass */, writeuint16(0));
		write_biff_rec(A, 0x003d /* Window1 */, write_Window1(opts));
		write_biff_rec(A, 0x0040 /* Backup */, writebool(false));
		write_biff_rec(A, 0x008d /* HideObj */, writeuint16(0));
		write_biff_rec(A, 0x0022 /* Date1904 */, writebool(safe1904(wb) == "true"));
		write_biff_rec(A, 0x000e /* CalcPrecision */, writebool(true));
		if (b8) write_biff_rec(A, 0x01b7 /* RefreshAll */, writebool(false));
		write_biff_rec(A, 0x00DA /* BookBool */, writeuint16(0));
		/* ... */
		write_FONTS_biff8(A, wb, opts);
		write_FMTS_biff8(A, wb.SSF, opts);
		write_CELLXFS_biff8(A, opts);
		/* ... */
		if (b8) write_biff_rec(A, 0x0160 /* UsesELFs */, writebool(false));
		var a = A.end();

		var C = buf_array();
		/* METADATA [MTRSettings] [ForceFullCalculation] */
		if (b8) write_biff_rec(C, 0x008C /* Country */, write_Country());
		/* *SUPBOOK *LBL *RTD [RecalcId] *HFPicture */

		/* BIFF8: MsoDrawingGroup [*Continue] */
		if (b8 && b8ocnts.length) write_biff_rec(C, 0x00EB /* MsoDrawingGroup */, write_MsoDrawingGroup());
		/* BIFF8: [SST *Continue] ExtSST */
		if (b8 && opts.Strings) write_biff_continue(C, 0x00FC /* SST */, write_SST(opts.Strings, opts));

		/* *WebPub [WOpt] [CrErr] [BookExt] *FeatHdr *DConn [THEME] [CompressPictures] [Compat12] [GUIDTypeLib] */
		write_biff_rec(C, 0x000A /* EOF */);
		var c = C.end();

		var B = buf_array();
		var blen = 0, j = 0;
		for (j = 0; j < wb.SheetNames.length; ++j) blen += (b8 ? 12 : 11) + (b8 ? 2 : 1) * wb.SheetNames[j].length;
		var start = a.length + blen + c.length;
		for (j = 0; j < wb.SheetNames.length; ++j) {
			var _sheet = _sheets[j] || ({});
			write_biff_rec(B, 0x0085 /* BoundSheet8 */, write_BoundSheet8({ pos: start, hs: _sheet.Hidden || 0, dt: 0, name: wb.SheetNames[j] }, opts));
			start += bufs[j].length;
		}
		/* 1*BoundSheet8 */
		var b = B.end();
		if (blen != b.length) throw new Error("BS8 " + blen + " != " + b.length);

		var out = [];
		if (a.length) out.push(a);
		if (b.length) out.push(b);
		if (c.length) out.push(c);
		return bconcat(out);
	}

	/* [MS-XLS] 2.1.7.20 Workbook Stream */
	function write_biff8_buf(wb, opts) {
		var o = opts || {};
		var bufs = [];

		if (wb && !wb.SSF) {
			wb.SSF = dup(table_fmt);
		}
		if (wb && wb.SSF) {
			make_ssf(); SSF_load_table(wb.SSF);
			// $FlowIgnore
			o.revssf = evert_num(wb.SSF); o.revssf[wb.SSF[65535]] = 0;
			o.ssf = wb.SSF;
		}

		b8oid = 1; b8ocnts = [];
		o.Strings = []; o.Strings.Count = 0; o.Strings.Unique = 0;
		fix_write_opts(o);

		o.cellXfs = [];
		get_cell_style(o.cellXfs, {}, { revssf: { "General": 0 } });

		if (!wb.Props) wb.Props = {};

		for (var i = 0; i < wb.SheetNames.length; ++i) bufs[bufs.length] = write_ws_biff8(i, o, wb);
		bufs.unshift(write_biff8_global(wb, bufs, o));
		return bconcat(bufs);
	}

	function write_biff_buf(wb, opts) {
		for (var i = 0; i <= wb.SheetNames.length; ++i) {
			var ws = wb.Sheets[wb.SheetNames[i]];
			if (!ws || !ws["!ref"]) continue;
			var range = decode_range(ws["!ref"]);
			if (range.e.c > 255) { // note: 255 is IV
				if (typeof console != "undefined" && console.error) console.error("Worksheet '" + wb.SheetNames[i] + "' extends beyond column IV (255).  Data may be lost.");
			}
			if (range.e.r > 65535) {
				if (typeof console != "undefined" && console.error) console.error("Worksheet '" + wb.SheetNames[i] + "' extends beyond row 65536.  Data may be lost.");
			}
		}

		var o = opts || {};
		switch (o.biff || 2) {
			case 8: case 5: return write_biff8_buf(wb, opts);
			case 4: case 3: case 2: return write_biff2_buf(wb, opts);
		}
		throw new Error("invalid type " + o.bookType + " for BIFF");
	}
	/* note: browser DOM element cannot see mso- style attrs, must parse */
	function html_to_sheet(str, _opts) {
		var opts = _opts || {};
		var dense = (opts.dense != null) ? opts.dense : DENSE;
		var ws = ({}); if (dense) ws["!data"] = [];
		str = str_remove_ng(str, "<!--", "-->");
		var mtch = str.match(/<table/i);
		if (!mtch) throw new Error("Invalid HTML: could not find <table>");
		var mtch2 = str.match(/<\/table/i);
		var i = mtch.index, j = mtch2 && mtch2.index || str.length;
		var rows = split_regex(str.slice(i, j), /(:?<tr[^<>]*>)/i, "<tr>");
		var R = -1, C = 0, RS = 0, CS = 0;
		var range = { s: { r: 10000000, c: 10000000 }, e: { r: 0, c: 0 } };
		var merges = [];
		for (i = 0; i < rows.length; ++i) {
			var row = rows[i].trim();
			var hd = row.slice(0, 3).toLowerCase();
			if (hd == "<tr") { ++R; if (opts.sheetRows && opts.sheetRows <= R) { --R; break; } C = 0; continue; }
			if (hd != "<td" && hd != "<th") continue;
			var cells = row.split(/<\/t[dh]>/i);
			for (j = 0; j < cells.length; ++j) {
				var cell = cells[j].trim();
				if (!cell.match(/<t[dh]/i)) continue;
				var m = cell, cc = 0;
				/* TODO: parse styles etc */
				while (m.charAt(0) == "<" && (cc = m.indexOf(">")) > -1) m = m.slice(cc + 1);
				for (var midx = 0; midx < merges.length; ++midx) {
					var _merge = merges[midx];
					if (_merge.s.c == C && _merge.s.r < R && R <= _merge.e.r) { C = _merge.e.c + 1; midx = -1; }
				}
				var tag = parsexmltag(cell.slice(0, cell.indexOf(">")));
				CS = tag.colspan ? +tag.colspan : 1;
				if ((RS = +tag.rowspan) > 1 || CS > 1) merges.push({ s: { r: R, c: C }, e: { r: R + (RS || 1) - 1, c: C + CS - 1 } });
				var _t = tag.t || tag["data-t"] || "";
				/* TODO: generate stub cells */
				if (!m.length) { C += CS; continue; }
				m = htmldecode(m);
				if (range.s.r > R) range.s.r = R; if (range.e.r < R) range.e.r = R;
				if (range.s.c > C) range.s.c = C; if (range.e.c < C) range.e.c = C;
				if (!m.length) { C += CS; continue; }
				var o = { t: 's', v: m };
				if (opts.raw || !m.trim().length || _t == 's') { }
				else if (m === 'TRUE') o = { t: 'b', v: true };
				else if (m === 'FALSE') o = { t: 'b', v: false };
				else if (!isNaN(fuzzynum(m))) o = { t: 'n', v: fuzzynum(m) };
				else if (!isNaN(fuzzydate(m).getDate())) {
					o = ({ t: 'd', v: parseDate(m) });
					if (opts.UTC === false) o.v = utc_to_local(o.v);
					if (!opts.cellDates) o = ({ t: 'n', v: datenum(o.v) });
					o.z = opts.dateNF || table_fmt[14];
				} else if (m.charCodeAt(0) == 35 /* # */ && RBErr[m] != null) {
					o.t = 'e'; o.w = m; o.v = RBErr[m];
				}
				if (o.cellText !== false) o.w = m;
				if (dense) { if (!ws["!data"][R]) ws["!data"][R] = []; ws["!data"][R][C] = o; }
				else ws[encode_cell({ r: R, c: C })] = o;
				C += CS;
			}
		}
		ws['!ref'] = encode_range(range);
		if (merges.length) ws["!merges"] = merges;
		return ws;
	}
	function make_html_row(ws, r, R, o) {
		var M = (ws['!merges'] || []);
		var oo = [];
		var sp = ({});
		var dense = ws["!data"] != null;
		for (var C = r.s.c; C <= r.e.c; ++C) {
			var RS = 0, CS = 0;
			for (var j = 0; j < M.length; ++j) {
				if (M[j].s.r > R || M[j].s.c > C) continue;
				if (M[j].e.r < R || M[j].e.c < C) continue;
				if (M[j].s.r < R || M[j].s.c < C) { RS = -1; break; }
				RS = M[j].e.r - M[j].s.r + 1; CS = M[j].e.c - M[j].s.c + 1; break;
			}
			if (RS < 0) continue;
			var coord = encode_col(C) + encode_row(R);
			var cell = dense ? (ws["!data"][R] || [])[C] : ws[coord];
			if (cell && cell.t == 'n' && cell.v != null && !isFinite(cell.v)) {
				if (isNaN(cell.v)) cell = ({ t: 'e', v: 0x24, w: BErr[0x24] });
				else cell = ({ t: 'e', v: 0x07, w: BErr[0x07] });
			}
			/* TODO: html entities */
			var w = (cell && cell.v != null) && (cell.h || escapehtml(cell.w || (format_cell(cell), cell.w) || "")) || "";
			sp = ({});
			if (RS > 1) sp.rowspan = RS;
			if (CS > 1) sp.colspan = CS;
			if (o.editable) w = '<span contenteditable="true">' + w + '</span>';
			else if (cell) {
				sp["data-t"] = cell && cell.t || 'z';
				// note: data-v is unaffected by the timezone interpretation
				if (cell.v != null) sp["data-v"] = escapehtml(cell.v instanceof Date ? cell.v.toISOString() : cell.v);
				if (cell.z != null) sp["data-z"] = cell.z;
				if (cell.l && (cell.l.Target || "#").charAt(0) != "#") w = '<a href="' + escapehtml(cell.l.Target) + '">' + w + '</a>';
			}
			sp.id = (o.id || "sjs") + "-" + coord;
			oo.push(writextag('td', w, sp));
		}
		var preamble = "<tr>";
		return preamble + oo.join("") + "</tr>";
	}

	var HTML_BEGIN = '<html><head><meta charset="utf-8"/><title>SheetJS Table Export</title></head><body>';
	var HTML_END = '</body></html>';

	function html_to_workbook(str, opts) {
		var mtch = str_match_xml_ig(str, "table");
		if (!mtch || mtch.length == 0) throw new Error("Invalid HTML: could not find <table>");
		if (mtch.length == 1) {
			var w = sheet_to_workbook(html_to_sheet(mtch[0], opts), opts);
			w.bookType = "html";
			return w;
		}
		var wb = book_new();
		mtch.forEach(function (s, idx) { book_append_sheet(wb, html_to_sheet(s, opts), "Sheet" + (idx + 1)); });
		wb.bookType = "html";
		return wb;
	}

	function make_html_preamble(ws, R, o) {
		var out = [];
		return out.join("") + '<table' + (o && o.id ? ' id="' + o.id + '"' : "") + '>';
	}

	function sheet_to_html(ws, opts/*, wb:?Workbook*/) {
		var o = opts || {};
		var header = o.header != null ? o.header : HTML_BEGIN;
		var footer = o.footer != null ? o.footer : HTML_END;
		var out = [header];
		var r = decode_range(ws['!ref'] || "A1");
		out.push(make_html_preamble(ws, r, o));
		if (ws["!ref"]) for (var R = r.s.r; R <= r.e.r; ++R) out.push(make_html_row(ws, r, R, o));
		out.push("</table>" + footer);
		return out.join("");
	}

	function sheet_add_dom(ws, table, _opts) {
		var rows = table.rows;
		if (!rows) {
			/* not an HTML TABLE */
			throw "Unsupported origin when " + table.tagName + " is not a TABLE";
		}

		var opts = _opts || {};
		var dense = ws["!data"] != null;
		var or_R = 0, or_C = 0;
		if (opts.origin != null) {
			if (typeof opts.origin == 'number') or_R = opts.origin;
			else {
				var _origin = typeof opts.origin == "string" ? decode_cell(opts.origin) : opts.origin;
				or_R = _origin.r; or_C = _origin.c;
			}
		}

		var sheetRows = Math.min(opts.sheetRows || 10000000, rows.length);
		var range = { s: { r: 0, c: 0 }, e: { r: or_R, c: or_C } };
		if (ws["!ref"]) {
			var _range = decode_range(ws["!ref"]);
			range.s.r = Math.min(range.s.r, _range.s.r);
			range.s.c = Math.min(range.s.c, _range.s.c);
			range.e.r = Math.max(range.e.r, _range.e.r);
			range.e.c = Math.max(range.e.c, _range.e.c);
			if (or_R == -1) range.e.r = or_R = _range.e.r + 1;
		}
		var merges = [], midx = 0;
		var rowinfo = ws["!rows"] || (ws["!rows"] = []);
		var _R = 0, R = 0, _C = 0, C = 0, RS = 0, CS = 0;
		if (!ws["!cols"]) ws['!cols'] = [];
		for (; _R < rows.length && R < sheetRows; ++_R) {
			var row = rows[_R];
			if (is_dom_element_hidden(row)) {
				if (opts.display) continue;
				rowinfo[R] = { hidden: true };
			}
			var elts = (row.cells);
			for (_C = C = 0; _C < elts.length; ++_C) {
				var elt = elts[_C];
				if (opts.display && is_dom_element_hidden(elt)) continue;
				var v = elt.hasAttribute('data-v') ? elt.getAttribute('data-v') : elt.hasAttribute('v') ? elt.getAttribute('v') : htmldecode(elt.innerHTML);
				var z = elt.getAttribute('data-z') || elt.getAttribute('z');
				for (midx = 0; midx < merges.length; ++midx) {
					var m = merges[midx];
					if (m.s.c == C + or_C && m.s.r < R + or_R && R + or_R <= m.e.r) { C = m.e.c + 1 - or_C; midx = -1; }
				}
				/* TODO: figure out how to extract nonstandard mso- style */
				CS = +elt.getAttribute("colspan") || 1;
				if (((RS = (+elt.getAttribute("rowspan") || 1))) > 1 || CS > 1) merges.push({ s: { r: R + or_R, c: C + or_C }, e: { r: R + or_R + (RS || 1) - 1, c: C + or_C + (CS || 1) - 1 } });
				var o = { t: 's', v: v };
				var _t = elt.getAttribute("data-t") || elt.getAttribute("t") || "";
				if (v != null) {
					if (v.length == 0) o.t = _t || 'z';
					else if (opts.raw || v.trim().length == 0 || _t == "s") { }
					else if (_t == "e" && BErr[+v]) o = { t: 'e', v: +v, w: BErr[+v] };
					else if (v === 'TRUE') o = { t: 'b', v: true };
					else if (v === 'FALSE') o = { t: 'b', v: false };
					else if (!isNaN(fuzzynum(v))) o = { t: 'n', v: fuzzynum(v) };
					else if (!isNaN(fuzzydate(v).getDate())) {
						o = ({ t: 'd', v: parseDate(v) });
						if (opts.UTC) o.v = local_to_utc(o.v);
						if (!opts.cellDates) o = ({ t: 'n', v: datenum(o.v) });
						o.z = opts.dateNF || table_fmt[14];
					} else if (v.charCodeAt(0) == 35 /* # */ && RBErr[v] != null) o = ({ t: 'e', v: RBErr[v], w: v });
				}
				if (o.z === undefined && z != null) o.z = z;
				/* The first link is used.  Links are assumed to be fully specified.
				 * TODO: The right way to process relative links is to make a new <a> */
				var l = "", Aelts = elt.getElementsByTagName("A");
				if (Aelts && Aelts.length) for (var Aelti = 0; Aelti < Aelts.length; ++Aelti)	if (Aelts[Aelti].hasAttribute("href")) {
					l = Aelts[Aelti].getAttribute("href"); if (l.charAt(0) != "#") break;
				}
				if (l && l.charAt(0) != "#" && l.slice(0, 11).toLowerCase() != 'javascript:') o.l = ({ Target: l });
				if (dense) { if (!ws["!data"][R + or_R]) ws["!data"][R + or_R] = []; ws["!data"][R + or_R][C + or_C] = o; }
				else ws[encode_cell({ c: C + or_C, r: R + or_R })] = o;
				if (range.e.c < C + or_C) range.e.c = C + or_C;
				C += CS;
			}
			++R;
		}
		if (merges.length) ws['!merges'] = (ws["!merges"] || []).concat(merges);
		range.e.r = Math.max(range.e.r, R - 1 + or_R);
		ws['!ref'] = encode_range(range);
		if (R >= sheetRows) ws['!fullref'] = encode_range((range.e.r = rows.length - _R + R - 1 + or_R, range)); // We can count the real number of rows to parse but we don't to improve the performance
		return ws;
	}

	function parse_dom_table(table, _opts) {
		var opts = _opts || {};
		var ws = ({}); if (opts.dense) ws["!data"] = [];
		return sheet_add_dom(ws, table, _opts);
	}

	function table_to_book(table, opts) {
		var o = sheet_to_workbook(parse_dom_table(table, opts), opts);
		//o.bookType = "dom"; // TODO: define a type for this
		return o;
	}

	function is_dom_element_hidden(element) {
		var display = '';
		var get_computed_style = get_get_computed_style_function(element);
		if (get_computed_style) display = get_computed_style(element).getPropertyValue('display');
		if (!display) display = element.style && element.style.display;
		return display === 'none';
	}

	/* global getComputedStyle */
	function get_get_computed_style_function(element) {
		// The proper getComputedStyle implementation is the one defined in the element window
		if (element.ownerDocument.defaultView && typeof element.ownerDocument.defaultView.getComputedStyle === 'function') return element.ownerDocument.defaultView.getComputedStyle;
		// If it is not available, try to get one from the global namespace
		if (typeof getComputedStyle === 'function') return getComputedStyle;
		return null;
	}
	/* OpenDocument */
	function parse_text_p(text) {
		/* 6.1.2 White Space Characters */
		var fixed = text
			.replace(/[\t\r\n]/g, " ").trim().replace(/ +/g, " ")
			.replace(/<text:s\/>/g, " ")
			.replace(/<text:s text:c="(\d+)"\/>/g, function ($$, $1) { return Array(parseInt($1, 10) + 1).join(" "); })
			.replace(/<text:tab[^<>]*\/>/g, "\t")
			.replace(/<text:line-break\/>/g, "\n");
		var v = unescapexml(fixed.replace(/<[^<>]*>/g, ""));

		return [v];
	}

	/* Note: ODS can stick styles in content.xml or styles.xml, FODS blurs lines */
	function parse_ods_styles(d, _opts, _nfm) {
		var number_format_map = _nfm || {};
		var str = xlml_normalize(d);
		xlmlregex.lastIndex = 0;
		str = remove_doctype(str_remove_ng(str, "<!--", "-->"));
		var Rn, NFtag, NF = "", tNF = "", y, etpos = 0, tidx = -1, infmt = false, payload = "";
		while ((Rn = xlmlregex.exec(str))) {
			switch ((Rn[3] = Rn[3].replace(/_[\s\S]*$/, ""))) {
				/* Number Format Definitions */
				case 'number-style': // <number:number-style> 16.29.2
				case 'currency-style': // <number:currency-style> 16.29.8
				case 'percentage-style': // <number:percentage-style> 16.29.10
				case 'date-style': // <number:date-style> 16.29.11
				case 'time-style': // <number:time-style> 16.29.19
				case 'text-style': // <number:text-style> 16.29.26
					if (Rn[1] === '/') {
						infmt = false;
						if (NFtag['truncate-on-overflow'] == "false") {
							if (NF.match(/h/)) NF = NF.replace(/h+/, "[$&]");
							else if (NF.match(/m/)) NF = NF.replace(/m+/, "[$&]");
							else if (NF.match(/s/)) NF = NF.replace(/s+/, "[$&]");
						}
						number_format_map[NFtag.name] = NF;
						NF = "";
					} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						infmt = true;
						NF = "";
						NFtag = parsexmltag(Rn[0], false);
					} break;

				// LibreOffice bug https://bugs.documentfoundation.org/show_bug.cgi?id=149484
				case 'boolean-style': // <number:boolean-style> 16.29.24
					if (Rn[1] === '/') {
						infmt = false;
						number_format_map[NFtag.name] = "General";
						NF = "";
					} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						infmt = true;
						NF = "";
						NFtag = parsexmltag(Rn[0], false);
					} break;

				/* Number Format Elements */
				case 'boolean': // <number:boolean> 16.29.25
					NF += "General"; // ODF spec is unfortunately underspecified here
					break;

				case 'text': // <number:text> 16.29.27
					if (Rn[1] === '/') {
						payload = str.slice(tidx, xlmlregex.lastIndex - Rn[0].length);
						// NOTE: Excel has a different interpretation of "%%" and friends
						if (payload == "%" && NFtag[0] == '<number:percentage-style') NF += "%";
						else NF += '"' + payload.replace(/"/g, '""') + '"';
					} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						tidx = xlmlregex.lastIndex;
					} break;


				case 'day': { // <number:day> 16.29.12
					y = parsexmltag(Rn[0], false);
					switch (y["style"]) {
						case "short": NF += "d"; break;
						case "long": NF += "dd"; break;
						default: NF += "dd"; break; // TODO: error condition
					}
				} break;

				case 'day-of-week': { // <number:day-of-week> 16.29.16
					y = parsexmltag(Rn[0], false);
					switch (y["style"]) {
						case "short": NF += "ddd"; break;
						case "long": NF += "dddd"; break;
						default: NF += "ddd"; break;
					}
				} break;

				case 'era': { // <number:era> 16.29.15 TODO: proper mapping
					y = parsexmltag(Rn[0], false);
					switch (y["style"]) {
						case "short": NF += "ee"; break;
						case "long": NF += "eeee"; break;
						default: NF += "eeee"; break; // TODO: error condition
					}
				} break;

				case 'hours': { // <number:hours> 16.29.20
					y = parsexmltag(Rn[0], false);
					switch (y["style"]) {
						case "short": NF += "h"; break;
						case "long": NF += "hh"; break;
						default: NF += "hh"; break; // TODO: error condition
					}
				} break;

				case 'minutes': { // <number:minutes> 16.29.21
					y = parsexmltag(Rn[0], false);
					switch (y["style"]) {
						case "short": NF += "m"; break;
						case "long": NF += "mm"; break;
						default: NF += "mm"; break; // TODO: error condition
					}
				} break;

				case 'month': { // <number:month> 16.29.13
					y = parsexmltag(Rn[0], false);
					if (y["textual"]) NF += "mm";
					switch (y["style"]) {
						case "short": NF += "m"; break;
						case "long": NF += "mm"; break;
						default: NF += "m"; break;
					}
				} break;

				case 'seconds': { // <number:seconds> 16.29.22
					y = parsexmltag(Rn[0], false);
					switch (y["style"]) {
						case "short": NF += "s"; break;
						case "long": NF += "ss"; break;
						default: NF += "ss"; break; // TODO: error condition
					}
					if (y["decimal-places"]) NF += "." + fill("0", +y["decimal-places"]);
				} break;

				case 'year': { // <number:year> 16.29.14
					y = parsexmltag(Rn[0], false);
					switch (y["style"]) {
						case "short": NF += "yy"; break;
						case "long": NF += "yyyy"; break;
						default: NF += "yy"; break; // TODO: error condition
					}
				} break;

				case 'am-pm': // <number:am-pm> 16.29.23
					NF += "AM/PM"; // LO autocorrects A/P -> AM/PM
					break;

				case 'week-of-year': // <number:week-of-year> 16.29.17
				case 'quarter': // <number:quarter> 16.29.18
					console.error("Excel does not support ODS format token " + Rn[3]);
					break;

				case 'fill-character': // <number:fill-character> 16.29.5
					if (Rn[1] === '/') {
						payload = str.slice(tidx, xlmlregex.lastIndex - Rn[0].length);
						// NOTE: Excel has a different interpretation of "%%" and friends
						NF += '"' + payload.replace(/"/g, '""') + '"*';
					} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						tidx = xlmlregex.lastIndex;
					} break;

				case 'scientific-number': // <number:scientific-number> 16.29.6
					// TODO: find a mapping for all parameters
					y = parsexmltag(Rn[0], false);
					NF += "0." + fill("0", +y["min-decimal-places"] || +y["decimal-places"] || 2) + fill("?", +y["decimal-places"] - +y["min-decimal-places"] || 0) + "E" + (parsexmlbool(y["forced-exponent-sign"]) ? "+" : "") + fill("0", +y["min-exponent-digits"] || 2);
					break;

				case 'fraction': // <number:fraction> 16.29.7
					// TODO: find a mapping for all parameters
					y = parsexmltag(Rn[0], false);
					if (!+y["min-integer-digits"]) NF += "#";
					else NF += fill("0", +y["min-integer-digits"]);
					NF += " ";
					NF += fill("?", +y["min-numerator-digits"] || 1);
					NF += "/";
					if (+y["denominator-value"]) NF += y["denominator-value"];
					else NF += fill("?", +y["min-denominator-digits"] || 1);
					break;

				case 'currency-symbol': // <number:currency-symbol> 16.29.9
					// TODO: localization with [$-...]
					if (Rn[1] === '/') {
						NF += '"' + str.slice(tidx, xlmlregex.lastIndex - Rn[0].length).replace(/"/g, '""') + '"';
					} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						tidx = xlmlregex.lastIndex;
					} else NF += "$";
					break;

				case 'text-properties': // <style:text-properties> 16.29.29
					y = parsexmltag(Rn[0], false);
					switch ((y["color"] || "").toLowerCase().replace("#", "")) {
						case "ff0000": case "red": NF = "[Red]" + NF; break;
					}
					break;

				case 'text-content': // <number:text-content> 16.29.28
					NF += "@";
					break;

				case 'map': // <style:map> 16.3
					// TODO: handle more complex maps
					y = parsexmltag(Rn[0], false);
					if (unescapexml(y["condition"]) == "value()>=0") NF = number_format_map[y["apply-style-name"]] + ";" + NF;
					else console.error("ODS number format may be incorrect: " + y["condition"]);
					break;

				case 'number': // <number:number> 16.29.3
					// TODO: handle all the attributes
					if (Rn[1] === '/') break;
					y = parsexmltag(Rn[0], false);
					tNF = "";
					tNF += fill("0", +y["min-integer-digits"] || 1);
					if (parsexmlbool(y["grouping"])) tNF = commaify(fill("#", Math.max(0, 4 - tNF.length)) + tNF);
					if (+y["min-decimal-places"] || +y["decimal-places"]) tNF += ".";
					if (+y["min-decimal-places"]) tNF += fill("0", +y["min-decimal-places"] || 1);
					if (+y["decimal-places"] - (+y["min-decimal-places"] || 0)) tNF += fill("0", +y["decimal-places"] - (+y["min-decimal-places"] || 0)); // TODO: should this be "#" ?
					NF += tNF;
					break;

				case 'embedded-text': // <number:embedded-text> 16.29.4
					// TODO: verify interplay with grouping et al
					if (Rn[1] === '/') {
						if (etpos == 0) NF += '"' + str.slice(tidx, xlmlregex.lastIndex - Rn[0].length).replace(/"/g, '""') + '"';
						else NF = NF.slice(0, etpos) + '"' + str.slice(tidx, xlmlregex.lastIndex - Rn[0].length).replace(/"/g, '""') + '"' + NF.slice(etpos);
					} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						tidx = xlmlregex.lastIndex;
						etpos = -+parsexmltag(Rn[0], false)["position"] || 0;
					} break;

