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a=p.default.getProperty(o,"movesupsub"),s=p.default.isType(o,"msubsup")?o.sup:o.over;if(p.default.isType(o,"msubsup")&&!p.default.isType(o,"msup")&&p.default.getChildAt(o,o.sup)||p.default.isType(o,"munderover")&&!p.default.isType(o,"mover")&&p.default.getChildAt(o,o.over)&&!p.default.getProperty(o,"subsupOK"))throw new m.default("DoubleExponent","Double exponent: use braces to clarify");p.default.isType(o,"msubsup")&&!p.default.isType(o,"msup")||(s=a?(p.default.isType(o,"munderover")&&!p.default.isType(o,"mover")&&!p.default.getChildAt(o,o.over)||(o=t.create("node","munderover",[o],{movesupsub:!0})),o.over):(o=t.create("node","msubsup",[o])).sup),t.Push(t.itemFactory.create("subsup",o).setProperties({position:s,primes:n,movesupsub:a}))},o.Subscript=function(t,e){var r,n,o;t.GetNext().match(/\d/)&&(t.string=t.string.substr(0,t.i+1)+" "+t.string.substr(t.i+1));var i=t.stack.Top();i.isKind("prime")?(o=(r=f(i.Peek(2),2))[0],n=r[1],t.stack.Pop()):o=(o=t.stack.Prev())||t.create("token","mi",{},"");var a=p.default.getProperty(o,"movesupsub"),s=p.default.isType(o,"msubsup")?o.sub:o.under;if(p.default.isType(o,"msubsup")&&!p.default.isType(o,"msup")&&p.default.getChildAt(o,o.sub)||p.default.isType(o,"munderover")&&!p.default.isType(o,"mover")&&p.default.getChildAt(o,o.under)&&!p.default.getProperty(o,"subsupOK"))throw new m.default("DoubleSubscripts","Double subscripts: use braces to clarify");p.default.isType(o,"msubsup")&&!p.default.isType(o,"msup")||(s=a?(p.default.isType(o,"munderover")&&!p.default.isType(o,"mover")&&!p.default.getChildAt(o,o.under)||(o=t.create("node","munderover",[o],{movesupsub:!0})),o.under):(o=t.create("node","msubsup",[o])).sub),t.Push(t.itemFactory.create("subsup",o).setProperties({position:s,primes:n,movesupsub:a}))},o.Prime=function(t,e){var r=t.stack.Prev();if(r=r||t.create("node","mi"),p.default.isType(r,"msubsup")&&!p.default.isType(r,"msup")&&p.default.getChildAt(r,r.sup))throw new m.default("DoubleExponentPrime","Prime causes double exponent: use braces to clarify");var n="";for(t.i--;n+=i.entities.prime,t.i++,"'"===(e=t.GetNext())||e===i.entities.rquote;);n=["","\u2032","\u2033","\u2034","\u2057"][n.length]||n;var o=t.create("token","mo",{},n);t.Push(t.itemFactory.create("prime",r,o))},o.Comment=function(t,e){for(;t.i<t.string.length&&"\n"!==t.string.charAt(t.i);)t.i++},o.Hash=function(t,e){throw new m.default("CantUseHash1","You can't use 'macro parameter character #' in math mode")},o.SetFont=function(t,e,r){t.stack.env.font=r},o.SetStyle=function(t,e,r,n,o){t.stack.env.style=r,t.stack.env.level=o,t.Push(t.itemFactory.create("style").setProperty("styles",{displaystyle:n,scriptlevel:o}))},o.SetSize=function(t,e,r){t.stack.env.size=r,t.Push(t.itemFactory.create("style").setProperty("styles",{mathsize:r+"em"}))},o.Spacer=function(t,e,r){var n=t.create("node","mspace",[],{width:r}),o=t.create("node","mstyle",[n],{scriptlevel:0});t.Push(o)},o.LeftRight=function(t,e){var r=e.substr(1);t.Push(t.itemFactory.create(r).setProperty("delim",t.GetDelimiter(e)))},o.Middle=function(t,e){var r=t.GetDelimiter(e),n=t.create("node","TeXAtom",[],{texClass:h.TEXCLASS.CLOSE});if(t.Push(n),!t.stack.Top().isKind("left"))throw new m.default("MisplacedMiddle","%1 must be within \\left and \\right",t.currentCS);n=t.create("token","mo",{stretchy:!0},r),t.Push(n),n=t.create("node","TeXAtom",[],{texClass:h.TEXCLASS.OPEN}),t.Push(n)},o.NamedFn=function(t,e,r){r=r||e.substr(1);var n=t.create("token","mi",{texClass:h.TEXCLASS.OP},r);t.Push(t.itemFactory.create("fn",n))},o.NamedOp=function(t,e,r){r=(r=r||e.substr(1)).replace(/&thinsp;/,"\u2006");var n=t.create("token","mo",{movablelimits:!0,movesupsub:!0,form:y.TexConstant.Form.PREFIX,texClass:h.TEXCLASS.OP},r);t.Push(n)},o.Limits=function(t,e,r){var n=t.stack.Prev(!0);if(!n||p.default.getTexClass(p.default.getCoreMO(n))!==h.TEXCLASS.OP&&null==p.default.getProperty(n,"movesupsub"))throw new m.default("MisplacedLimits","%1 is allowed only on operators",t.currentCS);var o,i=t.stack.Top();p.default.isType(n,"munderover")&&!r?(o=t.create("node","msubsup"),p.default.copyChildren(n,o),n=i.Last=o):p.default.isType(n,"msubsup")&&r&&(o=t.create("node","munderover"),p.default.copyChildren(n,o),n=i.Last=o),p.default.setProperty(n,"movesupsub",!!r),p.default.setProperties(p.default.getCoreMO(n),{movablelimits:!1}),(p.default.getAttribute(n,"movablelimits")||p.default.getProperty(n,"movablelimits"))&&p.default.setProperties(n,{movablelimits:!1})},o.Over=function(t,e,r,n){var o=t.itemFactory.create("over").setProperty("name",t.currentCS);r||n?(o.setProperty("open",r),o.setProperty("close",n)):e.match(/withdelims$/)&&(o.setProperty("open",t.GetDelimiter(e)),o.setProperty("close",t.GetDelimiter(e))),e.match(/^\\above/)?o.setProperty("thickness",t.GetDimen(e)):(e.match(/^\\atop/)||r||n)&&o.setProperty("thickness",0),t.Push(o)},o.Frac=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e),o=t.create("node","mfrac",[r,n]);t.Push(o)},o.Sqrt=function(t,e){var r=t.GetBrackets(e),n=t.GetArgument(e);"\\frac"===n&&(n+="{"+t.GetArgument(n)+"}{"+t.GetArgument(n)+"}");var o=new c.default(n,t.stack.env,t.configuration).mml();o=r?t.create("node","mroot",[o,a(t,r)]):t.create("node","msqrt",[o]),t.Push(o)},o.Root=function(t,e){var r=t.GetUpTo(e,"\\of"),n=t.ParseArg(e),o=t.create("node","mroot",[n,a(t,r)]);t.Push(o)},o.MoveRoot=function(t,e,r){if(!t.stack.env.inRoot)throw new m.default("MisplacedMoveRoot","%1 can appear only within a root",t.currentCS);if(t.stack.global[r])throw new m.default("MultipleMoveRoot","Multiple use of %1",t.currentCS);var n=t.GetArgument(e);if(!n.match(/-?[0-9]+/))throw new m.default("IntegerArg","The argument to %1 must be an integer",t.currentCS);"-"!