/*
* /MathJax/extensions/TeX/mhchem.js * * Copyright (c) 2009-2018 The MathJax Consortium * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
if(MathJax.Extension){MathJax.Ajax.loadComplete(“/extensions/TeX/mhchem.js”)}else{MathJax.Extension={version:“2.7.5”,config:MathJax.Hub.CombineConfig(“TeX.mhchem”,{legacy:true})};if(!MathJax.Extension.config.legacy){if(!MathJax.Ajax.config.path.mhchem){MathJax.Ajax.config.path.mhchem=MathJax.Hub.config.root+“/extensions/TeX/mhchem3”}MathJax.Callback.Queue([“Require”,MathJax.Ajax,“/mhchem.js”],[“loadComplete”,MathJax.Ajax,“/extensions/TeX/mhchem.js”])}else{MathJax.Hub.Register.StartupHook(“TeX Jax Ready”,function(){var b=MathJax.InputJax.TeX;var a=MathJax.Object.Subclass({string:“”,i:0,tex:“”,TEX:“”,atom:false,sup:“”,sub:“”,presup:“”,presub:“”,Init:function©{this.string=c},ParseTable:{“-”:“Minus”,“+”:“Plus”,“(”:“Open”,“)”:“Close”,“”:“Close”,“<”:“Less”,“^”:“Superscript”,_:“Subscript”,“*”:“Dot”,“.”:“Dot”,“=”:“Equal”,“#”:“Pound”,“$”:“Math”,“\”:“Macro”,“ ”:“Space”},Arrows:{“->”:“rightarrow”,“<-”:“leftarrow”,“<->”:“leftrightarrow”,“<=>”:“rightleftharpoons”,“<=>>”:“Rightleftharpoons”,“<<=>”:“Leftrightharpoons”,“^”:“uparrow”,v:“downarrow”},Bonds:{“-”:“-”,“=”:“=”,“#”:“\equiv”,“~”:“\tripledash”,“~-”:“\begin{CEstack}{}\tripledash\\-\end{CEstack}”,“~=”:“\raise2mu{\begin{CEstack}{}\tripledash\\-\\-\end{CEstack}}”,“~–”:“\raise2mu{\begin{CEstack}{}\tripledash\\-\\-\end{CEstack}}”,“-~-”:“\raise2mu{\begin{CEstack}{}-\\\tripledash\\-\end{CEstack}}”,“…”:“{\cdot}{\cdot}{\cdot}”,“.…”:“{\cdot}{\cdot}{\cdot}{\cdot}”,“->”:“\rightarrow”,“<-”:“\leftarrow”,“??”:“\text{??}”},Parse:function(){this.tex=“”;this.atom=false;while(this.i<this.string.length){var d=this.string.charAt(this.i);if(d.match(//i)){this.ParseLetter()}else{if(d.match(//)){this.ParseNumber()}else{this[“Parse”+(this.ParseTable||“Other”)](d)}}}this.FinishAtom(true);return this.TEX},ParseLetter:function(){this.FinishAtom();if(this.Match(/^v( |$)/)){this.tex+=“{\”this.Arrows.v
“}”}else{this.tex+=“\text{”+this.Match(/^/i)
“}”;this.atom=true}},ParseNumber:function(){var e=this.Match(/^d+/);if(this.atom&&!this.sub){this.sub=e}else{this.FinishAtom();var d=this.Match(/^/d+/);if(d){var c=“\frac{”e
“}{”+d.substr(1)+“}”;this.tex+=“\mathchoice{\textstyle”c
“}{”c
“}{”c
“}{”c
“}”}else{this.tex+=e;if(this.i<this.string.length){this.tex+=“\,”}}}},ParseMinus:function(d){if(this.atom&&(this.i===this.string.length-1||this.string.charAt(this.i+1)===“ ”)){this.sup+=d}else{this.FinishAtom();if(this.string.substr(this.i,2)===“->”){this.i+=2;this.AddArrow(“->”);return}else{this.tex+=“{-}”}}this.i++},ParsePlus:function(d){if(this.atom){this.sup+=d}else{this.FinishAtom();this.tex+=d}this.i++},ParseDot:function(d){this.FinishAtom();this.tex+=“\cdot ”;this.i++},ParseEqual:function(d){this.FinishAtom();this.tex+=“{=}”;this.i++},ParsePound:function(d){this.FinishAtom();this.tex+=“{\equiv}”;this.i++},ParseOpen:function(e){this.FinishAtom();var d=this.Match(/^()/);if(d){this.tex+=“{\”+this.Arrows+“}”}else{this.tex+=“{”+e;this.i++}},ParseClose:function(d){this.FinishAtom();this.atom=true;this.tex+=d+“}”;this.i++},ParseLess:function(e){this.FinishAtom();var d=this.Match(/^(<->?|<=>>?|<<=>)/);if(!d){this.tex+=e;this.i++}else{this.AddArrow(d)}},ParseSuperscript:function(f){f=this.string.charAt(++this.i);if(f===“{”){this.i++;var d=this.Find(“}”);if(d===“-.”){this.sup+=“{-}{\cdot}”}else{if(d){this.sup+=a(d).Parse().replace(/^{-}/,“-”)}}}else{if(f===“ ”||f===“”){this.tex+=“{\”+this.Arrows+“}”;this.i++}else{var e=this.Match(/^(d+|-.)