			}
		}
		return number_format_map;
	}

	function parse_content_xml(d, _opts, _nfm) {
		var opts = _opts || {};
		if (DENSE != null && opts.dense == null) opts.dense = DENSE;
		var str = xlml_normalize(d);
		var state = [], tmp;
		var tag;
		var nfidx, NF = "", pidx = 0;
		var sheetag;
		var rowtag;
		var Sheets = {}, SheetNames = [];
		var ws = ({}); if (opts.dense) ws["!data"] = [];
		var Rn, q;
		var ctag = ({ value: "" }), ctag2 = ({});
		var textp = "", textpidx = 0, textptag, oldtextp = "", oldtextpidx = 0;
		var textR = [], oldtextR = [];
		var R = -1, C = -1, range = { s: { r: 1000000, c: 10000000 }, e: { r: 0, c: 0 } };
		var row_ol = 0;
		var number_format_map = _nfm || {}, styles = {};
		var merges = [], mrange = {}, mR = 0, mC = 0;
		var rowinfo = [], rowpeat = 1, colpeat = 1;
		var arrayf = [];
		var WB = { Names: [], WBProps: {} };
		var atag = ({});
		var _Ref = ["", ""];
		var comments = [], comment = ({});
		var creator = "", creatoridx = 0;
		var isstub = false, intable = false;
		var i = 0;
		xlmlregex.lastIndex = 0;
		str = remove_doctype(str_remove_ng(str, "<!--", "-->"));
		while ((Rn = xlmlregex.exec(str))) switch ((Rn[3] = Rn[3].replace(/_[\s\S]*$/, ""))) {

			case 'table': case '工作表': // 9.1.2 <table:table>
				if (Rn[1] === '/') {
					if (range.e.c >= range.s.c && range.e.r >= range.s.r) ws['!ref'] = encode_range(range);
					else ws['!ref'] = "A1:A1";
					if (opts.sheetRows > 0 && opts.sheetRows <= range.e.r) {
						ws['!fullref'] = ws['!ref'];
						range.e.r = opts.sheetRows - 1;
						ws['!ref'] = encode_range(range);
					}
					if (merges.length) ws['!merges'] = merges;
					if (rowinfo.length) ws["!rows"] = rowinfo;
					sheetag.name = sheetag['名称'] || sheetag.name;
					if (typeof JSON !== 'undefined') JSON.stringify(sheetag);
					SheetNames.push(sheetag.name);
					Sheets[sheetag.name] = ws;
					intable = false;
				}
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
					sheetag = parsexmltag(Rn[0], false);
					R = C = -1;
					range.s.r = range.s.c = 10000000; range.e.r = range.e.c = 0;
					ws = ({}); if (opts.dense) ws["!data"] = []; merges = [];
					rowinfo = [];
					intable = true;
				}
				break;

			case 'table-row-group': // 9.1.9 <table:table-row-group>
				if (Rn[1] === "/") --row_ol; else ++row_ol;
				break;
			case 'table-row': case '行': // 9.1.3 <table:table-row>
				if (Rn[1] === '/') { R += rowpeat; rowpeat = 1; break; }
				rowtag = parsexmltag(Rn[0], false);
				if (rowtag['行号']) R = rowtag['行号'] - 1; else if (R == -1) R = 0;
				rowpeat = +rowtag['number-rows-repeated'] || 1;
				/* TODO: remove magic */
				if (rowpeat < 10) for (i = 0; i < rowpeat; ++i) if (row_ol > 0) rowinfo[R + i] = { level: row_ol };
				C = -1; break;
			case 'covered-table-cell': // 9.1.5 <table:covered-table-cell>
				if (Rn[1] !== '/') {
					++C;
					ctag = parsexmltag(Rn[0], false);
					colpeat = parseInt(ctag['number-columns-repeated'] || "1", 10) || 1;
					if (opts.sheetStubs) {
						while (colpeat-- > 0) {
							if (opts.dense) { if (!ws["!data"][R]) ws["!data"][R] = []; ws["!data"][R][C] = { t: 'z' }; }
							else ws[encode_cell({ r: R, c: C })] = { t: 'z' };
							++C;
						} --C;
					}
					else C += colpeat - 1;
				}
				textp = ""; textR = [];
				break; /* stub */
			case 'table-cell': case '数据':
				if (Rn[0].charAt(Rn[0].length - 2) === '/') {
					++C;
					ctag = parsexmltag(Rn[0], false);
					colpeat = parseInt(ctag['number-columns-repeated'] || "1", 10) || 1;
					q = ({ t: 'z', v: null });
					if (ctag.formula && opts.cellFormula != false) q.f = ods_to_csf_formula(unescapexml(ctag.formula));
					if (ctag["style-name"] && styles[ctag["style-name"]]) q.z = styles[ctag["style-name"]];
					if ((ctag['数据类型'] || ctag['value-type']) == "string") {
						q.t = "s"; q.v = unescapexml(ctag['string-value'] || "");
						if (opts.dense) {
							if (!ws["!data"][R]) ws["!data"][R] = [];
							ws["!data"][R][C] = q;
						} else {
							ws[encode_col(C) + encode_row(R)] = q;
						}
					}
					C += colpeat - 1;
				} else if (Rn[1] !== '/') {
					++C;
					textp = oldtextp = ""; textpidx = oldtextpidx = 0; textR = []; oldtextR = [];
					colpeat = 1;
					var rptR = rowpeat ? R + rowpeat - 1 : R;
					if (C > range.e.c) range.e.c = C;
					if (C < range.s.c) range.s.c = C;
					if (R < range.s.r) range.s.r = R;
					if (rptR > range.e.r) range.e.r = rptR;
					ctag = parsexmltag(Rn[0], false);
					ctag2 = parsexmltagraw(Rn[0], true);
					comments = []; comment = ({});
					q = ({ t: ctag['数据类型'] || ctag['value-type'], v: null });
					if (ctag["style-name"] && styles[ctag["style-name"]]) q.z = styles[ctag["style-name"]];
					if (opts.cellFormula) {
						if (ctag.formula) ctag.formula = unescapexml(ctag.formula);
						if (ctag['number-matrix-columns-spanned'] && ctag['number-matrix-rows-spanned']) {
							mR = parseInt(ctag['number-matrix-rows-spanned'], 10) || 0;
							mC = parseInt(ctag['number-matrix-columns-spanned'], 10) || 0;
							mrange = { s: { r: R, c: C }, e: { r: R + mR - 1, c: C + mC - 1 } };
							q.F = encode_range(mrange);
							arrayf.push([mrange, q.F]);
						}
						if (ctag.formula) q.f = ods_to_csf_formula(ctag.formula);
						else for (i = 0; i < arrayf.length; ++i)
							if (R >= arrayf[i][0].s.r && R <= arrayf[i][0].e.r)
								if (C >= arrayf[i][0].s.c && C <= arrayf[i][0].e.c)
									q.F = arrayf[i][1];
					}
					if (ctag['number-columns-spanned'] || ctag['number-rows-spanned']) {
						mR = parseInt(ctag['number-rows-spanned'] || "1", 10) || 1;
						mC = parseInt(ctag['number-columns-spanned'] || "1", 10) || 1;
						if (mR * mC > 1) {
							mrange = { s: { r: R, c: C }, e: { r: R + mR - 1, c: C + mC - 1 } };
							merges.push(mrange);
						}
					}

					/* 19.675.2 table:number-columns-repeated */
					if (ctag['number-columns-repeated']) colpeat = parseInt(ctag['number-columns-repeated'], 10);

					/* 19.385 office:value-type TODO: verify ODS and UOS */
					switch (q.t) {
						case 'boolean': q.t = 'b'; q.v = parsexmlbool(ctag['boolean-value']) || (+ctag['boolean-value'] >= 1); break;
						case 'float': q.t = 'n'; q.v = parseFloat(ctag.value);
							if (opts.cellDates && q.z && fmt_is_date(q.z)) { q.v = numdate(q.v + (WB.WBProps.date1904 ? 1462 : 0)); q.t = typeof q.v == "number" ? 'n' : 'd'; }
							break;
						case 'percentage': q.t = 'n'; q.v = parseFloat(ctag.value); break;
						case 'currency': q.t = 'n'; q.v = parseFloat(ctag.value); break;
						case 'date': q.t = 'd'; q.v = parseDate(ctag['date-value'], WB.WBProps.date1904);
							if (!opts.cellDates) { q.t = 'n'; q.v = datenum(q.v, WB.WBProps.date1904); }
							if (!q.z) q.z = 'm/d/yy'; break;
						/* NOTE: for `time`, Excel ODS export incorrectly uses durations relative to 1900 epoch even if 1904 is specified */
						case 'time': q.t = 'n'; q.v = parse_isodur(ctag['time-value']) / 86400;
							if (opts.cellDates) { q.v = numdate(q.v); q.t = typeof q.v == "number" ? 'n' : 'd'; }
							if (!q.z) q.z = 'HH:MM:SS'; break;
						case 'number': q.t = 'n'; q.v = parseFloat(ctag['数据数值']);
							break;
						default:
							if (q.t === 'string' || q.t === 'text' || !q.t) {
								q.t = 's';
								if (ctag['string-value'] != null) { textp = unescapexml(ctag['string-value']); textR = []; }
							} else throw new Error('Unsupported value type ' + q.t);
					}
				} else {
					isstub = false;
					if (ctag2['calcext:value-type'] == "error" && RBErr[textp] != null) {
						q.t = 'e'; q.w = textp; q.v = RBErr[textp];
					}
					if (q.t === 's') {
						q.v = textp || '';
						if (textR.length) q.R = textR;
						isstub = textpidx == 0;
					}
					if (atag.Target) q.l = atag;
					if (comments.length > 0) { q.c = comments; comments = []; }
					if (textp && opts.cellText !== false) q.w = textp;
					if (isstub) { q.t = "z"; delete q.v; }
					if (!isstub || opts.sheetStubs) {
						if (!(opts.sheetRows && opts.sheetRows <= R)) {
							for (var rpt = 0; rpt < rowpeat; ++rpt) {
								colpeat = parseInt(ctag['number-columns-repeated'] || "1", 10);
								if (opts.dense) {
									if (!ws["!data"][R + rpt]) ws["!data"][R + rpt] = [];
									ws["!data"][R + rpt][C] = rpt == 0 ? q : dup(q);
									while (--colpeat > 0) ws["!data"][R + rpt][C + colpeat] = dup(q);
								} else {
									ws[encode_cell({ r: R + rpt, c: C })] = q;
									while (--colpeat > 0) ws[encode_cell({ r: R + rpt, c: C + colpeat })] = dup(q);
								}
								if (range.e.c <= C) range.e.c = C;
							}
						}
					}
					colpeat = parseInt(ctag['number-columns-repeated'] || "1", 10);
					C += colpeat - 1; colpeat = 0;
					q = {};
					textp = ""; textR = [];
				}
				atag = ({});
				break; // 9.1.4 <table:table-cell>

			/* pure state */
			case 'document': // TODO: <office:document> is the root for FODS
			case 'document-content': case '电子表格文档': // 3.1.3.2 <office:document-content>
			case 'spreadsheet': case '主体': // 3.7 <office:spreadsheet>
			case 'scripts': // 3.12 <office:scripts>
			case 'styles': // TODO <office:styles>
			case 'font-face-decls': // 3.14 <office:font-face-decls>
			case 'master-styles': // 3.15.4 <office:master-styles> -- relevant for FODS
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw "Bad state: " + tmp; }
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], true]);
				break;

			case 'annotation': // 14.1 <office:annotation>
				if (Rn[1] === '/') {
					if ((tmp = state.pop())[0] !== Rn[3]) throw "Bad state: " + tmp;
					comment.t = textp;
					if (textR.length) comment.R = textR;
					comment.a = creator;
					comments.push(comment);
					textp = oldtextp; textpidx = oldtextpidx; textR = oldtextR;
				}
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
					state.push([Rn[3], false]);
					var annotag = parsexmltag(Rn[0], true);
					/* office:display TODO: check if there is a global override */
					if (!(annotag["display"] && parsexmlbool(annotag["display"]))) comments.hidden = true;
					oldtextp = textp; oldtextpidx = textpidx; oldtextR = textR;
					textp = ""; textpidx = 0; textR = [];
				}
				creator = ""; creatoridx = 0;
				break;

			case 'creator': // 4.3.2.7 <dc:creator>
				if (Rn[1] === '/') { creator = str.slice(creatoridx, Rn.index); }
				else creatoridx = Rn.index + Rn[0].length;
				break;

			/* ignore state */
			case 'meta': case '元数据': // TODO: <office:meta> <uof:元数据> FODS/UOF
			case 'settings': // TODO: <office:settings>
			case 'config-item-set': // TODO: <office:config-item-set>
			case 'config-item-map-indexed': // TODO: <office:config-item-map-indexed>
			case 'config-item-map-entry': // TODO: <office:config-item-map-entry>
			case 'config-item-map-named': // TODO: <office:config-item-map-entry>
			case 'shapes': // 9.2.8 <table:shapes>
			case 'frame': // 10.4.2 <draw:frame>
			case 'text-box': // 10.4.3 <draw:text-box>
			case 'image': // 10.4.4 <draw:image>
			case 'data-pilot-tables': // 9.6.2 <table:data-pilot-tables>
			case 'list-style': // 16.30 <text:list-style>
			case 'form': // 13.13 <form:form>
			case 'dde-links': // 9.8 <table:dde-links>
			case 'event-listeners': // TODO
			case 'chart': // TODO
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw "Bad state: " + tmp; }
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], false]);
				textp = ""; textpidx = 0; textR = [];
				break;

			case 'scientific-number': // <number:scientific-number>
			case 'currency-symbol': // <number:currency-symbol>
			case 'fill-character': // 16.29.5 <number:fill-character>
				break;

			case 'text-style': // 16.27.25 <number:text-style>
			case 'boolean-style': // 16.27.23 <number:boolean-style>
			case 'number-style': // 16.27.2 <number:number-style>
			case 'currency-style': // 16.29.8 <number:currency-style>
			case 'percentage-style': // 16.27.9 <number:percentage-style>
			case 'date-style': // 16.27.10 <number:date-style>
			case 'time-style': // 16.27.18 <number:time-style>
				if (Rn[1] === '/') {
					var xlmlidx = xlmlregex.lastIndex;
					parse_ods_styles(str.slice(nfidx, xlmlregex.lastIndex), _opts, number_format_map);
					xlmlregex.lastIndex = xlmlidx;
				} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
					nfidx = xlmlregex.lastIndex - Rn[0].length;
				} break;

			case 'script': break; // 3.13 <office:script>
			case 'libraries': break; // TODO: <ooo:libraries>
			case 'automatic-styles': break; // 3.15.3 <office:automatic-styles>

			case 'default-style': // TODO: <style:default-style>
			case 'page-layout': break; // TODO: <style:page-layout>
			case 'style': { // 16.2 <style:style>
				var styletag = parsexmltag(Rn[0], false);
				if (styletag["family"] == "table-cell" && number_format_map[styletag["data-style-name"]]) styles[styletag["name"]] = number_format_map[styletag["data-style-name"]];
			} break;
			case 'map': break; // 16.3 <style:map>
			case 'font-face': break; // 16.21 <style:font-face>

			case 'paragraph-properties': break; // 17.6 <style:paragraph-properties>
			case 'table-properties': break; // 17.15 <style:table-properties>
			case 'table-column-properties': break; // 17.16 <style:table-column-properties>
			case 'table-row-properties': break; // 17.17 <style:table-row-properties>
			case 'table-cell-properties': break; // 17.18 <style:table-cell-properties>

			case 'number': // 16.27.3 <number:number>
				break;

			case 'fraction': break; // TODO 16.27.6 <number:fraction>

			case 'day': // 16.27.11 <number:day>
			case 'month': // 16.27.12 <number:month>
			case 'year': // 16.27.13 <number:year>
			case 'era': // 16.27.14 <number:era>
			case 'day-of-week': // 16.27.15 <number:day-of-week>
			case 'week-of-year': // 16.27.16 <number:week-of-year>
			case 'quarter': // 16.27.17 <number:quarter>
			case 'hours': // 16.27.19 <number:hours>
			case 'minutes': // 16.27.20 <number:minutes>
			case 'seconds': // 16.27.21 <number:seconds>
			case 'am-pm': // 16.27.22 <number:am-pm>
				break;

			case 'boolean': break; // 16.27.24 <number:boolean>
			case 'text': // 16.27.26 <number:text>
				if (Rn[0].slice(-2) === "/>") break;
				else if (Rn[1] === "/") switch (state[state.length - 1][0]) {
					case 'number-style':
					case 'date-style':
					case 'time-style':
						NF += str.slice(pidx, Rn.index);
						break;
				}
				else pidx = Rn.index + Rn[0].length;
				break;

			case 'named-range': // 9.4.12 <table:named-range>
				tag = parsexmltag(Rn[0], false);
				_Ref = ods_to_csf_3D(tag['cell-range-address']);
				var nrange = ({ Name: tag.name, Ref: _Ref[0] + '!' + _Ref[1] });
				if (intable) nrange.Sheet = SheetNames.length;
				WB.Names.push(nrange);
				break;

			case 'text-content': break; // 16.27.27 <number:text-content>
			case 'text-properties': break; // 16.27.27 <style:text-properties>
			case 'embedded-text': break; // 16.27.4 <number:embedded-text>

			case 'body': case '电子表格': break; // 3.3 16.9.6 19.726.3

			case 'forms': break; // 12.25.2 13.2
			case 'table-column': break; // 9.1.6 <table:table-column>
			case 'table-header-rows': break; // 9.1.7 <table:table-header-rows>
			case 'table-rows': break; // 9.1.12 <table:table-rows>
			/* TODO: outline levels */
			case 'table-column-group': break; // 9.1.10 <table:table-column-group>
			case 'table-header-columns': break; // 9.1.11 <table:table-header-columns>
			case 'table-columns': break; // 9.1.12 <table:table-columns>

			case 'null-date': // 9.4.2 <table:null-date>
				tag = parsexmltag(Rn[0], false);
				switch (tag["date-value"]) {
					case "1904-01-01": WB.WBProps.date1904 = true; break;
				}
				break;

			case 'graphic-properties': break; // 17.21 <style:graphic-properties>
			case 'calculation-settings': break; // 9.4.1 <table:calculation-settings>
			case 'named-expressions': break; // 9.4.11 <table:named-expressions>
			case 'label-range': break; // 9.4.9 <table:label-range>
			case 'label-ranges': break; // 9.4.10 <table:label-ranges>
			case 'named-expression': break; // 9.4.13 <table:named-expression>
			case 'sort': break; // 9.4.19 <table:sort>
			case 'sort-by': break; // 9.4.20 <table:sort-by>
			case 'sort-groups': break; // 9.4.22 <table:sort-groups>

			case 'tab': break; // 6.1.4 <text:tab>
			case 'line-break': break; // 6.1.5 <text:line-break>
			case 'span': break; // 6.1.7 <text:span>
			case 'p': case '文本串': // 5.1.3 <text:p>
				if (['master-styles'].indexOf(state[state.length - 1][0]) > -1) break;
				if (Rn[1] === '/' && (!ctag || !ctag['string-value'])) {
					var ptp = parse_text_p(str.slice(textpidx, Rn.index), textptag);
					textp = (textp.length > 0 ? textp + "\n" : "") + ptp[0];
				} else if (Rn[0].slice(-2) == "/>") {
					/* TODO: is self-closing 文本串 valid? */
					textp += "\n";
				} else { textptag = parsexmltag(Rn[0], false); textpidx = Rn.index + Rn[0].length; }
				break; // <text:p>
			case 's': break; // <text:s>

			case 'database-range': // 9.4.15 <table:database-range>
				if (Rn[1] === '/') break;
				try {
					_Ref = ods_to_csf_3D(parsexmltag(Rn[0])['target-range-address']);
					Sheets[_Ref[0]]['!autofilter'] = { ref: _Ref[1] };
				} catch (e) {/* empty */ }
				break;

			case 'date': break; // <*:date>

			case 'object': break; // 10.4.6.2 <draw:object>
			case 'title': case '标题': break; // <*:title> OR <uof:标题>
			case 'desc': break; // <*:desc>
			case 'binary-data': break; // 10.4.5 TODO: b64 blob

			/* 9.2 Advanced Tables */
			case 'table-source': break; // 9.2.6
			case 'scenario': break; // 9.2.6

			case 'iteration': break; // 9.4.3 <table:iteration>
			case 'content-validations': break; // 9.4.4 <table:
			case 'content-validation': break; // 9.4.5 <table:
			case 'help-message': break; // 9.4.6 <table:
			case 'error-message': break; // 9.4.7 <table:
			case 'database-ranges': break; // 9.4.14 <table:database-ranges>

			/* 9.5 Filters */
			case 'filter': break; // 9.5.2 <table:filter>
			case 'filter-and': break; // 9.5.3 <table:filter-and>
			case 'filter-or': break; // 9.5.4 <table:filter-or>
			case 'filter-condition': break; // 9.5.5 <table:filter-condition>
			case 'filter-set-item': break; // 9.5.6 <table:filter-condition>

			case 'list-level-style-bullet': break; // 16.31 <text:
			case 'list-level-style-number': break; // 16.32 <text:
			case 'list-level-properties': break; // 17.19 <style:

			/* 7.3 Document Fields */
			case 'sender-firstname': // 7.3.6.2
			case 'sender-lastname': // 7.3.6.3
			case 'sender-initials': // 7.3.6.4
			case 'sender-title': // 7.3.6.5
			case 'sender-position': // 7.3.6.6
			case 'sender-email': // 7.3.6.7
			case 'sender-phone-private': // 7.3.6.8
			case 'sender-fax': // 7.3.6.9
			case 'sender-company': // 7.3.6.10
			case 'sender-phone-work': // 7.3.6.11
			case 'sender-street': // 7.3.6.12
			case 'sender-city': // 7.3.6.13
			case 'sender-postal-code': // 7.3.6.14
			case 'sender-country': // 7.3.6.15
			case 'sender-state-or-province': // 7.3.6.16
			case 'author-name': // 7.3.7.1
			case 'author-initials': // 7.3.7.2
			case 'chapter': // 7.3.8
			case 'file-name': // 7.3.9
			case 'template-name': // 7.3.9
			case 'sheet-name': // 7.3.9
				break;

			case 'event-listener':
				break;
			/* TODO: FODS Properties */
			case 'initial-creator':
			case 'creation-date':
			case 'print-date':
			case 'generator':
			case 'document-statistic':
			case 'user-defined':
			case 'editing-duration':
			case 'editing-cycles':
				break;

			/* TODO: FODS Config */
			case 'config-item':
				break;

			/* TODO: style tokens */
			case 'page-number': break; // TODO <text:page-number>
			case 'page-count': break; // TODO <text:page-count>
			case 'time': break; // TODO <text:time>

			/* 9.3 Advanced Table Cells */
			case 'cell-range-source': break; // 9.3.1 <table:
			case 'detective': break; // 9.3.2 <table:
			case 'operation': break; // 9.3.3 <table:
			case 'highlighted-range': break; // 9.3.4 <table:

			/* 9.6 Data Pilot Tables <table: */
			case 'data-pilot-table': // 9.6.3
			case 'source-cell-range': // 9.6.5
			case 'source-service': // 9.6.6
			case 'data-pilot-field': // 9.6.7
			case 'data-pilot-level': // 9.6.8
			case 'data-pilot-subtotals': // 9.6.9
			case 'data-pilot-subtotal': // 9.6.10
			case 'data-pilot-members': // 9.6.11
			case 'data-pilot-member': // 9.6.12
			case 'data-pilot-display-info': // 9.6.13
			case 'data-pilot-sort-info': // 9.6.14
			case 'data-pilot-layout-info': // 9.6.15
			case 'data-pilot-field-reference': // 9.6.16
			case 'data-pilot-groups': // 9.6.17
			case 'data-pilot-group': // 9.6.18
			case 'data-pilot-group-member': // 9.6.19
				break;

			/* 10.3 Drawing Shapes */
			case 'rect': // 10.3.2
				break;

			/* 14.6 DDE Connections */
			case 'dde-connection-decls': // 14.6.2 <text:
			case 'dde-connection-decl': // 14.6.3 <text:
			case 'dde-link': // 14.6.4 <table:
			case 'dde-source': // 14.6.5 <office:
				break;

			case 'properties': break; // 13.7 <form:properties>
			case 'property': break; // 13.8 <form:property>

			case 'a': // 6.1.8 hyperlink
				if (Rn[1] !== '/') {
					atag = parsexmltag(Rn[0], false);
					if (!atag.href) break;
					atag.Target = unescapexml(atag.href); delete atag.href;
					if (atag.Target.charAt(0) == "#" && atag.Target.indexOf(".") > -1) {
						_Ref = ods_to_csf_3D(atag.Target.slice(1));
						atag.Target = "#" + _Ref[0] + "!" + _Ref[1];
					} else if (atag.Target.match(/^\.\.[\\\/]/)) atag.Target = atag.Target.slice(3);
				}
				break;

			/* non-standard */
			case 'table-protection': break;
			case 'data-pilot-grand-total': break; // <table:
			case 'office-document-common-attrs': break; // bare
			default: switch (Rn[2]) {
				case 'dc:':       // TODO: properties
				case 'calcext:':  // ignore undocumented extensions
				case 'loext:':    // ignore undocumented extensions
				case 'ooo:':      // ignore undocumented extensions
				case 'chartooo:': // ignore undocumented extensions
				case 'draw:':     // TODO: drawing
				case 'style:':    // TODO: styles
				case 'chart:':    // TODO: charts
				case 'form:':     // TODO: forms
				case 'uof:':      // TODO: uof
				case '表:':       // TODO: uof
				case '字:':       // TODO: uof
					break;
				default: if (opts.WTF) throw new Error(Rn);
			}
		}
		var out = ({
			Sheets: Sheets,
			SheetNames: SheetNames,
			Workbook: WB
		});
		if (opts.bookSheets) delete out.Sheets;
		return out;
	}

	function parse_ods(zip, opts) {
		opts = opts || ({});
		if (safegetzipfile(zip, 'META-INF/manifest.xml')) parse_manifest(getzipdata(zip, 'META-INF/manifest.xml'), opts);
		var styles = getzipstr(zip, 'styles.xml');
		var Styles = styles && parse_ods_styles(utf8read(styles), opts);
		var content = getzipstr(zip, 'content.xml');
		if (!content) throw new Error("Missing content.xml in ODS / UOF file");
		var wb = parse_content_xml(utf8read(content), opts, Styles);
		if (safegetzipfile(zip, 'meta.xml')) wb.Props = parse_core_props(getzipdata(zip, 'meta.xml'));
		wb.bookType = "ods";
		return wb;
	}
	function parse_fods(data, opts) {
		var wb = parse_content_xml(data, opts);
		wb.bookType = "fods";
		return wb;
	}
	/* OpenDocument */
	var write_styles_ods = /* @__PURE__ */(function () {
		var master_styles = [
			'<office:master-styles>',
			'<style:master-page style:name="mp1" style:page-layout-name="mp1">',
			'<style:header/>',
			'<style:header-left style:display="false"/>',
			'<style:footer/>',
			'<style:footer-left style:display="false"/>',
			'</style:master-page>',
			'</office:master-styles>'
		].join("");

		var payload = '<office:document-styles ' + wxt_helper({
			'xmlns:office': "urn:oasis:names:tc:opendocument:xmlns:office:1.0",
			'xmlns:table': "urn:oasis:names:tc:opendocument:xmlns:table:1.0",
			'xmlns:style': "urn:oasis:names:tc:opendocument:xmlns:style:1.0",
			'xmlns:text': "urn:oasis:names:tc:opendocument:xmlns:text:1.0",
			'xmlns:draw': "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0",
			'xmlns:fo': "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0",
			'xmlns:xlink': "http://www.w3.org/1999/xlink",
			'xmlns:dc': "http://purl.org/dc/elements/1.1/",
			'xmlns:number': "urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0",
			'xmlns:svg': "urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0",
			'xmlns:of': "urn:oasis:names:tc:opendocument:xmlns:of:1.2",
			'office:version': "1.2"
		}) + '>' + master_styles + '</office:document-styles>';

		return function wso() {
			return XML_HEADER + payload;
		};
	})();

	// TODO: find out if anyone actually read the spec.  LO has some wild errors
	function write_number_format_ods(nf, nfidx) {
		var type = "number", payload = "", nopts = { "style:name": nfidx }, c = "", i = 0;
		nf = nf.replace(/"[$]"/g, "$");
		/* TODO: replace with an actual parser based on a real grammar */
		j: {
			// TODO: support style maps
			if (nf.indexOf(";") > -1) {
				console.error("Unsupported ODS Style Map exported.  Using first branch of " + nf);
				nf = nf.slice(0, nf.indexOf(";"));
			}

			if (nf == "@") { type = "text"; payload = "<number:text-content/>"; break j; }

			/* currency flag */
			if (nf.indexOf(/\$/) > -1) { type = "currency"; }

			/* opening string literal */
			if (nf[i] == '"') {
				c = "";
				while (nf[++i] != '"' || nf[++i] == '"') c += nf[i]; --i;
				if (nf[i + 1] == "*") {
					i++;
					payload += '<number:fill-character>' + escapexml(c.replace(/""/g, '"')) + '</number:fill-character>';
				} else {
					payload += '<number:text>' + escapexml(c.replace(/""/g, '"')) + '</number:text>';
				}
				nf = nf.slice(i + 1); i = 0;
			}

			/* fractions */
			var t = nf.match(/# (\?+)\/(\?+)/);
			if (t) { payload += writextag("number:fraction", null, { "number:min-integer-digits": 0, "number:min-numerator-digits": t[1].length, "number:max-denominator-value": Math.max(+(t[1].replace(/./g, "9")), +(t[2].replace(/./g, "9"))) }); break j; }
			if ((t = nf.match(/# (\?+)\/(\d+)/))) { payload += writextag("number:fraction", null, { "number:min-integer-digits": 0, "number:min-numerator-digits": t[1].length, "number:denominator-value": +t[2] }); break j; }

			/* percentages */
			if ((t = nf.match(/\b(\d+)(|\.\d+)%/))) { type = "percentage"; payload += writextag("number:number", null, { "number:decimal-places": t[2] && t.length - 1 || 0, "number:min-decimal-places": t[2] && t.length - 1 || 0, "number:min-integer-digits": t[1].length }) + "<number:text>%</number:text>"; break j; }

			/* datetime */
			var has_time = false;
			if (["y", "m", "d"].indexOf(nf[0]) > -1) {
				type = "date";
				k: for (; i < nf.length; ++i) switch ((c = nf[i].toLowerCase())) {
					case "h": case "s": has_time = true; --i; break k;
					case "m":
						l: for (var h = i + 1; h < nf.length; ++h) switch (nf[h]) {
							case "y": case "d": break l;
							case "h": case "s": has_time = true; --i; break k;
						}
					/* falls through */
					case "y": case "d":
						while ((nf[++i] || "").toLowerCase() == c[0]) c += c[0]; --i;
						switch (c) {
							case "y": case "yy": payload += "<number:year/>"; break;
							case "yyy": case "yyyy": payload += '<number:year number:style="long"/>'; break;
							case "mmmmm": console.error("ODS has no equivalent of format |mmmmm|");
							/* falls through */
							case "m": case "mm": case "mmm": case "mmmm":
								payload += '<number:month number:style="' + (c.length % 2 ? "short" : "long") + '" number:textual="' + (c.length >= 3 ? "true" : "false") + '"/>';
								break;
							case "d": case "dd": payload += '<number:day number:style="' + (c.length % 2 ? "short" : "long") + '"/>'; break;
							case "ddd": case "dddd": payload += '<number:day-of-week number:style="' + (c.length % 2 ? "short" : "long") + '"/>'; break;
						}
						break;
					case '"':
						while (nf[++i] != '"' || nf[++i] == '"') c += nf[i]; --i;
						payload += '<number:text>' + escapexml(c.slice(1).replace(/""/g, '"')) + '</number:text>';
						break;
					case '\\': c = nf[++i];
						payload += '<number:text>' + escapexml(c) + '</number:text>'; break;
					case '/': case ':': payload += '<number:text>' + escapexml(c) + '</number:text>'; break;
					default: console.error("unrecognized character " + c + " in ODF format " + nf);
				}
				if (!has_time) break j;
				nf = nf.slice(i + 1); i = 0;
			}
			if (nf.match(/^\[?[hms]/)) {
				if (type == "number") type = "time";
				if (nf.match(/\[/)) {
					nf = nf.replace(/[\[\]]/g, "");
					nopts['number:truncate-on-overflow'] = "false";
				}
				for (; i < nf.length; ++i) switch ((c = nf[i].toLowerCase())) {
					case "h": case "m": case "s":
						while ((nf[++i] || "").toLowerCase() == c[0]) c += c[0]; --i;
						switch (c) {
							case "h": case "hh": payload += '<number:hours number:style="' + (c.length % 2 ? "short" : "long") + '"/>'; break;
							case "m": case "mm": payload += '<number:minutes number:style="' + (c.length % 2 ? "short" : "long") + '"/>'; break;
							case "s": case "ss":
								if (nf[i + 1] == ".") do { c += nf[i + 1]; ++i; } while (nf[i + 1] == "0");
								payload += '<number:seconds number:style="' + (c.match("ss") ? "long" : "short") + '"' + (c.match(/\./) ? ' number:decimal-places="' + (c.match(/0+/) || [""])[0].length + '"' : "") + '/>'; break;
						}
						break;
					case '"':
						while (nf[++i] != '"' || nf[++i] == '"') c += nf[i]; --i;
						payload += '<number:text>' + escapexml(c.slice(1).replace(/""/g, '"')) + '</number:text>';
						break;
					case '/': case ':': payload += '<number:text>' + escapexml(c) + '</number:text>'; break;
					case "a":
						if (nf.slice(i, i + 3).toLowerCase() == "a/p") { payload += '<number:am-pm/>'; i += 2; break; } // Note: ODF does not support A/P
						if (nf.slice(i, i + 5).toLowerCase() == "am/pm") { payload += '<number:am-pm/>'; i += 4; break; }
					/* falls through */
					default: console.error("unrecognized character " + c + " in ODF format " + nf);
				}
				break j;
			}