==(n=parseInt(n,10)/15+"em").substr(0,1)&&(n="+"+n),t.stack.global[r]=n},o.Accent=function(t,e,r,n){var o=t.ParseArg(e),i=v.default.getFontDef(t);i.accent=!0;var a=p.default.createEntity(r),s=t.create("token","mo",i,a);p.default.setAttribute(s,"stretchy",!!n);var l=p.default.isEmbellished(o)?p.default.getCoreMO(o):o;p.default.isType(l,"mo")&&p.default.setProperties(l,{movablelimits:!1});var c=t.create("node","munderover");p.default.setChild(c,0,o),p.default.setChild(c,1,null),p.default.setChild(c,2,s);var u=t.create("node","TeXAtom",[c]);t.Push(u)},o.UnderOver=function(t,e,r,n,o){var i,a=t.ParseArg(e),s=p.default.getForm(a);(s&&s[3]&&s[3].movablelimits||p.default.getProperty(a,"movablelimits"))&&p.default.setProperties(a,{movablelimits:!1}),p.default.isType(a,"munderover")&&p.default.isEmbellished(a)&&(p.default.setProperties(p.default.getCoreMO(a),{lspace:0,rspace:0}),i=t.create("node","mo",[],{rspace:0}),a=t.create("node","mrow",[i,a]));var l=t.create("node","munderover",[a]),c=p.default.createEntity(r);i=t.create("token","mo",{stretchy:!0,accent:!o},c),p.default.setChild(l,"o"===e.charAt(1)?l.over:l.under,i);var u=l;n&&(u=t.create("node","TeXAtom",[l],{texClass:h.TEXCLASS.OP,movesupsub:!0})),p.default.setProperty(u,"subsupOK",!0),t.Push(u)},o.Overset=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e);(p.default.getAttribute(n,"movablelimits")||p.default.getProperty(n,"movablelimits"))&&p.default.setProperties(n,{movablelimits:!1});var o=t.create("node","mover",[n,r]);t.Push(o)},o.Underset=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e);(p.default.getAttribute(n,"movablelimits")||p.default.getProperty(n,"movablelimits"))&&p.default.setProperties(n,{movablelimits:!1});var o=t.create("node","munder",[n,r]);t.Push(o)},o.TeXAtom=function(t,e,r){var n,o,i,a={texClass:r};if(r===h.TEXCLASS.OP){a.movesupsub=a.movablelimits=!0;var s=t.GetArgument(e),l=s.match(/^\s*\\rm\s+([a-zA-Z0-9 ]+)$/);o=l?(a.mathvariant=y.TexConstant.Variant.NORMAL,t.create("token","mi",a,l[1])):(i=new c.default(s,t.stack.env,t.configuration).mml(),t.create("node","TeXAtom",[i],a)),n=t.itemFactory.create("fn",o)}else i=t.ParseArg(e),n=t.create("node","TeXAtom",[i],a);t.Push(n)},o.MmlToken=function(t,e){var r,n=t.GetArgument(e),o=t.GetBrackets(e,"").replace(/^\s+/,""),i=t.GetArgument(e),a={};try{r=t.create("node",n)}catch(t){r=null}if(!r||!r.isToken)throw new m.default("NotMathMLToken","%1 is not a token element",n);for(;""!==o;){var s=o.match(/^([a-z]+)\s*=\s*('[^']*'|"[^"]*"|[^ ,]*)\s*,?\s*/i);if(!s)throw new m.default("InvalidMathMLAttr","Invalid MathML attribute: %1",o);if(!r.attributes.hasDefault(s[1])&&!u[s[1]])throw new m.default("UnknownAttrForElement","%1 is not a recognized attribute for %2",s[1],n);var l=v.default.MmlFilterAttribute(t,s[1],s[2].replace(/^(['"])(.*)\1$/,"$2"));l&&("true"===l.toLowerCase()?l=!0:"false"===l.toLowerCase()&&(l=!1),a[s[1]]=l),o=o.substr(s[0].length)}var c=t.create("text",i);r.appendChild(c),p.default.setProperties(r,a),t.Push(r)},o.Strut=function(t,e){var r=t.create("node","mrow"),n=t.create("node","mpadded",[r],{height:"8.6pt",depth:"3pt",width:0});t.Push(n)},o.Phantom=function(t,e,r,n){var o=t.create("node","mphantom",[t.ParseArg(e)]);(r||n)&&(o=t.create("node","mpadded",[o]),n&&(p.default.setAttribute(o,"height",0),p.default.setAttribute(o,"depth",0)),r&&p.default.setAttribute(o,"width",0));var i=t.create("node","TeXAtom",[o]);t.Push(i)},o.Smash=function(t,e){var r=v.default.trimSpaces(t.GetBrackets(e,"")),n=t.create("node","mpadded",[t.ParseArg(e)]);switch(r){case"b":p.default.setAttribute(n,"depth",0);break;case"t":p.default.setAttribute(n,"height",0);break;default:p.default.setAttribute(n,"height",0),p.default.setAttribute(n,"depth",0)}var o=t.create("node","TeXAtom",[n]);t.Push(o)},o.Lap=function(t,e){var r=t.create("node","mpadded",[t.ParseArg(e)],{width:0});"\\llap"===e&&p.default.setAttribute(r,"lspace","-1width");var n=t.create("node","TeXAtom",[r]);t.Push(n)},o.RaiseLower=function(t,e){var r=t.GetDimen(e),n=t.itemFactory.create("position").setProperties({name:t.currentCS,move:"vertical"});"-"===r.charAt(0)&&(r=r.slice(1),e="raise"===e.substr(1)?"\\lower":"\\raise"),"\\lower"===e?(n.setProperty("dh","-"+r),n.setProperty("dd","+"+r)):(n.setProperty("dh","+"+r),n.setProperty("dd","-"+r)),t.Push(n)},o.MoveLeftRight=function(t,e){var r=t.GetDimen(e),n="-"===r.charAt(0)?r.slice(1):"-"+r;if("\\moveleft"===e){var o=r;r=n,n=o}t.Push(t.itemFactory.create("position").setProperties({name:t.currentCS,move:"horizontal",left:t.create("node","mspace",[],{width:r}),right:t.create("node","mspace",[],{width:n})}))},o.Hskip=function(t,e){var r=t.create("node","mspace",[],{width:t.GetDimen(e)});t.Push(r)},o.Rule=function(t,e,r){var n={width:t.GetDimen(e),height:t.GetDimen(e),depth:t.GetDimen(e)};"blank"!==r&&(n.mathbackground=t.stack.env.color||"black");var o=t.create("node","mspace",[],n);t.Push(o)},o.rule=function(t,e){var r=t.GetBrackets(e),n=t.GetDimen(e),o=t.GetDimen(e),i=t.create("node","mspace",[],{width:n,height:o,mathbackground:t.stack.env.color||"black"});r&&(i=t.create("node","mpadded",[i],{voffset:r}),r.match(/^\-/)?(p.default.setAttribute(i,"height",r),p.default.setAttribute(i,"depth","+"+r.substr(1))):p.default.setAttribute(i,"height","+"+r)),t.Push(i)},o.MakeBig=function(t,e,r,n){n*=1.2/.85;var o=String(n).replace(/(\.\d\d\d).+/,"$1")+"em",i=t.GetDelimiter(e,!0),a=t.create("token","mo",{minsize:o,maxsize:o,fence:!0,stretchy:!0,symmetric:!0},i),s=t.create("node","TeXAtom",[a],{texClass:r});t.Push(s)},o.BuildRel=function(t,e){var r=t.ParseUpTo(e,"\\over"),n=t.ParseArg(e),o=t.create("node","munderover");p.default.setChild(o,0,n),p.default.setChild(o,1,null),p.default.setChild(o,2,r);var i=t.create("node","TeXAtom",[o],{texClass:h.TEXCLASS.REL});t.Push(i)},o.HBox=function(t,e,r){t.PushAll(v.default.internalMath(t,t.GetArgument(e),r))},o.FBox=function(t,e){var r=v.default.internalMath(t,t.GetArgument(e)),n=t.create("node","menclose",r,{notation:"box"});t.Push(n)},o.Not=function(t,e){t.Push(t.itemFactory.create("not"))},o.Dots=function(t,e){var r=p.default.createEntity("2026"),n=p.default.createEntity("22EF"),o=t.create("token","mo",{stretchy:!1},r),i=t.create("token","mo",{stretchy:!1},n);t.Push(t.itemFactory.create("dots").setProperties({ldots:o,cdots:i}))},o.Matrix=function(t,e,r,n,o,i,a,s,l,c){var u=t.GetNext();if(""===u)throw new m.default("MissingArgFor","Missing argument for %1",t.currentCS);"{"===u?t.i++:(t.string=u+"}"+t.string.slice(t.i+1),t.i=0);var p=t.itemFactory.create("array").setProperty("requireClose",!0);p.arraydef={rowspacing:a||"4pt",columnspacing:i||"1em"},l&&p.setProperty("isCases",!0),c&&(p.setProperty("isNumbered",!0),p.arraydef.side=c),(r||n)&&(p.setProperty("open",r),p.setProperty("close",n)),"D"===s&&(p.arraydef.displaystyle=!0),null!