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mi",output:"sinh",ttype:UNARY,func:true},{input:"\\sup",tag:"mo",output:"sup",ttype:UNDEROVER},{input:"\\tan",tag:"mi",output:"tan",ttype:UNARY,func:true},{input:"\\tanh",tag:"mi",output:"tanh",ttype:UNARY,func:true},{input:"\\gets",tag:"mo",output:"\u2190",ttype:CONST},{input:"\\leftarrow",tag:"mo",output:"\u2190",ttype:CONST},{input:"\\to",tag:"mo",output:"\u2192",ttype:CONST},{input:"\\rightarrow",tag:"mo",output:"\u2192",ttype:CONST},{input:"\\leftrightarrow",tag:"mo",output:"\u2194",ttype:CONST},{input:"\\uparrow",tag:"mo",output:"\u2191",ttype:CONST},{input:"\\downarrow",tag:"mo",output:"\u2193",ttype:CONST},{input:"\\updownarrow",tag:"mo",output:"\u2195",ttype:CONST},{input:"\\Leftarrow",tag:"mo",output:"\u21D0",ttype:CONST},{input:"\\Rightarrow",tag:"mo",output:"\u21D2",ttype:CONST},{input:"\\Leftrightarrow",tag:"mo",output:"\u21D4",ttype:CONST},{input:"\\iff",tag:"mo",output:"~\\Longleftrightarrow~",ttype:DEFINITION},{input:"\\Uparrow",tag:"mo",output:"\u21D1",ttype:CONST},{input:"\\Downarrow",tag:"mo",output:"\u21D3",ttype:CONST},{input:"\\Updownarrow",tag:"mo",output:"\u21D5",ttype:CONST},{input:"\\mapsto",tag:"mo",output:"\u21A6",ttype:CONST},{input:"\\longleftarrow",tag:"mo",output:"\u2190",ttype:LONG},{input:"\\longrightarrow",tag:"mo",output:"\u2192",ttype:LONG},{input:"\\longleftrightarrow",tag:"mo",output:"\u2194",ttype:LONG},{input:"\\Longleftarrow",tag:"mo",output:"\u21D0",ttype:LONG},{input:"\\Longrightarrow",tag:"mo",output:"\u21D2",ttype:LONG},{input:"\\Longleftrightarrow",tag:"mo",output:"\u21D4",ttype:LONG},{input:"\\longmapsto",tag:"mo",output:"\u21A6",ttype:CONST},AMsqrt,AMroot,AMfrac,AMover,AMsub,AMsup,AMtext,AMmbox,AMatop,AMchoose,{input:"\\acute",tag:"mover",output:"\u00B4",ttype:UNARY,acc:true},{input:"\\grave",tag:"mover",output:"\u0060",ttype:UNARY,acc:true},{input:"\\breve",tag:"mover",output:"\u02D8",ttype:UNARY,acc:true},{input:"\\check",tag:"mover",output:"\u02C7",ttype:UNARY,acc:true},{input:"\\dot",tag:"mover",output:".",ttype:UNARY,acc:true},{input:"\\ddot",tag:"mover",output:"..",ttype:UNARY,acc:true},{input:"\\mathring",tag:"mover",output:"\u00B0",ttype:UNARY,acc:true},{input:"\\vec",tag:"mover",output:"\u20D7",ttype:UNARY,acc:true},{input:"\\overrightarrow",tag:"mover",output:"\u20D7",ttype:UNARY,acc:true},{input:"\\overleftarrow",tag:"mover",output:"\u20D6",ttype:UNARY,acc:true},{input:"\\hat",tag:"mover",output:"\u005E",ttype:UNARY,acc:true},{input:"\\widehat",tag:"mover",output:"\u0302",ttype:UNARY,acc:true},{input:"\\tilde",tag:"mover",output:"~",ttype:UNARY,acc:true},{input:"\\widetilde",tag:"mover",output:"\u02DC",ttype:UNARY,acc:true},{input:"\\bar",tag:"mover",output:"\u203E",ttype:UNARY,acc:true},{input:"\\overbrace",tag:"mover",output:"\uFE37",ttype:UNARY,acc:true},{input:"\\overbracket",tag:"mover",output:"\u23B4",ttype:UNARY,acc:true},{input:"\\overline",tag:"mover",output:"\u00AF",ttype:UNARY,acc:true},{input:"\\underbrace",tag:"munder",output:"\uFE38",ttype:UNARY,acc:true},{input:"\\underbracket",tag:"munder",output:"\u23B5",ttype:UNARY,acc:true},{input:"\\underline",tag:"munder",output:"\u00AF",ttype:UNARY,acc:true},{input:"\\displaystyle",tag:"mstyle",atname:"displaystyle",atval:"true",ttype:UNARY},{input:"\\textstyle",tag:"mstyle",atname:"displaystyle",atval:"false",ttype:UNARY},{input:"\\scriptstyle",tag:"mstyle",atname:"scriptlevel",atval:"1",ttype:UNARY},{input:"\\scriptscriptstyle",tag:"mstyle",atname:"scriptlevel",atval