			/* currency flag */
			if (nf.indexOf(/\$/) > -1) { type = "currency"; }

			/* should be in a char loop */
			if (nf[0] == "$") { payload += '<number:currency-symbol number:language="en" number:country="US">$</number:currency-symbol>'; nf = nf.slice(1); i = 0; }
			i = 0; if (nf[i] == '"') {
				while (nf[++i] != '"' || nf[++i] == '"') c += nf[i]; --i;
				if (nf[i + 1] == "*") {
					i++;
					payload += '<number:fill-character>' + escapexml(c.replace(/""/g, '"')) + '</number:fill-character>';
				} else {
					payload += '<number:text>' + escapexml(c.replace(/""/g, '"')) + '</number:text>';
				}
				nf = nf.slice(i + 1); i = 0;
			}

			/* number TODO: interstitial text e.g. 000)000-0000 */
			var np = nf.match(/([#0][0#,]*)(\.[0#]*|)(E[+]?0*|)/i);
			if (!np || !np[0]) console.error("Could not find numeric part of " + nf);
			else {
				var base = np[1].replace(/,/g, "");
				payload += '<number:' + (np[3] ? "scientific-" : "") + 'number' +
					' number:min-integer-digits="' + (base.indexOf("0") == -1 ? "0" : base.length - base.indexOf("0")) + '"' +
					(np[0].indexOf(",") > -1 ? ' number:grouping="true"' : "") +
					(np[2] && ' number:decimal-places="' + (np[2].length - 1) + '"' || ' number:decimal-places="0"') +
					(np[3] && np[3].indexOf("+") > -1 ? ' number:forced-exponent-sign="true"' : "") +
					(np[3] ? ' number:min-exponent-digits="' + np[3].match(/0+/)[0].length + '"' : "") +
					'>' +
					/* TODO: interstitial text placeholders */
					'</number:' + (np[3] ? "scientific-" : "") + 'number>';
				i = np.index + np[0].length;
			}

			/* residual text */
			if (nf[i] == '"') {
				c = "";
				while (nf[++i] != '"' || nf[++i] == '"') c += nf[i]; --i;
				payload += '<number:text>' + escapexml(c.replace(/""/g, '"')) + '</number:text>';
			}
		}

		if (!payload) { console.error("Could not generate ODS number format for |" + nf + "|"); return ""; }
		return writextag("number:" + type + "-style", payload, nopts);
	}

	function write_names_ods(Names, SheetNames, idx) {
		//var scoped = Names.filter(function(name) { return name.Sheet == (idx == -1 ? null : idx); });
		var scoped = []; for (var namei = 0; namei < Names.length; ++namei) {
			var name = Names[namei];
			if (!name) continue;
			if (name.Sheet == (idx == -1 ? null : idx)) scoped.push(name);
		}
		if (!scoped.length) return "";
		return "      <table:named-expressions>\n" + scoped.map(function (name) {
			var odsref = (idx == -1 ? "$" : "") + csf_to_ods_3D(name.Ref);
			return "        " + writextag("table:named-range", null, {
				"table:name": name.Name,
				"table:cell-range-address": odsref,
				"table:base-cell-address": odsref.replace(/[\.][^\.]*$/, ".$A$1")
			});
		}).join("\n") + "\n      </table:named-expressions>\n";
	}
	var write_content_ods = /* @__PURE__ */(function () {
		/* 6.1.2 White Space Characters */
		var write_text_p = function (text, span) {
			return escapexml(text)
				.replace(/  +/g, function ($$) { return '<text:s text:c="' + $$.length + '"/>'; })
				.replace(/\t/g, "<text:tab/>")
				.replace(/\n/g, span ? "<text:line-break/>" : "</text:p><text:p>")
				.replace(/^ /, "<text:s/>").replace(/ $/, "<text:s/>");
		};

		var null_cell_xml = '          <table:table-cell />\n';
		var write_ws = function (ws, wb, i, opts, nfs, date1904) {
			/* Section 9 Tables */
			var o = [];
			o.push('      <table:table table:name="' + escapexml(wb.SheetNames[i]) + '" table:style-name="ta1">\n');
			var R = 0, C = 0, range = decode_range(ws['!ref'] || "A1");
			var marr = ws['!merges'] || [], mi = 0;
			var dense = ws["!data"] != null;
			if (ws["!cols"]) {
				for (C = 0; C <= range.e.c; ++C) o.push('        <table:table-column' + (ws["!cols"][C] ? ' table:style-name="co' + ws["!cols"][C].ods + '"' : '') + '></table:table-column>\n');
			}
			var H = "", ROWS = ws["!rows"] || [];
			for (R = 0; R < range.s.r; ++R) {
				H = ROWS[R] ? ' table:style-name="ro' + ROWS[R].ods + '"' : "";
				o.push('        <table:table-row' + H + '></table:table-row>\n');
			}
			for (; R <= range.e.r; ++R) {
				H = ROWS[R] ? ' table:style-name="ro' + ROWS[R].ods + '"' : "";
				o.push('        <table:table-row' + H + '>\n');
				for (C = 0; C < range.s.c; ++C) o.push(null_cell_xml);
				for (; C <= range.e.c; ++C) {
					var skip = false, ct = {}, textp = "";
					for (mi = 0; mi != marr.length; ++mi) {
						if (marr[mi].s.c > C) continue;
						if (marr[mi].s.r > R) continue;
						if (marr[mi].e.c < C) continue;
						if (marr[mi].e.r < R) continue;
						if (marr[mi].s.c != C || marr[mi].s.r != R) skip = true;
						ct['table:number-columns-spanned'] = (marr[mi].e.c - marr[mi].s.c + 1);
						ct['table:number-rows-spanned'] = (marr[mi].e.r - marr[mi].s.r + 1);
						break;
					}
					if (skip) { o.push('          <table:covered-table-cell/>\n'); continue; }
					var ref = encode_cell({ r: R, c: C }), cell = dense ? (ws["!data"][R] || [])[C] : ws[ref];
					if (cell && cell.f) {
						ct['table:formula'] = escapexml(csf_to_ods_formula(cell.f));
						if (cell.F) {
							if (cell.F.slice(0, ref.length) == ref) {
								var _Fref = decode_range(cell.F);
								ct['table:number-matrix-columns-spanned'] = (_Fref.e.c - _Fref.s.c + 1);
								ct['table:number-matrix-rows-spanned'] = (_Fref.e.r - _Fref.s.r + 1);
							}
						}
					}
					if (!cell) { o.push(null_cell_xml); continue; }
					switch (cell.t) {
						case 'b':
							textp = (cell.v ? 'TRUE' : 'FALSE');
							ct['office:value-type'] = "boolean";
							ct['office:boolean-value'] = (cell.v ? 'true' : 'false');
							break;
						case 'n':
							if (!isFinite(cell.v)) {
								if (isNaN(cell.v)) {
									textp = "#NUM!";
									ct['table:formula'] = "of:=#NUM!";
								} else {
									textp = "#DIV/0!";
									ct['table:formula'] = "of:=" + (cell.v < 0 ? "-" : "") + "1/0";
								}
								ct['office:string-value'] = "";
								ct['office:value-type'] = "string";
								ct['calcext:value-type'] = "error";
							} else {
								textp = (cell.w || String(cell.v || 0));
								ct['office:value-type'] = "float";
								ct['office:value'] = (cell.v || 0);
							}
							break;
						case 's': case 'str':
							textp = cell.v == null ? "" : cell.v;
							ct['office:value-type'] = "string";
							break;
						case 'd':
							textp = (cell.w || (parseDate(cell.v, date1904).toISOString()));
							ct['office:value-type'] = "date";
							ct['office:date-value'] = (parseDate(cell.v, date1904).toISOString());
							ct['table:style-name'] = "ce1";
							break;
						//case 'e': // TODO: translate to ODS errors
						default: o.push(null_cell_xml); continue; // TODO: empty cell with comments
					}
					var text_p = write_text_p(textp);
					if (cell.l && cell.l.Target) {
						var _tgt = cell.l.Target;
						_tgt = _tgt.charAt(0) == "#" ? "#" + csf_to_ods_3D(_tgt.slice(1)) : _tgt;
						// TODO: choose correct parent path format based on link delimiters
						if (_tgt.charAt(0) != "#" && !_tgt.match(/^\w+:/)) _tgt = '../' + _tgt;
						text_p = writextag('text:a', text_p, { 'xlink:href': _tgt.replace(/&/g, "&amp;") });
					}
					if (nfs[cell.z]) ct["table:style-name"] = "ce" + nfs[cell.z].slice(1);
					var payload = writextag('text:p', text_p, {});
					if (cell.c) {
						var acreator = "", apayload = "", aprops = {};
						for (var ci = 0; ci < cell.c.length; ++ci) {
							if (!acreator && cell.c[ci].a) acreator = cell.c[ci].a;
							apayload += "<text:p>" + write_text_p(cell.c[ci].t) + "</text:p>";
						}
						if (!cell.c.hidden) aprops["office:display"] = true;
						payload = writextag('office:annotation', apayload, aprops) + payload;
					}
					o.push('          ' + writextag('table:table-cell', payload, ct) + '\n');
				}
				o.push('        </table:table-row>\n');
			}
			if ((wb.Workbook || {}).Names) o.push(write_names_ods(wb.Workbook.Names, wb.SheetNames, i));
			o.push('      </table:table>\n');
			return o.join("");
		};

		var write_automatic_styles_ods = function (o, wb) {
			o.push(' <office:automatic-styles>\n');

			/* column styles */
			var cidx = 0;
			wb.SheetNames.map(function (n) { return wb.Sheets[n]; }).forEach(function (ws) {
				if (!ws) return;
				if (ws["!cols"]) {
					for (var C = 0; C < ws["!cols"].length; ++C) if (ws["!cols"][C]) {
						var colobj = ws["!cols"][C];
						if (colobj.width == null && colobj.wpx == null && colobj.wch == null) continue;
						process_col(colobj);
						colobj.ods = cidx;
						var w = ws["!cols"][C].wpx + "px";
						o.push('  <style:style style:name="co' + cidx + '" style:family="table-column">\n');
						o.push('   <style:table-column-properties fo:break-before="auto" style:column-width="' + w + '"/>\n');
						o.push('  </style:style>\n');
						++cidx;
					}
				}
			});

			/* row styles */
			var ridx = 0;
			wb.SheetNames.map(function (n) { return wb.Sheets[n]; }).forEach(function (ws) {
				if (!ws) return;
				if (ws["!rows"]) {
					for (var R = 0; R < ws["!rows"].length; ++R) if (ws["!rows"][R]) {
						ws["!rows"][R].ods = ridx;
						var h = ws["!rows"][R].hpx + "px";
						o.push('  <style:style style:name="ro' + ridx + '" style:family="table-row">\n');
						o.push('   <style:table-row-properties fo:break-before="auto" style:row-height="' + h + '"/>\n');
						o.push('  </style:style>\n');
						++ridx;
					}
				}
			});

			/* table */
			o.push('  <style:style style:name="ta1" style:family="table" style:master-page-name="mp1">\n');
			o.push('   <style:table-properties table:display="true" style:writing-mode="lr-tb"/>\n');
			o.push('  </style:style>\n');

			o.push('  <number:date-style style:name="N37" number:automatic-order="true">\n');
			o.push('   <number:month number:style="long"/>\n');
			o.push('   <number:text>/</number:text>\n');
			o.push('   <number:day number:style="long"/>\n');
			o.push('   <number:text>/</number:text>\n');
			o.push('   <number:year/>\n');
			o.push('  </number:date-style>\n');

			/* number formats, table cells, text */
			var nfs = {};
			var nfi = 69;
			wb.SheetNames.map(function (n) { return wb.Sheets[n]; }).forEach(function (ws) {
				if (!ws) return;
				var dense = (ws["!data"] != null);
				if (!ws["!ref"]) return;
				var range = decode_range(ws["!ref"]);
				for (var R = 0; R <= range.e.r; ++R) for (var C = 0; C <= range.e.c; ++C) {
					var c = dense ? (ws["!data"][R] || [])[C] : ws[encode_cell({ r: R, c: C })];
					if (!c || !c.z || c.z.toLowerCase() == "general") continue;
					if (!nfs[c.z]) {
						var out = write_number_format_ods(c.z, "N" + nfi);
						if (out) { nfs[c.z] = "N" + nfi; ++nfi; o.push(out + "\n"); }
					}
				}
			});
			o.push('  <style:style style:name="ce1" style:family="table-cell" style:parent-style-name="Default" style:data-style-name="N37"/>\n');
			keys(nfs).forEach(function (nf) {
				o.push('<style:style style:name="ce' + nfs[nf].slice(1) + '" style:family="table-cell" style:parent-style-name="Default" style:data-style-name="' + nfs[nf] + '"/>\n');
			});

			/* page-layout */

			o.push(' </office:automatic-styles>\n');
			return nfs;
		};

		return function wcx(wb, opts) {
			var o = [XML_HEADER];
			/* 3.1.3.2 */
			var attr = wxt_helper({
				'xmlns:office': "urn:oasis:names:tc:opendocument:xmlns:office:1.0",
				'xmlns:table': "urn:oasis:names:tc:opendocument:xmlns:table:1.0",
				'xmlns:style': "urn:oasis:names:tc:opendocument:xmlns:style:1.0",
				'xmlns:text': "urn:oasis:names:tc:opendocument:xmlns:text:1.0",
				'xmlns:draw': "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0",
				'xmlns:fo': "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0",
				'xmlns:xlink': "http://www.w3.org/1999/xlink",
				'xmlns:dc': "http://purl.org/dc/elements/1.1/",
				'xmlns:meta': "urn:oasis:names:tc:opendocument:xmlns:meta:1.0",
				'xmlns:number': "urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0",
				'xmlns:presentation': "urn:oasis:names:tc:opendocument:xmlns:presentation:1.0",
				'xmlns:svg': "urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0",
				'xmlns:chart': "urn:oasis:names:tc:opendocument:xmlns:chart:1.0",
				'xmlns:dr3d': "urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0",
				'xmlns:math': "http://www.w3.org/1998/Math/MathML",
				'xmlns:form': "urn:oasis:names:tc:opendocument:xmlns:form:1.0",
				'xmlns:script': "urn:oasis:names:tc:opendocument:xmlns:script:1.0",
				'xmlns:ooo': "http://openoffice.org/2004/office",
				'xmlns:ooow': "http://openoffice.org/2004/writer",
				'xmlns:oooc': "http://openoffice.org/2004/calc",
				'xmlns:dom': "http://www.w3.org/2001/xml-events",
				'xmlns:xforms': "http://www.w3.org/2002/xforms",
				'xmlns:xsd': "http://www.w3.org/2001/XMLSchema",
				'xmlns:xsi': "http://www.w3.org/2001/XMLSchema-instance",
				'xmlns:sheet': "urn:oasis:names:tc:opendocument:sh33tjs:1.0",
				'xmlns:rpt': "http://openoffice.org/2005/report",
				'xmlns:of': "urn:oasis:names:tc:opendocument:xmlns:of:1.2",
				'xmlns:xhtml': "http://www.w3.org/1999/xhtml",
				'xmlns:grddl': "http://www.w3.org/2003/g/data-view#",
				'xmlns:tableooo': "http://openoffice.org/2009/table",
				'xmlns:drawooo': "http://openoffice.org/2010/draw",
				'xmlns:calcext': "urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0",
				'xmlns:loext': "urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0",
				'xmlns:field': "urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0",
				'xmlns:formx': "urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0",
				'xmlns:css3t': "http://www.w3.org/TR/css3-text/",
				'office:version': "1.2"
			});

			var fods = wxt_helper({
				'xmlns:config': "urn:oasis:names:tc:opendocument:xmlns:config:1.0",
				'office:mimetype': "application/vnd.oasis.opendocument.spreadsheet"
			});

			if (opts.bookType == "fods") {
				o.push('<office:document' + attr + fods + '>\n');
				o.push(write_meta_ods().replace(/<office:document-meta[^<>]*?>/, "").replace(/<\/office:document-meta>/, "") + "\n");
				// TODO: settings (equiv of settings.xml for ODS)
			} else o.push('<office:document-content' + attr + '>\n');
			// o.push('  <office:scripts/>\n');
			var nfs = write_automatic_styles_ods(o, wb);
			o.push('  <office:body>\n');
			o.push('    <office:spreadsheet>\n');
			if (((wb.Workbook || {}).WBProps || {}).date1904) o.push('      <table:calculation-settings table:case-sensitive="false" table:search-criteria-must-apply-to-whole-cell="true" table:use-wildcards="true" table:use-regular-expressions="false" table:automatic-find-labels="false">\n        <table:null-date table:date-value="1904-01-01"/>\n      </table:calculation-settings>\n');
			for (var i = 0; i != wb.SheetNames.length; ++i) o.push(write_ws(wb.Sheets[wb.SheetNames[i]], wb, i, opts, nfs, ((wb.Workbook || {}).WBProps || {}).date1904));
			if ((wb.Workbook || {}).Names) o.push(write_names_ods(wb.Workbook.Names, wb.SheetNames, -1));
			o.push('    </office:spreadsheet>\n');
			o.push('  </office:body>\n');
			if (opts.bookType == "fods") o.push('</office:document>');
			else o.push('</office:document-content>');
			return o.join("");
		};
	})();

	function write_ods(wb, opts) {
		if (opts.bookType == "fods") return write_content_ods(wb, opts);

		var zip = zip_new();
		var f = "";

		var manifest = [];
		var rdf = [];

		/* Part 3 Section 3.3 MIME Media Type */
		f = "mimetype";
		zip_add_file(zip, f, "application/vnd.oasis.opendocument.spreadsheet");

		/* Part 1 Section 2.2 Documents */
		f = "content.xml";
		zip_add_file(zip, f, write_content_ods(wb, opts));
		manifest.push([f, "text/xml"]);
		rdf.push([f, "ContentFile"]);

		/* TODO: these are hard-coded styles to satiate excel */
		f = "styles.xml";
		zip_add_file(zip, f, write_styles_ods(wb, opts));
		manifest.push([f, "text/xml"]);
		rdf.push([f, "StylesFile"]);

		/* TODO: this is hard-coded to satiate excel */
		f = "meta.xml";
		zip_add_file(zip, f, XML_HEADER + write_meta_ods());
		manifest.push([f, "text/xml"]);
		rdf.push([f, "MetadataFile"]);

		/* Part 3 Section 6 Metadata Manifest File */
		f = "manifest.rdf";
		zip_add_file(zip, f, write_rdf(rdf/*, opts*/));
		manifest.push([f, "application/rdf+xml"]);

		/* Part 3 Section 4 Manifest File */
		f = "META-INF/manifest.xml";
		zip_add_file(zip, f, write_manifest(manifest/*, opts*/));