=o&&(p.arraydef.columnalign=o),t.Push(p)},o.Entry=function(t,e){if(t.Push(t.itemFactory.create("cell").setProperties({isEntry:!0,name:e})),t.stack.Top().getProperty("isCases")){for(var r=t.string,n=0,o=-1,i=t.i,a=r.length;i<a;){var s=r.charAt(i);if("{"===s)n++,i++;else if("}"===s)0===n?a=0:(0===--n&&o<0&&(o=i-t.i),i++);else{if("&"===s&&0===n)throw new m.default("ExtraAlignTab","Extra alignment tab in \\cases text");"\\"===s?r.substr(i).match(/^((\\cr)[^a-zA-Z]|\\\\)/)?a=0:i+=2:i++}}var l=r.substr(t.i,i-t.i);if(!l.match(/^\s*\\text[^a-zA-Z]/)||o!==l.replace(/\s+$/,"").length-1){var c=v.default.internalMath(t,l,0);t.PushAll(c),t.i=i}}},o.Cr=function(t,e){t.Push(t.itemFactory.create("cell").setProperties({isCR:!0,name:e}))},o.CrLaTeX=function(t,e,r){var n;if(void 0===r&&(r=!1),!r&&"["===t.string.charAt(t.i)){var o=t.GetBrackets(e,""),i=f(v.default.matchDimen(o),3),a=i[0],s=i[1];i[2];if(o&&!a)throw new m.default("BracketMustBeDimension","Bracket argument to %1 must be a dimension",t.currentCS);n=a+s}t.Push(t.itemFactory.create("cell").setProperties({isCR:!0,name:e,linebreak:!0}));var l,c=t.stack.Top();if(c instanceof d.ArrayItem){if(n&&c.arraydef.rowspacing){var u=c.arraydef.rowspacing.split(/ /);if(!c.getProperty("rowspacing")){var p=v.default.dimen2em(u[0]);c.setProperty("rowspacing",p)}for(var h=c.getProperty("rowspacing");u.length<c.table.length;)u.push(v.default.Em(h));u[c.table.length-1]=v.default.Em(Math.max(0,h+v.default.dimen2em(n))),c.arraydef.rowspacing=u.join(" ")}}else n&&(l=t.create("node","mspace",[],{depth:n}),t.Push(l)),l=t.create("node","mspace",[],{linebreak:y.TexConstant.LineBreak.NEWLINE}),t.Push(l)},o.HLine=function(t,e,r){null==r&&(r="solid");var n=t.stack.Top();if(!(n instanceof d.ArrayItem)||n.Size())throw new m.default("Misplaced","Misplaced %1",t.currentCS);if(n.table.length){for(var o=n.arraydef.rowlines?n.arraydef.rowlines.split(/ /):[];o.length<n.table.length;)o.push("none");o[n.table.length-1]=r,n.arraydef.rowlines=o.join(" ")}else n.frame.push("top")},o.HFill=function(t,e){var r=t.stack.Top();if(!(r instanceof d.ArrayItem))throw new m.default("UnsupportedHFill","Unsupported use of %1",t.currentCS);r.hfill.push(r.Size())},o.BeginEnd=function(t,e){var r=t.GetArgument(e);if(r.match(/\\/i))throw new m.default("InvalidEnv","Invalid environment name '%1'",r);var n=t.configuration.handlers.get("environment").lookup(r);if(n&&"\\end"===e){if(!n.args[0]){var o=t.itemFactory.create("end").setProperty("name",r);return void t.Push(o)}t.stack.env.closing=r}if(++t.macroCount>t.configuration.options.maxMacros)throw new m.default("MaxMacroSub2","MathJax maximum substitution count exceeded; is there a recursive latex environment?");t.parse("environment",[t,r])},o.Array=function(t,e,r,n,o,i,a,s,l){var c=("c"+(o=o||t.GetArgument("\\begin{"+e.getName()+"}"))).replace(/[^clr|:]/g,"").replace(/[^|:]([|:])+/g,"$1");o=(o=o.replace(/[^clr]/g,"").split("").join(" ")).replace(/l/g,"left").replace(/r/g,"right").replace(/c/g,"center");var u=t.itemFactory.create("array");return u.arraydef={columnalign:o,columnspacing:i||"1em",rowspacing:a||"4pt"},c.match(/[|:]/)&&(c.charAt(0).match(/[|:]/)&&(u.frame.push("left"),u.dashed=":"===c.charAt(0)),c.charAt(c.length-1).match(/[|:]/)&&u.frame.push("right"),c=c.substr(1,c.length-2),u.arraydef.columnlines=c.split("").join(" ").replace(/[^|: ]/g,"none").replace(/\|/g,"solid").replace(/:/g,"dashed")),r&&u.setProperty("open",t.convertDelimiter(r)),n&&u.setProperty("close",t.convertDelimiter(n)),"D"===s?u.arraydef.displaystyle=!0:s&&(u.arraydef.displaystyle=!1),"S"===s&&(u.arraydef.scriptlevel=1),l&&(u.arraydef.useHeight=!1),t.Push(e),u},o.AlignedArray=function(t,e){var r=t.GetBrackets("\\begin{"+e.getName()+"}"),n=o.Array(t,e);return v.default.setArrayAlign(n,r)},o.Equation=function(t,e,r){return t.Push(e),v.default.checkEqnEnv(t),t.itemFactory.create("equation",r).setProperty("name",e.getName())},o.EqnArray=function(t,e,r,n,o,i){t.Push(e),n&&v.default.checkEqnEnv(t),o=(o=o.replace(/[^clr]/g,"").split("").join(" ")).replace(/l/g,"left").replace(/r/g,"right").replace(/c/g,"center");var a=t.itemFactory.create("eqnarray",e.getName(),r,n,t.stack.global);return 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e=this.adaptor.append(this.chtml,this.html("mjx-over")),r=this.adaptor.append(this.adaptor.append(this.chtml,this.html("mjx-box")),this.html("mjx-munder")),n=this.adaptor.append(this.adaptor.append(r,this.html("mjx-row")),this.html("mjx-base")),o=this.adaptor.append(this.adaptor.append(r,this.html("mjx-row")),this.html("mjx-under"));this.overChild.toCHTML(e),this.baseChild.toCHTML(n),this.underChild.toCHTML(o);var i=this.overChild.getBBox(),a=this.baseChild.getBBox(),s=this.underChild.getBBox(),l=f(this.getOverKU(a,i),2),c=l[0],u=(l[1],f(this.getUnderKV(a,s),2)),p=u[0],h=(u[1],this.getDelta());this.adaptor.setStyle(e,"paddingBottom",this.em(c)),this.adaptor.setStyle(o,"paddingTop",this.em(p)),this.setDeltaW([n,o,e],this.getDeltaW([a,s,i],[0,-h,h])),this.adjustOverDepth(e,i),this.adjustUnderDepth(o,s)},b.kind=u.MmlMunderover.prototype.kind,b.useIC=!0,b.styles={'mjx-munderover:not([limits="false"])':{"padding-top":".1em"},'mjx-munderover:not([limits="false"]) > 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"+c)}}catch(t){r={error:t}}finally{try{p&&!p.done&&(n=u.return)&&n.call(u)}finally{if(r)throw r.error}}}}catch(t){e={error:t}}finally{try{s&&!s.done&&(t=a.return)&&t.call(a)}finally{if(e)throw e.error}}}},h.prototype.handleEqualRows=function(){if(this.node.attributes.get("equalrows"))for(var t=this.getRowHalfSpacing(),e=this.getTableData(),r=e.H,n=e.D,o=e.NH,i=e.ND,a=this.getEqualRowHeight(),s=(this.em(a),0);s<this.numRows;s++){var l=this.childNodes[s];a!==o[s]+i[s]&&this.setRowHeight(l,a,(a-r[s]+n[s])/2,t[s]+t[s+1])}},h.prototype.setRowHeight=function(t,e,r,n){var o,i;this.adaptor.setStyle(t.chtml,"height",this.em(e+n));var a=t.node.attributes.get("rowalign");try{for(var s=y(t.childNodes),l=s.next();!l.done;l=s.next()){var c=l.value;if(this.setCellBaseline(c,a,e,r))break}}catch(t){o={error:t}}finally{try{l&&!l.done&&(i=s.return)&&i.call(s)}finally{if(o)throw o.error}}},h.prototype.setCellBaseline=function(t,e,r,n){var o=t.node.attributes.get("rowalign");if("baseline"===o||"axis"===o){var i=this.adaptor,a=i.lastChild(t.chtml);i.setStyle(a,"height",this.em(r)),i.setStyle(a,"verticalAlign",this.em(-n));var s=t.parent;if(!