:"2",ttype:UNARY},{input:"\\textrm",tag:"mstyle",output:"\\mathrm",ttype:DEFINITION},{input:"\\mathbf",tag:"mstyle",atname:"mathvariant",atval:"bold",ttype:UNARY},{input:"\\textbf",tag:"mstyle",atname:"mathvariant",atval:"bold",ttype:UNARY},{input:"\\mathit",tag:"mstyle",atname:"mathvariant",atval:"italic",ttype:UNARY},{input:"\\textit",tag:"mstyle",atname:"mathvariant",atval:"italic",ttype:UNARY},{input:"\\mathtt",tag:"mstyle",atname:"mathvariant",atval:"monospace",ttype:UNARY},{input:"\\texttt",tag:"mstyle",atname:"mathvariant",atval:"monospace",ttype:UNARY},{input:"\\mathsf",tag:"mstyle",atname:"mathvariant",atval:"sans-serif",ttype:UNARY},{input:"\\mathbb",tag:"mstyle",atname:"mathvariant",atval:"double-struck",ttype:UNARY,codes:AMbbb},{input:"\\mathcal",tag:"mstyle",atname:"mathvariant",atval:"script",ttype:UNARY,codes:AMcal},{input:"\\mathfrak",tag:"mstyle",atname:"mathvariant",atval:"fraktur",ttype:UNARY,codes:AMfrk},{input:"\\textcolor",tag:"mstyle",atname:"mathvariant",atval:"mathcolor",ttype:BINARY},{input:"\\colorbox",tag:"mstyle",atname:"mathvariant",atval:"background",ttype:BINARY}];function compareNames(s1,s2){if(s1.input>s2.input)return 1
 +  else return-1;}
 +  var AMnames=[];function AMinitSymbols(){AMsymbols.sort(compareNames);for(i=0;i<AMsymbols.length;i++)AMnames[i]=AMsymbols[i].input;}
 +  var AMmathml="http://www.w3.org/1998/Math/MathML";function AMcreateElementMathML(t){if(isIE)return document.createElement("m:"+t);else return document.createElementNS(AMmathml,t);}
 +  function AMcreateMmlNode(t,frag){if(isIE)var node=document.createElement("m:"+t);else var node=document.createElementNS(AMmathml,t);node.appendChild(frag);return node;}
 +  function newcommand(oldstr,newstr){AMsymbols=AMsymbols.concat([{input:oldstr,tag:"mo",output:newstr,ttype:DEFINITION}]);}
 +  function AMremoveCharsAndBlanks(str,n){var st;st=str.slice(n);for(var i=0;i<st.length&&st.charCodeAt(i)<=32;i=i+1);return st.slice(i);}
 +  function AMposition(arr,str,n){if(n==0){var h,m;n=-1;h=arr.length;while(n+1<h){m=(n+h)>>1;if(arr[m]<str)n=m;else h=m;}
 +  return h;}else
 +  for(var i=n;i<arr.length&&arr[i]<str;i++);return i;}
 +  function AMgetSymbol(str){var k=0;var j=0;var mk;var st;var tagst;var match="";var more=true;for(var i=1;i<=str.length&&more;i++){st=str.slice(0,i);j=k;k=AMposition(AMnames,st,j);if(k<AMnames.length&&str.slice(0,AMnames[k].length)==AMnames[k]){match=AMnames[k];mk=k;i=match.length;}
 +  more=k<AMnames.length&&str.slice(0,AMnames[k].length)>=AMnames[k];}
 +  AMpreviousSymbol=AMcurrentSymbol;if(match!=""){AMcurrentSymbol=AMsymbols[mk].ttype;return AMsymbols[mk];}
 +  AMcurrentSymbol=CONST;k=1;st=str.slice(0,1);if("0"<=st&&st<="9")tagst="mn";else tagst=(("A">st||st>"Z")&&("a">st||st>"z")?"mo":"mi");return{input:st,tag:tagst,output:st,ttype:CONST};}
 +  var AMpreviousSymbol,AMcurrentSymbol;function AMparseSexpr(str){var symbol,node,result,result2,i,st,newFrag=document.createDocumentFragment();str=AMremoveCharsAndBlanks(str,0);symbol=AMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET)
 +  return[null,str,null];if(symbol.ttype==DEFINITION){str=symbol.output+AMremoveCharsAndBlanks(str,symbol.input.length);symbol=AMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET)
 +  return[null,str,null];}
 +  str=AMremoveCharsAndBlanks(str,symbol.input.length);switch(symbol.ttype){case SPACE:node=AMcreateElementMathML(symbol.tag);node.setAttribute(symbol.atname,symbol.atval);return[node,str,symbol.tag];case UNDEROVER:if(isIE){if(symbol.input.substr(0,4)=="\\big"){str="\\"+symbol.input.substr(4)+str;symbol=AMgetSymbol(str);symbol.ttype=UNDEROVER;str=AMremoveCharsAndBlanks(str,symbol.input.length);}}
