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RELS.CS = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chartsheet";
var CS_XML_ROOT = writextag('chartsheet', null, {	'xmlns': XMLNS.main[0],	'xmlns:r': XMLNS.r});
/* 18.3 Worksheets also covers Chartsheets */function parse_cs_xml(data/*:?string*/, opts, idx/*:number*/, rels, wb/*::, themes, styles*/)/*:Worksheet*/ {	if(!data) return data;	/* 18.3.1.12 chartsheet CT_ChartSheet */	if(!rels) rels = {'!id':{}};	var s = ({'!type':"chart", '!drawel':null, '!rel':""}/*:any*/);	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/*:number*/, opts, wb/*:Workbook*/, rels)/*:string*/ {	var o = [XML_HEADER, CS_XML_ROOT];	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/*:number*/) {	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/*:number*/, rels, wb/*::, themes, styles*/)/*:Worksheet*/ {	if(!data) return data;	if(!rels) rels = {'!id':{}};	var s = {'!type':"chart", '!drawel':null, '!rel':""};	var state/*:Array<string>*/ = [];	var pass = false;	recordhopper(data, function cs_parse(val, R_n, 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(R_n); break;			case 0x0026: /* 'BrtACEnd' */				state.pop(); break;
			default:				if((R_n||"").indexOf("Begin") > 0) state.push(R_n);				else if((R_n||"").indexOf("End") > 0) state.pop();				else if(!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R_n);		}	}, opts);
	if(rels['!id'][s['!rel']]) s['!drawel'] = rels['!id'][s['!rel']];	return s;}function write_cs_bin(/*::idx:number, opts, wb:Workbook, rels*/) {	var ba = buf_array();	write_record(ba, "BrtBeginSheet");	/* [BrtCsProp] */	/* CSVIEWS */	/* [[BrtCsProtectionIso] BrtCsProtection] */	/* [USERCSVIEWS] */	/* [BrtMargins] */	/* [BrtCsPageSetup] */	/* [HEADERFOOTER] */	/* BrtDrawing */	/* [BrtLegacyDrawing] */	/* [BrtLegacyDrawingHF] */	/* [BrtBkHim] */	/* [WEBPUBITEMS] */	/* FRTCHARTSHEET */	write_record(ba, "BrtEndSheet");	return ba.end();}