(s.node.isKind("mlabeledtr")&&t===s.childNodes[0]||"baseline"!==e&&"axis"!==e))return!0}return!1},h.prototype.handleFrame=function(){this.frame&&this.adaptor.setStyle(this.itable,"border",".07em "+this.node.attributes.get("frame"))},h.prototype.handleWidth=function(){var t=this.adaptor,e=this.getBBox(),r=e.w,n=e.L,o=e.R;t.setStyle(this.chtml,"minWidth",this.em(n+r+o));var i=this.node.attributes.get("width");if(p.isPercent(i))t.setStyle(this.chtml,"width",""),t.setAttribute(this.chtml,"width","full");else if(!this.hasLabels){if("auto"===i)return;i=this.em(this.length2em(i)+2*this.fLine)}var a=t.firstChild(this.chtml);t.setStyle(a,"width",i),t.setStyle(a,"minWidth",this.em(r)),(n||o)&&(t.setStyle(this.chtml,"margin",""),n===o?t.setStyle(a,"margin","0 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e=u(this.getPadAlignShift(t),3),r=(e[0],e[1]),n=e[2],o={};if("right"===t){var i=this.node.attributes.get("width"),a=this.getBBox(),s=a.w,l=a.L,c=a.R;o.style={width:p.isPercent(i)?"calc("+i+" + "+this.em(l+c)+")":this.em(l+s+c)}}return this.adaptor.append(this.chtml,this.html("mjx-labels",o,[this.labels])),[r,n]},h.prototype.updateRowHeights=function(){if(!this.node.attributes.get("equalrows"))for(var t=this.getTableData(),e=t.H,r=t.D,n=t.NH,o=t.ND,i=this.getRowHalfSpacing(),a=0;a<this.numRows;a++){var s=this.childNodes[a];e[a]!==n[a]||r[a]!==o[a]?this.setRowHeight(s,e[a]+r[a],r[a],i[a]+i[a+1]):s.node.isKind("mlabeledtr")&&this.setCellBaseline(s.childNodes[0],"",e[a]+r[a],r[a])}},h.prototype.addLabelSpacing=function(){for(var t=this.adaptor,e=this.node.attributes.get("equalrows"),r=this.getTableData(),n=r.H,o=r.D,i=e?this.getEqualRowHeight():0,a=this.getRowHalfSpacing(),s=this.fLine,l=t.firstChild(this.labels),c=0;c<this.numRows;c++)this.childNodes[c].node.isKind("mlabeledtr")?(s&&t.insert(this.html("mjx-mtr",{style:{height:this.em(s)}}),l),t.setStyle(l,"height",this.em((e?i:n[c]+o[c])+a[c]+a[c+1])),l=t.next(l),s=this.rLines[c]):s+=a[c]+(e?i:n[c]+o[c])+a[c+1]+this.rLines[c]},h.kind=l.MmlMtable.prototype.kind,h.styles={"mjx-mtable":{"vertical-align":".25em","text-align":"center",position:"relative","box-sizing":"border-box"},"mjx-labels":{position:"absolute",left:0,top:0},"mjx-table":{display:"inline-block","vertical-align":"-.5ex"},"mjx-table > mjx-itable":{"vertical-align":"middle","text-align":"left","box-sizing":"border-box"},"mjx-labels > mjx-itable":{position:"absolute",top:0},'mjx-mtable[justify="left"]':{"text-align":"left"},'mjx-mtable[justify="right"]':{"text-align":"right"},'mjx-mtable[justify="left"][side="left"]':{"padding-right":"0 ! important"},'mjx-mtable[justify="left"][side="right"]':{"padding-left":"0 ! important"},'mjx-mtable[justify="right"][side="left"]':{"padding-right":"0 ! important"},'mjx-mtable[justify="right"][side="right"]':{"padding-left":"0 ! important"},"mjx-mtable[align]":{"vertical-align":"baseline"},'mjx-mtable[align="top"] > mjx-table':{"vertical-align":"top"},'mjx-mtable[align="bottom"] > mjx-table':{"vertical-align":"bottom"},'mjx-mtable[side="right"] mjx-labels':{"min-width":"100%"}},h);function h(t,e,r){void 0===r&&(r=null);var n=i.call(this,t,e,r)||this;return n.itable=n.html("mjx-itable"),n.labels=n.html("mjx-itable"),n}e.CHTMLmtable=c},function(t,e,r){"use strict";var n,i=this&&this.__extends||(n=function(t,e){return(n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r])})(t,e)},function(t,e){function r(){this.constructor=t}n(t,e),t.prototype=null===e?Object.create(e):(r.prototype=e.prototype,new r)}),y=this&&this.__read||function(t,e){var r="function"==typeof Symbol&&t[Symbol.iterator];if(!r)return t;var n,o,i=r.call(t),a=[];try{for(;(void 0===e||0<e--)&&!(n=i.next()).done;)a.push(n.value)}catch(t){o={error:t}}finally{try{n&&!n.done&&(r=i.return)&&r.call(i)}finally{if(o)throw o.error}}return a},a=this&&this.__spread||function(){for(var t=[],e=0;e<arguments.length;e++)t=t.concat(y(arguments[e]));return t},O=this&&this.__values||function(t){var e="function"==typeof Symbol&&Symbol.iterator,r=e&&t[e],n=0;if(r)return r.call(t);if(t&&"number"==typeof t.length)return{next:function(){return t&&n>=t.length&&(t=void 0),{value:t&&t[n++],done:!t}}};throw new TypeError(e?"Object is not iterable.":"Symbol.iterator is not defined.")};Object.defineProperty(e,"__esModule",{value:!0});var s=r(21),v=r(13),g=r(118);e.CommonMtableMixin=function(t){return i(e,o=t),Object.defineProperty(e.prototype,"tableRows",{get:function(){return this.childNodes},enumerable:!0,configurable:!0}),e.prototype.findContainer=function(){for(var t=this,e=t.parent;e&&(e.node.notParent||e.node.isKind("mrow"));)e=(t=e).parent;this.container=e,this.containerI=t.node.childPosition()},e.prototype.getPercentageWidth=function(){if(this.hasLabels)this.bbox.pwidth=s.BBox.fullWidth;else{var t=this.node.attributes.get("width");v.isPercent(t)&&(this.bbox.pwidth=t)}},e.prototype.stretchRows=function(){for(var t=this.node.attributes.get("equalrows"),e=t?this.getEqualRowHeight():0,r=t?this.getTableData():{H:[0],D:[0]},n=r.H,o=r.D,i=this.tableRows,a=0;a<this.numRows;a++){var s=t?