		return zip;
	}

	/*! sheetjs (C) 2013-present SheetJS -- http://sheetjs.com */
	var subarray = function () {
		try {
			if (typeof Uint8Array == "undefined")
				return "slice";
			if (typeof Uint8Array.prototype.subarray == "undefined")
				return "slice";
			if (typeof Buffer !== "undefined") {
				if (typeof Buffer.prototype.subarray == "undefined")
					return "slice";
				if ((typeof Buffer.from == "function" ? Buffer.from([72, 62]) : new Buffer([72, 62])) instanceof Uint8Array)
					return "subarray";
				return "slice";
			}
			return "subarray";
		} catch (e) {
			return "slice";
		}
	}();
	function u8_to_dataview(array) {
		return new DataView(array.buffer, array.byteOffset, array.byteLength);
	}
	function u8str(u8) {
		return typeof TextDecoder != "undefined" ? new TextDecoder().decode(u8) : utf8read(a2s(u8));
	}
	function stru8(str) {
		return typeof TextEncoder != "undefined" ? new TextEncoder().encode(str) : s2a(utf8write(str));
	}
	function u8concat(u8a) {
		var len = 0;
		for (var i = 0; i < u8a.length; ++i)
			len += u8a[i].length;
		var out = new Uint8Array(len);
		var off = 0;
		for (i = 0; i < u8a.length; ++i) {
			var u8 = u8a[i], L = u8.length;
			if (L < 250) {
				for (var j = 0; j < L; ++j)
					out[off++] = u8[j];
			} else {
				out.set(u8, off);
				off += L;
			}
		}
		return out;
	}
	function popcnt(x) {
		x -= x >> 1 & 1431655765;
		x = (x & 858993459) + (x >> 2 & 858993459);
		return (x + (x >> 4) & 252645135) * 16843009 >>> 24;
	}
	function readDecimal128LE(buf, offset) {
		var exp = (buf[offset + 15] & 127) << 7 | buf[offset + 14] >> 1;
		var mantissa = buf[offset + 14] & 1;
		for (var j = offset + 13; j >= offset; --j)
			mantissa = mantissa * 256 + buf[j];
		return (buf[offset + 15] & 128 ? -mantissa : mantissa) * Math.pow(10, exp - 6176);
	}
	function writeDecimal128LE(buf, offset, value) {
		var exp = Math.floor(value == 0 ? 0 : Math.LOG10E * Math.log(Math.abs(value))) + 6176 - 16;
		var mantissa = value / Math.pow(10, exp - 6176);
		buf[offset + 15] |= exp >> 7;
		buf[offset + 14] |= (exp & 127) << 1;
		for (var i = 0; mantissa >= 1; ++i, mantissa /= 256)
			buf[offset + i] = mantissa & 255;
		buf[offset + 15] |= value >= 0 ? 0 : 128;
	}
	function parse_varint49(buf, ptr) {
		var l = ptr.l;
		var usz = buf[l] & 127;
		varint:
		if (buf[l++] >= 128) {
			usz |= (buf[l] & 127) << 7;
			if (buf[l++] < 128)
				break varint;
			usz |= (buf[l] & 127) << 14;
			if (buf[l++] < 128)
				break varint;
			usz |= (buf[l] & 127) << 21;
			if (buf[l++] < 128)
				break varint;
			usz += (buf[l] & 127) * Math.pow(2, 28);
			++l;
			if (buf[l++] < 128)
				break varint;
			usz += (buf[l] & 127) * Math.pow(2, 35);
			++l;
			if (buf[l++] < 128)
				break varint;
			usz += (buf[l] & 127) * Math.pow(2, 42);
			++l;
			if (buf[l++] < 128)
				break varint;
		}
		ptr.l = l;
		return usz;
	}
	function write_varint49(v) {
		var usz = new Uint8Array(7);
		usz[0] = v & 127;
		var L = 1;
		sz:
		if (v > 127) {
			usz[L - 1] |= 128;
			usz[L] = v >> 7 & 127;
			++L;
			if (v <= 16383)
				break sz;
			usz[L - 1] |= 128;
			usz[L] = v >> 14 & 127;
			++L;
			if (v <= 2097151)
				break sz;
			usz[L - 1] |= 128;
			usz[L] = v >> 21 & 127;
			++L;
			if (v <= 268435455)
				break sz;
			usz[L - 1] |= 128;
			usz[L] = v / 256 >>> 21 & 127;
			++L;
			if (v <= 34359738367)
				break sz;
			usz[L - 1] |= 128;
			usz[L] = v / 65536 >>> 21 & 127;
			++L;
			if (v <= 4398046511103)
				break sz;
			usz[L - 1] |= 128;
			usz[L] = v / 16777216 >>> 21 & 127;
			++L;
		}
		return usz[subarray](0, L);
	}
	function parse_packed_varints(buf) {
		var ptr = { l: 0 };
		var out = [];
		while (ptr.l < buf.length)
			out.push(parse_varint49(buf, ptr));
		return out;
	}
	function write_packed_varints(nums) {
		return u8concat(nums.map(function (x) {
			return write_varint49(x);
		}));
	}
	function varint_to_i32(buf) {
		var l = 0, i32 = buf[l] & 127;
		if (buf[l++] < 128)
			return i32;
		i32 |= (buf[l] & 127) << 7;
		if (buf[l++] < 128)
			return i32;
		i32 |= (buf[l] & 127) << 14;
		if (buf[l++] < 128)
			return i32;
		i32 |= (buf[l] & 127) << 21;
		if (buf[l++] < 128)
			return i32;
		i32 |= (buf[l] & 15) << 28;
		return i32;
	}
	function varint_to_u64(buf) {
		var l = 0, lo = buf[l] & 127, hi = 0;
		varint:
		if (buf[l++] >= 128) {
			lo |= (buf[l] & 127) << 7;
			if (buf[l++] < 128)
				break varint;
			lo |= (buf[l] & 127) << 14;
			if (buf[l++] < 128)
				break varint;
			lo |= (buf[l] & 127) << 21;
			if (buf[l++] < 128)
				break varint;
			lo |= (buf[l] & 127) << 28;
			hi = buf[l] >> 4 & 7;
			if (buf[l++] < 128)
				break varint;
			hi |= (buf[l] & 127) << 3;
			if (buf[l++] < 128)
				break varint;
			hi |= (buf[l] & 127) << 10;
			if (buf[l++] < 128)
				break varint;
			hi |= (buf[l] & 127) << 17;
			if (buf[l++] < 128)
				break varint;
			hi |= (buf[l] & 127) << 24;
			if (buf[l++] < 128)
				break varint;
			hi |= (buf[l] & 127) << 31;
		}
		return [lo >>> 0, hi >>> 0];
	}
	function parse_shallow(buf) {
		var out = [], ptr = { l: 0 };
		while (ptr.l < buf.length) {
			var off = ptr.l;
			var num = parse_varint49(buf, ptr);
			var type = num & 7;
			num = num / 8 | 0;
			var data;
			var l = ptr.l;
			switch (type) {
				case 0:
					{
						while (buf[l++] >= 128)
							;
						data = buf[subarray](ptr.l, l);
						ptr.l = l;
					}
					break;
				case 1:
					{
						data = buf[subarray](l, l + 8);
						ptr.l = l + 8;
					}
					break;
				case 2:
					{
						var len = parse_varint49(buf, ptr);
						data = buf[subarray](ptr.l, ptr.l + len);
						ptr.l += len;
					}
					break;
				case 5:
					{
						data = buf[subarray](l, l + 4);
						ptr.l = l + 4;
					}
					break;
				default:
					throw new Error("PB Type ".concat(type, " for Field ").concat(num, " at offset ").concat(off));
			}
			var v = { data: data, type: type };
			if (out[num] == null)
				out[num] = [];
			out[num].push(v);
		}
		return out;
	}
	function write_shallow(proto) {
		var out = [];
		proto.forEach(function (field, idx) {
			if (idx == 0)
				return;
			field.forEach(function (item) {
				if (!item.data)
					return;
				out.push(write_varint49(idx * 8 + item.type));
				if (item.type == 2)
					out.push(write_varint49(item.data.length));
				out.push(item.data);
			});
		});
		return u8concat(out);
	}
	function mappa(data, cb) {
		return (data == null ? void 0 : data.map(function (d) {
			return cb(d.data);
		})) || [];
	}
	function parse_iwa_file(buf) {
		var _a;
		var out = [], ptr = { l: 0 };
		while (ptr.l < buf.length) {
			var len = parse_varint49(buf, ptr);
			var ai = parse_shallow(buf[subarray](ptr.l, ptr.l + len));
			ptr.l += len;
			var res = {
				id: varint_to_i32(ai[1][0].data),
				messages: []
			};
			ai[2].forEach(function (b) {
				var mi = parse_shallow(b.data);
				var fl = varint_to_i32(mi[3][0].data);
				res.messages.push({
					meta: mi,
					data: buf[subarray](ptr.l, ptr.l + fl)
				});
				ptr.l += fl;
			});
			if ((_a = ai[3]) == null ? void 0 : _a[0])
				res.merge = varint_to_i32(ai[3][0].data) >>> 0 > 0;
			out.push(res);
		}
		return out;
	}
	function write_iwa_file(ias) {
		var bufs = [];
		ias.forEach(function (ia) {
			var ai = [
				[],
				[{ data: write_varint49(ia.id), type: 0 }],
				[]
			];
			if (ia.merge != null)
				ai[3] = [{ data: write_varint49(+!!ia.merge), type: 0 }];
			var midata = [];
			ia.messages.forEach(function (mi) {
				midata.push(mi.data);
				mi.meta[3] = [{ type: 0, data: write_varint49(mi.data.length) }];
				ai[2].push({ data: write_shallow(mi.meta), type: 2 });
			});
			var aipayload = write_shallow(ai);
			bufs.push(write_varint49(aipayload.length));
			bufs.push(aipayload);
			midata.forEach(function (mid) {
				return bufs.push(mid);
			});
		});
		return u8concat(bufs);
	}
	function parse_snappy_chunk(type, buf) {
		if (type != 0)
			throw new Error("Unexpected Snappy chunk type ".concat(type));
		var ptr = { l: 0 };
		var usz = parse_varint49(buf, ptr);
		var chunks = [];
		var l = ptr.l;
		while (l < buf.length) {
			var tag = buf[l] & 3;
			if (tag == 0) {
				var len = buf[l++] >> 2;
				if (len < 60)
					++len;
				else {
					var c = len - 59;
					len = buf[l];
					if (c > 1)
						len |= buf[l + 1] << 8;
					if (c > 2)
						len |= buf[l + 2] << 16;
					if (c > 3)
						len |= buf[l + 3] << 24;
					len >>>= 0;
					len++;
					l += c;
				}
				chunks.push(buf[subarray](l, l + len));
				l += len;
				continue;
			} else {
				var offset = 0, length = 0;
				if (tag == 1) {
					length = (buf[l] >> 2 & 7) + 4;
					offset = (buf[l++] & 224) << 3;
					offset |= buf[l++];
				} else {
					length = (buf[l++] >> 2) + 1;
					if (tag == 2) {
						offset = buf[l] | buf[l + 1] << 8;
						l += 2;
					} else {
						offset = (buf[l] | buf[l + 1] << 8 | buf[l + 2] << 16 | buf[l + 3] << 24) >>> 0;
						l += 4;
					}
				}
				if (offset == 0)
					throw new Error("Invalid offset 0");
				var j = chunks.length - 1, off = offset;
				while (j >= 0 && off >= chunks[j].length) {
					off -= chunks[j].length;
					--j;
				}
				if (j < 0) {
					if (off == 0)
						off = chunks[j = 0].length;
					else
						throw new Error("Invalid offset beyond length");
				}
				if (length < off)
					chunks.push(chunks[j][subarray](chunks[j].length - off, chunks[j].length - off + length));
				else {
					if (off > 0) {
						chunks.push(chunks[j][subarray](chunks[j].length - off));
						length -= off;
					}
					++j;
					while (length >= chunks[j].length) {
						chunks.push(chunks[j]);
						length -= chunks[j].length;
						++j;
					}
					if (length)
						chunks.push(chunks[j][subarray](0, length));
				}
				if (chunks.length > 25)
					chunks = [u8concat(chunks)];
			}
		}
		var clen = 0;
		for (var u8i = 0; u8i < chunks.length; ++u8i)
			clen += chunks[u8i].length;
		if (clen != usz)
			throw new Error("Unexpected length: ".concat(clen, " != ").concat(usz));
		return chunks;
	}
	function decompress_iwa_file(buf) {
		if (Array.isArray(buf))
			buf = new Uint8Array(buf);
		var out = [];
		var l = 0;
		while (l < buf.length) {
			var t = buf[l++];
			var len = buf[l] | buf[l + 1] << 8 | buf[l + 2] << 16;
			l += 3;
			out.push.apply(out, parse_snappy_chunk(t, buf[subarray](l, l + len)));
			l += len;
		}
		if (l !== buf.length)
			throw new Error("data is not a valid framed stream!");
		return out.length == 1 ? out[0] : u8concat(out);
	}
	function compress_iwa_file(buf) {
		var out = [];
		var l = 0;
		while (l < buf.length) {
			var c = Math.min(buf.length - l, 268435455);
			var frame = new Uint8Array(4);
			out.push(frame);
			var usz = write_varint49(c);
			var L = usz.length;
			out.push(usz);
			if (c <= 60) {
				L++;
				out.push(new Uint8Array([c - 1 << 2]));
			} else if (c <= 256) {
				L += 2;
				out.push(new Uint8Array([240, c - 1 & 255]));
			} else if (c <= 65536) {
				L += 3;
				out.push(new Uint8Array([244, c - 1 & 255, c - 1 >> 8 & 255]));
			} else if (c <= 16777216) {
				L += 4;
				out.push(new Uint8Array([248, c - 1 & 255, c - 1 >> 8 & 255, c - 1 >> 16 & 255]));
			} else if (c <= 4294967296) {
				L += 5;
				out.push(new Uint8Array([252, c - 1 & 255, c - 1 >> 8 & 255, c - 1 >> 16 & 255, c - 1 >>> 24 & 255]));
			}
			out.push(buf[subarray](l, l + c));
			L += c;
			frame[0] = 0;
			frame[1] = L & 255;
			frame[2] = L >> 8 & 255;
			frame[3] = L >> 16 & 255;
			l += c;
		}
		return u8concat(out);
	}
	var numbers_lut_new = function () {
		return { sst: [], rsst: [], ofmt: [], nfmt: [], fmla: [], ferr: [], cmnt: [] };
	};
	function numbers_format_cell(cell, t, flags, ofmt, nfmt) {
		var _a, _b, _c, _d;
		var ctype = t & 255, ver = t >> 8;
		var fmt = ver >= 5 ? nfmt : ofmt;
		dur:
		if (flags & (ver > 4 ? 8 : 4) && cell.t == "n" && ctype == 7) {
			var dstyle = ((_a = fmt[7]) == null ? void 0 : _a[0]) ? varint_to_i32(fmt[7][0].data) : -1;
			if (dstyle == -1)
				break dur;
			var dmin = ((_b = fmt[15]) == null ? void 0 : _b[0]) ? varint_to_i32(fmt[15][0].data) : -1;
			var dmax = ((_c = fmt[16]) == null ? void 0 : _c[0]) ? varint_to_i32(fmt[16][0].data) : -1;
			var auto = ((_d = fmt[40]) == null ? void 0 : _d[0]) ? varint_to_i32(fmt[40][0].data) : -1;
			var d = cell.v, dd = d;
			autodur:
			if (auto) {
				if (d == 0) {
					dmin = dmax = 2;
					break autodur;
				}
				if (d >= 604800)
					dmin = 1;
				else if (d >= 86400)
					dmin = 2;
				else if (d >= 3600)
					dmin = 4;
				else if (d >= 60)
					dmin = 8;
				else if (d >= 1)
					dmin = 16;
				else
					dmin = 32;
				if (Math.floor(d) != d)
					dmax = 32;
				else if (d % 60)
					dmax = 16;
				else if (d % 3600)
					dmax = 8;
				else if (d % 86400)
					dmax = 4;
				else if (d % 604800)
					dmax = 2;
				if (dmax < dmin)
					dmax = dmin;
			}
			if (dmin == -1 || dmax == -1)
				break dur;
			var dstr = [], zstr = [];
			if (dmin == 1) {
				dd = d / 604800;
				if (dmax == 1) {
					zstr.push('d"d"');
				} else {
					dd |= 0;
					d -= 604800 * dd;
				}
				dstr.push(dd + (dstyle == 2 ? " week" + (dd == 1 ? "" : "s") : dstyle == 1 ? "w" : ""));
			}
			if (dmin <= 2 && dmax >= 2) {
				dd = d / 86400;
				if (dmax > 2) {
					dd |= 0;
					d -= 86400 * dd;
				}
				zstr.push('d"d"');
				dstr.push(dd + (dstyle == 2 ? " day" + (dd == 1 ? "" : "s") : dstyle == 1 ? "d" : ""));
			}
			if (dmin <= 4 && dmax >= 4) {
				dd = d / 3600;
				if (dmax > 4) {
					dd |= 0;
					d -= 3600 * dd;
				}
				zstr.push((dmin >= 4 ? "[h]" : "h") + '"h"');
				dstr.push(dd + (dstyle == 2 ? " hour" + (dd == 1 ? "" : "s") : dstyle == 1 ? "h" : ""));
			}
			if (dmin <= 8 && dmax >= 8) {
				dd = d / 60;
				if (dmax > 8) {
					dd |= 0;
					d -= 60 * dd;
				}
				zstr.push((dmin >= 8 ? "[m]" : "m") + '"m"');
				if (dstyle == 0)
					dstr.push((dmin == 8 && dmax == 8 || dd >= 10 ? "" : "0") + dd);
				else
					dstr.push(dd + (dstyle == 2 ? " minute" + (dd == 1 ? "" : "s") : dstyle == 1 ? "m" : ""));
			}
			if (dmin <= 16 && dmax >= 16) {
				dd = d;
				if (dmax > 16) {
					dd |= 0;
					d -= dd;
				}
				zstr.push((dmin >= 16 ? "[s]" : "s") + '"s"');
				if (dstyle == 0)
					dstr.push((dmax == 16 && dmin == 16 || dd >= 10 ? "" : "0") + dd);
				else
					dstr.push(dd + (dstyle == 2 ? " second" + (dd == 1 ? "" : "s") : dstyle == 1 ? "s" : ""));
			}
			if (dmax >= 32) {
				dd = Math.round(1e3 * d);
				if (dmin < 32)
					zstr.push('.000"ms"');
				if (dstyle == 0)
					dstr.push((dd >= 100 ? "" : dd >= 10 ? "0" : "00") + dd);
				else
					dstr.push(dd + (dstyle == 2 ? " millisecond" + (dd == 1 ? "" : "s") : dstyle == 1 ? "ms" : ""));
			}
			cell.w = dstr.join(dstyle == 0 ? ":" : " ");
			cell.z = zstr.join(dstyle == 0 ? '":"' : " ");
			if (dstyle == 0)
				cell.w = cell.w.replace(/:(\d\d\d)$/, ".$1");
		}
	}
	function parse_old_storage(buf, lut, v, opts) {
		var dv = u8_to_dataview(buf);
		var flags = dv.getUint32(4, true);
		var ridx = -1, sidx = -1, zidx = -1, ieee = NaN, dc = 0, dt = new Date(Date.UTC(2001, 0, 1));
		var doff = v > 1 ? 12 : 8;
		if (flags & 2) {
			zidx = dv.getUint32(doff, true);
			doff += 4;
		}
		doff += popcnt(flags & (v > 1 ? 3468 : 396)) * 4;
		if (flags & 512) {
			ridx = dv.getUint32(doff, true);
			doff += 4;
		}
		doff += popcnt(flags & (v > 1 ? 12288 : 4096)) * 4;
		if (flags & 16) {
			sidx = dv.getUint32(doff, true);
			doff += 4;
		}
		if (flags & 32) {
			ieee = dv.getFloat64(doff, true);
			doff += 8;
		}
		if (flags & 64) {
			dt.setTime(dt.getTime() + (dc = dv.getFloat64(doff, true)) * 1e3);
			doff += 8;
		}
		if (v > 1) {
			flags = dv.getUint32(8, true) >>> 16;
			if (flags & 255) {
				if (zidx == -1)
					zidx = dv.getUint32(doff, true);
				doff += 4;
			}
		}
		var ret;
		var t = buf[v >= 4 ? 1 : 2];
		switch (t) {
			case 0:
				return void 0;
			case 2:
				ret = { t: "n", v: ieee };
				break;
			case 3:
				ret = { t: "s", v: lut.sst[sidx] };
				break;
			case 5:
				{
					if (opts == null ? void 0 : opts.cellDates)
						ret = { t: "d", v: dt };
					else
						ret = { t: "n", v: dc / 86400 + 35430, z: table_fmt[14] };
				}
				break;
			case 6:
				ret = { t: "b", v: ieee > 0 };
				break;
			case 7:
				ret = { t: "n", v: ieee };
				break;
			case 8:
				ret = { t: "e", v: 0 };
				break;
			case 9:
				{
					if (ridx > -1) {
						var rts = lut.rsst[ridx];
						ret = { t: "s", v: rts.v };
						if (rts.l)
							ret.l = { Target: rts.l };
					} else
						throw new Error("Unsupported cell type ".concat(buf[subarray](0, 4)));
				}
				break;
			default:
				throw new Error("Unsupported cell type ".concat(buf[subarray](0, 4)));
		}
		if (zidx > -1)
			numbers_format_cell(ret, t | v << 8, flags, lut.ofmt[zidx], lut.nfmt[zidx]);
		if (t == 7)
			ret.v /= 86400;
		return ret;
	}
	function parse_new_storage(buf, lut, opts) {
		var dv = u8_to_dataview(buf);
		var flags = dv.getUint32(4, true);
		var fields = dv.getUint32(8, true);
		var doff = 12;
		var ridx = -1, sidx = -1, zidx = -1, d128 = NaN, ieee = NaN, dc = 0, dt = new Date(Date.UTC(2001, 0, 1)), eidx = -1, fidx = -1;
		if (fields & 1) {
			d128 = readDecimal128LE(buf, doff);
			doff += 16;
		}
		if (fields & 2) {
			ieee = dv.getFloat64(doff, true);
			doff += 8;
		}
		if (fields & 4) {
			dt.setTime(dt.getTime() + (dc = dv.getFloat64(doff, true)) * 1e3);
			doff += 8;
		}
		if (fields & 8) {
			sidx = dv.getUint32(doff, true);
			doff += 4;
		}
		if (fields & 16) {
			ridx = dv.getUint32(doff, true);
			doff += 4;
		}
		doff += popcnt(fields & 480) * 4;
		if (fields & 512) {
			fidx = dv.getUint32(doff, true);
			doff += 4;
		}
		doff += popcnt(fields & 1024) * 4;
		if (fields & 2048) {
			eidx = dv.getUint32(doff, true);
			doff += 4;
		}
		var ret;
		var t = buf[1];
		switch (t) {
			case 0:
				ret = { t: "z" };
				break;
			case 2:
				ret = { t: "n", v: d128 };
				break;
			case 3:
				ret = { t: "s", v: lut.sst[sidx] };
				break;
			case 5:
				{
					if (opts == null ? void 0 : opts.cellDates)
						ret = { t: "d", v: dt };
					else
						ret = { t: "n", v: dc / 86400 + 35430, z: table_fmt[14] };
				}
				break;
			case 6:
				ret = { t: "b", v: ieee > 0 };
				break;
			case 7:
				ret = { t: "n", v: ieee };
				break;
			case 8:
				ret = { t: "e", v: 0 };
				break;
			case 9:
				{
					if (ridx > -1) {
						var rts = lut.rsst[ridx];
						ret = { t: "s", v: rts.v };
						if (rts.l)
							ret.l = { Target: rts.l };
					} else
						throw new Error("Unsupported cell type ".concat(buf[1], " : ").concat(fields & 31, " : ").concat(buf[subarray](0, 4)));
				}
				break;
			case 10:
				ret = { t: "n", v: d128 };
				break;
			default:
				throw new Error("Unsupported cell type ".concat(buf[1], " : ").concat(fields & 31, " : ").concat(buf[subarray](0, 4)));
		}
		doff += popcnt(fields & 4096) * 4;
		if (fields & 516096) {
			if (zidx == -1)
				zidx = dv.getUint32(doff, true);
			doff += 4;
		}
		if (fields & 524288) {
			var cmntidx = dv.getUint32(doff, true);
			doff += 4;
			if (lut.cmnt[cmntidx])
				ret.c = iwa_to_s5s_comment(lut.cmnt[cmntidx]);
		}
		if (zidx > -1)
			numbers_format_cell(ret, t | 5 << 8, fields >> 13, lut.ofmt[zidx], lut.nfmt[zidx]);
		if (t == 7)
			ret.v /= 86400;
		return ret;
	}
	function write_new_storage(cell, lut) {
		var out = new Uint8Array(32), dv = u8_to_dataview(out), l = 12, fields = 0;
		out[0] = 5;
		switch (cell.t) {
			case "n":
				if (cell.z && fmt_is_date(cell.z)) {
					out[1] = 5;
					dv.setFloat64(l, (numdate(cell.v + 1462).getTime() - Date.UTC(2001, 0, 1)) / 1e3, true);
					fields |= 4;
					l += 8;
					break;
				} else {
					out[1] = 2;
					writeDecimal128LE(out, l, cell.v);
					fields |= 1;
					l += 16;
				}
				break;
			case "b":
				out[1] = 6;
				dv.setFloat64(l, cell.v ? 1 : 0, true);
				fields |= 2;
				l += 8;
				break;
			case "s":
				{
					var s = cell.v == null ? "" : String(cell.v);
					if (cell.l) {
						var irsst = lut.rsst.findIndex(function (v) {
							var _a;
							return v.v == s && v.l == ((_a = cell.l) == null ? void 0 : _a.Target);
						});
						if (irsst == -1)
							lut.rsst[irsst = lut.rsst.length] = { v: s, l: cell.l.Target };
						out[1] = 9;
						dv.setUint32(l, irsst, true);
						fields |= 16;
						l += 4;
					} else {
						var isst = lut.sst.indexOf(s);
						if (isst == -1)
							lut.sst[isst = lut.sst.length] = s;
						out[1] = 3;
						dv.setUint32(l, isst, true);
						fields |= 8;
						l += 4;
					}
				}
				break;
			case "d":
				out[1] = 5;
				dv.setFloat64(l, (cell.v.getTime() - Date.UTC(2001, 0, 1)) / 1e3, true);
				fields |= 4;
				l += 8;
				break;
			case "z":
				out[1] = 0;
				break;
			default:
				throw "unsupported cell type " + cell.t;
		}
		if (cell.c) {
			lut.cmnt.push(s5s_to_iwa_comment(cell.c));
			dv.setUint32(l, lut.cmnt.length - 1, true);
			fields |= 524288;
			l += 4;
		}
		dv.setUint32(8, fields, true);
		return out[subarray](0, l);
	}
	function write_old_storage(cell, lut) {
		var out = new Uint8Array(32), dv = u8_to_dataview(out), l = 12, fields = 0, s = "";
		out[0] = 4;
		switch (cell.t) {
			case "n":
				break;
			case "b":
				break;
			case "s":
				{
					s = cell.v == null ? "" : String(cell.v);
					if (cell.l) {
						var irsst = lut.rsst.findIndex(function (v) {
							var _a;
							return v.v == s && v.l == ((_a = cell.l) == null ? void 0 : _a.Target);
						});
						if (irsst == -1)
							lut.rsst[irsst = lut.rsst.length] = { v: s, l: cell.l.Target };
						out[1] = 9;
						dv.setUint32(l, irsst, true);
						fields |= 512;
						l += 4;
					} else {
					}
				}
				break;
			case "d":
				break;
			case "e":
				break;
			case "z":
				break;
			default:
				throw "unsupported cell type " + cell.t;
		}
		if (cell.c) {
			dv.setUint32(l, lut.cmnt.length - 1, true);
			fields |= 4096;
			l += 4;
		}
		switch (cell.t) {
			case "n":
				out[1] = 2;
				dv.setFloat64(l, cell.v, true);
				fields |= 32;
				l += 8;
				break;
			case "b":
				out[1] = 6;
				dv.setFloat64(l, cell.v ? 1 : 0, true);
				fields |= 32;
				l += 8;
				break;
			case "s":
				{
					s = cell.v == null ? "" : String(cell.v);
					if (cell.l) {
					} else {
						var isst = lut.sst.indexOf(s);
						if (isst == -1)
							lut.sst[isst = lut.sst.length] = s;
						out[1] = 3;
						dv.setUint32(l, isst, true);
						fields |= 16;
						l += 4;
					}
				}
				break;
			case "d":
				out[1] = 5;
				dv.setFloat64(l, (cell.v.getTime() - Date.UTC(2001, 0, 1)) / 1e3, true);
				fields |= 64;
				l += 8;
				break;
			case "z":
				out[1] = 0;
				break;
			default:
				throw "unsupported cell type " + cell.t;
		}
		dv.setUint32(8, fields, true);
		return out[subarray](0, l);
	}
	function parse_cell_storage(buf, lut, opts) {
		switch (buf[0]) {
			case 0:
			case 1:
			case 2:
			case 3:
			case 4:
				return parse_old_storage(buf, lut, buf[0], opts);
			case 5:
				return parse_new_storage(buf, lut, opts);
			default:
				throw new Error("Unsupported payload version ".concat(buf[0]));
		}
	}
	function parse_TSP_Reference(buf) {
		var pb = parse_shallow(buf);
		return varint_to_i32(pb[1][0].data);
	}
	function write_TSP_Reference(idx) {
		return write_shallow([
			[],
			[{ type: 0, data: write_varint49(idx) }]
		]);
	}
	function numbers_add_oref(iwa, ref) {
		var _a;
		var orefs = ((_a = iwa.messages[0].meta[5]) == null ? void 0 : _a[0]) ? parse_packed_varints(iwa.messages[0].meta[5][0].data) : [];
		var orefidx = orefs.indexOf(ref);
		if (orefidx == -1) {
			orefs.push(ref);
			iwa.messages[0].meta[5] = [{ type: 2, data: write_packed_varints(orefs) }];
		}
	}
	function numbers_del_oref(iwa, ref) {
		var _a;
		var orefs = ((_a = iwa.messages[0].meta[5]) == null ? void 0 : _a[0]) ? parse_packed_varints(iwa.messages[0].meta[5][0].data) : [];
		iwa.messages[0].meta[5] = [{
			type: 2, data: write_packed_varints(orefs.filter(function (r) {
				return r != ref;
			}))
		}];
	}
	function parse_TST_TableDataList(M, root) {
		var pb = parse_shallow(root.data);
		var type = varint_to_i32(pb[1][0].data);
		var entries = pb[3];
		var data = [];
		(entries || []).forEach(function (entry) {
			var _a, _b;
			var le = parse_shallow(entry.data);
			if (!le[1])
				return;
			var key = varint_to_i32(le[1][0].data) >>> 0;
			switch (type) {
				case 1:
					data[key] = u8str(le[3][0].data);
					break;
				case 8:
					{
						var rt = M[parse_TSP_Reference(le[9][0].data)][0];
						var rtp = parse_shallow(rt.data);
						var rtpref = M[parse_TSP_Reference(rtp[1][0].data)][0];
						var mtype = varint_to_i32(rtpref.meta[1][0].data);
						if (mtype != 2001)
							throw new Error("2000 unexpected reference to ".concat(mtype));
						var tswpsa = parse_shallow(rtpref.data);
						var richtext = {
							v: tswpsa[3].map(function (x) {
								return u8str(x.data);
							}).join("")
						};
						data[key] = richtext;
						sfields:
						if ((_a = tswpsa == null ? void 0 : tswpsa[11]) == null ? void 0 : _a[0]) {
							var smartfields = (_b = parse_shallow(tswpsa[11][0].data)) == null ? void 0 : _b[1];
							if (!smartfields)
								break sfields;
							smartfields.forEach(function (sf) {
								var _a2, _b2, _c;
								var attr = parse_shallow(sf.data);
								if ((_a2 = attr[2]) == null ? void 0 : _a2[0]) {
									var obj = M[parse_TSP_Reference((_b2 = attr[2]) == null ? void 0 : _b2[0].data)][0];
									var objtype = varint_to_i32(obj.meta[1][0].data);
									switch (objtype) {
										case 2032:
											var hlink = parse_shallow(obj.data);
											if (((_c = hlink == null ? void 0 : hlink[2]) == null ? void 0 : _c[0]) && !richtext.l)
												richtext.l = u8str(hlink[2][0].data);
											break;
										case 2039:
											break;
										default:
											console.log("unrecognized ObjectAttribute type ".concat(objtype));
									}
								}
							});
						}
					}
					break;
				case 2:
					data[key] = parse_shallow(le[6][0].data);
					break;
				case 3:
					data[key] = parse_shallow(le[5][0].data);
					break;
				case 10:
					{
						var cs = M[parse_TSP_Reference(le[10][0].data)][0];
						data[key] = parse_TSD_CommentStorageArchive(M, cs.data);
					}
					break;
				default:
					throw type;
			}
		});
		return data;
	}
	function parse_TST_TileRowInfo(u8, type) {
		var _a, _b, _c, _d, _e, _f, _g, _h, _i, _j, _k, _l, _m, _n;
		var pb = parse_shallow(u8);
		var R = varint_to_i32(pb[1][0].data) >>> 0;
		var cnt = varint_to_i32(pb[2][0].data) >>> 0;
		var wide_offsets = ((_b = (_a = pb[8]) == null ? void 0 : _a[0]) == null ? void 0 : _b.data) && varint_to_i32(pb[8][0].data) > 0 || false;
		var used_storage_u8, used_storage;
		if (((_d = (_c = pb[7]) == null ? void 0 : _c[0]) == null ? void 0 : _d.data) && type != 0) {
			used_storage_u8 = (_f = (_e = pb[7]) == null ? void 0 : _e[0]) == null ? void 0 : _f.data;
			used_storage = (_h = (_g = pb[6]) == null ? void 0 : _g[0]) == null ? void 0 : _h.data;
		} else if (((_j = (_i = pb[4]) == null ? void 0 : _i[0]) == null ? void 0 : _j.data) && type != 1) {
			used_storage_u8 = (_l = (_k = pb[4]) == null ? void 0 : _k[0]) == null ? void 0 : _l.data;
			used_storage = (_n = (_m = pb[3]) == null ? void 0 : _m[0]) == null ? void 0 : _n.data;
		} else
			throw "NUMBERS Tile missing ".concat(type, " cell storage");
		var width = wide_offsets ? 4 : 1;
		var used_storage_offsets = u8_to_dataview(used_storage_u8);
		var offsets = [];
		for (var C = 0; C < used_storage_u8.length / 2; ++C) {
			var off = used_storage_offsets.getUint16(C * 2, true);
			if (off < 65535)
				offsets.push([C, off]);
		}
		if (offsets.length != cnt)
			throw "Expected ".concat(cnt, " cells, found ").concat(offsets.length);
		var cells = [];
		for (C = 0; C < offsets.length - 1; ++C)
			cells[offsets[C][0]] = used_storage[subarray](offsets[C][1] * width, offsets[C + 1][1] * width);
		if (offsets.length >= 1)
			cells[offsets[offsets.length - 1][0]] = used_storage[subarray](offsets[offsets.length - 1][1] * width);
		return { R: R, cells: cells };
	}
	function parse_TST_Tile(M, root) {
		var _a;
		var pb = parse_shallow(root.data);
		var storage = -1;
		if ((_a = pb == null ? void 0 : pb[7]) == null ? void 0 : _a[0]) {
			if (varint_to_i32(pb[7][0].data) >>> 0)
				storage = 1;
			else
				storage = 0;
		}
		var ri = mappa(pb[5], function (u8) {
			return parse_TST_TileRowInfo(u8, storage);
		});
		return {
			nrows: varint_to_i32(pb[4][0].data) >>> 0,
			data: ri.reduce(function (acc, x) {
				if (!acc[x.R])
					acc[x.R] = [];
				x.cells.forEach(function (cell, C) {
					if (acc[x.R][C])
						throw new Error("Duplicate cell r=".concat(x.R, " c=").concat(C));
					acc[x.R][C] = cell;
				});
				return acc;
			}, [])
		};
	}
	function parse_TSD_CommentStorageArchive(M, data) {
		var _a, _b, _c, _d, _e, _f, _g, _h, _i, _j;
		var out = { t: "", a: "" };
		var csp = parse_shallow(data);
		if ((_b = (_a = csp == null ? void 0 : csp[1]) == null ? void 0 : _a[0]) == null ? void 0 : _b.data)
			out.t = u8str((_d = (_c = csp == null ? void 0 : csp[1]) == null ? void 0 : _c[0]) == null ? void 0 : _d.data) || "";
		if ((_f = (_e = csp == null ? void 0 : csp[3]) == null ? void 0 : _e[0]) == null ? void 0 : _f.data) {
			var as = M[parse_TSP_Reference((_h = (_g = csp == null ? void 0 : csp[3]) == null ? void 0 : _g[0]) == null ? void 0 : _h.data)][0];
			var asp = parse_shallow(as.data);
			if ((_j = (_i = asp[1]) == null ? void 0 : _i[0]) == null ? void 0 : _j.data)
				out.a = u8str(asp[1][0].data);
		}
		if (csp == null ? void 0 : csp[4]) {
			out.replies = [];
			csp[4].forEach(function (pi) {
				var cs = M[parse_TSP_Reference(pi.data)][0];
				out.replies.push(parse_TSD_CommentStorageArchive(M, cs.data));
			});
		}
		return out;
	}
	function iwa_to_s5s_comment(iwa) {
		var out = [];
		out.push({ t: iwa.t || "", a: iwa.a, T: iwa.replies && iwa.replies.length > 0 });
		if (iwa.replies)
			iwa.replies.forEach(function (reply) {
				out.push({ t: reply.t || "", a: reply.a, T: true });
			});
		return out;
	}
	function s5s_to_iwa_comment(s5s) {
		var out = { a: "", t: "", replies: [] };
		for (var i = 0; i < s5s.length; ++i) {
			if (i == 0) {
				out.a = s5s[i].a;
				out.t = s5s[i].t;
			} else {
				out.replies.push({ a: s5s[i].a, t: s5s[i].t });
			}
		}
		return out;
	}
	function parse_TST_TableModelArchive(M, root, ws, opts) {
		var _a, _b, _c, _d, _e, _f, _g, _h, _i, _j, _k, _l, _m, _n;
		var pb = parse_shallow(root.data);
		var range = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
		range.e.r = (varint_to_i32(pb[6][0].data) >>> 0) - 1;
		if (range.e.r < 0)
			throw new Error("Invalid row varint ".concat(pb[6][0].data));
		range.e.c = (varint_to_i32(pb[7][0].data) >>> 0) - 1;
		if (range.e.c < 0)
			throw new Error("Invalid col varint ".concat(pb[7][0].data));
		ws["!ref"] = encode_range(range);
		var dense = ws["!data"] != null, dws = ws;
		var store = parse_shallow(pb[4][0].data);
		var lut = numbers_lut_new();
		if ((_a = store[4]) == null ? void 0 : _a[0])
			lut.sst = parse_TST_TableDataList(M, M[parse_TSP_Reference(store[4][0].data)][0]);
		if ((_b = store[6]) == null ? void 0 : _b[0])
			lut.fmla = parse_TST_TableDataList(M, M[parse_TSP_Reference(store[6][0].data)][0]);
		if ((_c = store[11]) == null ? void 0 : _c[0])
			lut.ofmt = parse_TST_TableDataList(M, M[parse_TSP_Reference(store[11][0].data)][0]);
		if ((_d = store[12]) == null ? void 0 : _d[0])
			lut.ferr = parse_TST_TableDataList(M, M[parse_TSP_Reference(store[12][0].data)][0]);
		if ((_e = store[17]) == null ? void 0 : _e[0])
			lut.rsst = parse_TST_TableDataList(M, M[parse_TSP_Reference(store[17][0].data)][0]);
		if ((_f = store[19]) == null ? void 0 : _f[0])
			lut.cmnt = parse_TST_TableDataList(M, M[parse_TSP_Reference(store[19][0].data)][0]);
		if ((_g = store[22]) == null ? void 0 : _g[0])
			lut.nfmt = parse_TST_TableDataList(M, M[parse_TSP_Reference(store[22][0].data)][0]);
		var tile = parse_shallow(store[3][0].data);
		var _R = 0;
		if (!((_h = store[9]) == null ? void 0 : _h[0]))
			throw "NUMBERS file missing row tree";
		var rtt = parse_shallow(store[9][0].data)[1].map(function (p) {
			return parse_shallow(p.data);
		});
		rtt.forEach(function (kv) {
			_R = varint_to_i32(kv[1][0].data);
			var tidx = varint_to_i32(kv[2][0].data);
			var t = tile[1][tidx];
			if (!t)
				throw "NUMBERS missing tile " + tidx;
			var tl = parse_shallow(t.data);
			var ref2 = M[parse_TSP_Reference(tl[2][0].data)][0];
			var mtype2 = varint_to_i32(ref2.meta[1][0].data);
			if (mtype2 != 6002)
				throw new Error("6001 unexpected reference to ".concat(mtype2));
			var _tile = parse_TST_Tile(M, ref2);
			_tile.data.forEach(function (row, R) {
				row.forEach(function (buf, C) {
					var res = parse_cell_storage(buf, lut, opts);
					if (res) {
						if (dense) {
							if (!dws["!data"][_R + R])
								dws["!data"][_R + R] = [];
							dws["!data"][_R + R][C] = res;
						} else {
							ws[encode_col(C) + encode_row(_R + R)] = res;
						}
					}
				});
			});
			_R += _tile.nrows;
		});
		if ((_i = store[13]) == null ? void 0 : _i[0]) {
			var ref = M[parse_TSP_Reference(store[13][0].data)][0];
			var mtype = varint_to_i32(ref.meta[1][0].data);
			if (mtype != 6144)
				throw new Error("Expected merge type 6144, found ".concat(mtype));
			ws["!merges"] = (_j = parse_shallow(ref.data)) == null ? void 0 : _j[1].map(function (pi) {
				var merge = parse_shallow(pi.data);
				var origin = u8_to_dataview(parse_shallow(merge[1][0].data)[1][0].data), size = u8_to_dataview(parse_shallow(merge[2][0].data)[1][0].data);
				return {
					s: { r: origin.getUint16(0, true), c: origin.getUint16(2, true) },
					e: {
						r: origin.getUint16(0, true) + size.getUint16(0, true) - 1,
						c: origin.getUint16(2, true) + size.getUint16(2, true) - 1
					}
				};
			});
		}
		if (!((_k = ws["!merges"]) == null ? void 0 : _k.length) && ((_l = pb[47]) == null ? void 0 : _l[0])) {
			var merge_owner = parse_shallow(pb[47][0].data);
			if ((_m = merge_owner[2]) == null ? void 0 : _m[0]) {
				var formula_store = parse_shallow(merge_owner[2][0].data);
				if ((_n = formula_store[3]) == null ? void 0 : _n[0]) {
					ws["!merges"] = mappa(formula_store[3], function (u) {
						var _a2, _b2, _c2, _d2, _e2;
						var formula_pair = parse_shallow(u);
						var formula = parse_shallow(formula_pair[2][0].data);
						var AST_node_array = parse_shallow(formula[1][0].data);
						if (!((_a2 = AST_node_array[1]) == null ? void 0 : _a2[0]))
							return;
						var AST_node0 = parse_shallow(AST_node_array[1][0].data);
						var AST_node_type = varint_to_i32(AST_node0[1][0].data);
						if (AST_node_type != 67)
							return;
						var AST_colon_tract = parse_shallow(AST_node0[40][0].data);
						if (!((_b2 = AST_colon_tract[3]) == null ? void 0 : _b2[0]) || !((_c2 = AST_colon_tract[4]) == null ? void 0 : _c2[0]))
							return;
						var colrange = parse_shallow(AST_colon_tract[3][0].data);
						var rowrange = parse_shallow(AST_colon_tract[4][0].data);
						var c = varint_to_i32(colrange[1][0].data);
						var C = ((_d2 = colrange[2]) == null ? void 0 : _d2[0]) ? varint_to_i32(colrange[2][0].data) : c;
						var r = varint_to_i32(rowrange[1][0].data);
						var R = ((_e2 = rowrange[2]) == null ? void 0 : _e2[0]) ? varint_to_i32(rowrange[2][0].data) : r;
						return { s: { r: r, c: c }, e: { r: R, c: C } };
					}).filter(function (x) {
						return x != null;
					});
				}
			}
		}
	}
	function parse_TST_TableInfoArchive(M, root, opts) {
		var pb = parse_shallow(root.data);
		var out = { "!ref": "A1" };
		if (opts == null ? void 0 : opts.dense)
			out["!data"] = [];
		var tableref = M[parse_TSP_Reference(pb[2][0].data)];
		var mtype = varint_to_i32(tableref[0].meta[1][0].data);
		if (mtype != 6001)
			throw new Error("6000 unexpected reference to ".concat(mtype));
		parse_TST_TableModelArchive(M, tableref[0], out, opts);
		return out;
	}
	function parse_TN_SheetArchive(M, root, opts) {
		var _a;
		var pb = parse_shallow(root.data);
		var out = {
			name: ((_a = pb[1]) == null ? void 0 : _a[0]) ? u8str(pb[1][0].data) : "",
			sheets: []
		};
		var shapeoffs = mappa(pb[2], parse_TSP_Reference);
		shapeoffs.forEach(function (off) {
			M[off].forEach(function (m) {
				var mtype = varint_to_i32(m.meta[1][0].data);
				if (mtype == 6e3)
					out.sheets.push(parse_TST_TableInfoArchive(M, m, opts));
			});
		});
		return out;
	}
	function parse_TN_DocumentArchive(M, root, opts) {
		var _a;
		var out = book_new();
		out.Workbook = { WBProps: { date1904: true } };
		var pb = parse_shallow(root.data);
		if ((_a = pb[2]) == null ? void 0 : _a[0])
			throw new Error("Keynote presentations are not supported");
		var sheetoffs = mappa(pb[1], parse_TSP_Reference);
		sheetoffs.forEach(function (off) {
			M[off].forEach(function (m) {
				var mtype = varint_to_i32(m.meta[1][0].data);
				if (mtype == 2) {
					var root2 = parse_TN_SheetArchive(M, m, opts);
					root2.sheets.forEach(function (sheet, idx) {
						book_append_sheet(out, sheet, idx == 0 ? root2.name : root2.name + "_" + idx, true);
					});
				}
			});
		});
		if (out.SheetNames.length == 0)
			throw new Error("Empty NUMBERS file");
		out.bookType = "numbers";
		return out;
	}
	function parse_numbers_iwa(cfb, opts) {
		var _a, _b, _c, _d, _e, _f, _g;
		var M = {}, indices = [];
		cfb.FullPaths.forEach(function (p) {
			if (p.match(/\.iwpv2/))
				throw new Error("Unsupported password protection");
		});
		cfb.FileIndex.forEach(function (s) {
			if (!s.name.match(/\.iwa$/))
				return;
			if (s.content[0] != 0)