 +  return[AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];case CONST:var output=symbol.output;if(isIE){if(symbol.input=="'")
 +  output="\u2032";else if(symbol.input=="''")
 +  output="\u2033";else if(symbol.input=="'''")
 +  output="\u2033\u2032";else if(symbol.input=="''''")
 +  output="\u2033\u2033";else if(symbol.input=="\\square")
 +  output="\u25A1";else if(symbol.input.substr(0,5)=="\\frac"){var denom=symbol.input.substr(6,1);if(denom=="5"||denom=="6"){str=symbol.input.replace(/\\frac/,"\\frac ")+str;return[node,str,symbol.tag];}}}
 +  node=AMcreateMmlNode(symbol.tag,document.createTextNode(output));return[node,str,symbol.tag];case LONG:node=AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output));node.setAttribute("minsize","1.5");node.setAttribute("maxsize","1.5");node=AMcreateMmlNode("mover",node);node.appendChild(AMcreateElementMathML("mspace"));return[node,str,symbol.tag];case STRETCHY:if(isIE&&symbol.input=="\\backslash")
 +  symbol.output="\\";node=AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output));if(symbol.input=="|"||symbol.input=="\\vert"||symbol.input=="\\|"||symbol.input=="\\Vert"){node.setAttribute("lspace","0em");node.setAttribute("rspace","0em");}
 +  node.setAttribute("maxsize",symbol.atval);if(symbol.rtag!=null)
 +  return[node,str,symbol.rtag];else
 +  return[node,str,symbol.tag];case BIG:var atval=symbol.atval;if(isIE)
 +  atval=symbol.ieval;symbol=AMgetSymbol(str);if(symbol==null)
 +  return[null,str,null];str=AMremoveCharsAndBlanks(str,symbol.input.length);node=AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output));if(isIE){var space=AMcreateElementMathML("mspace");space.setAttribute("height",atval+"ex");node=AMcreateMmlNode("mrow",node);node.appendChild(space);}else{node.setAttribute("minsize",atval);node.setAttribute("maxsize",atval);}
 +  return[node,str,symbol.tag];case LEFTBRACKET:if(symbol.input=="\\left"){symbol=AMgetSymbol(str);if(symbol!=null){if(symbol.input==".")
 +  symbol.invisible=true;str=AMremoveCharsAndBlanks(str,symbol.input.length);}}
 +  result=AMparseExpr(str,true,false);if(symbol==null||(typeof symbol.invisible=="boolean"&&symbol.invisible))
 +  node=AMcreateMmlNode("mrow",result[0]);else{node=AMcreateMmlNode("mo",document.createTextNode(symbol.output));node=AMcreateMmlNode("mrow",node);node.appendChild(result[0]);}
 +  return[node,result[1],result[2]];case MATRIX:if(symbol.input=="\\begin{array}"){var mask="";symbol=AMgetSymbol(str);str=AMremoveCharsAndBlanks(str,0);if(symbol==null)
 +  mask="l";else{str=AMremoveCharsAndBlanks(str,symbol.input.length);if(symbol.input!="{")
 +  mask="l";else do{symbol=AMgetSymbol(str);if(symbol!=null){str=AMremoveCharsAndBlanks(str,symbol.input.length);if(symbol.input!="}")
 +  mask=mask+symbol.input;}}while(symbol!=null&&symbol.input!=""&&symbol.input!="}");}
 +  result=AMparseExpr("{"+str,true,true);node=AMcreateMmlNode("mtable",result[0]);mask=mask.replace(/l/g,"left ");mask=mask.replace(/r/g,"right ");mask=mask.replace(/c/g,"center ");node.setAttribute("columnalign",mask);node.setAttribute("displaystyle","false");if(isIE)
 +  return[node,result[1],null];var lspace=AMcreateElementMathML("mspace");lspace.setAttribute("width","0.167em");var rspace=AMcreateElementMathML("mspace");rspace.setAttribute("width","0.167em");var node1=AMcreateMmlNode("mrow",lspace);node1.appendChild(node);node1.appendChild(rspace);return[node1,result[1],null];}else{result=AMparseExpr("{"+str,true,true);node=AMcreateMmlNode("mtable",result[0]);if(isIE)