[(e+n[a]-o[a])/2,(e-n[a]+o[a])/2]:null;i[a].stretchChildren(s)}},e.prototype.stretchColumns=function(){for(var t=0;t<this.numCols;t++){var e="number"==typeof this.cWidths[t]?this.cWidths[t]:null;this.stretchColumn(t,e)}},e.prototype.stretchColumn=function(t,e){var r,n,o,i,a,s,l=[];try{for(var c=O(this.tableRows),u=c.next();!u.done;u=c.next())(y=u.value.getChild(t))&&0===(M=y.childNodes[0]).stretch.dir&&M.canStretch(2)&&l.push(M)}catch(t){r={error:t}}finally{try{u&&!u.done&&(n=c.return)&&n.call(c)}finally{if(r)throw r.error}}var p=l.length,h=this.childNodes.length;if(p&&1<h){if(null===e){e=0;var f=1<p&&p===h;try{for(var d=O(this.tableRows),m=d.next();!m.done;m=d.next()){var y;if(y=m.value.getChild(t)){var v=0===(M=y.childNodes[0]).stretch.dir;if(f||v){var g=M.getBBox(v).w;e<g&&(e=g)}}}}catch(t){o={error:t}}finally{try{m&&!m.done&&(i=d.return)&&i.call(d)}finally{if(o)throw o.error}}}try{for(var b=O(l),x=b.next();!x.done;x=b.next()){var M;(M=x.value).coreMO().getStretchedVariant([e])}}catch(t){a={error:t}}finally{try{x&&!x.done&&(s=b.return)&&s.call(b)}finally{if(a)throw a.error}}}},e.prototype.getTableData=function(){if(this.data)return this.data;for(var t=new Array(this.numRows).fill(0),e=new Array(this.numRows).fill(0),r=new Array(this.numCols).fill(0),n=new Array(this.numRows),o=new Array(this.numRows),i=[0],a=this.tableRows,s=0;s<a.length;s++){for(var l=a[s],c=0;c<l.numCells;c++){var u=l.getChild(c);this.updateHDW(u,c,s,t,e,r),this.recordPWidthCell(u,c)}n[s]=t[s],o[s]=e[s],l.labeled&&this.updateHDW(l.childNodes[0],0,s,t,e,i)}this.node.attributes.get("width");var p=i[0];return this.data={H:t,D:e,W:r,NH:n,ND:o,L:p},this.data},e.prototype.updateHDW=function(t,e,r,n,o,i){void 0===i&&(i=null);var a=t.getBBox(),s=a.h,l=a.d,c=a.w;a.pwidth,s<.75&&(s=.75),l<.25&&(l=.25),s>n[r]&&(n[r]=s),l>o[r]&&(o[r]=l),i&&c>i[e]&&(i[e]=c)},e.prototype.recordPWidthCell=function(t,e){t.childNodes[0]&&t.childNodes[0].getBBox().pwidth&&this.pwidthCells.push([t,e])},e.prototype.computeBBox=function(t,e){void 0===e&&(e=!1);var r,n,o=this.getTableData(),i=o.H,a=o.D;if(this.node.attributes.get("equalrows")){var s=this.getEqualRowHeight();r=g.sum([].concat(this.rLines,this.rSpace))+s*this.numRows}else r=g.sum(i.concat(a,this.rLines,this.rSpace));r+=2*(this.fLine+this.fSpace[1]);var l=this.getComputedWidths();n=g.sum(l.concat(this.cLines,this.cSpace))+2*(this.fLine+this.fSpace[0]);var c=this.node.attributes.get("width");"auto"!==c&&(n=Math.max(this.length2em(c,0)+2*this.fLine,n));var u=y(this.getBBoxHD(r),2),p=u[0],h=u[1];t.h=p,t.d=h,t.w=n;var f=y(this.getBBoxLR(),2),d=f[0],m=f[1];t.L=d,t.R=m,v.isPercent(c)||this.setColumnPWidths()},e.prototype.setChildPWidths=function(t,e,r){var n=this.node.attributes.get("width");if(v.isPercent(n)){this.hasLabels||(this.bbox.pwidth="",this.container.bbox.pwidth="");var o=this.bbox,i=o.w,a=o.L,s=o.R,l=Math.max(i,this.length2em(n,Math.max(e,a+i+s))),c=this.node.attributes.get("equalcolumns")?Array(this.numCols).fill(this.percent(1/Math.max(1,this.numCols))):this.getColumnAttributes("columnwidth",0);this.cWidths=this.getColumnWidthsFixed(c,l);var u=this.getComputedWidths();return this.pWidth=g.sum(u.concat(this.cLines,this.cSpace))+2*(this.fLine+this.fSpace[0]),this.isTop&&(this.bbox.w=this.pWidth),this.setColumnPWidths(),this.pWidth!==i&&this.parent.invalidateBBox(),this.pWidth!==i}},e.prototype.setColumnPWidths=function(){var e,t,r=this.cWidths;try{for(var n=O(this.pwidthCells),o=n.next();!o.done;o=n.next()){var i=y(o.value,2),a=i[0],s=i[1];a.setChildPWidths(!1,r[s])&&(a.invalidateBBox(),a.getBBox())}}catch(t){e={error:t}}finally{try{o&&!o.done&&(t=n.return)&&t.call(n)}finally{if(e)throw e.error}}},e.prototype.getBBoxHD=function(t){var e=y(this.getAlignmentRow(),2),r=e[0],n=e[1];if(null===n){var o=this.font.params.axis_height,i=t/2;return{top:[0,t],center:[i,i],bottom:[t,0],baseline:[i,i],axis:[i+o,i-o]}[r]||[i,i]}var a=this.getVerticalPosition(n,r);return[a,t-a]},e.prototype.getBBoxLR=function(){if(this.hasLabels){var t=this.node.attributes.get("side"),e=y(this.getPadAlignShift(t),3),r=e[0],n=e[1];return e[2],"center"===n?[r,r]:"left"===t?[r,0]:[0,r]}return[0,0]},e.prototype.getPadAlignShift=function(t){var e=this.getTableData().L+this.length2em(this.node.attributes.get("minlabelspacing")),r=y(null==this.styles?["",""]:[this.styles.get("padding-left"),this.styles.get("padding-right")],2),n=r[0],o=r[1];(n||o)&&(e=Math.max(e,this.length2em(n||"0"),this.length2em(o||"0")));var i=y(this.getAlignShift(),2),a=i[0],s=i[1];return a===t&&(s="left"===t?Math.max(e,s)-e:Math.min(-e,s)+e),[e,a,s]},e.prototype.getAlignShift=function(){return this.isTop?o.prototype.getAlignShift.call(this):[this.container.getChildAlign(this.containerI),0]},e.prototype.getWidth=function(){return this.pWidth||this.getBBox().w},e.prototype.getEqualRowHeight=function(){var t=this.getTableData(),e=t.H,r=t.D,n=Array.from(e.keys()).map(function(t){return e[t]+r[t]});return Math.max.apply(Math,n)},e.prototype.getComputedWidths=function(){var e=this,r=this.getTableData().W,t=Array.from(r.keys()).map(function(t){return"number"==typeof e.cWidths[t]?e.cWidths[t]:r[t]});return this.node.attributes.get("equalcolumns")&&(t=Array(t.length).fill(g.max(t))),t},e.prototype.getColumnWidths=function(){var t=this.node.attributes.get("width");if(this.node.attributes.get("equalcolumns"))return this.getEqualColumns(t);var e=this.getColumnAttributes("columnwidth",0);return"auto"===t?this.getColumnWidthsAuto(e):v.isPercent(t)?this.getColumnWidthsPercent(e,t):this.getColumnWidthsFixed(e,this.length2em(t))},e.prototype.getEqualColumns=function(t){var e,r=Math.max(1,this.numCols);if("auto"===t){var n=this.getTableData().W;e=g.max(n)}else if(v.isPercent(t))e=this.percent(1/r);else{var o=g.sum([].concat(this.cLines,this.cSpace))+2*this.fSpace[0];e=Math.max(0,this.length2em(t)-o)/r}return Array(this.numCols).fill(e)},e.prototype.getColumnWidthsAuto=function(t){var e=this;return t.map(function(t){return"auto"===t||"fit"===t?null:v.isPercent(t)?t:e.length2em(t)})},e.prototype.getColumnWidthsPercent=function(r,t){var n=this,o=0<=r.indexOf("fit"),i=(o?this.getTableData():{W:null}).W;return Array.from(r.keys()).map(function(t){var e=r[t];return"fit"===e?null:"auto"===e?o?i[t]:null:v.isPercent(e)?e:n.length2em(e)})},e.prototype.getColumnWidthsFixed=function(r,n){var o=this,t=Array.from(r.keys()),i=t.filter(function(t){return"fit"===r[t]}),e=t.filter(function(t){return"auto"===r[t]}),a=i.length||e.length,s=(a?this.getTableData():{W:null}).W,l=n-g.sum([].concat(this.cLines,this.cSpace))-2*this.fSpace[0],c=l;t.forEach(function(t){var e=r[t];c-="fit"===e||"auto"===e?s[t]:o.length2em(e,n)});var u=a&&0<c?c/a:0;return t.map(function(t){var e=r[t];return"fit"===e?s[t]+u:"auto"===e?s[t]+(0===i.length?u:0):o.length2em(e,l)})},e.prototype.getVerticalPosition=function(t,e){for(var 