				return;
			var o;
			try {
				o = decompress_iwa_file(s.content);
			} catch (e) {
				return console.log("?? " + s.content.length + " " + (e.message || e));
			}
			var packets;
			try {
				packets = parse_iwa_file(o);
			} catch (e) {
				return console.log("## " + (e.message || e));
			}
			packets.forEach(function (packet) {
				M[packet.id] = packet.messages;
				indices.push(packet.id);
			});
		});
		if (!indices.length)
			throw new Error("File has no messages");
		if (((_c = (_b = (_a = M == null ? void 0 : M[1]) == null ? void 0 : _a[0].meta) == null ? void 0 : _b[1]) == null ? void 0 : _c[0].data) && varint_to_i32(M[1][0].meta[1][0].data) == 1e4)
			throw new Error("Pages documents are not supported");
		var docroot = ((_g = (_f = (_e = (_d = M == null ? void 0 : M[1]) == null ? void 0 : _d[0]) == null ? void 0 : _e.meta) == null ? void 0 : _f[1]) == null ? void 0 : _g[0].data) && varint_to_i32(M[1][0].meta[1][0].data) == 1 && M[1][0];
		if (!docroot)
			indices.forEach(function (idx) {
				M[idx].forEach(function (iwam) {
					var mtype = varint_to_i32(iwam.meta[1][0].data) >>> 0;
					if (mtype == 1) {
						if (!docroot)
							docroot = iwam;
						else
							throw new Error("Document has multiple roots");
					}
				});
			});
		if (!docroot)
			throw new Error("Cannot find Document root");
		return parse_TN_DocumentArchive(M, docroot, opts);
	}
	function write_TST_TileRowInfo(data, lut, wide) {
		var _a, _b, _c;
		var tri = [
			[],
			[{ type: 0, data: write_varint49(0) }],
			[{ type: 0, data: write_varint49(0) }],
			[{ type: 2, data: new Uint8Array([]) }],
			[{
				type: 2, data: new Uint8Array(Array.from({ length: 510 }, function () {
					return 255;
				}))
			}],
			[{ type: 0, data: write_varint49(5) }],
			[{ type: 2, data: new Uint8Array([]) }],
			[{
				type: 2, data: new Uint8Array(Array.from({ length: 510 }, function () {
					return 255;
				}))
			}],
			[{ type: 0, data: write_varint49(1) }]
		];
		if (!((_a = tri[6]) == null ? void 0 : _a[0]) || !((_b = tri[7]) == null ? void 0 : _b[0]))
			throw "Mutation only works on post-BNC storages!";
		var cnt = 0;
		if (tri[7][0].data.length < 2 * data.length) {
			var new_7 = new Uint8Array(2 * data.length);
			new_7.set(tri[7][0].data);
			tri[7][0].data = new_7;
		}
		if (tri[4][0].data.length < 2 * data.length) {
			var new_4 = new Uint8Array(2 * data.length);
			new_4.set(tri[4][0].data);
			tri[4][0].data = new_4;
		}
		var dv = u8_to_dataview(tri[7][0].data), last_offset = 0, cell_storage = [];
		var _dv = u8_to_dataview(tri[4][0].data), _last_offset = 0, _cell_storage = [];
		var width = wide ? 4 : 1;
		for (var C = 0; C < data.length; ++C) {
			if (data[C] == null || data[C].t == "z" && !((_c = data[C].c) == null ? void 0 : _c.length) || data[C].t == "e") {
				dv.setUint16(C * 2, 65535, true);
				_dv.setUint16(C * 2, 65535);
				continue;
			}
			dv.setUint16(C * 2, last_offset / width, true);
			_dv.setUint16(C * 2, _last_offset / width, true);
			var celload, _celload;
			switch (data[C].t) {
				case "d":
					if (data[C].v instanceof Date) {
						celload = write_new_storage(data[C], lut);
						_celload = write_old_storage(data[C], lut);
						break;
					}
					celload = write_new_storage(data[C], lut);
					_celload = write_old_storage(data[C], lut);
					break;
				case "s":
				case "n":
				case "b":
				case "z":
					celload = write_new_storage(data[C], lut);
					_celload = write_old_storage(data[C], lut);
					break;
				default:
					throw new Error("Unsupported value " + data[C]);
			}
			cell_storage.push(celload);
			last_offset += celload.length;
			{
				_cell_storage.push(_celload);
				_last_offset += _celload.length;
			}
			++cnt;
		}
		tri[2][0].data = write_varint49(cnt);
		tri[5][0].data = write_varint49(5);
		for (; C < tri[7][0].data.length / 2; ++C) {
			dv.setUint16(C * 2, 65535, true);
			_dv.setUint16(C * 2, 65535, true);
		}
		tri[6][0].data = u8concat(cell_storage);
		tri[3][0].data = u8concat(_cell_storage);
		tri[8] = [{ type: 0, data: write_varint49(wide ? 1 : 0) }];
		return tri;
	}
	function write_iwam(type, payload) {
		return {
			meta: [
				[],
				[{ type: 0, data: write_varint49(type) }]
			],
			data: payload
		};
	}
	function get_unique_msgid(dep, dependents) {
		if (!dependents.last)
			dependents.last = 927262;
		for (var i = dependents.last; i < 2e6; ++i)
			if (!dependents[i]) {
				dependents[dependents.last = i] = dep;
				return i;
			}
		throw new Error("Too many messages");
	}
	function build_numbers_deps(cfb) {
		var dependents = {};
		var indices = [];
		cfb.FileIndex.map(function (fi, idx) {
			return [fi, cfb.FullPaths[idx]];
		}).forEach(function (row) {
			var fi = row[0], fp = row[1];
			if (fi.type != 2)
				return;
			if (!fi.name.match(/\.iwa/))
				return;
			if (fi.content[0] != 0)
				return;
			parse_iwa_file(decompress_iwa_file(fi.content)).forEach(function (packet) {
				indices.push(packet.id);
				dependents[packet.id] = { deps: [], location: fp, type: varint_to_i32(packet.messages[0].meta[1][0].data) };
			});
		});
		cfb.FileIndex.forEach(function (fi) {
			if (!fi.name.match(/\.iwa/))
				return;
			if (fi.content[0] != 0)
				return;
			parse_iwa_file(decompress_iwa_file(fi.content)).forEach(function (ia) {
				ia.messages.forEach(function (mess) {
					[5, 6].forEach(function (f) {
						if (!mess.meta[f])
							return;
						mess.meta[f].forEach(function (x) {
							dependents[ia.id].deps.push(varint_to_i32(x.data));
						});
					});
				});
			});
		});
		return dependents;
	}
	function write_TSP_Color_RGB(r, g, b) {
		return write_shallow([
			[],
			[{ type: 0, data: write_varint49(1) }],
			[],
			[{ type: 5, data: new Uint8Array(Float32Array.from([r / 255]).buffer) }],
			[{ type: 5, data: new Uint8Array(Float32Array.from([g / 255]).buffer) }],
			[{ type: 5, data: new Uint8Array(Float32Array.from([b / 255]).buffer) }],
			[{ type: 5, data: new Uint8Array(Float32Array.from([1]).buffer) }],
			[],
			[],
			[],
			[],
			[],
			[{ type: 0, data: write_varint49(1) }]
		]);
	}
	function get_author_color(n) {
		switch (n) {
			case 0:
				return write_TSP_Color_RGB(99, 222, 171);
			case 1:
				return write_TSP_Color_RGB(162, 197, 240);
			case 2:
				return write_TSP_Color_RGB(255, 189, 189);
		}
		return write_TSP_Color_RGB(Math.random() * 255, Math.random() * 255, Math.random() * 255);
	}
	function write_numbers_iwa(wb, opts) {
		if (!opts || !opts.numbers)
			throw new Error("Must pass a `numbers` option -- check the README");
		var cfb = CFB.read(opts.numbers, { type: "base64" });
		var deps = build_numbers_deps(cfb);
		var docroot = numbers_iwa_find(cfb, deps, 1);
		if (docroot == null)
			throw "Could not find message ".concat(1, " in Numbers template");
		var sheetrefs = mappa(parse_shallow(docroot.messages[0].data)[1], parse_TSP_Reference);
		if (sheetrefs.length > 1)
			throw new Error("Template NUMBERS file must have exactly one sheet");
		wb.SheetNames.forEach(function (name, idx) {
			if (idx >= 1) {
				numbers_add_ws(cfb, deps, idx + 1);
				docroot = numbers_iwa_find(cfb, deps, 1);
				sheetrefs = mappa(parse_shallow(docroot.messages[0].data)[1], parse_TSP_Reference);
			}
			write_numbers_ws(cfb, deps, wb.Sheets[name], name, idx, sheetrefs[idx]);
		});
		return cfb;
	}
	function numbers_iwa_doit(cfb, deps, id, cb) {
		var entry = CFB.find(cfb, deps[id].location);
		if (!entry)
			throw "Could not find ".concat(deps[id].location, " in Numbers template");
		var x = parse_iwa_file(decompress_iwa_file(entry.content));
		var ainfo = x.find(function (packet) {
			return packet.id == id;
		});
		cb(ainfo, x);
		entry.content = compress_iwa_file(write_iwa_file(x));
		entry.size = entry.content.length;
	}
	function numbers_iwa_find(cfb, deps, id) {
		var entry = CFB.find(cfb, deps[id].location);
		if (!entry)
			throw "Could not find ".concat(deps[id].location, " in Numbers template");
		var x = parse_iwa_file(decompress_iwa_file(entry.content));
		var ainfo = x.find(function (packet) {
			return packet.id == id;
		});
		return ainfo;
	}
	function numbers_add_meta(mlist, newid, newloc) {
		mlist[3].push({
			type: 2, data: write_shallow([
				[],
				[{ type: 0, data: write_varint49(newid) }],
				[{ type: 2, data: stru8(newloc.replace(/-[\s\S]*$/, "")) }],
				[{ type: 2, data: stru8(newloc) }],
				[{ type: 2, data: new Uint8Array([2, 0, 0]) }],
				[{ type: 2, data: new Uint8Array([2, 0, 0]) }],
				[],
				[],
				[],
				[],
				[{ type: 0, data: write_varint49(0) }],
				[],
				[{ type: 0, data: write_varint49(0) }]
			])
		});
		mlist[1] = [{ type: 0, data: write_varint49(Math.max(newid + 1, varint_to_i32(mlist[1][0].data))) }];
	}
	function numbers_add_msg(cfb, type, msg, path, deps, id) {
		if (!id)
			id = get_unique_msgid({ deps: [], location: "", type: type }, deps);
		var loc = "".concat(path, "-").concat(id, ".iwa");
		deps[id].location = "Root Entry" + loc;
		CFB.utils.cfb_add(cfb, loc, compress_iwa_file(write_iwa_file([{
			id: id,
			messages: [write_iwam(type, write_shallow(msg))]
		}])));
		var newloc = loc.replace(/^[\/]/, "").replace(/^Index\//, "").replace(/\.iwa$/, "");
		numbers_iwa_doit(cfb, deps, 2, function (ai) {
			var mlist = parse_shallow(ai.messages[0].data);
			numbers_add_meta(mlist, id || 0, newloc);
			ai.messages[0].data = write_shallow(mlist);
		});
		return id;
	}
	function numbers_meta_add_dep(mlist, deps, id, dep) {
		var loc = deps[id].location.replace(/^Root Entry\//, "").replace(/^Index\//, "").replace(/\.iwa$/, "");
		var parentidx = mlist[3].findIndex(function (m) {
			var _a, _b;
			var mm = parse_shallow(m.data);
			if ((_a = mm[3]) == null ? void 0 : _a[0])
				return u8str(mm[3][0].data) == loc;
			if (((_b = mm[2]) == null ? void 0 : _b[0]) && u8str(mm[2][0].data) == loc)
				return true;
			return false;
		});
		var parent = parse_shallow(mlist[3][parentidx].data);
		if (!parent[6])
			parent[6] = [];
		(Array.isArray(dep) ? dep : [dep]).forEach(function (dep2) {
			parent[6].push({
				type: 2,
				data: write_shallow([
					[],
					[{ type: 0, data: write_varint49(dep2) }]
				])
			});
		});
		mlist[3][parentidx].data = write_shallow(parent);
	}
	function numbers_meta_del_dep(mlist, deps, id, dep) {
		var loc = deps[id].location.replace(/^Root Entry\//, "").replace(/^Index\//, "").replace(/\.iwa$/, "");
		var parentidx = mlist[3].findIndex(function (m) {
			var _a, _b;
			var mm = parse_shallow(m.data);
			if ((_a = mm[3]) == null ? void 0 : _a[0])
				return u8str(mm[3][0].data) == loc;
			if (((_b = mm[2]) == null ? void 0 : _b[0]) && u8str(mm[2][0].data) == loc)
				return true;
			return false;
		});
		var parent = parse_shallow(mlist[3][parentidx].data);
		if (!parent[6])
			parent[6] = [];
		parent[6] = parent[6].filter(function (m) {
			return varint_to_i32(parse_shallow(m.data)[1][0].data) != dep;
		});
		mlist[3][parentidx].data = write_shallow(parent);
	}
	function numbers_add_ws(cfb, deps, wsidx) {
		var sheetref = -1, newsheetref = -1;
		var remap = {};
		numbers_iwa_doit(cfb, deps, 1, function (docroot, arch) {
			var doc = parse_shallow(docroot.messages[0].data);
			sheetref = parse_TSP_Reference(parse_shallow(docroot.messages[0].data)[1][0].data);
			newsheetref = get_unique_msgid({ deps: [1], location: deps[sheetref].location, type: 2 }, deps);
			remap[sheetref] = newsheetref;
			numbers_add_oref(docroot, newsheetref);
			doc[1].push({ type: 2, data: write_TSP_Reference(newsheetref) });
			var sheet = numbers_iwa_find(cfb, deps, sheetref);
			sheet.id = newsheetref;
			if (deps[1].location == deps[newsheetref].location)
				arch.push(sheet);
			else
				numbers_iwa_doit(cfb, deps, newsheetref, function (_, x) {
					return x.push(sheet);
				});
			docroot.messages[0].data = write_shallow(doc);
		});
		var tiaref = -1;
		numbers_iwa_doit(cfb, deps, newsheetref, function (sheetroot, arch) {
			var sa = parse_shallow(sheetroot.messages[0].data);
			for (var i = 3; i <= 69; ++i)
				delete sa[i];
			var drawables = mappa(sa[2], parse_TSP_Reference);
			drawables.forEach(function (n) {
				return numbers_del_oref(sheetroot, n);
			});
			tiaref = get_unique_msgid({ deps: [newsheetref], location: deps[drawables[0]].location, type: deps[drawables[0]].type }, deps);
			numbers_add_oref(sheetroot, tiaref);
			remap[drawables[0]] = tiaref;
			sa[2] = [{ type: 2, data: write_TSP_Reference(tiaref) }];
			var tia = numbers_iwa_find(cfb, deps, drawables[0]);
			tia.id = tiaref;
			if (deps[drawables[0]].location == deps[newsheetref].location)
				arch.push(tia);
			else {
				numbers_iwa_doit(cfb, deps, 2, function (ai) {
					var mlist = parse_shallow(ai.messages[0].data);
					numbers_meta_add_dep(mlist, deps, newsheetref, tiaref);
					ai.messages[0].data = write_shallow(mlist);
				});
				numbers_iwa_doit(cfb, deps, tiaref, function (_, x) {
					return x.push(tia);
				});
			}
			sheetroot.messages[0].data = write_shallow(sa);
		});
		var tmaref = -1;
		numbers_iwa_doit(cfb, deps, tiaref, function (tiaroot, arch) {
			var tia = parse_shallow(tiaroot.messages[0].data);
			var da = parse_shallow(tia[1][0].data);
			for (var i = 3; i <= 69; ++i)
				delete da[i];
			var dap = parse_TSP_Reference(da[2][0].data);
			da[2][0].data = write_TSP_Reference(remap[dap]);
			tia[1][0].data = write_shallow(da);
			var oldtmaref = parse_TSP_Reference(tia[2][0].data);
			numbers_del_oref(tiaroot, oldtmaref);
			tmaref = get_unique_msgid({ deps: [tiaref], location: deps[oldtmaref].location, type: deps[oldtmaref].type }, deps);
			numbers_add_oref(tiaroot, tmaref);
			remap[oldtmaref] = tmaref;
			tia[2][0].data = write_TSP_Reference(tmaref);
			var tma = numbers_iwa_find(cfb, deps, oldtmaref);
			tma.id = tmaref;
			if (deps[tiaref].location == deps[tmaref].location)
				arch.push(tma);
			else
				numbers_iwa_doit(cfb, deps, tmaref, function (_, x) {
					return x.push(tma);
				});
			tiaroot.messages[0].data = write_shallow(tia);
		});
		numbers_iwa_doit(cfb, deps, tmaref, function (tmaroot, arch) {
			var _a, _b;
			var tma = parse_shallow(tmaroot.messages[0].data);
			var uuid = u8str(tma[1][0].data), new_uuid = uuid.replace(/-[A-Z0-9]*/, "-".concat(("0000" + wsidx.toString(16)).slice(-4)));
			tma[1][0].data = stru8(new_uuid);
			[12, 13, 29, 31, 32, 33, 39, 44, 47, 81, 82, 84].forEach(function (n) {
				return delete tma[n];
			});
			if (tma[45]) {
				var srrta = parse_shallow(tma[45][0].data);
				var ref = parse_TSP_Reference(srrta[1][0].data);
				numbers_del_oref(tmaroot, ref);
				delete tma[45];
			}
			if (tma[70]) {
				var hsoa = parse_shallow(tma[70][0].data);
				(_a = hsoa[2]) == null ? void 0 : _a.forEach(function (item) {
					var hsa = parse_shallow(item.data);
					[2, 3].map(function (n) {
						return hsa[n][0];
					}).forEach(function (hseadata) {
						var hsea = parse_shallow(hseadata.data);
						if (!hsea[8])
							return;
						var ref2 = parse_TSP_Reference(hsea[8][0].data);
						numbers_del_oref(tmaroot, ref2);
					});
				});
				delete tma[70];
			}
			[
				46,
				30,
				34,
				35,
				36,
				38,
				48,
				49,
				60,
				61,
				62,
				63,
				64,
				71,
				72,
				73,
				74,
				75,
				85,
				86,
				87,
				88,
				89
			].forEach(function (n) {
				if (!tma[n])
					return;
				var ref2 = parse_TSP_Reference(tma[n][0].data);
				delete tma[n];
				numbers_del_oref(tmaroot, ref2);
			});
			var store = parse_shallow(tma[4][0].data);
			{
				[2, 4, 5, 6, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22].forEach(function (n) {
					var _a2;
					if (!((_a2 = store[n]) == null ? void 0 : _a2[0]))
						return;
					var oldref = parse_TSP_Reference(store[n][0].data);
					var newref = get_unique_msgid({ deps: [tmaref], location: deps[oldref].location, type: deps[oldref].type }, deps);
					numbers_del_oref(tmaroot, oldref);
					numbers_add_oref(tmaroot, newref);
					remap[oldref] = newref;
					var msg = numbers_iwa_find(cfb, deps, oldref);
					msg.id = newref;
					if (deps[oldref].location == deps[tmaref].location)
						arch.push(msg);
					else {
						deps[newref].location = deps[oldref].location.replace(oldref.toString(), newref.toString());
						if (deps[newref].location == deps[oldref].location)
							deps[newref].location = deps[newref].location.replace(/\.iwa/, "-".concat(newref, ".iwa"));
						CFB.utils.cfb_add(cfb, deps[newref].location, compress_iwa_file(write_iwa_file([msg])));
						var newloc = deps[newref].location.replace(/^Root Entry\//, "").replace(/^Index\//, "").replace(/\.iwa$/, "");
						numbers_iwa_doit(cfb, deps, 2, function (ai) {
							var mlist = parse_shallow(ai.messages[0].data);
							numbers_add_meta(mlist, newref, newloc);
							numbers_meta_add_dep(mlist, deps, tmaref, newref);
							ai.messages[0].data = write_shallow(mlist);
						});
					}
					store[n][0].data = write_TSP_Reference(newref);
				});
				var row_headers = parse_shallow(store[1][0].data);
				{
					(_b = row_headers[2]) == null ? void 0 : _b.forEach(function (tspref) {
						var oldref = parse_TSP_Reference(tspref.data);
						var newref = get_unique_msgid({ deps: [tmaref], location: deps[oldref].location, type: deps[oldref].type }, deps);
						numbers_del_oref(tmaroot, oldref);
						numbers_add_oref(tmaroot, newref);
						remap[oldref] = newref;
						var msg = numbers_iwa_find(cfb, deps, oldref);
						msg.id = newref;
						if (deps[oldref].location == deps[tmaref].location) {
							arch.push(msg);
						} else {
							deps[newref].location = deps[oldref].location.replace(oldref.toString(), newref.toString());
							if (deps[newref].location == deps[oldref].location)
								deps[newref].location = deps[newref].location.replace(/\.iwa/, "-".concat(newref, ".iwa"));
							CFB.utils.cfb_add(cfb, deps[newref].location, compress_iwa_file(write_iwa_file([msg])));
							var newloc = deps[newref].location.replace(/^Root Entry\//, "").replace(/^Index\//, "").replace(/\.iwa$/, "");
							numbers_iwa_doit(cfb, deps, 2, function (ai) {
								var mlist = parse_shallow(ai.messages[0].data);
								numbers_add_meta(mlist, newref, newloc);
								numbers_meta_add_dep(mlist, deps, tmaref, newref);
								ai.messages[0].data = write_shallow(mlist);
							});
						}
						tspref.data = write_TSP_Reference(newref);
					});
				}
				store[1][0].data = write_shallow(row_headers);
				var tiles = parse_shallow(store[3][0].data);
				{
					tiles[1].forEach(function (t) {
						var tst = parse_shallow(t.data);
						var oldtileref = parse_TSP_Reference(tst[2][0].data);
						var newtileref = remap[oldtileref];
						if (!remap[oldtileref]) {
							newtileref = get_unique_msgid({ deps: [tmaref], location: "", type: deps[oldtileref].type }, deps);
							deps[newtileref].location = "Root Entry/Index/Tables/Tile-".concat(newtileref, ".iwa");
							remap[oldtileref] = newtileref;
							var oldtile = numbers_iwa_find(cfb, deps, oldtileref);
							oldtile.id = newtileref;
							numbers_del_oref(tmaroot, oldtileref);
							numbers_add_oref(tmaroot, newtileref);
							CFB.utils.cfb_add(cfb, "/Index/Tables/Tile-".concat(newtileref, ".iwa"), compress_iwa_file(write_iwa_file([oldtile])));
							numbers_iwa_doit(cfb, deps, 2, function (ai) {
								var mlist = parse_shallow(ai.messages[0].data);
								mlist[3].push({
									type: 2, data: write_shallow([
										[],
										[{ type: 0, data: write_varint49(newtileref) }],
										[{ type: 2, data: stru8("Tables/Tile") }],
										[{ type: 2, data: stru8("Tables/Tile-".concat(newtileref)) }],
										[{ type: 2, data: new Uint8Array([2, 0, 0]) }],
										[{ type: 2, data: new Uint8Array([2, 0, 0]) }],
										[],
										[],
										[],
										[],
										[{ type: 0, data: write_varint49(0) }],
										[],
										[{ type: 0, data: write_varint49(0) }]
									])
								});
								mlist[1] = [{ type: 0, data: write_varint49(Math.max(newtileref + 1, varint_to_i32(mlist[1][0].data))) }];
								numbers_meta_add_dep(mlist, deps, tmaref, newtileref);
								ai.messages[0].data = write_shallow(mlist);
							});
						}
						tst[2][0].data = write_TSP_Reference(newtileref);
						t.data = write_shallow(tst);
					});
				}
				store[3][0].data = write_shallow(tiles);
			}
			tma[4][0].data = write_shallow(store);
			tmaroot.messages[0].data = write_shallow(tma);
		});
	}
	function write_numbers_ws(cfb, deps, ws, wsname, sheetidx, rootref) {
		var drawables = [];
		numbers_iwa_doit(cfb, deps, rootref, function (docroot) {
			var sheetref = parse_shallow(docroot.messages[0].data);
			{
				sheetref[1] = [{ type: 2, data: stru8(wsname) }];
				drawables = mappa(sheetref[2], parse_TSP_Reference);
			}
			docroot.messages[0].data = write_shallow(sheetref);
		});
		var tia = numbers_iwa_find(cfb, deps, drawables[0]);
		var tmaref = parse_TSP_Reference(parse_shallow(tia.messages[0].data)[2][0].data);
		numbers_iwa_doit(cfb, deps, tmaref, function (docroot, x) {
			return write_numbers_tma(cfb, deps, ws, docroot, x, tmaref);
		});
	}
	var USE_WIDE_ROWS = true;
	function write_numbers_tma(cfb, deps, ws, tmaroot, tmafile, tmaref) {
		if (!ws["!ref"])
			throw new Error("Cannot export empty sheet to NUMBERS");
		var range = decode_range(ws["!ref"]);
		range.s.r = range.s.c = 0;
		var trunc = false;
		if (range.e.c > 999) {
			trunc = true;
			range.e.c = 999;
		}
		if (range.e.r > 999999) {
			trunc = true;
			range.e.r = 999999;
		}
		if (trunc)
			console.error("Truncating to ".concat(encode_range(range)));
		var data = [];
		if (ws["!data"])
			data = ws["!data"];
		else {
			var colstr = [];
			for (var _C = 0; _C <= range.e.c; ++_C)
				colstr[_C] = encode_col(_C);
			for (var R_ = 0; R_ <= range.e.r; ++R_) {
				data[R_] = [];
				var _R = "" + (R_ + 1);
				for (_C = 0; _C <= range.e.c; ++_C) {
					var _cell = ws[colstr[_C] + _R];
					if (!_cell)
						continue;
					data[R_][_C] = _cell;
				}
			}
		}
		var LUT = {
			cmnt: [{ a: "~54ee77S~", t: "... the people who are crazy enough to think they can change the world, are the ones who do." }],
			ferr: [],
			fmla: [],
			nfmt: [],
			ofmt: [],
			rsst: [{ v: "~54ee77S~", l: "https://sheetjs.com/" }],
			sst: ["~Sh33tJ5~"]
		};
		var pb = parse_shallow(tmaroot.messages[0].data);
		{
			pb[6][0].data = write_varint49(range.e.r + 1);
			pb[7][0].data = write_varint49(range.e.c + 1);
			delete pb[46];
			var store = parse_shallow(pb[4][0].data);
			{
				var row_header_ref = parse_TSP_Reference(parse_shallow(store[1][0].data)[2][0].data);
				numbers_iwa_doit(cfb, deps, row_header_ref, function (rowhead, _x) {
					var _a;
					var base_bucket = parse_shallow(rowhead.messages[0].data);
					if ((_a = base_bucket == null ? void 0 : base_bucket[2]) == null ? void 0 : _a[0])
						for (var R2 = 0; R2 < data.length; ++R2) {
							var _bucket = parse_shallow(base_bucket[2][0].data);
							_bucket[1][0].data = write_varint49(R2);
							_bucket[4][0].data = write_varint49(data[R2].length);
							base_bucket[2][R2] = { type: base_bucket[2][0].type, data: write_shallow(_bucket) };
						}
					rowhead.messages[0].data = write_shallow(base_bucket);
				});
				var col_header_ref = parse_TSP_Reference(store[2][0].data);
				numbers_iwa_doit(cfb, deps, col_header_ref, function (colhead, _x) {
					var base_bucket = parse_shallow(colhead.messages[0].data);
					for (var C = 0; C <= range.e.c; ++C) {
						var _bucket = parse_shallow(base_bucket[2][0].data);
						_bucket[1][0].data = write_varint49(C);
						_bucket[4][0].data = write_varint49(range.e.r + 1);
						base_bucket[2][C] = { type: base_bucket[2][0].type, data: write_shallow(_bucket) };
					}
					colhead.messages[0].data = write_shallow(base_bucket);
				});
				var rbtree = parse_shallow(store[9][0].data);
				rbtree[1] = [];
				var tilestore = parse_shallow(store[3][0].data);
				{
					var tstride = 256;
					tilestore[2] = [{ type: 0, data: write_varint49(tstride) }];
					var tileref = parse_TSP_Reference(parse_shallow(tilestore[1][0].data)[2][0].data);
					var save_token = function () {
						var metadata = numbers_iwa_find(cfb, deps, 2);
						var mlist = parse_shallow(metadata.messages[0].data);
						var mlst = mlist[3].filter(function (m) {
							return varint_to_i32(parse_shallow(m.data)[1][0].data) == tileref;
						});
						return (mlst == null ? void 0 : mlst.length) ? varint_to_i32(parse_shallow(mlst[0].data)[12][0].data) : 0;
					}();
					{
						CFB.utils.cfb_del(cfb, deps[tileref].location);
						numbers_iwa_doit(cfb, deps, 2, function (ai) {
							var mlist = parse_shallow(ai.messages[0].data);
							mlist[3] = mlist[3].filter(function (m) {
								return varint_to_i32(parse_shallow(m.data)[1][0].data) != tileref;
							});
							numbers_meta_del_dep(mlist, deps, tmaref, tileref);
							ai.messages[0].data = write_shallow(mlist);
						});
						numbers_del_oref(tmaroot, tileref);
					}
					tilestore[1] = [];
					var ntiles = Math.ceil((range.e.r + 1) / tstride);
					for (var tidx = 0; tidx < ntiles; ++tidx) {
						var newtileid = get_unique_msgid({
							deps: [],
							location: "",
							type: 6002
						}, deps);
						deps[newtileid].location = "Root Entry/Index/Tables/Tile-".concat(newtileid, ".iwa");
						var tiledata = [
							[],
							[{ type: 0, data: write_varint49(0) }],
							[{ type: 0, data: write_varint49(Math.min(range.e.r + 1, (tidx + 1) * tstride)) }],
							[{ type: 0, data: write_varint49(0) }],
							[{ type: 0, data: write_varint49(Math.min((tidx + 1) * tstride, range.e.r + 1) - tidx * tstride) }],
							[],
							[{ type: 0, data: write_varint49(5) }],
							[{ type: 0, data: write_varint49(1) }],
							[{ type: 0, data: write_varint49(USE_WIDE_ROWS ? 1 : 0) }]
						];
						for (var R = tidx * tstride; R <= Math.min(range.e.r, (tidx + 1) * tstride - 1); ++R) {
							var tilerow = write_TST_TileRowInfo(data[R], LUT, USE_WIDE_ROWS);
							tilerow[1][0].data = write_varint49(R - tidx * tstride);
							tiledata[5].push({ data: write_shallow(tilerow), type: 2 });
						}
						tilestore[1].push({
							type: 2, data: write_shallow([
								[],
								[{ type: 0, data: write_varint49(tidx) }],
								[{ type: 2, data: write_TSP_Reference(newtileid) }]
							])
						});
						var newtile = {
							id: newtileid,
							messages: [write_iwam(6002, write_shallow(tiledata))]
						};
						var tilecontent = compress_iwa_file(write_iwa_file([newtile]));
						CFB.utils.cfb_add(cfb, "/Index/Tables/Tile-".concat(newtileid, ".iwa"), tilecontent);
						numbers_iwa_doit(cfb, deps, 2, function (ai) {
							var mlist = parse_shallow(ai.messages[0].data);
							mlist[3].push({
								type: 2, data: write_shallow([
									[],
									[{ type: 0, data: write_varint49(newtileid) }],
									[{ type: 2, data: stru8("Tables/Tile") }],
									[{ type: 2, data: stru8("Tables/Tile-".concat(newtileid)) }],
									[{ type: 2, data: new Uint8Array([2, 0, 0]) }],
									[{ type: 2, data: new Uint8Array([2, 0, 0]) }],
									[],
									[],
									[],
									[],
									[{ type: 0, data: write_varint49(0) }],
									[],
									[{ type: 0, data: write_varint49(save_token) }]
								])
							});
							mlist[1] = [{ type: 0, data: write_varint49(Math.max(newtileid + 1, varint_to_i32(mlist[1][0].data))) }];
							numbers_meta_add_dep(mlist, deps, tmaref, newtileid);
							ai.messages[0].data = write_shallow(mlist);
						});
						numbers_add_oref(tmaroot, newtileid);
						rbtree[1].push({
							type: 2, data: write_shallow([
								[],
								[{ type: 0, data: write_varint49(tidx * tstride) }],
								[{ type: 0, data: write_varint49(tidx) }]
							])
						});
					}
				}
				store[3][0].data = write_shallow(tilestore);
				store[9][0].data = write_shallow(rbtree);
				store[10] = [{ type: 2, data: new Uint8Array([]) }];
				if (ws["!merges"]) {
					var mergeid = get_unique_msgid({
						type: 6144,
						deps: [tmaref],
						location: deps[tmaref].location
					}, deps);
					tmafile.push({
						id: mergeid,
						messages: [write_iwam(6144, write_shallow([
							[],
							ws["!merges"].map(function (m) {
								return {
									type: 2, data: write_shallow([
										[],
										[{
											type: 2, data: write_shallow([
												[],
												[{ type: 5, data: new Uint8Array(new Uint16Array([m.s.r, m.s.c]).buffer) }]
											])
										}],
										[{
											type: 2, data: write_shallow([
												[],
												[{ type: 5, data: new Uint8Array(new Uint16Array([m.e.r - m.s.r + 1, m.e.c - m.s.c + 1]).buffer) }]
											])
										}]
									])
								};
							})
						]))]
					});
					store[13] = [{ type: 2, data: write_TSP_Reference(mergeid) }];
					numbers_iwa_doit(cfb, deps, 2, function (ai) {
						var mlist = parse_shallow(ai.messages[0].data);
						numbers_meta_add_dep(mlist, deps, tmaref, mergeid);
						ai.messages[0].data = write_shallow(mlist);
					});
					numbers_add_oref(tmaroot, mergeid);
				} else
					delete store[13];
				var sstref = parse_TSP_Reference(store[4][0].data);
				numbers_iwa_doit(cfb, deps, sstref, function (sstroot) {
					var sstdata = parse_shallow(sstroot.messages[0].data);
					{
						sstdata[3] = [];
						LUT.sst.forEach(function (str, i) {
							if (i == 0)
								return;
							sstdata[3].push({
								type: 2, data: write_shallow([
									[],
									[{ type: 0, data: write_varint49(i) }],
									[{ type: 0, data: write_varint49(1) }],
									[{ type: 2, data: stru8(str) }]
								])
							});
						});
					}
					sstroot.messages[0].data = write_shallow(sstdata);
				});
				var rsstref = parse_TSP_Reference(store[17][0].data);
				numbers_iwa_doit(cfb, deps, rsstref, function (rsstroot) {
					var rsstdata = parse_shallow(rsstroot.messages[0].data);
					rsstdata[3] = [];
					var style_indices = [
						904980,
						903835,
						903815,
						903845
					];
					LUT.rsst.forEach(function (rsst, i) {
						if (i == 0)
							return;
						var tswpsa = [
							[],
							[{ type: 0, data: new Uint8Array([5]) }],
							[],
							[{ type: 2, data: stru8(rsst.v) }]
						];
						tswpsa[10] = [{ type: 0, data: new Uint8Array([1]) }];
						tswpsa[19] = [{ type: 2, data: new Uint8Array([10, 6, 8, 0, 18, 2, 101, 110]) }];
						tswpsa[5] = [{ type: 2, data: new Uint8Array([10, 8, 8, 0, 18, 4, 8, 155, 149, 55]) }];
						tswpsa[2] = [{ type: 2, data: new Uint8Array([8, 148, 158, 55]) }];
						tswpsa[6] = [{ type: 2, data: new Uint8Array([10, 6, 8, 0, 16, 0, 24, 0]) }];
						tswpsa[7] = [{ type: 2, data: new Uint8Array([10, 8, 8, 0, 18, 4, 8, 135, 149, 55]) }];
						tswpsa[8] = [{ type: 2, data: new Uint8Array([10, 8, 8, 0, 18, 4, 8, 165, 149, 55]) }];
						tswpsa[14] = [{ type: 2, data: new Uint8Array([10, 6, 8, 0, 16, 0, 24, 0]) }];
						tswpsa[24] = [{ type: 2, data: new Uint8Array([10, 6, 8, 0, 16, 0, 24, 0]) }];
						var tswpsaid = get_unique_msgid({ deps: [], location: "", type: 2001 }, deps);
						var tswpsarefs = [];
						if (rsst.l) {
							var newhlinkid = numbers_add_msg(cfb, 2032, [
								[],
								[],
								[{ type: 2, data: stru8(rsst.l) }]
							], "/Index/Tables/DataList", deps);
							tswpsa[11] = [];
							var smartfield = [[], []];
							if (!smartfield[1])
								smartfield[1] = [];
							smartfield[1].push({
								type: 2, data: write_shallow([
									[],
									[{ type: 0, data: write_varint49(0) }],
									[{ type: 2, data: write_TSP_Reference(newhlinkid) }]
								])
							});
							tswpsa[11][0] = { type: 2, data: write_shallow(smartfield) };
							tswpsarefs.push(newhlinkid);
						}
						numbers_add_msg(cfb, 2001, tswpsa, "/Index/Tables/DataList", deps, tswpsaid);
						numbers_iwa_doit(cfb, deps, tswpsaid, function (iwa) {
							style_indices.forEach(function (ref) {
								return numbers_add_oref(iwa, ref);
							});
							tswpsarefs.forEach(function (ref) {
								return numbers_add_oref(iwa, ref);
							});
						});
						var rtpaid = numbers_add_msg(cfb, 6218, [
							[],
							[{ type: 2, data: write_TSP_Reference(tswpsaid) }],
							[],
							[{ type: 2, data: new Uint8Array([13, 255, 255, 255, 0, 18, 10, 16, 255, 255, 1, 24, 255, 255, 255, 255, 7]) }]
						], "/Index/Tables/DataList", deps);
						numbers_iwa_doit(cfb, deps, rtpaid, function (iwa) {
							return numbers_add_oref(iwa, tswpsaid);
						});
						rsstdata[3].push({
							type: 2, data: write_shallow([
								[],
								[{ type: 0, data: write_varint49(i) }],
								[{ type: 0, data: write_varint49(1) }],
								[],
								[],
								[],
								[],
								[],
								[],
								[{ type: 2, data: write_TSP_Reference(rtpaid) }]
							])
						});
						numbers_add_oref(rsstroot, rtpaid);
						numbers_iwa_doit(cfb, deps, 2, function (ai) {
							var mlist = parse_shallow(ai.messages[0].data);
							numbers_meta_add_dep(mlist, deps, rsstref, rtpaid);
							numbers_meta_add_dep(mlist, deps, rtpaid, tswpsaid);
							numbers_meta_add_dep(mlist, deps, tswpsaid, tswpsarefs);
							numbers_meta_add_dep(mlist, deps, tswpsaid, style_indices);
							ai.messages[0].data = write_shallow(mlist);
						});
					});
					rsstroot.messages[0].data = write_shallow(rsstdata);
				});
				if (LUT.cmnt.length > 1) {
					var cmntref = parse_TSP_Reference(store[19][0].data);
					var authors = {}, iauthor = 0;
					numbers_iwa_doit(cfb, deps, cmntref, function (cmntroot) {
						var cmntdata = parse_shallow(cmntroot.messages[0].data);
						{
							cmntdata[3] = [];
							LUT.cmnt.forEach(function (cc, i) {
								if (i == 0)
									return;
								var replies = [];
								if (cc.replies)
									cc.replies.forEach(function (c) {
										if (!authors[c.a || ""])
											authors[c.a || ""] = numbers_add_msg(cfb, 212, [
												[],
												[{ type: 2, data: stru8(c.a || "") }],
												[{ type: 2, data: get_author_color(++iauthor) }],
												[],
												[{ type: 0, data: write_varint49(0) }]
											], "/Index/Tables/DataList", deps);
										var aaaid2 = authors[c.a || ""];
										var csaid2 = numbers_add_msg(cfb, 3056, [
											[],
											[{ type: 2, data: stru8(c.t || "") }],
											[{
												type: 2, data: write_shallow([
													[],
													[{ type: 1, data: new Uint8Array([0, 0, 0, 128, 116, 109, 182, 65]) }]
												])
											}],
											[{ type: 2, data: write_TSP_Reference(aaaid2) }]
										], "/Index/Tables/DataList", deps);
										numbers_iwa_doit(cfb, deps, csaid2, function (iwa) {
											return numbers_add_oref(iwa, aaaid2);
										});
										replies.push(csaid2);
										numbers_iwa_doit(cfb, deps, 2, function (ai) {
											var mlist = parse_shallow(ai.messages[0].data);
											numbers_meta_add_dep(mlist, deps, csaid2, aaaid2);
											ai.messages[0].data = write_shallow(mlist);
										});
									});
								if (!authors[cc.a || ""])
									authors[cc.a || ""] = numbers_add_msg(cfb, 212, [
										[],
										[{ type: 2, data: stru8(cc.a || "") }],
										[{ type: 2, data: get_author_color(++iauthor) }],
										[],
										[{ type: 0, data: write_varint49(0) }]
									], "/Index/Tables/DataList", deps);
								var aaaid = authors[cc.a || ""];
								var csaid = numbers_add_msg(cfb, 3056, [
									[],
									[{ type: 2, data: stru8(cc.t || "") }],
									[{
										type: 2, data: write_shallow([
											[],
											[{ type: 1, data: new Uint8Array([0, 0, 0, 128, 116, 109, 182, 65]) }]
										])
									}],
									[{ type: 2, data: write_TSP_Reference(aaaid) }],
									replies.map(function (r) {
										return { type: 2, data: write_TSP_Reference(r) };
									}),
									[{
										type: 2, data: write_shallow([
											[],
											[{ type: 0, data: write_varint49(i) }],
											[{ type: 0, data: write_varint49(0) }]
										])
									}]
								], "/Index/Tables/DataList", deps);
								numbers_iwa_doit(cfb, deps, csaid, function (iwa) {
									numbers_add_oref(iwa, aaaid);
									replies.forEach(function (r) {
										return numbers_add_oref(iwa, r);
									});
								});
								cmntdata[3].push({
									type: 2, data: write_shallow([
										[],
										[{ type: 0, data: write_varint49(i) }],
										[{ type: 0, data: write_varint49(1) }],
										[],
										[],
										[],
										[],
										[],
										[],
										[],
										[{ type: 2, data: write_TSP_Reference(csaid) }]
									])
								});
								numbers_add_oref(cmntroot, csaid);
								numbers_iwa_doit(cfb, deps, 2, function (ai) {
									var mlist = parse_shallow(ai.messages[0].data);
									numbers_meta_add_dep(mlist, deps, cmntref, csaid);
									numbers_meta_add_dep(mlist, deps, csaid, aaaid);
									if (replies.length)
										numbers_meta_add_dep(mlist, deps, csaid, replies);
									ai.messages[0].data = write_shallow(mlist);
								});
							});
						}
						cmntdata[2][0].data = write_varint49(LUT.cmnt.length + 1);
						cmntroot.messages[0].data = write_shallow(cmntdata);
					});
				}
			}
			pb[4][0].data = write_shallow(store);
		}
		tmaroot.messages[0].data = write_shallow(pb);
	}
	function fix_opts_func(defaults) {
		return function fix_opts(opts) {
			for (var i = 0; i != defaults.length; ++i) {
				var d = defaults[i];
				if (opts[d[0]] === undefined) opts[d[0]] = d[1];
				if (d[2] === 'n') opts[d[0]] = Number(opts[d[0]]);
			}
		};
	}