 +  node.setAttribute("columnspacing","0.25em");else
 +  node.setAttribute("columnspacing","0.167em");node.setAttribute("columnalign","right center left");node.setAttribute("displaystyle","true");node=AMcreateMmlNode("mrow",node);return[node,result[1],null];}
 +  case TEXT:if(str.charAt(0)=="{")i=str.indexOf("}");else i=0;if(i==-1)
 +  i=str.length;st=str.slice(1,i);if(st.charAt(0)==" "){node=AMcreateElementMathML("mspace");node.setAttribute("width","0.33em");newFrag.appendChild(node);}
 +  newFrag.appendChild(AMcreateMmlNode(symbol.tag,document.createTextNode(st)));if(st.charAt(st.length-1)==" "){node=AMcreateElementMathML("mspace");node.setAttribute("width","0.33em");newFrag.appendChild(node);}
 +  str=AMremoveCharsAndBlanks(str,i+1);return[AMcreateMmlNode("mrow",newFrag),str,null];case UNARY:result=AMparseSexpr(str);if(result[0]==null)return[AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];if(typeof symbol.func=="boolean"&&symbol.func){st=str.charAt(0);if(st=="^"||st=="_"||st==","){return[AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];}else{node=AMcreateMmlNode("mrow",AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output)));if(isIE){var space=AMcreateElementMathML("mspace");space.setAttribute("width","0.167em");node.appendChild(space);}
 +  node.appendChild(result[0]);return[node,result[1],symbol.tag];}}
 +  if(symbol.input=="\\sqrt"){if(isIE){var space=AMcreateElementMathML("mspace");space.setAttribute("height","1.2ex");space.setAttribute("width","0em");node=AMcreateMmlNode(symbol.tag,result[0])
 +  node.appendChild(space);return[node,result[1],symbol.tag];}else
 +  return[AMcreateMmlNode(symbol.tag,result[0]),result[1],symbol.tag];}else if(typeof symbol.acc=="boolean"&&symbol.acc){node=AMcreateMmlNode(symbol.tag,result[0]);var output=symbol.output;if(isIE){if(symbol.input=="\\hat")
 +  output="\u0302";else if(symbol.input=="\\widehat")
 +  output="\u005E";else if(symbol.input=="\\bar")
 +  output="\u00AF";else if(symbol.input=="\\grave")
 +  output="\u0300";else if(symbol.input=="\\tilde")
 +  output="\u0303";}
 +  var node1=AMcreateMmlNode("mo",document.createTextNode(output));if(symbol.input=="\\vec"||symbol.input=="\\check")
 +  node1.setAttribute("maxsize","1.2");if(isIE&&symbol.input=="\\bar")
 +  node1.setAttribute("maxsize","0.5");if(symbol.input=="\\underbrace"||symbol.input=="\\underline")
 +  node1.setAttribute("accentunder","true");else
 +  node1.setAttribute("accent","true");node.appendChild(node1);if(symbol.input=="\\overbrace"||symbol.input=="\\underbrace")
 +  node.ttype=UNDEROVER;return[node,result[1],symbol.tag];}else{if(!isIE&&typeof symbol.codes!="undefined"){for(i=0;i<result[0].childNodes.length;i++)
 +  if(result[0].childNodes[i].nodeName=="mi"||result[0].nodeName=="mi"){st=(result[0].nodeName=="mi"?result[0].firstChild.nodeValue:result[0].childNodes[i].firstChild.nodeValue);var newst=[];for(var j=0;j<st.length;j++)
 +  if(st.charCodeAt(j)>64&&st.charCodeAt(j)<91)newst=newst+
 +  String.fromCharCode(symbol.codes[st.charCodeAt(j)-65]);else newst=newst+st.charAt(j);if(result[0].nodeName=="mi")
 +  result[0]=AMcreateElementMathML("mo").appendChild(document.createTextNode(newst));else result[0].replaceChild(AMcreateElementMathML("mo").appendChild(document.createTextNode(newst)),result[0].childNodes[i]);}}