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t.constructors&&(t.useOutput(n,!0),t.output=t.getOutputJax(),r.jax[e]=t.output,r.setOutputJax(e))})}},d.prototype.setOutputJax=function(t){this.jax[t].setAdaptor(this.document.adaptor),this.document.outputJax=this.jax[t],this.rerender()},d.prototype.setTabOrder=function(t){this.menu.getStore().inTaborder(t)},d.prototype.setAssistiveMml=function(t){!t||p._.a11y&&p._.a11y["assistive-mml"]?this.rerender():this.loadA11y("assistive-mml")},d.prototype.setExplorer=function(t){this.enableExplorerItems(t),!t||p._.a11y&&p._.a11y.explorer?this.rerender(this.settings.collapsible?c.STATE.RERENDER:c.STATE.COMPILED):this.loadA11y("explorer")},d.prototype.setCollapsible=function(t){!t||p._.a11y&&p._.a11y.complexity?this.rerender(c.STATE.COMPILED):this.loadA11y("complexity")},d.prototype.scaleAllMath=function(){var t=(100*parseFloat(this.settings.scale)).toFixed(1).replace(/.0$/,""),e=prompt("Scale all mathematics (compared to surrounding text) 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t.registerCallback(e)})},bt.prototype.unregisterCallback=function(e){this.items.forEach(function(t){return t.unregisterCallback(e)})},o=bt,r.Variable=o,i=vt=vt||{},xt.prototype.insert=function(t){this.pool[t.getName()]=t},xt.prototype.lookup=function(t){return this.pool[t]},xt.prototype.remove=function(t){delete this.pool[t]},xt.prototype.update=function(){for(var t in this.pool)this.pool[t].update()},a=xt,i.VariablePool=a,s=vt=vt||{},(l=s.KEY||(s.KEY={}))[l.RETURN=13]="RETURN",l[l.ESCAPE=27]="ESCAPE",l[l.SPACE=32]="SPACE",l[l.LEFT=37]="LEFT",l[l.UP=38]="UP",l[l.RIGHT=39]="RIGHT",l[l.DOWN=40]="DOWN",(vt||(vt={})).MOUSE={CLICK:"click",DBLCLICK:"dblclick",DOWN:"mousedown",UP:"mouseup",OVER:"mouseover",OUT:"mouseout",MOVE:"mousemove",SELECTSTART:"selectstart",SELECTEND:"selectend"},c=vt=vt||{},Mt.prototype.bubbleKey=function(){this.bubble=!0},Mt.prototype.keydown=function(t){switch(t.keyCode){case c.KEY.ESCAPE:this.escape(t);break;case c.KEY.RIGHT:this.right(t);break;case c.KEY.LEFT:this.left(t);break;case c.KEY.UP:this.up(t);break;case c.KEY.DOWN:this.down(t);break;case c.KEY.RETURN:case c.KEY.SPACE:this.space(t);break;default:return}this.bubble?this.bubble=!1:this.stop(t)},Mt.prototype.escape=function(t){},Mt.prototype.space=function(t){},Mt.prototype.left=function(t){},Mt.prototype.right=function(t){},Mt.prototype.up=function(t){},Mt.prototype.down=function(t){},Mt.prototype.stop=function(t){t&&(t.stopPropagation(),t.preventDefault(),t.cancelBubble=!0)},Mt.prototype.mousedown=function(t){return this.stop(t)},Mt.prototype.mouseup=function(t){return this.stop(t)},Mt.prototype.mouseover=function(t){return this.stop(t)},Mt.prototype.mouseout=function(t){return this.stop(t)},Mt.prototype.click=function(t){return this.stop(t)},Mt.prototype.addEvents=function(t){t.addEventListener(c.MOUSE.DOWN,this.mousedown.bind(this)),t.addEventListener(c.MOUSE.UP,this.mouseup.bind(this)),t.addEventListener(c.MOUSE.OVER,this.mouseover.bind(this)),t.addEventListener(c.MOUSE.OUT,this.mouseout.bind(this)),t.addEventListener(c.MOUSE.CLICK,this.click.bind(this)),t.addEventListener("keydown",this.keydown.bind(this)),t.addEventListener("dragstart",this.stop.bind(this)),t.addEventListener("selectstart",this.stop.bind(this)),t.addEventListener("contextmenu",this.stop.bind(this)),t.addEventListener("dblclick",this.stop.bind(this))},u=Mt,c.AbstractNavigatable=u,p=vt=vt||{},h="CtxtMenu",p.HtmlClasses={ATTACHED:St("Attached"),CONTEXTMENU:St("ContextMenu"),MENU:St("Menu"),MENUARROW:St("MenuArrow"),MENUACTIVE:St("MenuActive"),MENUCHECK:St("MenuCheck"),MENUCLOSE:St("MenuClose"),MENUCOMBOBOX:St("MenuComboBox"),MENUDISABLED:St("MenuDisabled"),MENUFRAME:St("MenuFrame"),MENUITEM:St("MenuItem"),MENULABEL:St("MenuLabel"),MENURADIOCHECK:St("MenuRadioCheck"),MENUINPUTBOX:St("MenuInputBox"),MENURULE:St("MenuRule"),MOUSEPOST:St("MousePost"),RTL:St("RTL"),INFO:St("Info"),INFOCLOSE:St("InfoClose"),INFOCONTENT:St("InfoContent"),INFOSIGNATURE:St("InfoSignature"),INFOTITLE:St("InfoTitle")},p.HtmlAttrs={COUNTER:_t("Counter"),KEYDOWNFUNC:_t("keydownFunc"),CONTEXTMENUFUNC:_t("contextmenuFunc"),OLDTAB:_t("Oldtabindex"),TOUCHFUNC:_t("TouchFunc")},f=vt=vt||{},d=f.AbstractNavigatable,gt(Et,d),Et.prototype.addAttributes=function(t){for(var e in t)this.html.setAttribute(e,t[e])},Et.prototype.getHtml=function(){return this.html||this.generateHtml(),this.html},Et.prototype.setHtml=function(t){this.html=t,this.addEvents(t)},Et.prototype.generateHtml=function(){var t=document.createElement("div");t.classList.add(this.className),t.setAttribute("role",this.role),this.setHtml(t)},Et.prototype.focus=function(){var t=this.getHtml();t.setAttribute("tabindex","0"),t.focus()},Et.prototype.unfocus=function(){var t=this.getHtml();t.hasAttribute("tabindex")&&t.setAttribute("tabindex","-1");try{t.blur()}catch(t){}},m=Et,f.MenuElement=m,y=vt=vt||{},v=y.MenuElement,gt(Ct,v),Ct.prototype.getMenu=function(){return this.menu},Ct.prototype.setMenu=function(t){this.menu=t},Ct.prototype.getType=function(){return this.type},Ct.prototype.hide=function(){this.hidden=!0,this.menu.generateMenu()},Ct.prototype.show=function(){this.hidden=!1,this.menu.generateMenu()},Ct.prototype.isHidden=function(){return this.hidden},g=Ct,y.AbstractEntry=g,b=vt=vt||{},x=b.MenuElement,gt(wt,x),wt.prototype.isPosted=function(){return this.posted},wt.prototype.post=function(t,e){this.posted||(void 0!==t&&void 0!==e&&this.getHtml().setAttribute("style","left: "+t+"px; top: "+e+"px;"),this.display(),this.posted=!0)},wt.prototype.unpost=function(){if(this.posted){var t=this.getHtml();t.parentNode&&t.parentNode.removeChild(t),this.posted=!1}},M=wt,b.AbstractPostable=M,O=vt=vt||{},S=O.AbstractPostable,gt(At,S),At.prototype.getItems=function(){return this.items},At.prototype.getPool=function(){return this.variablePool},At.prototype.getFocused=function(){return this.focused},At.prototype.setFocused=function(t){if(this.focused!==t){this.focused||this.unfocus();var e=this.focused;this.focused=t,e&&e.unfocus()}},At.prototype.up=function(t){var e=this.getItems().filter(function(t){return t instanceof O.AbstractItem&&!t.isHidden()});if(0!==e.length)if(this.focused){var r=e.indexOf(this.focused);-1!==r&&e[r=r?--r:e.length-1].focus()}else e[e.length-1].focus()},At.prototype.down=function(t){var e=this.getItems().filter(function(t){return t instanceof O.AbstractItem&&!t.isHidden()});if(0!==e.length)if(this.focused){var r=e.indexOf(this.focused);-1!