	function fix_read_opts(opts) {
		fix_opts_func([
			['cellNF', false], /* emit cell number format string as .z */
			['cellHTML', true], /* emit html string as .h */
			['cellFormula', true], /* emit formulae as .f */
			['cellStyles', false], /* emits style/theme as .s */
			['cellText', true], /* emit formatted text as .w */
			['cellDates', false], /* emit date cells with type `d` */

			['sheetStubs', false], /* emit empty cells */
			['sheetRows', 0, 'n'], /* read n rows (0 = read all rows) */

			['bookDeps', false], /* parse calculation chains */
			['bookSheets', false], /* only try to get sheet names (no Sheets) */
			['bookProps', false], /* only try to get properties (no Sheets) */
			['bookFiles', false], /* include raw file structure (keys, files, cfb) */
			['bookVBA', false], /* include vba raw data (vbaraw) */

			['password', ''], /* password */
			['WTF', false] /* WTF mode (throws errors) */
		])(opts);
	}

	function fix_write_opts(opts) {
		fix_opts_func([
			['cellDates', false], /* write date cells with type `d` */

			['bookSST', false], /* Generate Shared String Table */

			['bookType', 'xlsx'], /* Type of workbook (xlsx/m/b) */

			['compression', false], /* Use file compression */

			['WTF', false] /* WTF mode (throws errors) */
		])(opts);
	}
	function get_sheet_type(n) {
		if (RELS.WS.indexOf(n) > -1) return "sheet";
		if (RELS.CS && n == RELS.CS) return "chart";
		if (RELS.DS && n == RELS.DS) return "dialog";
		if (RELS.MS && n == RELS.MS) return "macro";
		return (n && n.length) ? n : "sheet";
	}
	function safe_parse_wbrels(wbrels, sheets) {
		if (!wbrels) return 0;
		try {
			wbrels = sheets.map(function pwbr(w) { if (!w.id) w.id = w.strRelID; return [w.name, wbrels['!id'][w.id].Target, get_sheet_type(wbrels['!id'][w.id].Type)]; });
		} catch (e) { return null; }
		return !wbrels || wbrels.length === 0 ? null : wbrels;
	}

	function parse_sheet_legacy_drawing(sheet, type, zip, path, idx, opts, wb, comments) {
		if (!sheet || !sheet['!legdrawel']) return;
		var dfile = resolve_path(sheet['!legdrawel'].Target, path);
		var draw = getzipstr(zip, dfile, true);
		if (draw) parse_vml(utf8read(draw), sheet, comments || []);
	}

	function safe_parse_sheet(zip, path, relsPath, sheet, idx, sheetRels, sheets, stype, opts, wb, themes, styles) {
		try {
			sheetRels[sheet] = parse_rels(getzipstr(zip, relsPath, true), path);
			var data = getzipdata(zip, path);
			var _ws;
			switch (stype) {
				case 'sheet': _ws = parse_ws(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break;
				case 'chart': _ws = parse_cs(data, path, idx, opts, sheetRels[sheet], wb, themes, styles);
					if (!_ws || !_ws['!drawel']) break;
					var dfile = resolve_path(_ws['!drawel'].Target, path);
					var drelsp = get_rels_path(dfile);
					var draw = parse_drawing(getzipstr(zip, dfile, true), parse_rels(getzipstr(zip, drelsp, true), dfile));
					var chartp = resolve_path(draw, dfile);
					var crelsp = get_rels_path(chartp);
					_ws = parse_chart(getzipstr(zip, chartp, true), chartp, opts, parse_rels(getzipstr(zip, crelsp, true), chartp), wb, _ws);
					break;
				case 'macro': _ws = parse_ms(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break;
				case 'dialog': _ws = parse_ds(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break;
				default: throw new Error("Unrecognized sheet type " + stype);
			}
			sheets[sheet] = _ws;

			/* scan rels for comments and threaded comments */
			var comments = [], tcomments = [];
			if (sheetRels && sheetRels[sheet]) keys(sheetRels[sheet]).forEach(function (n) {
				var dfile = "";
				if (sheetRels[sheet][n].Type == RELS.CMNT) {
					dfile = resolve_path(sheetRels[sheet][n].Target, path);
					comments = parse_cmnt(getzipdata(zip, dfile, true), dfile, opts);
					if (!comments || !comments.length) return;
					sheet_insert_comments(_ws, comments, false);
				}
				if (sheetRels[sheet][n].Type == RELS.TCMNT) {
					dfile = resolve_path(sheetRels[sheet][n].Target, path);
					tcomments = tcomments.concat(parse_tcmnt_xml(getzipdata(zip, dfile, true), opts));
				}
			});
			if (tcomments && tcomments.length) sheet_insert_comments(_ws, tcomments, true, opts.people || []);
			parse_sheet_legacy_drawing(_ws, stype, zip, path, idx, opts, wb, comments);
		} catch (e) { if (opts.WTF) throw e; }
	}

	function strip_front_slash(x) { return x.charAt(0) == '/' ? x.slice(1) : x; }

	function parse_zip(zip, opts) {
		make_ssf();
		opts = opts || {};
		fix_read_opts(opts);

		/* OpenDocument Part 3 Section 2.2.1 OpenDocument Package */
		if (safegetzipfile(zip, 'META-INF/manifest.xml')) return parse_ods(zip, opts);
		/* UOC */
		if (safegetzipfile(zip, 'objectdata.xml')) return parse_ods(zip, opts);
		/* Numbers */
		if (safegetzipfile(zip, 'Index/Document.iwa')) {
			if (typeof Uint8Array == "undefined") throw new Error('NUMBERS file parsing requires Uint8Array support');
			if (typeof parse_numbers_iwa != "undefined") {
				if (zip.FileIndex) return parse_numbers_iwa(zip, opts);
				var _zip = CFB.utils.cfb_new();
				zipentries(zip).forEach(function (e) { zip_add_file(_zip, e, getzipbin(zip, e)); });
				return parse_numbers_iwa(_zip, opts);
			}
			throw new Error('Unsupported NUMBERS file');
		}
		if (!safegetzipfile(zip, '[Content_Types].xml')) {
			if (safegetzipfile(zip, 'index.xml.gz')) throw new Error('Unsupported NUMBERS 08 file');
			if (safegetzipfile(zip, 'index.xml')) throw new Error('Unsupported NUMBERS 09 file');
			var index_zip = CFB.find(zip, 'Index.zip');
			if (index_zip) {
				opts = dup(opts);
				delete opts.type;
				if (typeof index_zip.content == "string") opts.type = "binary";
				// TODO: Bun buffer bug
				if (typeof Bun !== "undefined" && Buffer.isBuffer(index_zip.content)) return readSync(new Uint8Array(index_zip.content), opts);
				return readSync(index_zip.content, opts);
			}
			throw new Error('Unsupported ZIP file');
		}

		var entries = zipentries(zip);
		var dir = parse_ct((getzipstr(zip, '[Content_Types].xml')));
		var xlsb = false;
		var sheets, binname;
		if (dir.workbooks.length === 0) {
			binname = "xl/workbook.xml";
			if (getzipdata(zip, binname, true)) dir.workbooks.push(binname);
		}
		if (dir.workbooks.length === 0) {
			binname = "xl/workbook.bin";
			if (!getzipdata(zip, binname, true)) throw new Error("Could not find workbook");
			dir.workbooks.push(binname);
			xlsb = true;
		}
		if (dir.workbooks[0].slice(-3) == "bin") xlsb = true;

		var themes = ({});
		var styles = ({});
		if (!opts.bookSheets && !opts.bookProps) {
			strs = [];
			if (dir.sst) try { strs = parse_sst(getzipdata(zip, strip_front_slash(dir.sst)), dir.sst, opts); } catch (e) { if (opts.WTF) throw e; }

			if (opts.cellStyles && dir.themes.length) themes = parse_theme_xml(getzipstr(zip, dir.themes[0].replace(/^\//, ''), true) || "", opts);

			if (dir.style) styles = parse_sty(getzipdata(zip, strip_front_slash(dir.style)), dir.style, themes, opts);
		}

	/*var externbooks = */dir.links.map(function (link) {
			try {
				var rels = parse_rels(getzipstr(zip, get_rels_path(strip_front_slash(link))), link);
				return parse_xlink(getzipdata(zip, strip_front_slash(link)), rels, link, opts);
			} catch (e) { }
		});

		var wb = parse_wb(getzipdata(zip, strip_front_slash(dir.workbooks[0])), dir.workbooks[0], opts);

		var props = {}, propdata = "";

		if (dir.coreprops.length) {
			propdata = getzipdata(zip, strip_front_slash(dir.coreprops[0]), true);
			if (propdata) props = parse_core_props(propdata);
			if (dir.extprops.length !== 0) {
				propdata = getzipdata(zip, strip_front_slash(dir.extprops[0]), true);
				if (propdata) parse_ext_props(propdata, props, opts);
			}
		}

		var custprops = {};
		if (!opts.bookSheets || opts.bookProps) {
			if (dir.custprops.length !== 0) {
				propdata = getzipstr(zip, strip_front_slash(dir.custprops[0]), true);
				if (propdata) custprops = parse_cust_props(propdata, opts);
			}
		}

		var out = ({});
		if (opts.bookSheets || opts.bookProps) {
			if (wb.Sheets) sheets = wb.Sheets.map(function pluck(x) { return x.name; });
			else if (props.Worksheets && props.SheetNames.length > 0) sheets = props.SheetNames;
			if (opts.bookProps) { out.Props = props; out.Custprops = custprops; }
			if (opts.bookSheets && typeof sheets !== 'undefined') out.SheetNames = sheets;
			if (opts.bookSheets ? out.SheetNames : opts.bookProps) return out;
		}
		sheets = {};

		var deps = {};
		if (opts.bookDeps && dir.calcchain) deps = parse_cc(getzipdata(zip, strip_front_slash(dir.calcchain)), dir.calcchain, opts);

		var i = 0;
		var sheetRels = ({});
		var path, relsPath;

		{
			var wbsheets = wb.Sheets;
			props.Worksheets = wbsheets.length;
			props.SheetNames = [];
			for (var j = 0; j != wbsheets.length; ++j) {
				props.SheetNames[j] = wbsheets[j].name;
			}
		}

		var wbext = xlsb ? "bin" : "xml";
		var wbrelsi = dir.workbooks[0].lastIndexOf("/");
		var wbrelsfile = (dir.workbooks[0].slice(0, wbrelsi + 1) + "_rels/" + dir.workbooks[0].slice(wbrelsi + 1) + ".rels").replace(/^\//, "");
		if (!safegetzipfile(zip, wbrelsfile)) wbrelsfile = 'xl/_rels/workbook.' + wbext + '.rels';
		var wbrels = parse_rels(getzipstr(zip, wbrelsfile, true), wbrelsfile.replace(/_rels.*/, "s5s"));

		if ((dir.metadata || []).length >= 1) {
			/* TODO: MDX and other types of metadata */
			opts.xlmeta = parse_xlmeta(getzipdata(zip, strip_front_slash(dir.metadata[0])), dir.metadata[0], opts);
		}

		if ((dir.people || []).length >= 1) {
			opts.people = parse_people_xml(getzipdata(zip, strip_front_slash(dir.people[0])), opts);
		}

		if (wbrels) wbrels = safe_parse_wbrels(wbrels, wb.Sheets);

		/* Numbers iOS hack */
		var nmode = (getzipdata(zip, "xl/worksheets/sheet.xml", true)) ? 1 : 0;
		wsloop: for (i = 0; i != props.Worksheets; ++i) {
			var stype = "sheet";
			if (wbrels && wbrels[i]) {
				path = 'xl/' + (wbrels[i][1]).replace(/[\/]?xl\//, "");
				if (!safegetzipfile(zip, path)) path = wbrels[i][1];
				if (!safegetzipfile(zip, path)) path = wbrelsfile.replace(/_rels\/[\S\s]*$/, "") + wbrels[i][1];
				stype = wbrels[i][2];
			} else {
				path = 'xl/worksheets/sheet' + (i + 1 - nmode) + "." + wbext;
				path = path.replace(/sheet0\./, "sheet.");
			}
			relsPath = path.replace(/^(.*)(\/)([^\/]*)$/, "$1/_rels/$3.rels");
			if (opts && opts.sheets != null) switch (typeof opts.sheets) {
				case "number": if (i != opts.sheets) continue wsloop; break;
				case "string": if (props.SheetNames[i].toLowerCase() != opts.sheets.toLowerCase()) continue wsloop; break;
				default: if (Array.isArray && Array.isArray(opts.sheets)) {
					var snjseen = false;
					for (var snj = 0; snj != opts.sheets.length; ++snj) {
						if (typeof opts.sheets[snj] == "number" && opts.sheets[snj] == i) snjseen = 1;
						if (typeof opts.sheets[snj] == "string" && opts.sheets[snj].toLowerCase() == props.SheetNames[i].toLowerCase()) snjseen = 1;
					}
					if (!snjseen) continue wsloop;
				}
			}
			safe_parse_sheet(zip, path, relsPath, props.SheetNames[i], i, sheetRels, sheets, stype, opts, wb, themes, styles);
		}

		out = ({
			Directory: dir,
			Workbook: wb,
			Props: props,
			Custprops: custprops,
			Deps: deps,
			Sheets: sheets,
			SheetNames: props.SheetNames,
			Strings: strs,
			Styles: styles,
			Themes: themes,
			SSF: dup(table_fmt)
		});
		if (opts && opts.bookFiles) {
			if (zip.files) {
				out.keys = entries;
				out.files = zip.files;
			} else {
				out.keys = [];
				out.files = {};
				zip.FullPaths.forEach(function (p, idx) {
					p = p.replace(/^Root Entry[\/]/, "");
					out.keys.push(p);
					out.files[p] = zip.FileIndex[idx];
				});
			}
		}
		if (opts && opts.bookVBA) {
			if (dir.vba.length > 0) out.vbaraw = getzipdata(zip, strip_front_slash(dir.vba[0]), true);
			else if (dir.defaults && dir.defaults.bin === CT_VBA) out.vbaraw = getzipdata(zip, 'xl/vbaProject.bin', true);
		}
		// TODO: pass back content types metadata for xlsm/xlsx resolution
		out.bookType = xlsb ? "xlsb" : "xlsx";
		return out;
	}