 +  node=AMcreateMmlNode(symbol.tag,result[0]);node.setAttribute(symbol.atname,symbol.atval);if(symbol.input=="\\scriptstyle"||symbol.input=="\\scriptscriptstyle")
 +  node.setAttribute("displaystyle","false");return[node,result[1],symbol.tag];}
 +  case BINARY:result=AMparseSexpr(str);if(result[0]==null)return[AMcreateMmlNode("mo",document.createTextNode(symbol.input)),str,null];result2=AMparseSexpr(result[1]);if(result2[0]==null)return[AMcreateMmlNode("mo",document.createTextNode(symbol.input)),str,null];if(symbol.input=="\\textcolor"||symbol.input=="\\colorbox"){var tclr=str.match(/\{\s*([#\w]+)\s*\}/);str=str.replace(/\{\s*[#\w]+\s*\}/,"");if(tclr!=null){if(IsColorName.test(tclr[1].toLowerCase())){tclr=LaTeXColor[tclr[1].toLowerCase()];}else{tclr=tclr[1];}
 +  node=AMcreateElementMathML("mstyle");node.setAttribute(symbol.atval,tclr);node.appendChild(result2[0]);return[node,result2[1],symbol.tag];}}
 +  if(symbol.input=="\\root"||symbol.input=="\\stackrel")newFrag.appendChild(result2[0]);newFrag.appendChild(result[0]);if(symbol.input=="\\frac")newFrag.appendChild(result2[0]);return[AMcreateMmlNode(symbol.tag,newFrag),result2[1],symbol.tag];case INFIX:str=AMremoveCharsAndBlanks(str,symbol.input.length);return[AMcreateMmlNode("mo",document.createTextNode(symbol.output)),str,symbol.tag];default:return[AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];}}
 +  function AMparseIexpr(str){var symbol,sym1,sym2,node,result,tag,underover;str=AMremoveCharsAndBlanks(str,0);sym1=AMgetSymbol(str);result=AMparseSexpr(str);node=result[0];str=result[1];tag=result[2];symbol=AMgetSymbol(str);if(symbol.ttype==INFIX){str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseSexpr(str);if(result[0]==null)
 +  result[0]=AMcreateMmlNode("mo",document.createTextNode("\u25A1"));str=result[1];tag=result[2];if(symbol.input=="_"||symbol.input=="^"){sym2=AMgetSymbol(str);tag=null;underover=((sym1.ttype==UNDEROVER)||(node.ttype==UNDEROVER));if(symbol.input=="_"&&sym2.input=="^"){str=AMremoveCharsAndBlanks(str,sym2.input.length);var res2=AMparseSexpr(str);str=res2[1];tag=res2[2];node=AMcreateMmlNode((underover?"munderover":"msubsup"),node);node.appendChild(result[0]);node.appendChild(res2[0]);}else if(symbol.input=="_"){node=AMcreateMmlNode((underover?"munder":"msub"),node);node.appendChild(result[0]);}else{node=AMcreateMmlNode((underover?"mover":"msup"),node);node.appendChild(result[0]);}
 +  node=AMcreateMmlNode("mrow",node);}else{node=AMcreateMmlNode(symbol.tag,node);if(symbol.input=="\\atop"||symbol.input=="\\choose")
 +  node.setAttribute("linethickness","0ex");node.appendChild(result[0]);if(symbol.input=="\\choose")
 +  node=AMcreateMmlNode("mfenced",node);}}
 +  return[node,str,tag];}
 +  function AMparseExpr(str,rightbracket,matrix){var symbol,node,result,i,tag,newFrag=document.createDocumentFragment();do{str=AMremoveCharsAndBlanks(str,0);result=AMparseIexpr(str);node=result[0];str=result[1];tag=result[2];symbol=AMgetSymbol(str);if(node!=undefined){if((tag=="mn"||tag=="mi")&&symbol!=null&&typeof symbol.func=="boolean"&&symbol.func){var space=AMcreateElementMathML("mspace");space.setAttribute("width","0.167em");node=AMcreateMmlNode("mrow",node);node.appendChild(space);}
 +  newFrag.appendChild(node);}}while((symbol.ttype!=RIGHTBRACKET)&&symbol!=null&&symbol.output!="");tag=null;if(symbol.ttype==RIGHTBRACKET){if(symbol.input=="\\right"){str=AMremoveCharsAndBlanks(str,symbol.input.length);symbol=AMgetSymbol(str);if(symbol!=null&&symbol.input==".")