==r&&e[r=++r===e.length?0:r].focus()}else e[0].focus()},At.prototype.generateHtml=function(){S.prototype.generateHtml.call(this),this.generateMenu()},At.prototype.generateMenu=function(){var t=this.getHtml();t.classList.add(O.HtmlClasses.MENU);for(var e=0,r=this.items;e<r.length;e++){var n=r[e];if(n.isHidden()){var o=n.getHtml();o.parentNode&&o.parentNode.removeChild(o)}else t.appendChild(n.getHtml())}},At.prototype.post=function(t,e){this.variablePool.update(),S.prototype.post.call(this,t,e)},At.prototype.unpostSubmenus=function(){for(var t=0,e=this.items.filter(function(t){return t instanceof O.Submenu});t<e.length;t++){var r=e[t];r.getSubmenu().unpost(),r!==this.getFocused()&&r.unfocus()}},At.prototype.unpost=function(){S.prototype.unpost.call(this),this.unpostSubmenus(),this.setFocused(null)},At.prototype.find=function(t){for(var e=0,r=this.getItems();e<r.length;e++){var n=r[e];if("rule"!==n.getType()){if(n.getId()===t)return n;if("submenu"===n.getType()){var o=n.getSubmenu().find(t);if(o)return o}}}return null},At.prototype.parseItems=function(t){var e=this;t.map(function(t){return[e.parseItem.bind(e)(t),t.hidden]}).forEach(function(t){return t[1]&&t[0].hide()})},At.prototype.parseItem=function(t){var e={checkbox:O.Checkbox.parse,combo:O.Combo.parse,command:O.Command.parse,label:O.Label.parse,radio:O.Radio.parse,rule:O.Rule.parse,submenu:O.Submenu.parse}[t.type];if(e){var r=e(t,this);return this.getItems().push(r),t.disabled&&r.disable(),r}},_=At,O.AbstractMenu=_,E=vt=vt||{},Tt.prototype.setActive=function(t){do{if(-1!==this.store.indexOf(t)){this.active=t;break}t=t.parentNode}while(t)},Tt.prototype.getActive=function(){return this.active},Tt.prototype.next=function(){var t=this.store.length;if(0===t)return this.active=null;var e=this.store.indexOf(this.active);return e=-1!==e&&e<t-1?e+1:0,this.active=this.store[e],this.active},Tt.prototype.previous=function(){var t=this.store.length;if(0===t)return this.active=null;var e=t-1,r=this.store.indexOf(this.active);return r=-1===r||0===r?e:r-1,this.active=this.store[r],this.active},Tt.prototype.clear=function(){this.remove(this.store)},Tt.prototype.insert=function(t){for(var e=0,r=t instanceof HTMLElement?[t]:t;e<r.length;e++){var n=r[e];this.insertElement(n)}this.sort()},Tt.prototype.remove=function(t){for(var e=0,r=t instanceof HTMLElement?[t]:t;e<r.length;e++){var n=r[e];this.removeElement(n)}this.sort()},Tt.prototype.inTaborder=function(t){this.taborder&&!t&&this.removeTaborder(),!this.taborder&&t&&this.insertTaborder(),this.taborder=t},Tt.prototype.insertTaborder=function(){this.taborder&&this.insertTaborder_()},Tt.prototype.removeTaborder=function(){this.taborder&&this.removeTaborder_()},Tt.prototype.insertElement=function(t){t.classList.contains(this.attachedClass)||(t.classList.add(this.attachedClass),this.taborder&&this.addTabindex(t),this.addEvents(t))},Tt.prototype.removeElement=function(t){t.classList.contains(this.attachedClass)&&(t.classList.remove(this.attachedClass),this.taborder&&this.removeTabindex(t),this.removeEvents(t))},Tt.prototype.sort=function(){var t=document.getElementsByClassName(this.attachedClass);this.store=[].slice.call(t)},Tt.prototype.insertTaborder_=function(){this.store.forEach(function(t){return t.setAttribute("tabindex","0")})},Tt.prototype.removeTaborder_=function(){this.store.forEach(function(t){return t.setAttribute("tabindex","-1")})},Tt.prototype.addTabindex=function(t){t.hasAttribute("tabindex")&&t.setAttribute(E.HtmlAttrs.OLDTAB,t.getAttribute("tabindex")),t.setAttribute("tabindex","0")},Tt.prototype.removeTabindex=function(t){t.hasAttribute(E.HtmlAttrs.OLDTAB)?(t.setAttribute("tabindex",t.getAttribute(E.HtmlAttrs.OLDTAB)),t.removeAttribute(E.HtmlAttrs.OLDTAB)):t.removeAttribute("tabindex")},Tt.prototype.addEvents=function(t){t.hasAttribute(E.HtmlAttrs.COUNTER)||(this.addEvent(t,"contextmenu",this.menu.post.bind(this.menu)),this.addEvent(t,"keydown",this.keydown.bind(this)),t.setAttribute(E.HtmlAttrs.COUNTER,this.counter.toString()),this.counter++)},Tt.prototype.addEvent=function(t,e,r){var n=E.HtmlAttrs[e.toUpperCase()+"FUNC"];this.attrMap[n+this.counter]=r,t.addEventListener(e,r)},Tt.prototype.removeEvents=function(t){if(t.hasAttribute(E.HtmlAttrs.COUNTER)){var e=t.getAttribute(E.HtmlAttrs.COUNTER);this.removeEvent(t,"contextmenu",e),this.removeEvent(t,"keydown",e),t.removeAttribute(E.HtmlAttrs.COUNTER)}},Tt.prototype.removeEvent=function(t,e,r){var n=E.HtmlAttrs[e.toUpperCase()+"FUNC"],o=this.attrMap[n+r];t.removeEventListener(e,o)},Tt.prototype.keydown=function(t){t.keyCode===E.KEY.SPACE&&(this.menu.post(t),t.preventDefault(),t.stopImmediatePropagation())},C=Tt,E.MenuStore=C,w=vt=vt||{},A=w.AbstractMenu,gt(Lt,A),Lt.parse=function(t){var e=t.menu;if(e){var r=e.pool,n=e.items,o=(e.id,new this);return r.forEach(o.parseVariable.bind(o)),o.parseItems(n),o}w.MenuUtil.error(null,"Wrong JSON format for menu.")},Lt.prototype.generateHtml=function(){this.isPosted()&&this.unpost(),A.prototype.generateHtml.call(this),this.frame=document.createElement("div"),this.frame.classList.add(w.HtmlClasses.MENUFRAME);var t="left: 0px; top: 0px; z-index: 200; width: 100%; height: 100%; border: 0px; padding: 0px; margin: 0px;";this.frame.setAttribute("style","position: absolute; "+t);var e=document.createElement("div");e.setAttribute("style","position: fixed; "+t),this.frame.appendChild(e),e.addEventListener("mousedown",function(t){this.unpost(),this.unpostWidgets(),this.stop(t)}.bind(this))},Lt.prototype.display=function(){document.body.appendChild(this.frame),this.frame.appendChild(this.getHtml()),this.focus()},Lt.prototype.escape=function(t){this.unpost(),this.unpostWidgets()},Lt.prototype.unpost=function(){if(A.prototype.unpost.call(this),!(0<this.widgets.length)){this.frame.parentNode.removeChild(this.frame);var t=this.getStore();this.moving||t.insertTaborder(),t.getActive().focus()}},Lt.prototype.left=function(t){this.move_(this.store_.previous())},Lt.prototype.right=function(t){this.move_(this.store_.next())},Lt.prototype.getFrame=function(){return this.frame},Lt.prototype.getStore=function(){return this.store_},Lt.prototype.post=function(t,e){if(void 0!==e)return this.moving||this.getStore().removeTaborder(),void A.prototype.post.call(this,t,e);var r,n,o,i=t;if(i instanceof Event?