	/* [MS-OFFCRYPTO] 2.1.1 */
	function parse_xlsxcfb(cfb, _opts) {
		var opts = _opts || {};
		var f = 'Workbook', data = CFB.find(cfb, f);
		try {
			f = '/!DataSpaces/Version';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
	/*var version = */parse_DataSpaceVersionInfo(data.content);

			/* 2.3.4.1 */
			f = '/!DataSpaces/DataSpaceMap';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
			var dsm = parse_DataSpaceMap(data.content);
			if (dsm.length !== 1 || dsm[0].comps.length !== 1 || dsm[0].comps[0].t !== 0 || dsm[0].name !== "StrongEncryptionDataSpace" || dsm[0].comps[0].v !== "EncryptedPackage")
				throw new Error("ECMA-376 Encrypted file bad " + f);

			/* 2.3.4.2 */
			f = '/!DataSpaces/DataSpaceInfo/StrongEncryptionDataSpace';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
			var seds = parse_DataSpaceDefinition(data.content);
			if (seds.length != 1 || seds[0] != "StrongEncryptionTransform")
				throw new Error("ECMA-376 Encrypted file bad " + f);

			/* 2.3.4.3 */
			f = '/!DataSpaces/TransformInfo/StrongEncryptionTransform/!Primary';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
	/*var hdr = */parse_Primary(data.content);
		} catch (e) { }

		f = '/EncryptionInfo';
		data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
		var einfo = parse_EncryptionInfo(data.content);

		/* 2.3.4.4 */
		f = '/EncryptedPackage';
		data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);

		/*global decrypt_agile */
		if (einfo[0] == 0x04 && typeof decrypt_agile !== 'undefined') return decrypt_agile(einfo[1], data.content, opts.password || "", opts);
		/*global decrypt_std76 */
		if (einfo[0] == 0x02 && typeof decrypt_std76 !== 'undefined') return decrypt_std76(einfo[1], data.content, opts.password || "", opts);
		throw new Error("File is password-protected");
	}

	function write_zip_xlsb(wb, opts) {
		if (wb && !wb.SSF) {
			wb.SSF = dup(table_fmt);
		}
		if (wb && wb.SSF) {
			make_ssf(); SSF_load_table(wb.SSF);
			// $FlowIgnore
			opts.revssf = evert_num(wb.SSF); opts.revssf[wb.SSF[65535]] = 0;
			opts.ssf = wb.SSF;
		}
		opts.rels = {}; opts.wbrels = {};
		opts.Strings = []; opts.Strings.Count = 0; opts.Strings.Unique = 0;
		if (browser_has_Map) opts.revStrings = new Map();
		else { opts.revStrings = {}; opts.revStrings.foo = []; delete opts.revStrings.foo; }
		var wbext = "bin";
		var vbafmt = true;
		var ct = new_ct();
		fix_write_opts(opts = opts || {});
		var zip = zip_new();
		var f = "", rId = 0;

		opts.cellXfs = [];
		get_cell_style(opts.cellXfs, {}, { revssf: { "General": 0 } });

		if (!wb.Props) wb.Props = {};

		f = "docProps/core.xml";
		zip_add_file(zip, f, write_core_props(wb.Props, opts));
		ct.coreprops.push(f);
		add_rels(opts.rels, 2, f, RELS.CORE_PROPS);

		f = "docProps/app.xml";
		if (wb.Props && wb.Props.SheetNames) {/* empty */ }
		else if (!wb.Workbook || !wb.Workbook.Sheets) wb.Props.SheetNames = wb.SheetNames;
		else {
			var _sn = [];
			for (var _i = 0; _i < wb.SheetNames.length; ++_i)
				if ((wb.Workbook.Sheets[_i] || {}).Hidden != 2) _sn.push(wb.SheetNames[_i]);
			wb.Props.SheetNames = _sn;
		}
		wb.Props.Worksheets = wb.Props.SheetNames.length;
		zip_add_file(zip, f, write_ext_props(wb.Props, opts));
		ct.extprops.push(f);
		add_rels(opts.rels, 3, f, RELS.EXT_PROPS);

		if (wb.Custprops !== wb.Props && keys(wb.Custprops || {}).length > 0) {
			f = "docProps/custom.xml";
			zip_add_file(zip, f, write_cust_props(wb.Custprops, opts));
			ct.custprops.push(f);
			add_rels(opts.rels, 4, f, RELS.CUST_PROPS);
		}

		var people = ["SheetJ5"];
		opts.tcid = 0;

		for (rId = 1; rId <= wb.SheetNames.length; ++rId) {
			var wsrels = { '!id': {} };
			var ws = wb.Sheets[wb.SheetNames[rId - 1]];
			var _type = (ws || {})["!type"] || "sheet";
			switch (_type) {
				case "chart":
				/* falls through */
				default:
					f = "xl/worksheets/sheet" + rId + "." + wbext;
					zip_add_file(zip, f, write_ws_bin(rId - 1, opts, wb, wsrels));
					ct.sheets.push(f);
					add_rels(opts.wbrels, -1, "worksheets/sheet" + rId + "." + wbext, RELS.WS[0]);
			}

			if (ws) {
				var comments = ws['!comments'];
				var need_vml = false;
				var cf = "";
				if (comments && comments.length > 0) {
					var needtc = false;
					comments.forEach(function (carr) {
						carr[1].forEach(function (c) { if (c.T == true) needtc = true; });
					});
					if (needtc) {
						cf = "xl/threadedComments/threadedComment" + rId + ".xml";
						zip_add_file(zip, cf, write_tcmnt_xml(comments, people, opts));
						ct.threadedcomments.push(cf);
						add_rels(wsrels, -1, "../threadedComments/threadedComment" + rId + ".xml", RELS.TCMNT);
					}

					cf = "xl/comments" + rId + "." + wbext;
					zip_add_file(zip, cf, write_comments_bin(comments, opts));
					ct.comments.push(cf);
					add_rels(wsrels, -1, "../comments" + rId + "." + wbext, RELS.CMNT);
					need_vml = true;
				}
				if (ws['!legacy']) {
					if (need_vml) zip_add_file(zip, "xl/drawings/vmlDrawing" + (rId) + ".vml", write_vml(rId, ws['!comments']));
				}
				delete ws['!comments'];
				delete ws['!legacy'];
			}

			if (wsrels['!id'].rId1) zip_add_file(zip, get_rels_path(f), write_rels(wsrels));
		}

		if (opts.Strings != null && opts.Strings.length > 0) {
			f = "xl/sharedStrings." + wbext;
			zip_add_file(zip, f, write_sst_bin(opts.Strings, opts));
			ct.strs.push(f);
			add_rels(opts.wbrels, -1, "sharedStrings." + wbext, RELS.SST);
		}

		f = "xl/workbook." + wbext;
		zip_add_file(zip, f, write_wb_bin(wb, opts));
		ct.workbooks.push(f);
		add_rels(opts.rels, 1, f, RELS.WB);

		/* TODO: something more intelligent with themes */

		f = "xl/theme/theme1.xml";
		var ww = write_theme(wb.Themes, opts);
		zip_add_file(zip, f, ww);
		ct.themes.push(f);
		add_rels(opts.wbrels, -1, "theme/theme1.xml", RELS.THEME);

		/* TODO: something more intelligent with styles */

		f = "xl/styles." + wbext;
		zip_add_file(zip, f, write_sty_bin(wb, opts));
		ct.styles.push(f);
		add_rels(opts.wbrels, -1, "styles." + wbext, RELS.STY);

		if (wb.vbaraw && vbafmt) {
			f = "xl/vbaProject.bin";
			zip_add_file(zip, f, wb.vbaraw);
			ct.vba.push(f);
			add_rels(opts.wbrels, -1, "vbaProject.bin", RELS.VBA);
		}

		f = "xl/metadata." + wbext;
		zip_add_file(zip, f, write_xlmeta_bin());
		ct.metadata.push(f);
		add_rels(opts.wbrels, -1, "metadata." + wbext, RELS.XLMETA);

		if (people.length > 1) {
			f = "xl/persons/person.xml";
			zip_add_file(zip, f, write_people_xml(people, opts));
			ct.people.push(f);
			add_rels(opts.wbrels, -1, "persons/person.xml", RELS.PEOPLE);
		}

		zip_add_file(zip, "[Content_Types].xml", write_ct(ct, opts));
		zip_add_file(zip, '_rels/.rels', write_rels(opts.rels));
		zip_add_file(zip, 'xl/_rels/workbook.' + wbext + '.rels', write_rels(opts.wbrels));

		delete opts.revssf; delete opts.ssf;
		return zip;
	}

	function write_zip_xlsx(wb, opts) {
		if (wb && !wb.SSF) {
			wb.SSF = dup(table_fmt);
		}
		if (wb && wb.SSF) {
			make_ssf(); SSF_load_table(wb.SSF);
			// $FlowIgnore
			opts.revssf = evert_num(wb.SSF); opts.revssf[wb.SSF[65535]] = 0;
			opts.ssf = wb.SSF;
		}
		opts.rels = {}; opts.wbrels = {};
		opts.Strings = []; opts.Strings.Count = 0; opts.Strings.Unique = 0;
		if (browser_has_Map) opts.revStrings = new Map();
		else { opts.revStrings = {}; opts.revStrings.foo = []; delete opts.revStrings.foo; }
		var wbext = "xml";
		var vbafmt = VBAFMTS.indexOf(opts.bookType) > -1;
		var ct = new_ct();
		fix_write_opts(opts = opts || {});
		var zip = zip_new();
		var f = "", rId = 0;

		opts.cellXfs = [];
		get_cell_style(opts.cellXfs, {}, { revssf: { "General": 0 } });

		if (!wb.Props) wb.Props = {};

		f = "docProps/core.xml";
		zip_add_file(zip, f, write_core_props(wb.Props, opts));
		ct.coreprops.push(f);
		add_rels(opts.rels, 2, f, RELS.CORE_PROPS);

		f = "docProps/app.xml";
		if (wb.Props && wb.Props.SheetNames) {/* empty */ }
		else if (!wb.Workbook || !wb.Workbook.Sheets) wb.Props.SheetNames = wb.SheetNames;
		else {
			var _sn = [];
			for (var _i = 0; _i < wb.SheetNames.length; ++_i)
				if ((wb.Workbook.Sheets[_i] || {}).Hidden != 2) _sn.push(wb.SheetNames[_i]);
			wb.Props.SheetNames = _sn;
		}
		wb.Props.Worksheets = wb.Props.SheetNames.length;
		zip_add_file(zip, f, write_ext_props(wb.Props, opts));
		ct.extprops.push(f);
		add_rels(opts.rels, 3, f, RELS.EXT_PROPS);

		if (wb.Custprops !== wb.Props && keys(wb.Custprops || {}).length > 0) {
			f = "docProps/custom.xml";
			zip_add_file(zip, f, write_cust_props(wb.Custprops, opts));
			ct.custprops.push(f);
			add_rels(opts.rels, 4, f, RELS.CUST_PROPS);
		}

		var people = ["SheetJ5"];
		opts.tcid = 0;

		for (rId = 1; rId <= wb.SheetNames.length; ++rId) {
			var wsrels = { '!id': {} };
			var ws = wb.Sheets[wb.SheetNames[rId - 1]];
			var _type = (ws || {})["!type"] || "sheet";
			switch (_type) {
				case "chart":
				/* falls through */
				default:
					f = "xl/worksheets/sheet" + rId + "." + wbext;
					zip_add_file(zip, f, write_ws_xml(rId - 1, opts, wb, wsrels));
					ct.sheets.push(f);
					add_rels(opts.wbrels, -1, "worksheets/sheet" + rId + "." + wbext, RELS.WS[0]);
			}

			if (ws) {
				var comments = ws['!comments'];
				var need_vml = false;
				var cf = "";
				if (comments && comments.length > 0) {
					var needtc = false;
					comments.forEach(function (carr) {
						carr[1].forEach(function (c) { if (c.T == true) needtc = true; });
					});
					if (needtc) {
						cf = "xl/threadedComments/threadedComment" + rId + ".xml";
						zip_add_file(zip, cf, write_tcmnt_xml(comments, people, opts));
						ct.threadedcomments.push(cf);
						add_rels(wsrels, -1, "../threadedComments/threadedComment" + rId + ".xml", RELS.TCMNT);
					}

					cf = "xl/comments" + rId + "." + wbext;
					zip_add_file(zip, cf, write_comments_xml(comments, opts));
					ct.comments.push(cf);
					add_rels(wsrels, -1, "../comments" + rId + "." + wbext, RELS.CMNT);
					need_vml = true;
				}
				if (ws['!legacy']) {
					if (need_vml) zip_add_file(zip, "xl/drawings/vmlDrawing" + (rId) + ".vml", write_vml(rId, ws['!comments']));
				}
				delete ws['!comments'];
				delete ws['!legacy'];
			}

			if (wsrels['!id'].rId1) zip_add_file(zip, get_rels_path(f), write_rels(wsrels));
		}

		if (opts.Strings != null && opts.Strings.length > 0) {
			f = "xl/sharedStrings." + wbext;
			zip_add_file(zip, f, write_sst_xml(opts.Strings, opts));
			ct.strs.push(f);
			add_rels(opts.wbrels, -1, "sharedStrings." + wbext, RELS.SST);
		}

		f = "xl/workbook." + wbext;
		zip_add_file(zip, f, write_wb_xml(wb, opts));
		ct.workbooks.push(f);
		add_rels(opts.rels, 1, f, RELS.WB);

		/* TODO: something more intelligent with themes */

		f = "xl/theme/theme1.xml";
		zip_add_file(zip, f, write_theme(wb.Themes, opts));
		ct.themes.push(f);
		add_rels(opts.wbrels, -1, "theme/theme1.xml", RELS.THEME);

		/* TODO: something more intelligent with styles */

		f = "xl/styles." + wbext;
		zip_add_file(zip, f, write_sty_xml(wb, opts));
		ct.styles.push(f);
		add_rels(opts.wbrels, -1, "styles." + wbext, RELS.STY);

		if (wb.vbaraw && vbafmt) {
			f = "xl/vbaProject.bin";
			zip_add_file(zip, f, wb.vbaraw);
			ct.vba.push(f);
			add_rels(opts.wbrels, -1, "vbaProject.bin", RELS.VBA);
		}

		f = "xl/metadata." + wbext;
		zip_add_file(zip, f, write_xlmeta_xml());
		ct.metadata.push(f);
		add_rels(opts.wbrels, -1, "metadata." + wbext, RELS.XLMETA);

		if (people.length > 1) {
			f = "xl/persons/person.xml";
			zip_add_file(zip, f, write_people_xml(people, opts));
			ct.people.push(f);
			add_rels(opts.wbrels, -1, "persons/person.xml", RELS.PEOPLE);
		}

		zip_add_file(zip, "[Content_Types].xml", write_ct(ct, opts));
		zip_add_file(zip, '_rels/.rels', write_rels(opts.rels));
		zip_add_file(zip, 'xl/_rels/workbook.' + wbext + '.rels', write_rels(opts.wbrels));

		delete opts.revssf; delete opts.ssf;
		return zip;
	}

	function firstbyte(f, o) {
		var x = "";
		switch ((o || {}).type || "base64") {
			case 'buffer': return [f[0], f[1], f[2], f[3], f[4], f[5], f[6], f[7]];
			case 'base64': x = Base64_decode(f.slice(0, 12)); break;
			case 'binary': x = f; break;
			case 'array': return [f[0], f[1], f[2], f[3], f[4], f[5], f[6], f[7]];
			default: throw new Error("Unrecognized type " + (o && o.type || "undefined"));
		}
		return [x.charCodeAt(0), x.charCodeAt(1), x.charCodeAt(2), x.charCodeAt(3), x.charCodeAt(4), x.charCodeAt(5), x.charCodeAt(6), x.charCodeAt(7)];
	}

	function read_cfb(cfb, opts) {
		if (CFB.find(cfb, "EncryptedPackage")) return parse_xlsxcfb(cfb, opts);
		return parse_xlscfb(cfb, opts);
	}

	function read_zip(data, opts) {
		var zip, d = data;
		var o = opts || {};
		if (!o.type) o.type = (has_buf && Buffer.isBuffer(data)) ? "buffer" : "base64";
		zip = zip_read(d, o);
		return parse_zip(zip, o);
	}

	function read_plaintext(data, o) {
		var i = 0;
		main: while (i < data.length) switch (data.charCodeAt(i)) {
			case 0x0A: case 0x0D: case 0x20: ++i; break;
			case 0x3C: return parse_xlml(data.slice(i), o);
			default: break main;
		}
		return PRN.to_workbook(data, o);
	}

	function read_plaintext_raw(data, o) {
		var str = "", bytes = firstbyte(data, o);
		switch (o.type) {
			case 'base64': str = Base64_decode(data); break;
			case 'binary': str = data; break;
			case 'buffer': str = data.toString('binary'); break;
			case 'array': str = cc2str(data); break;
			default: throw new Error("Unrecognized type " + o.type);
		}
		if (bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF) str = utf8read(str);
		o.type = "binary";
		return read_plaintext(str, o);
	}

	function read_utf16(data, o) {
		var d = data;
		if (o.type == 'base64') d = Base64_decode(d);
		if (typeof ArrayBuffer !== "undefined" && data instanceof ArrayBuffer) d = new Uint8Array(data);
		d = typeof $cptable !== "undefined" ? $cptable.utils.decode(1200, d.slice(2), 'str') : (
			(has_buf && Buffer.isBuffer(data)) ? data.slice(2).toString("utf16le") :
				(typeof Uint8Array !== "undefined" && d instanceof Uint8Array) ? (
					typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le").decode(d.slice(2)) : utf16lereadu(d.slice(2))
				) : utf16leread(d.slice(2))
		);
		o.type = "binary";
		return read_plaintext(d, o);
	}

	function bstrify(data) {
		return !data.match(/[^\x00-\x7F]/) ? data : utf8write(data);
	}

	function read_prn(data, d, o, str) {
		if (str) { o.type = "string"; return PRN.to_workbook(data, o); }
		return PRN.to_workbook(d, o);
	}

	function readSync(data, opts) {
		reset_cp();
		var o = opts || {};
		if (o.codepage && typeof $cptable === "undefined") console.error("Codepage tables are not loaded.  Non-ASCII characters may not give expected results");
		if (typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) return readSync(new Uint8Array(data), (o = dup(o), o.type = "array", o));
		/* Javet projects `byte[]` to `Int8Array` */
		if (typeof Int8Array !== 'undefined' && data instanceof Int8Array) return readSync(new Uint8Array(data.buffer, data.byteOffset, data.length), o);
		if (typeof Uint8Array !== 'undefined' && data instanceof Uint8Array && !o.type) o.type = typeof Deno !== "undefined" ? "buffer" : "array";
		var d = data, n = [0, 0, 0, 0], str = false;
		if (o.cellStyles) { o.cellNF = true; o.sheetStubs = true; }
		_ssfopts = {};
		if (o.dateNF) _ssfopts.dateNF = o.dateNF;
		if (!o.type) o.type = (has_buf && Buffer.isBuffer(data)) ? "buffer" : "base64";
		if (o.type == "file") { o.type = has_buf ? "buffer" : "binary"; d = read_binary(data); if (typeof Uint8Array !== 'undefined' && !has_buf) o.type = "array"; }
		if (o.type == "string") { str = true; o.type = "binary"; o.codepage = 65001; d = bstrify(data); }
		if (o.type == 'array' && typeof Uint8Array !== 'undefined' && data instanceof Uint8Array && typeof ArrayBuffer !== 'undefined') {
			// $FlowIgnore
			var ab = new ArrayBuffer(3), vu = new Uint8Array(ab); vu.foo = "bar";
			// $FlowIgnore
			if (!vu.foo) { o = dup(o); o.type = 'array'; return readSync(ab2a(d), o); }
		}
		switch ((n = firstbyte(d, o))[0]) {
			case 0xD0: if (n[1] === 0xCF && n[2] === 0x11 && n[3] === 0xE0 && n[4] === 0xA1 && n[5] === 0xB1 && n[6] === 0x1A && n[7] === 0xE1) return read_cfb(CFB.read(d, o), o); break;
			case 0x09: if (n[1] <= 0x08) return parse_xlscfb(d, o); break;
			case 0x3C: return parse_xlml(d, o);
			case 0x49:
				if (n[1] === 0x49 && n[2] === 0x2a && n[3] === 0x00) throw new Error("TIFF Image File is not a spreadsheet");
				if (n[1] === 0x44) return read_wb_ID(d, o);
				break;
			case 0x54: if (n[1] === 0x41 && n[2] === 0x42 && n[3] === 0x4C) return DIF.to_workbook(d, o); break;
			case 0x50: return (n[1] === 0x4B && n[2] < 0x09 && n[3] < 0x09) ? read_zip(d, o) : read_prn(data, d, o, str);
			case 0xEF: return n[3] === 0x3C ? parse_xlml(d, o) : read_prn(data, d, o, str);
			case 0xFF:
				if (n[1] === 0xFE) { return read_utf16(d, o); }
				else if (n[1] === 0x00 && n[2] === 0x02 && n[3] === 0x00) return WK_.to_workbook(d, o);
				break;
			case 0x00:
				if (n[1] === 0x00) {
					if (n[2] >= 0x02 && n[3] === 0x00) return WK_.to_workbook(d, o);
					if (n[2] === 0x00 && (n[3] === 0x08 || n[3] === 0x09)) return WK_.to_workbook(d, o);
				}
				break;
			case 0x03: case 0x83: case 0x8B: case 0x8C: return DBF.to_workbook(d, o);
			case 0x7B: if (n[1] === 0x5C && n[2] === 0x72 && n[3] === 0x74) return rtf_to_workbook(d, o); break;
			case 0x0A: case 0x0D: case 0x20: return read_plaintext_raw(d, o);
			case 0x89: if (n[1] === 0x50 && n[2] === 0x4E && n[3] === 0x47) throw new Error("PNG Image File is not a spreadsheet"); break;
			case 0x08: if (n[1] === 0xE7) throw new Error("Unsupported Multiplan 1.x file!"); break;
			case 0x0C:
				if (n[1] === 0xEC) throw new Error("Unsupported Multiplan 2.x file!");
				if (n[1] === 0xED) throw new Error("Unsupported Multiplan 3.x file!");
				break;
		}
		if (DBF_SUPPORTED_VERSIONS.indexOf(n[0]) > -1 && n[2] <= 12 && n[3] <= 31) return DBF.to_workbook(d, o);
		return read_prn(data, d, o, str);
	}

	function readFileSync(filename, opts) {
		var o = opts || {}; o.type = 'file';
		return readSync(filename, o);
	}
	function write_cfb_ctr(cfb, o) {
		switch (o.type) {
			case "base64": case "binary": break;
			case "buffer": case "array": o.type = ""; break;
			case "file": return write_dl(o.file, CFB.write(cfb, { type: has_buf ? 'buffer' : "" }));
			case "string": throw new Error("'string' output type invalid for '" + o.bookType + "' files");
			default: throw new Error("Unrecognized type " + o.type);
		}
		return CFB.write(cfb, o);
	}

	function write_zip(wb, opts) {
		switch (opts.bookType) {
			case "ods": return write_ods(wb, opts);
			case "numbers": return write_numbers_iwa(wb, opts);
			case "xlsb": return write_zip_xlsb(wb, opts);
			default: return write_zip_xlsx(wb, opts);
		}
	}

	function write_zip_type(wb, opts) {
		var o = dup(opts || {});
		var z = write_zip(wb, o);
		return write_zip_denouement(z, o);
	}
	function write_zip_typeXLSX(wb, opts) {
		var o = dup(opts || {});
		var z = write_zip_xlsx(wb, o);
		return write_zip_denouement(z, o);
	}
	function write_zip_denouement(z, o) {
		var oopts = {};
		var ftype = has_buf ? "nodebuffer" : (typeof Uint8Array !== "undefined" ? "array" : "string");
		if (o.compression) oopts.compression = 'DEFLATE';
		if (o.password) oopts.type = ftype;
		else switch (o.type) {
			case "base64": oopts.type = "base64"; break;
			case "binary": oopts.type = "string"; break;
			case "string": throw new Error("'string' output type invalid for '" + o.bookType + "' files");
			case "buffer":
			case "file": oopts.type = ftype; break;
			default: throw new Error("Unrecognized type " + o.type);
		}
		var out = z.FullPaths ? CFB.write(z, { fileType: "zip", type: { "nodebuffer": "buffer", "string": "binary" }[oopts.type] || oopts.type, compression: !!o.compression }) : z.generate(oopts);
		if (typeof Deno !== "undefined") {
			if (typeof out == "string") {
				if (o.type == "binary" || o.type == "base64") return out;
				out = new Uint8Array(s2ab(out));
			}
		}
		/*jshint -W083 */
		if (o.password && typeof encrypt_agile !== 'undefined') return write_cfb_ctr(encrypt_agile(out, o.password), o); // eslint-disable-line no-undef
		/*jshint +W083 */
		if (o.type === "file") return write_dl(o.file, out);
		return o.type == "string" ? utf8read(out) : out;
	}

	function write_cfb_type(wb, opts) {
		var o = opts || {};
		var cfb = write_xlscfb(wb, o);
		return write_cfb_ctr(cfb, o);
	}

	function write_string_type(out, opts, bom) {
		if (!bom) bom = "";
		var o = bom + out;
		switch (opts.type) {
			case "base64": return Base64_encode(utf8write(o));
			case "binary": return utf8write(o);
			case "string": return out;
			case "file": return write_dl(opts.file, o, 'utf8');
			case "buffer": {
				if (has_buf) return Buffer_from(o, 'utf8');
				else if (typeof TextEncoder !== "undefined") return new TextEncoder().encode(o);
				else return write_string_type(o, { type: 'binary' }).split("").map(function (c) { return c.charCodeAt(0); });
			}
		}
		throw new Error("Unrecognized type " + opts.type);
	}

	function write_stxt_type(out, opts) {
		switch (opts.type) {
			case "base64": return Base64_encode_pass(out);
			case "binary": return out;
			case "string": return out; /* override in sheet_to_txt */
			case "file": return write_dl(opts.file, out, 'binary');
			case "buffer": {
				if (has_buf) return Buffer_from(out, 'binary');
				else return out.split("").map(function (c) { return c.charCodeAt(0); });
			}
		}
		throw new Error("Unrecognized type " + opts.type);
	}