 +  symbol.invisible=true;if(symbol!=null)
 +  tag=symbol.rtag;}
 +  if(symbol!=null)
 +  str=AMremoveCharsAndBlanks(str,symbol.input.length);var len=newFrag.childNodes.length;if(matrix&&len>0&&newFrag.childNodes[len-1].nodeName=="mrow"&&len>1&&newFrag.childNodes[len-2].nodeName=="mo"&&newFrag.childNodes[len-2].firstChild.nodeValue=="&"){var pos=[];var m=newFrag.childNodes.length;for(i=0;matrix&&i<m;i=i+2){pos[i]=[];node=newFrag.childNodes[i];for(var j=0;j<node.childNodes.length;j++)
 +  if(node.childNodes[j].firstChild.nodeValue=="&")
 +  pos[i][pos[i].length]=j;}
 +  var row,frag,n,k,table=document.createDocumentFragment();for(i=0;i<m;i=i+2){row=document.createDocumentFragment();frag=document.createDocumentFragment();node=newFrag.firstChild;n=node.childNodes.length;k=0;for(j=0;j<n;j++){if(typeof pos[i][k]!="undefined"&&j==pos[i][k]){node.removeChild(node.firstChild);row.appendChild(AMcreateMmlNode("mtd",frag));k++;}else frag.appendChild(node.firstChild);}
 +  row.appendChild(AMcreateMmlNode("mtd",frag));if(newFrag.childNodes.length>2){newFrag.removeChild(newFrag.firstChild);newFrag.removeChild(newFrag.firstChild);}
 +  table.appendChild(AMcreateMmlNode("mtr",row));}
 +  return[table,str];}
 +  if(typeof symbol.invisible!="boolean"||!symbol.invisible){node=AMcreateMmlNode("mo",document.createTextNode(symbol.output));newFrag.appendChild(node);}}
 +  return[newFrag,str,tag];}
 +  function AMparseMath(str){var result,node=AMcreateElementMathML("mstyle");var cclr=str.match(/\\color\s*\{\s*([#\w]+)\s*\}/);str=str.replace(/\\color\s*\{\s*[#\w]+\s*\}/g,"");if(cclr!=null){if(IsColorName.test(cclr[1].toLowerCase())){cclr=LaTeXColor[cclr[1].toLowerCase()];}else{cclr=cclr[1];}
 +  node.setAttribute("mathcolor",cclr);}else{if(mathcolor!="")node.setAttribute("mathcolor",mathcolor);};if(mathfontfamily!="")node.setAttribute("fontfamily",mathfontfamily);node.appendChild(AMparseExpr(str.replace(/^\s+/g,""),false,false)[0]);node=AMcreateMmlNode("math",node);if(showasciiformulaonhover)
 +  node.setAttribute("title",str.replace(/\s+/g," "));if(false){var fnode=AMcreateElementXHTML("font");fnode.setAttribute("face",mathfontfamily);fnode.appendChild(node);return fnode;}
 +  return node;}
 +  function AMstrarr2docFrag(arr,linebreaks){var newFrag=document.createDocumentFragment();var expr=false;for(var i=0;i<arr.length;i++){if(expr)newFrag.appendChild(AMparseMath(arr[i]));else{var arri=(linebreaks?arr[i].split("\n\n"):[arr[i]]);newFrag.appendChild(AMcreateElementXHTML("span").appendChild(document.createTextNode(arri[0])));for(var j=1;j<arri.length;j++){newFrag.appendChild(AMcreateElementXHTML("p"));newFrag.appendChild(AMcreateElementXHTML("span").appendChild(document.createTextNode(arri[j])));}}
 +  expr=!expr;}
 +  return newFrag;}
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 +  if(alertIfNoMathML)
 +  alert("To view the ASCIIMathML notation use Internet Explorer 6 +\nMathPlayer (free from www.dessci.com)\nor Firefox/Mozilla/Netscape");else AMbody.insertBefore(nd,AMbody.childNodes[0]);}
 +  if(!AMnoMathML){frg=AMstrarr2docFrag(arr,n.nodeType==8);var len=frg.childNodes.length;n.parentNode.replaceChild(frg,n);return len-1;}else return 0;}}}else return 0;}else if(n.nodeName!="math"){for(i=0;i<n.childNodes.length;i++)
 +  i+=AMprocessNodeR(n.childNodes[i],linebreaks);}
 +  return 0;}
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 +  for(var i=0;i<frag.length;i++)
 +  if(frag[i].className=="AM")
 +  AMprocessNodeR(frag[i],linebreaks);}else{try{st=n.innerHTML;}catch(err){}
 +  if(st==null||st.indexOf("\$")!=-1)
 +  AMprocessNodeR(n,linebreaks);}
 +  if(isIE){frag=document.getElementsByTagName('math');for(var i=0;i<frag.length;i++)frag[i].update()}}
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 +  if(isIE&&str.match(/%/g)!=null&&IEcommentWarning){alert("Comments may not have parsed properly.  Try putting in <pre class='LaTeX><div>..</div></pre> structure.");IEcommentWarning=false;}
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 +  function generic()
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 +</head>
 +<body>
 +<h1 class="title">Tutorial de aprovechamiento de markdown</h1>
 +<div id="TOC">
 +<ul>