(r=i.target,this.stop(i)):r=i,i instanceof MouseEvent&&(n=i.pageX,o=i.pageY,n||o||!i.clientX||(n=i.clientX+document.body.scrollLeft+document.documentElement.scrollLeft,o=i.clientY+document.body.scrollTop+document.documentElement.scrollTop)),!n&&!o&&r){var a=window.pageXOffset||document.documentElement.scrollLeft,s=window.pageYOffset||document.documentElement.scrollTop,l=r.getBoundingClientRect();n=(l.right+l.left)/2+a,o=(l.bottom+l.top)/2+s}this.getStore().setActive(r),this.anchor=this.getStore().getActive();var c=this.getHtml();n+c.offsetWidth>document.body.offsetWidth-5&&(n=document.body.offsetWidth-c.offsetWidth-5),this.post(n,o)},Lt.prototype.registerWidget=function(t){this.widgets.push(t)},Lt.prototype.unregisterWidget=function(t){var e=this.widgets.indexOf(t);-1<e&&this.widgets.splice(e,1),0===this.widgets.length&&this.unpost()},Lt.prototype.unpostWidgets=function(){this.widgets.forEach(function(t){return t.unpost()})},Lt.prototype.move_=function(t){this.anchor&&t!==this.anchor&&(this.moving=!0,this.unpost(),this.post(t),this.moving=!1)},Lt.prototype.parseVariable=function(t){var e=t.name,r=t.getter,n=t.setter;this.getPool().insert(new w.Variable(e,r,n))},T=Lt,w.ContextMenu=T,"undefined"!=typeof window&&(window.ContextMenu=vt),L=vt=vt||{},P=L.AbstractMenu,gt(Pt,P),Pt.parse=function(t,e){var r=t.items,n=(t.id,new Pt(e));return n.parseItems(r),n},Pt.prototype.getAnchor=function(){return this.anchor},Pt.prototype.post=function(){if(this.anchor.getMenu().isPosted()){for(var t=this.anchor.getHtml(),e=this.getHtml(),r=this.baseMenu.getFrame(),n=t.offsetWidth,o=n-2,i=0;t&&t!==r;)o+=t.offsetLeft,i+=t.offsetTop,t=t.parentNode;o+e.offsetWidth>document.body.offsetWidth-5&&(o=Math.max(5,o-n-e.offsetWidth+6)),P.prototype.post.call(this,o,i)}},Pt.prototype.display=function(){this.baseMenu.getFrame().appendChild(this.getHtml())},Pt.prototype.setBaseMenu=function(){for(var t=this;(t=t.anchor.getMenu())instanceof Pt;);this.baseMenu=t},N=Pt,L.SubMenu=N,function(t){t.close=function(t){var e=t.getMenu();e instanceof k.SubMenu?e.baseMenu.unpost():e.unpost()},t.getActiveElement=function(t){var e=t.getMenu();return(e instanceof k.SubMenu?e.baseMenu:e).getStore().getActive()},t.error=function(t,e){console.log("ContextMenu Error: "+e)},t.counter=function(){return e++};var e=0}((k=vt=vt||{}).MenuUtil||(k.MenuUtil={})),I=vt=vt||{},R=I.AbstractEntry,gt(Nt,R),Object.defineProperty(Nt.prototype,"content",{get:function(){return this._content},set:function(t){this._content=t,this.generateHtml(),this.getMenu()&&this.getMenu().generateHtml()},enumerable:!0,configurable:!0}),Nt.prototype.getId=function(){return this.id},Nt.prototype.press=function(){this.disabled||(this.executeAction(),this.executeCallbacks_())},Nt.prototype.executeAction=function(){},Nt.prototype.registerCallback=function(t){-1===this.callbacks.indexOf(t)&&this.callbacks.push(t)},Nt.prototype.unregisterCallback=function(t){var e=this.callbacks.indexOf(t);-1!==e&&this.callbacks.splice(e,1)},Nt.prototype.mousedown=function(t){this.press(),this.stop(t)},Nt.prototype.mouseover=function(t){this.focus(),this.stop(t)},Nt.prototype.mouseout=function(t){this.deactivate(),this.stop(t)},Nt.prototype.generateHtml=function(){R.prototype.generateHtml.call(this);var t=this.getHtml();t.setAttribute("aria-disabled","false"),t.textContent=this.content},Nt.prototype.activate=function(){this.disabled||this.getHtml().classList.add(I.HtmlClasses.MENUACTIVE)},Nt.prototype.deactivate=function(){this.getHtml().classList.remove(I.HtmlClasses.MENUACTIVE)},Nt.prototype.focus=function(){this.getMenu().setFocused(this),R.prototype.focus.call(this),this.activate()},Nt.prototype.unfocus=function(){this.deactivate(),R.prototype.unfocus.call(this)},Nt.prototype.escape=function(t){I.MenuUtil.close(this)},Nt.prototype.up=function(t){this.getMenu().up(t)},Nt.prototype.down=function(t){this.getMenu().down(t)},Nt.prototype.left=function(t){if(this.getMenu()instanceof I.ContextMenu)this.getMenu().left(t);else{var e=this.getMenu();e.setFocused(null),e.getAnchor().focus()}},Nt.prototype.right=function(t){this.getMenu().right(t)},Nt.prototype.space=function(t){this.press()},Nt.prototype.disable=function(){this.disabled=!0;var t=this.getHtml();t.classList.add(I.HtmlClasses.MENUDISABLED),t.setAttribute("aria-disabled","true")},Nt.prototype.enable=function(){this.disabled=!1;var t=this.getHtml();t.classList.remove(I.HtmlClasses.MENUDISABLED),t.removeAttribute("aria-disabled")},Nt.prototype.executeCallbacks_=function(){I.MenuUtil.getActiveElement(this);for(var t=0,e=this.callbacks;t<e.length;t++){var r=e[t];try{r(this)}catch(t){I.MenuUtil.error(t,"Callback for menu entry "+this.getId()+" failed.")}}},j=Nt,I.AbstractItem=j,B=vt=vt||{},D=B.AbstractItem,gt(kt,D),kt.prototype.generateHtml=function(){D.prototype.generateHtml.call(this);var t=this.getHtml();this.span||this.generateSpan(),t.appendChild(this.span),this.update()},kt.prototype.register=function(){this.variable.register(this)},kt.prototype.unregister=function(){this.variable.unregister(this)},kt.prototype.update=function(){this.updateAria(),this.span&&this.updateSpan()},H=kt,B.AbstractVariableItem=H,function(t){function e(t){return"."+(F.HtmlClasses[t]||t)}var r={};r[e("INFOCLOSE")]="{  top:.2em; right:.2em;}",r[e("INFOCONTENT")]="{  overflow:auto; text-align:left; font-size:80%;  padding:.4em .6em; border:1px inset; margin:1em 0px;  max-height:20em; max-width:30em; background-color:#EEEEEE;  white-space:normal;}",r[e("INFO")+e("MOUSEPOST")]="{outline:none;}",r[e("INFO")]='{  position:fixed; left:50%; width:auto; text-align:center;  border:3px outset; padding:1em 2em; background-color:#DDDDDD;  color:black;  cursor:default; font-family:message-box; font-size:120%;  font-style:normal; text-indent:0; text-transform:none;  line-height:normal; letter-spacing:normal; word-spacing:normal;  word-wrap:normal; white-space:nowrap; float:none; z-index:201;  border-radius: 15px;                     /* Opera 10.5 and IE9 */  -webkit-border-radius:15px;               /* Safari and Chrome */  -moz-border-radius:15px;                  /* Firefox */  -khtml-border-radius:15px;                /* Konqueror */  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