	/* TODO: test consistency */
	function write_binary_type(out, opts) {
		switch (opts.type) {
			case "string":
			case "base64":
			case "binary":
				var bstr = "";
				// $FlowIgnore
				for (var i = 0; i < out.length; ++i) bstr += String.fromCharCode(out[i]);
				return opts.type == 'base64' ? Base64_encode(bstr) : opts.type == 'string' ? utf8read(bstr) : bstr;
			case "file": return write_dl(opts.file, out);
			case "buffer": return out;
			default: throw new Error("Unrecognized type " + opts.type);
		}
	}

	function writeSyncXLSX(wb, opts) {
		reset_cp();
		check_wb(wb);
		var o = dup(opts || {});
		if (o.cellStyles) { o.cellNF = true; o.sheetStubs = true; }
		if (o.type == "array") { o.type = "binary"; var out = (writeSyncXLSX(wb, o)); o.type = "array"; return s2ab(out); }
		return write_zip_typeXLSX(wb, o);
	}

	function writeSync(wb, opts) {
		reset_cp();
		check_wb(wb);
		var o = dup(opts || {});
		if (o.cellStyles) { o.cellNF = true; o.sheetStubs = true; }
		if (o.type == "array") { o.type = "binary"; var out = (writeSync(wb, o)); o.type = "array"; return s2ab(out); }
		var idx = 0;
		if (o.sheet) {
			if (typeof o.sheet == "number") idx = o.sheet;
			else idx = wb.SheetNames.indexOf(o.sheet);
			if (!wb.SheetNames[idx]) throw new Error("Sheet not found: " + o.sheet + " : " + (typeof o.sheet));
		}
		switch (o.bookType || 'xlsb') {
			case 'xml':
			case 'xlml': return write_string_type(write_xlml(wb, o), o);
			case 'slk':
			case 'sylk': return write_string_type(SYLK.from_sheet(wb.Sheets[wb.SheetNames[idx]], o, wb), o);
			case 'htm':
			case 'html': return write_string_type(sheet_to_html(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'txt': return write_stxt_type(sheet_to_txt(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'csv': return write_string_type(sheet_to_csv(wb.Sheets[wb.SheetNames[idx]], o), o, "\ufeff");
			case 'dif': return write_string_type(DIF.from_sheet(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'dbf': return write_binary_type(DBF.from_sheet(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'prn': return write_string_type(PRN.from_sheet(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'rtf': return write_string_type(sheet_to_rtf(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'eth': return write_string_type(ETH.from_sheet(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'fods': return write_string_type(write_ods(wb, o), o);
			case 'wk1': return write_binary_type(WK_.sheet_to_wk1(wb.Sheets[wb.SheetNames[idx]], o), o);
			case 'wk3': return write_binary_type(WK_.book_to_wk3(wb, o), o);
			case 'biff2': if (!o.biff) o.biff = 2; /* falls through */
			case 'biff3': if (!o.biff) o.biff = 3; /* falls through */
			case 'biff4': if (!o.biff) o.biff = 4; return write_binary_type(write_biff_buf(wb, o), o);
			case 'biff5': if (!o.biff) o.biff = 5; /* falls through */
			case 'biff8':
			case 'xla':
			case 'xls': if (!o.biff) o.biff = 8; return write_cfb_type(wb, o);
			case 'xlsx':
			case 'xlsm':
			case 'xlam':
			case 'xlsb':
			case 'numbers':
			case 'ods': return write_zip_type(wb, o);
			default: throw new Error("Unrecognized bookType |" + o.bookType + "|");
		}
	}

	function resolve_book_type(o) {
		if (o.bookType) return;
		var _BT = {
			"xls": "biff8",
			"htm": "html",
			"slk": "sylk",
			"socialcalc": "eth",
			"Sh33tJS": "WTF"
		};
		var ext = o.file.slice(o.file.lastIndexOf(".")).toLowerCase();
		if (ext.match(/^\.[a-z]+$/)) o.bookType = ext.slice(1);
		o.bookType = _BT[o.bookType] || o.bookType;
	}

	function writeFileSync(wb, filename, opts) {
		var o = opts || {}; o.type = 'file';
		o.file = filename;
		resolve_book_type(o);
		return writeSync(wb, o);
	}

	function writeFileSyncXLSX(wb, filename, opts) {
		var o = opts || {}; o.type = 'file';
		o.file = filename;
		resolve_book_type(o);
		return writeSyncXLSX(wb, o);
	}


	function writeFileAsync(filename, wb, opts, cb) {
		var o = opts || {}; o.type = 'file';
		o.file = filename;
		resolve_book_type(o);
		o.type = 'buffer';
		var _cb = cb; if (!(_cb instanceof Function)) _cb = (opts);
		return _fs.writeFile(filename, writeSync(wb, o), _cb);
	}
	function make_json_row(sheet, r, R, cols, header, hdr, o) {
		var rr = encode_row(R);
		var defval = o.defval, raw = o.raw || !Object.prototype.hasOwnProperty.call(o, "raw");
		var isempty = true, dense = (sheet["!data"] != null);
		var row = (header === 1) ? [] : {};
		if (header !== 1) {
			if (Object.defineProperty) try { Object.defineProperty(row, '__rowNum__', { value: R, enumerable: false }); } catch (e) { row.__rowNum__ = R; }
			else row.__rowNum__ = R;
		}
		if (!dense || sheet["!data"][R]) for (var C = r.s.c; C <= r.e.c; ++C) {
			var val = dense ? (sheet["!data"][R] || [])[C] : sheet[cols[C] + rr];
			if (val == null || val.t === undefined) {
				if (defval === undefined) continue;
				if (hdr[C] != null) { row[hdr[C]] = defval; }
				continue;
			}
			var v = val.v;
			switch (val.t) {
				case 'z': if (v == null) break; continue;
				case 'e': v = (v == 0 ? null : void 0); break;
				case 's': case 'b':
				case 'n': if (!val.z || !fmt_is_date(val.z)) break;
					v = numdate(v); // TODO: date1904 setting should also be stored in worksheet object
					if (typeof v == "number") break;
				/* falls through */
				case 'd': if (!(o && (o.UTC || (o.raw === false)))) v = utc_to_local(new Date(v)); break;
				default: throw new Error('unrecognized type ' + val.t);
			}
			if (hdr[C] != null) {
				if (v == null) {
					if (val.t == "e" && v === null) row[hdr[C]] = null;
					else if (defval !== undefined) row[hdr[C]] = defval;
					else if (raw && v === null) row[hdr[C]] = null;
					else continue;
				} else {
					row[hdr[C]] = (val.t === 'n' && typeof o.rawNumbers === 'boolean' ? o.rawNumbers : raw) ? v : format_cell(val, v, o);
				}
				if (v != null) isempty = false;
			}
		}
		return { row: row, isempty: isempty };
	}


	function sheet_to_json(sheet, opts) {
		if (sheet == null || sheet["!ref"] == null) return [];
		var val = { t: 'n', v: 0 }, header = 0, offset = 1, hdr = [], v = 0, vv = "";
		var r = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
		var o = opts || {};
		var range = o.range != null ? o.range : sheet["!ref"];
		if (o.header === 1) header = 1;
		else if (o.header === "A") header = 2;
		else if (Array.isArray(o.header)) header = 3;
		else if (o.header == null) header = 0;
		switch (typeof range) {
			case 'string': r = safe_decode_range(range); break;
			case 'number': r = safe_decode_range(sheet["!ref"]); r.s.r = range; break;
			default: r = range;
		}
		if (header > 0) offset = 0;
		var rr = encode_row(r.s.r);
		var cols = [];
		var out = [];
		var outi = 0, counter = 0;
		var dense = sheet["!data"] != null;
		var R = r.s.r, C = 0;
		var header_cnt = {};
		if (dense && !sheet["!data"][R]) sheet["!data"][R] = [];
		var colinfo = o.skipHidden && sheet["!cols"] || [];
		var rowinfo = o.skipHidden && sheet["!rows"] || [];
		for (C = r.s.c; C <= r.e.c; ++C) {
			if (((colinfo[C] || {}).hidden)) continue;
			cols[C] = encode_col(C);
			val = dense ? sheet["!data"][R][C] : sheet[cols[C] + rr];
			switch (header) {
				case 1: hdr[C] = C - r.s.c; break;
				case 2: hdr[C] = cols[C]; break;
				case 3: hdr[C] = o.header[C - r.s.c]; break;
				default:
					if (val == null) val = { w: "__EMPTY", t: "s" };
					vv = v = format_cell(val, null, o);
					counter = header_cnt[v] || 0;
					if (!counter) header_cnt[v] = 1;
					else {
						do { vv = v + "_" + (counter++); } while (header_cnt[vv]); header_cnt[v] = counter;
						header_cnt[vv] = 1;
					}
					hdr[C] = vv;
			}
		}
		for (R = r.s.r + offset; R <= r.e.r; ++R) {
			if ((rowinfo[R] || {}).hidden) continue;
			var row = make_json_row(sheet, r, R, cols, header, hdr, o);
			if ((row.isempty === false) || (header === 1 ? o.blankrows !== false : !!o.blankrows)) out[outi++] = row.row;
		}
		out.length = outi;
		return out;
	}

	var qreg = /"/g;
	function make_csv_row(sheet, r, R, cols, fs, rs, FS, w, o) {
		var isempty = true;
		var row = [], txt = "", rr = encode_row(R);
		var dense = sheet["!data"] != null;
		var datarow = dense && sheet["!data"][R] || [];
		for (var C = r.s.c; C <= r.e.c; ++C) {
			if (!cols[C]) continue;
			var val = dense ? datarow[C] : sheet[cols[C] + rr];
			if (val == null) txt = "";
			else if (val.v != null) {
				isempty = false;
				txt = '' + (o.rawNumbers && val.t == "n" ? val.v : format_cell(val, null, o));
				for (var i = 0, cc = 0; i !== txt.length; ++i) if ((cc = txt.charCodeAt(i)) === fs || cc === rs || cc === 34 || o.forceQuotes) { txt = "\"" + txt.replace(qreg, '""') + "\""; break; }
				if (txt == "ID" && w == 0 && row.length == 0) txt = '"ID"';
			} else if (val.f != null && !val.F) {
				isempty = false;
				txt = '=' + val.f; if (txt.indexOf(",") >= 0) txt = '"' + txt.replace(qreg, '""') + '"';
			} else txt = "";
			/* NOTE: Excel CSV does not support array formulae */
			row.push(txt);
		}
		if (o.strip) while (row[row.length - 1] === "") --row.length;
		if (o.blankrows === false && isempty) return null;
		return row.join(FS);
	}

	function sheet_to_csv(sheet, opts) {
		var out = [];
		var o = opts == null ? {} : opts;
		if (sheet == null || sheet["!ref"] == null) return "";
		var r = safe_decode_range(sheet["!ref"]);
		var FS = o.FS !== undefined ? o.FS : ",", fs = FS.charCodeAt(0);
		var RS = o.RS !== undefined ? o.RS : "\n", rs = RS.charCodeAt(0);
		var row = "", cols = [];
		var colinfo = o.skipHidden && sheet["!cols"] || [];
		var rowinfo = o.skipHidden && sheet["!rows"] || [];
		for (var C = r.s.c; C <= r.e.c; ++C) if (!((colinfo[C] || {}).hidden)) cols[C] = encode_col(C);
		var w = 0;
		for (var R = r.s.r; R <= r.e.r; ++R) {
			if ((rowinfo[R] || {}).hidden) continue;
			row = make_csv_row(sheet, r, R, cols, fs, rs, FS, w, o);
			if (row == null) { continue; }
			if (row || (o.blankrows !== false)) out.push((w++ ? RS : "") + row);
		}
		return out.join("");
	}

	function sheet_to_txt(sheet, opts) {
		if (!opts) opts = {}; opts.FS = "\t"; opts.RS = "\n";
		var s = sheet_to_csv(sheet, opts);
		if (typeof $cptable == 'undefined' || opts.type == 'string') return s;
		var o = $cptable.utils.encode(1200, s, 'str');
		return String.fromCharCode(255) + String.fromCharCode(254) + o;
	}

	function sheet_to_formulae(sheet, opts) {
		var y = "", x, val = "";
		if (sheet == null || sheet["!ref"] == null) return [];
		var r = safe_decode_range(sheet['!ref']), rr = "", cols = [], C;
		var cmds = [];
		var dense = sheet["!data"] != null;
		for (C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
		for (var R = r.s.r; R <= r.e.r; ++R) {
			rr = encode_row(R);
			for (C = r.s.c; C <= r.e.c; ++C) {
				y = cols[C] + rr;
				x = dense ? (sheet["!data"][R] || [])[C] : sheet[y];
				val = "";
				if (x === undefined) continue;
				else if (x.F != null) {
					y = x.F;
					if (!x.f) continue;
					val = x.f;
					if (y.indexOf(":") == -1) y = y + ":" + y;
				}
				if (x.f != null) val = x.f;
				else if (opts && opts.values === false) continue;
				else if (x.t == 'z') continue;
				else if (x.t == 'n' && x.v != null) val = "" + x.v;
				else if (x.t == 'b') val = x.v ? "TRUE" : "FALSE";
				else if (x.w !== undefined) val = "'" + x.w;
				else if (x.v === undefined) continue;
				else if (x.t == 's') val = "'" + x.v;
				else val = "" + x.v;
				cmds[cmds.length] = y + "=" + val;
			}
		}
		return cmds;
	}

	function sheet_add_json(_ws, js, opts) {
		var o = opts || {};
		var dense = _ws ? (_ws["!data"] != null) : o.dense;
		if (DENSE != null && dense == null) dense = DENSE;
		var offset = +!o.skipHeader;
		var ws = _ws || ({});
		if (!_ws && dense) ws["!data"] = [];
		var _R = 0, _C = 0;
		if (ws && o.origin != null) {
			if (typeof o.origin == 'number') _R = o.origin;
			else {
				var _origin = typeof o.origin == "string" ? decode_cell(o.origin) : o.origin;
				_R = _origin.r; _C = _origin.c;
			}
		}
		var range = ({ s: { c: 0, r: 0 }, e: { c: _C, r: _R + js.length - 1 + offset } });
		if (ws['!ref']) {
			var _range = safe_decode_range(ws['!ref']);
			range.e.c = Math.max(range.e.c, _range.e.c);
			range.e.r = Math.max(range.e.r, _range.e.r);
			if (_R == -1) { _R = _range.e.r + 1; range.e.r = _R + js.length - 1 + offset; }
		} else {
			if (_R == -1) { _R = 0; range.e.r = js.length - 1 + offset; }
		}
		var hdr = o.header || [], C = 0;
		var ROW = [];
		js.forEach(function (JS, R) {
			if (dense && !ws["!data"][_R + R + offset]) ws["!data"][_R + R + offset] = [];
			if (dense) ROW = ws["!data"][_R + R + offset];
			keys(JS).forEach(function (k) {
				if ((C = hdr.indexOf(k)) == -1) hdr[C = hdr.length] = k;
				var v = JS[k];
				var t = 'z';
				var z = "";
				var ref = dense ? "" : (encode_col(_C + C) + encode_row(_R + R + offset));
				var cell = dense ? ROW[_C + C] : ws[ref];
				if (v && typeof v === 'object' && !(v instanceof Date)) {
					if (dense) ROW[_C + C] = v;
					else ws[ref] = v;
				} else {
					if (typeof v == 'number') t = 'n';
					else if (typeof v == 'boolean') t = 'b';
					else if (typeof v == 'string') t = 's';
					else if (v instanceof Date) {
						t = 'd';
						if (!o.UTC) v = local_to_utc(v);
						if (!o.cellDates) { t = 'n'; v = datenum(v); }
						z = (cell != null && cell.z && fmt_is_date(cell.z)) ? cell.z : (o.dateNF || table_fmt[14]);
					}
					else if (v === null && o.nullError) { t = 'e'; v = 0; }
					if (!cell) {
						if (!dense) ws[ref] = cell = ({ t: t, v: v });
						else ROW[_C + C] = cell = ({ t: t, v: v });
					} else {
						cell.t = t; cell.v = v;
						delete cell.w; delete cell.R;
						if (z) cell.z = z;
					}
					if (z) cell.z = z;
				}
			});
		});
		range.e.c = Math.max(range.e.c, _C + hdr.length - 1);
		var __R = encode_row(_R);
		if (dense && !ws["!data"][_R]) ws["!data"][_R] = [];
		if (offset) for (C = 0; C < hdr.length; ++C) {
			if (dense) ws["!data"][_R][C + _C] = { t: 's', v: hdr[C] };
			else ws[encode_col(C + _C) + __R] = { t: 's', v: hdr[C] };
		}
		ws['!ref'] = encode_range(range);
		return ws;
	}
	function json_to_sheet(js, opts) { return sheet_add_json(null, js, opts); }

	/* get cell, creating a stub if necessary */
	function ws_get_cell_stub(ws, R, C) {
		/* A1 cell address */
		if (typeof R == "string") {
			if (ws["!data"] != null) {
				var RC = decode_cell(R);
				if (!ws["!data"][RC.r]) ws["!data"][RC.r] = [];
				return ws["!data"][RC.r][RC.c] || (ws["!data"][RC.r][RC.c] = { t: 'z' });
			}
			return ws[R] || (ws[R] = { t: 'z' });
		}
		/* cell address object */
		if (typeof R != "number") return ws_get_cell_stub(ws, encode_cell(R));
		/* R and C are 0-based indices */
		return ws_get_cell_stub(ws, encode_col(C || 0) + encode_row(R));
	}

	/* find sheet index for given name / validate index */
	function wb_sheet_idx(wb, sh) {
		if (typeof sh == "number") {
			if (sh >= 0 && wb.SheetNames.length > sh) return sh;
			throw new Error("Cannot find sheet # " + sh);
		} else if (typeof sh == "string") {
			var idx = wb.SheetNames.indexOf(sh);
			if (idx > -1) return idx;
			throw new Error("Cannot find sheet name |" + sh + "|");
		} else throw new Error("Cannot find sheet |" + sh + "|");
	}

	/* simple blank or single-sheet workbook object */
	function book_new(ws, wsname) {
		var wb = { SheetNames: [], Sheets: {} };
		if (ws) book_append_sheet(wb, ws, wsname || "Sheet1");
		return wb;
	}

	/* add a worksheet to the end of a given workbook */
	function book_append_sheet(wb, ws, name, roll) {
		var i = 1;
		if (!name) for (; i <= 0xFFFF; ++i, name = undefined) if (wb.SheetNames.indexOf(name = "Sheet" + i) == -1) break;
		if (!name || wb.SheetNames.length >= 0xFFFF) throw new Error("Too many worksheets");
		if (roll && wb.SheetNames.indexOf(name) >= 0 && name.length < 32) {
			var m = name.match(/\d+$/); // at this point, name length is capped at 32
			i = m && +m[0] || 0;
			var root = m && name.slice(0, m.index) || name;
			for (++i; i <= 0xFFFF; ++i) if (wb.SheetNames.indexOf(name = root + i) == -1) break;
		}
		check_ws_name(name);
		if (wb.SheetNames.indexOf(name) >= 0) throw new Error("Worksheet with name |" + name + "| already exists!");

		wb.SheetNames.push(name);
		wb.Sheets[name] = ws;
		return name;
	}

	/* set sheet visibility (visible/hidden/very hidden) */
	function book_set_sheet_visibility(wb, sh, vis) {
		if (!wb.Workbook) wb.Workbook = {};
		if (!wb.Workbook.Sheets) wb.Workbook.Sheets = [];

		var idx = wb_sheet_idx(wb, sh);
		// $FlowIgnore
		if (!wb.Workbook.Sheets[idx]) wb.Workbook.Sheets[idx] = {};

		switch (vis) {
			case 0: case 1: case 2: break;
			default: throw new Error("Bad sheet visibility setting " + vis);
		}
		// $FlowIgnore
		wb.Workbook.Sheets[idx].Hidden = vis;
	}

	/* set number format */
	function cell_set_number_format(cell, fmt) {
		cell.z = fmt;
		return cell;
	}

	/* set cell hyperlink */
	function cell_set_hyperlink(cell, target, tooltip) {
		if (!target) {
			delete cell.l;
		} else {
			cell.l = ({ Target: target });
			if (tooltip) cell.l.Tooltip = tooltip;
		}
		return cell;
	}
	function cell_set_internal_link(cell, range, tooltip) { return cell_set_hyperlink(cell, "#" + range, tooltip); }

	/* add to cell comments */
	function cell_add_comment(cell, text, author) {
		if (!cell.c) cell.c = [];
		cell.c.push({ t: text, a: author || "SheetJS" });
	}

	/* set array formula and flush related cells */
	function sheet_set_array_formula(ws, range, formula, dynamic) {
		var rng = typeof range != "string" ? range : safe_decode_range(range);
		var rngstr = typeof range == "string" ? range : encode_range(range);
		for (var R = rng.s.r; R <= rng.e.r; ++R) for (var C = rng.s.c; C <= rng.e.c; ++C) {
			var cell = ws_get_cell_stub(ws, R, C);
			cell.t = 'n';
			cell.F = rngstr;
			delete cell.v;
			if (R == rng.s.r && C == rng.s.c) {
				cell.f = formula;
				if (dynamic) cell.D = true;
			}
		}
		var wsr = decode_range(ws["!ref"]);
		if (wsr.s.r > rng.s.r) wsr.s.r = rng.s.r;
		if (wsr.s.c > rng.s.c) wsr.s.c = rng.s.c;
		if (wsr.e.r < rng.e.r) wsr.e.r = rng.e.r;
		if (wsr.e.c < rng.e.c) wsr.e.c = rng.e.c;
		ws["!ref"] = encode_range(wsr);
		return ws;
	}

	var utils = {
		encode_col: encode_col,
		encode_row: encode_row,
		encode_cell: encode_cell,
		encode_range: encode_range,
		decode_col: decode_col,
		decode_row: decode_row,
		split_cell: split_cell,
		decode_cell: decode_cell,
		decode_range: decode_range,
		format_cell: format_cell,
		sheet_new: sheet_new,
		sheet_add_aoa: sheet_add_aoa,
		sheet_add_json: sheet_add_json,
		sheet_add_dom: sheet_add_dom,
		aoa_to_sheet: aoa_to_sheet,
		json_to_sheet: json_to_sheet,
		table_to_sheet: parse_dom_table,
		table_to_book: table_to_book,
		sheet_to_csv: sheet_to_csv,
		sheet_to_txt: sheet_to_txt,
		sheet_to_json: sheet_to_json,
		sheet_to_html: sheet_to_html,
		sheet_to_formulae: sheet_to_formulae,
		sheet_to_row_object_array: sheet_to_json,
		sheet_get_cell: ws_get_cell_stub,
		book_new: book_new,
		book_append_sheet: book_append_sheet,
		book_set_sheet_visibility: book_set_sheet_visibility,
		cell_set_number_format: cell_set_number_format,
		cell_set_hyperlink: cell_set_hyperlink,
		cell_set_internal_link: cell_set_internal_link,
		cell_add_comment: cell_add_comment,
		sheet_set_array_formula: sheet_set_array_formula,
		consts: {
			SHEET_VISIBLE: 0,
			SHEET_HIDDEN: 1,
			SHEET_VERY_HIDDEN: 2
		}
	};

	var _Readable;
	function set_readable(R) { _Readable = R; }

	function write_csv_stream(sheet, opts) {
		var stream = _Readable();
		var o = opts == null ? {} : opts;
		if (sheet == null || sheet["!ref"] == null) { stream.push(null); return stream; }
		var r = safe_decode_range(sheet["!ref"]);
		var FS = o.FS !== undefined ? o.FS : ",", fs = FS.charCodeAt(0);
		var RS = o.RS !== undefined ? o.RS : "\n", rs = RS.charCodeAt(0);
		var row = "", cols = [];
		var colinfo = o.skipHidden && sheet["!cols"] || [];
		var rowinfo = o.skipHidden && sheet["!rows"] || [];
		for (var C = r.s.c; C <= r.e.c; ++C) if (!((colinfo[C] || {}).hidden)) cols[C] = encode_col(C);
		var R = r.s.r;
		var BOM = false, w = 0;
		stream._read = function () {
			if (!BOM) { BOM = true; return stream.push("\uFEFF"); }
			while (R <= r.e.r) {
				++R;
				if ((rowinfo[R - 1] || {}).hidden) continue;
				row = make_csv_row(sheet, r, R - 1, cols, fs, rs, FS, w, o);
				if (row != null) {
					if (row || (o.blankrows !== false)) return stream.push((w++ ? RS : "") + row);
				}
			}
			return stream.push(null);
		};
		return stream;
	}

	function write_html_stream(ws, opts) {
		var stream = _Readable();

		var o = opts || {};
		var header = o.header != null ? o.header : HTML_BEGIN;
		var footer = o.footer != null ? o.footer : HTML_END;
		stream.push(header);
		var r = decode_range(ws['!ref']);
		stream.push(make_html_preamble(ws, r, o));
		var R = r.s.r;
		var end = false;
		stream._read = function () {
			if (R > r.e.r) {
				if (!end) { end = true; stream.push("</table>" + footer); }
				return stream.push(null);
			}
			while (R <= r.e.r) {
				stream.push(make_html_row(ws, r, R, o));
				++R;
				break;
			}
		};
		return stream;
	}

	function write_json_stream(sheet, opts) {
		var stream = _Readable({ objectMode: true });

		if (sheet == null || sheet["!ref"] == null) { stream.push(null); return stream; }
		var val = { t: 'n', v: 0 }, header = 0, offset = 1, hdr = [], v = 0, vv = "";
		var r = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
		var o = opts || {};
		var range = o.range != null ? o.range : sheet["!ref"];
		if (o.header === 1) header = 1;
		else if (o.header === "A") header = 2;
		else if (Array.isArray(o.header)) header = 3;
		switch (typeof range) {
			case 'string': r = safe_decode_range(range); break;
			case 'number': r = safe_decode_range(sheet["!ref"]); r.s.r = range; break;
			default: r = range;
		}
		if (header > 0) offset = 0;
		var rr = encode_row(r.s.r);
		var cols = [];
		var counter = 0;
		var dense = sheet["!data"] != null;
		var R = r.s.r, C = 0;
		var header_cnt = {};
		if (dense && !sheet["!data"][R]) sheet["!data"][R] = [];
		var colinfo = o.skipHidden && sheet["!cols"] || [];
		var rowinfo = o.skipHidden && sheet["!rows"] || [];
		for (C = r.s.c; C <= r.e.c; ++C) {
			if (((colinfo[C] || {}).hidden)) continue;
			cols[C] = encode_col(C);
			val = dense ? sheet["!data"][R][C] : sheet[cols[C] + rr];
			switch (header) {
				case 1: hdr[C] = C - r.s.c; break;
				case 2: hdr[C] = cols[C]; break;
				case 3: hdr[C] = o.header[C - r.s.c]; break;
				default:
					if (val == null) val = { w: "__EMPTY", t: "s" };
					vv = v = format_cell(val, null, o);
					counter = header_cnt[v] || 0;
					if (!counter) header_cnt[v] = 1;
					else {
						do { vv = v + "_" + (counter++); } while (header_cnt[vv]); header_cnt[v] = counter;
						header_cnt[vv] = 1;
					}
					hdr[C] = vv;
			}
		}
		R = r.s.r + offset;
		stream._read = function () {
			while (R <= r.e.r) {
				if ((rowinfo[R - 1] || {}).hidden) continue;
				var row = make_json_row(sheet, r, R, cols, header, hdr, o);
				++R;
				if ((row.isempty === false) || (header === 1 ? o.blankrows !== false : !!o.blankrows)) {
					stream.push(row.row);
					return;
				}
			}
			return stream.push(null);
		};
		return stream;
	}

	function write_xlml_stream(wb, o) {
		var stream = _Readable();
		var opts = o == null ? {} : o;
		var stride = +opts.stride || 10;
		if (!wb.SSF) wb.SSF = dup(table_fmt);
		if (wb.SSF) {
			make_ssf(); SSF_load_table(wb.SSF);
			// $FlowIgnore
			opts.revssf = evert_num(wb.SSF); opts.revssf[wb.SSF[65535]] = 0;
			opts.ssf = wb.SSF;
			opts.cellXfs = [];
			get_cell_style(opts.cellXfs, {}, { revssf: { "General": 0 } });
		}

		/* do one pass to determine styles since they must be added before tables */
		wb.SheetNames.forEach(function (n) {
			var ws = wb.Sheets[n];
			if (!ws || !ws["!ref"]) return;
			var range = decode_range(ws["!ref"]);
			var dense = ws["!data"] != null;
			var ddata = dense ? ws["!data"] : [];
			var addr = { r: 0, c: 0 };
			for (var R = range.s.r; R <= range.e.r; ++R) {
				addr.r = R;
				if (dense && !ddata[R]) continue;
				for (var C = range.s.c; C <= range.e.c; ++C) {
					addr.c = C;
					var cell = dense ? ddata[R][C] : ws[encode_col(C) + encode_row(R)];
					if (!cell) continue;
					if (cell.t == "d" && cell.z == null) { cell = dup(cell); cell.z = table_fmt[14]; }
					void get_cell_style(opts.cellXfs, cell, opts);
				}
			}
		});
		var sty = write_sty_xlml(wb, opts);

		var stage = 0, wsidx = 0, ws = wb.Sheets[wb.SheetNames[wsidx]], range = safe_decode_range(ws), R = -1, T = false;

		var marr = [], mi = 0, dense = false, darr = [], addr = { r: 0, c: 0 };

		stream._read = function () {
			switch (stage) {
				/* header */
				case 0: {
					stage = 1;
					stream.push(XML_HEADER);
					stream.push("<Workbook" + wxt_helper({
						'xmlns': XLMLNS.ss,
						'xmlns:o': XLMLNS.o,
						'xmlns:x': XLMLNS.x,
						'xmlns:ss': XLMLNS.ss,
						'xmlns:dt': XLMLNS.dt,
						'xmlns:html': XLMLNS.html
					}) + ">");
				} break;

				/* preamble */
				case 1: {
					stage = 2;
					stream.push(write_props_xlml(wb, opts));
					stream.push(write_wb_xlml(wb, opts));
				} break;

				/* style and name tables */
				case 2: {
					stage = 3;
					stream.push(sty);
					stream.push(write_names_xlml(wb, opts));
				} break;

				/* worksheet preamble */
				case 3: {
					T = false;
					if (wsidx >= wb.SheetNames.length) { stage = -1; stream.push(""); break; }

					stream.push("<Worksheet" + wxt_helper({ "ss:Name": escapexml(wb.SheetNames[wsidx]) }) + ">");

					ws = wb.Sheets[wb.SheetNames[wsidx]];
					if (!ws) { stream.push("</Worksheet>"); return void ++wsidx; }

					var names = write_ws_xlml_names(ws, opts, wsidx, wb);
					if (names.length) stream.push("<Names>" + names + "</Names>");

					if (!ws["!ref"]) return (stage = 5);
					range = safe_decode_range(ws["!ref"]);
					R = range.s.r;
					stage = 4;
				} break;

				/* worksheet intramble */
				case 4: {
					if (R < 0 || R > range.e.r) { if (T) stream.push("</Table>"); return void (stage = 5); }

					if (R <= range.s.r) {
						if (ws['!cols']) ws['!cols'].forEach(function (n, i) {
							process_col(n);
							var w = !!n.width;
							var p = col_obj_w(i, n);
							var k = { "ss:Index": i + 1 };
							if (w) k['ss:Width'] = width2px(p.width);
							if (n.hidden) k['ss:Hidden'] = "1";
							if (!T) { T = true; stream.push("<Table>"); }
							stream.push(writextag("Column", null, k));
						});
						dense = ws["!data"] != null;
						if (dense) darr = ws["!data"];
						addr.r = addr.c = 0;
					}

					/* process `stride` rows per invocation */
					for (var cnt = 0; R <= range.e.r && cnt < stride; ++R, ++cnt) {
						var row = [write_ws_xlml_row(R, (ws['!rows'] || [])[R])];
						addr.r = R;
						if (!(dense && !darr[R])) for (var C = range.s.c; C <= range.e.c; ++C) {
							addr.c = C;
							var skip = false;
							for (mi = 0; mi != marr.length; ++mi) {
								if (marr[mi].s.c > C) continue;
								if (marr[mi].s.r > R) continue;
								if (marr[mi].e.c < C) continue;
								if (marr[mi].e.r < R) continue;
								if (marr[mi].s.c != C || marr[mi].s.r != R) skip = true;
								break;
							}
							if (skip) continue;
							var ref = encode_col(C) + encode_row(R), cell = dense ? darr[R][C] : ws[ref];
							row.push(write_ws_xlml_cell(cell, ref, ws, opts, wsidx, wb, addr));
						}
						row.push("</Row>");
						if (!T) { T = true; stream.push("<Table>"); }
						stream.push(row.join(""));
					}
				} break;

				/* worksheet postamble */
				case 5: {
					stream.push(write_ws_xlml_wsopts(ws, opts, wsidx, wb));
					if (ws && ws["!autofilter"]) stream.push('<AutoFilter x:Range="' + a1_to_rc(fix_range(ws["!autofilter"].ref), { r: 0, c: 0 }) + '" xmlns="urn:schemas-microsoft-com:office:excel"></AutoFilter>');
					stream.push("</Worksheet>");
					wsidx++; R = -1;
					return void (stage = 3);
				}

				/* footer */
				case -1: {
					stage = -2;
					stream.push("</Workbook>");
				} break;

				/* exeunt */
				case -2: stream.push(null); break;
			}
		};
		return stream;
	}

	var __stream = {
		to_json: write_json_stream,
		to_html: write_html_stream,
		to_csv: write_csv_stream,
		to_xlml: write_xlml_stream,
		set_readable: set_readable
	};
	if (typeof parse_xlscfb !== "undefined") XLSX.parse_xlscfb = parse_xlscfb;
	XLSX.parse_zip = parse_zip;
	XLSX.read = readSync; //xlsread
	XLSX.readFile = readFileSync; //readFile
	XLSX.readFileSync = readFileSync;
	XLSX.write = writeSync;
	XLSX.writeFile = writeFileSync;
	XLSX.writeFileSync = writeFileSync;
	XLSX.writeFileAsync = writeFileAsync;
	XLSX.utils = utils;
	XLSX.writeXLSX = writeSyncXLSX;
	XLSX.writeFileXLSX = writeFileSyncXLSX;
	XLSX.set_fs = set_fs;
	XLSX.set_cptable = set_cptable;
	XLSX.SSF = SSF;
	if (typeof __stream !== "undefined") XLSX.stream = __stream;
	if (typeof CFB !== "undefined") XLSX.CFB = CFB;
	if (typeof require !== "undefined") {
		var strmod = require('stream');
		if ((strmod || {}).Readable) set_readable(strmod.Readable);
		try { _fs = require('fs'); } catch (e) { }
	}
}
/*global define */
if (typeof exports !== 'undefined') make_xlsx_lib(exports);
else if (typeof module !== 'undefined' && module.exports) make_xlsx_lib(module.exports);
else if (typeof define === 'function' && define.amd) define('xlsx', function () { if (!XLSX.version) make_xlsx_lib(XLSX); return XLSX; });
else make_xlsx_lib(XLSX);
/* NOTE: the following extra line is needed for "Lightning Locker Service" */
if (typeof window !== 'undefined' && !window.XLSX) try { window.XLSX = XLSX; } catch (e) { }