 +<li><a href="#introducci&#243;n">Introducción</a></li>
 +<li><a href="#creaci&#243;n-de-documentos-aspectos-a-considerar">Creación de documentos: aspectos a considerar</a><ul>
 +<li><a href="#s&#243;lo-escribo-texto-normal-palabras-palabras-...">Sólo escribo texto <em>normal</em>: palabras, palabras, ...</a></li>
 +<li><a href="#pero-necesito-f&#243;rmulas-matem&#225;ticas">Pero, necesito fórmulas matemáticas</a></li>
 +<li><a href="#pero-y-las-citas-las-referencias-...">Pero y las citas, las referencias, ...</a></li>
 +</ul></li>
 +<li><a href="#markdown-la-soluci&#243;n">markdown: la solución</a></li>
 +<li><a href="#instalaci&#243;n-de-pandoc">Instalación de <code>pandoc</code></a><ul>
 +<li><a href="#procedimiento-completo">Procedimiento completo</a></li>
 +<li><a href="#m&#233;todo-sucio">Método sucio</a></li>
 +</ul></li>
 +<li><a href="#vale-muy-bonito-pero-como-edito-el-fichero">Vale muy bonito, pero como edito el fichero</a></li>
 +<li><a href="#references">References</a></li>
 +</ul>
 +</div>
 +<h2 id="introducci&#243;n"><a href="#TOC">Introducción</a></h2>
 +<p>Para preparar documentación de calidad puede utilizarse un sin fin de programas de mayor o menor uso, los resultados en muchos casos dejan que desear; se exige una hardware y software realmente excelente para un documento de unas pocas páginas. Aún así, el desconocimiento o la dificultad para conseguirlo lleva a documentos razonablemente desectructurados.</p>
 +<p>Una posible solución se basaría en el uso de <em>markdow</em>, un lenguaje de marcas destinado a simplificar la vida de los escribientes. Con él es muy fácil preparar documentación si tener que recurrir a herramientas muy sofisticadas, basta con un simple <em>block de notas</em>. Este documento se ha desarrollado con esta herramienta y en el se describe el uso, aplicaciones y la instalación.</p>
 +<p>Tropecé con esta herramienta buscando una forma ágil de crear documentos para utilizar las ventajas de R + Sweave, pero considerando los problemas de los estudiantes (y nos sólo de ellos) para recurrir a ; y las ventajas de utilizar ficheros de texto plano.</p>
 +<h2 id="creaci&#243;n-de-documentos-aspectos-a-considerar"><a href="#TOC">Creación de documentos: aspectos a considerar</a></h2>
 +<h3 id="s&#243;lo-escribo-texto-normal-palabras-palabras-..."><a href="#TOC">Sólo escribo texto <em>normal</em>: palabras, palabras, ...</a></h3>
 +<p>La solución habitual pasa por un procesador de texto lo que ves es lo que tienes, o lo que crees tener.</p>
 +<p>Por muy sencillo que sea un texto necesita una estructura: capítulos, secciones, subsecciones, ... También necesitará realzar algunas palabras con <strong>negritas</strong> o <em>cursivas</em>, listas:</p>
 +<ul>
 +<li>relación de items</li>
 +<li>relaciones numeradas</li>
 +</ul>
 +<p>Incluso otros elementos puede aparecer en un texto &quot;sencillo&quot;:</p>
 +<ul>
 +<li>Notas a pie de página</li>
 +<li>Referencias bibliográficas</li>
 +<li>Enlaces a referencias en la red</li>
 +<li>Gráficos</li>
 +<li>Tablas</li>
 +<li>...</li>
 +</ul>
 +<p>En principio los programas habituales de tratamiento de texto ofrecen estas posibilidades, pero en muchos casos son grandes desconocidas.</p>
 +<h3 id="pero-necesito-f&#243;rmulas-matem&#225;ticas"><a href="#TOC">Pero, necesito fórmulas matemáticas</a></h3>
 +<p>Obviamente la solución a esta situación tiene una alternativa clásica LaTeX, dónde se puede escribir una fórmula como:</p>
 +<p><span class="LaTeX">$$ \bar x = \frac{\sum_{i=1}^{n} x_i}{n} $$</span></p>
 +<p>Pero crear desde cero un documento de LaTeX es engorroso, o no está al alcance de inexpertos, o ...</p>
 +<p>Claro que, si puedo utilizar un procedimiento que me permita utilizar la misma notación para las fórmulas o incluso puedo crear el documento LaTeX desde uno más sencillo sin perder nada podría recurrir a este procedimiento para que puedan trabajar <em>inexpertextos</em>.</p>
 +<p>podría recurrir a un control de versiones.</p>
 +<h3 id="pero-y-las-citas-las-referencias-..."><a href="#TOC">Pero y las citas, las referencias, ...</a></h3>
 +<p>Tenemos la necesidad, cuando creamos documentación científico-técnica de citar documentos y referencias bibliográficas sin problemas, por ejemplo, si recurrimos a una cita (Stevens 2009) sólo necesitamos una base de datos que la contenga adecuadamente.</p>
 +<h2 id="markdown-la-soluci&#243;n"><a href="#TOC">markdown: la solución</a></h2>
 +<p>Este lenguaje de marcas permite desarrollar un documento con un conjunto muy reducido, pero eficiente, de marcas (ver workshet) y además permite embeber código html o LaTex. Existen ademas <em>plugis</em> para utilizarlo directamente con distintos entornos de trabajo (wordpress, ...)</p>
 +<p><code>pandoc</code> es un programa para convertir fichero en formato markdown a otros formatos: html, latex, docbook, transparencias (slidy o s5), ... también puede convertir distintos formatos en markdown, o bien, llevarlos al formato de nuestro interes, por ejemplo: LaTeX a html o odt (open office).</p>
 +<p>Pueden verse un gran número de ejemplos del uso de <code>pandoc</code> en ...</p>
 +<h2 id="instalaci&#243;n-de-pandoc"><a href="#TOC">Instalación de <code>pandoc</code></a></h2>
 +<p>Para poder disfrutar de este programa podemos recurrir a la instalación correcta que exige instalar la plataforma <code>haskell</code> o bien recurrir a una instalación de baja calidad que no permite extarer el máximo resultado en todos los casos.</p>
 +<h3 id="procedimiento-completo"><a href="#TOC">Procedimiento completo</a></h3>
 +<ol style="list-style-type: decimal">
 +<li><p>Añadir el repositorio y actualizar:<br /> <code>apt-add-repository ppa:justinbogner/haskell-platform</code><br /> <code>apt-get update</code></p></li>
 +<li><p>Instalar la plataforma <code>haskell</code><br /> <code>apt-get install haskell-platform-doc haskell-platform</code></p></li>
 +<li><p>Actualizar y configurar la plataforma:<br /> <code>calbal update</code></p>
 +<ol style="list-style-type: lower-alpha">
 +<li><p>cambiar en <code>~/.cabal/config</code>: <code>-- user-install: True</code></p></li>
 +<li><p>por: <code>user-install: False</code></p></li>
 +</ol></li>
 +<li><p>Instalar la plataforma:<br /> <code>cabal install cabal-install</code></p></li>
 +<li><p>Instalando <code>pandoc</code><br /> <code>cabal install -fhighlighting pandoc</code></p></li>
 +<li><p>Problemas en la instalación</p></li>
 +</ol>
 +<h3 id="m&#233;todo-sucio"><a href="#TOC">Método sucio</a></h3>
 +<p>En Ubuntu 10.104, si utilizamos el paquete <code>pandoc</code> se instalará la versión 1.5.1.1-3, a diferencia del caso anterior que nos proporciona la versión actualizada:</p>
 +<p><code>apt-get install pandoc</code></p>
 +<p>pero la instalación no es correcta. Necesitamos copiar el directorio</p>
 +<p><code>/usr/share/pandoc-1.5.1.1</code></p>
 +<p>del paquete en ese lugar.</p>
 +<p>Pero resultam más completa y util la opción de descargar de la página principal de ... el paquete y copiar los contenidos del directorio ... en ...</p>
 +<h2 id="vale-muy-bonito-pero-como-edito-el-fichero"><a href="#TOC">Vale muy bonito, pero como edito el fichero</a></h2>
 +<p>Para los expertos en el manejo de ficheros en texto plano no resulta complicado acostrumbrase a fichero con formato <code>markdown</code>: <code>vim</code>, <code>emacs</code>, ... proporcionan un <em>confortable</em> entorno de trabajo. Basta con generar un fichero html de vez en cuando y visualizarlo con cualquier navegador para ir acostumbrando la práctica de expresarse en este sistema de marcas.</p>
 +<p>Una alternativa más adecuada a inexpertos pasa por <code>gedit</code> a la que instalando el plugin para markdown proporciona la posibilidad de ver el código resaltado y una ventana para poder seguir el documento en <em>formato final</em></p>
 +<pre><code>http://www.jpfleury.net/logiciels/gedit-markdown.php
 +
 +
 +pandoc -s -S -c estilo.css --biblio referencias.bib --csl chicago-author-date.csl tutorial.mkd -o p1.html
 +</code></pre>
 +<h2 id="references"><a href="#TOC">References</a></h2>
 +<p>Stevens, M Henry. 2009. <em>A Primer of Ecology with R</em>. Ed. Robert Gentleman, Kurt Hornik, and GiovanniEditors Parmigiani. Springer. http://www.springerlink.com/index/10.1007/978-0-387-89882-7.</p>
 +</body>
 +</html>
 +
 
markdown.txt · Última modificación: 31/05/2011 13:53 por palazon@um.es
 
 
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