/);if(e){this.sup+=e}}}},ParseSubscript:function(e){if(this.string.charAt(++this.i)==“{”){this.i++;this.sub+=a(this.Find(“}”)).Parse().replace(/^{-}/,“-”)}else{var d=this.Match(/^d+/);if(d){this.sub+=d}}},ParseMath:function(d){this.FinishAtom();this.i++;this.tex+=this.Find(d)},ParseMacro:function(f){this.FinishAtom();this.i++;var d=this.Match(/^(+|.)/i)||“ ”;if(d===“sbond”){this.tex+=“{-}”}else{if(d===“dbond”){this.tex+=“{=}”}else{if(d===“tbond”){this.tex+=“{\equiv}”}else{if(d===“bond”){var e=(this.Match(/^{.*?}/)||“”);e=e.substr(1,e.length-2);this.tex+=“{”+(this.Bonds||“\text{??}”)+“}”}else{if(d===“{”){this.tex+=“{\{”}else{if(d===“}”){this.tex+=“\}}”;this.atom=true}else{this.tex+=f+d}}}}}}},ParseSpace:function(d){this.FinishAtom();this.i++},ParseOther:function(d){this.FinishAtom();this.tex+=d;this.i++},AddArrow:function(e){var g=this.Match(/^[/);if(g){this.i–;g=g.charAt(0)}var d=this.GetBracket(g),f=this.GetBracket(g);e=this.Arrows;if(d||f){if(f){e+=“[”f
“]”}e+=“{”d
“}”;e=“\mathrel{\x”e
“}”}else{e=“\long”e
“ ”}this.tex+=e},FinishAtom:function©{if(this.sup||this.sub||this.presup||this.presub){if(!c&&!this.atom){if(this.tex===“”&&!this.sup&&!this.sub){return}if(!this.presup&&!this.presub&&(this.tex===“”||this.tex===“{”||(this.tex===“}”&&this.TEX.substr(-1)===“{”))){this.presup=this.sup,this.presub=this.sub;this.sub=this.sup=“”;this.TEX+=this.tex;this.tex=“”;return}}if(this.sub&&!this.sup){this.sup=“\Space{0pt}{0pt}{.2em}”}if((this.presup||this.presub)&&this.tex!==“{”){if(!this.presup&&!this.sup){this.presup=“\Space{0pt}{0pt}{.2em}”}this.tex=“\CEprescripts{”+(this.presub||“\CEnone”)+“}{”+(this.presup||“\CEnone”)+“}{”+(this.tex!==“}”?this.tex:“”)+“}{”+(this.sub||“\CEnone”)+“}{”+(this.sup||“\CEnone”)+“}”+(this.tex===“}”?“}”:“”);this.presub=this.presup=“”}else{if(this.sup){this.tex+=“^{”this.sup
“}”}if(this.sub){this.tex+=“_{”this.sub
“}”}}this.sup=this.sub=“”}this.TEX+=this.tex;this.tex=“”;this.atom=false},GetBracket:function(e){if(this.string.charAt(this.i)!==“[”){return“”}this.i++;var d=this.Find(“]”);if(e===“C”){d=“\ce{”d
“}”}else{if(e===“T”){if(!d.match(/^{.*}$/)){d=“{”d
“}”}d=“\text”+d}}return d},Match:function(d){var c=d.exec(this.string.substr(this.i));if©{c=c;this.i+=c.length}return c},Find:function(h){var d=this.string.length,e=this.i,g=0;while(this.i<d){var f=this.string.charAt(this.i++);if(f===h&&g===0){return this.string.substr(e,this.i-e-1)}if(f===“{”){g++}else{if(f===“}”){if(g){g–}else{b.Error([“ExtraCloseMissingOpen”,“Extra close brace or missing open brace”])}}}}if(g){b.Error([“MissingCloseBrace”,“Missing close brace”])}b.Error([“NoClosingChar”,“Can't find closing %1”,h])}});MathJax.Extension.CE=a;b.Definitions.Add({macros:{ce:“CE”,cf:“CE”,cee:“CE”,xleftrightarrow:,xrightleftharpoons:,xRightleftharpoons:,xLeftrightharpoons:,longrightleftharpoons:,longRightleftharpoons:,longLeftrightharpoons:,hyphen:,CEprescripts:“CEprescripts”,CEnone:“CEnone”,tripledash:},environment:{CEstack:}},null,true);if(!MathJax.Extension){b.Definitions.Add({macros:{xrightarrow:,xleftarrow:}},null,true)}MathJax.Hub.Register.StartupHook(“TeX AMSmath Ready”,function(){b.Definitions.Add({macros:{xleftrightarrow:,xrightleftharpoons:,xRightleftharpoons:,xLeftrightharpoons:}},null,true)});b.Parse.Augment({CE:function(e){var c=this.GetArgument(e);var d=a©.Parse();this.string=d+this.string.substr(this.i);this.i=0},CEprescripts:function(f){var d=this.ParseArg(f),i=this.ParseArg(f),h=this.ParseArg(f),g=this.ParseArg(f),e=this.ParseArg(f);var c=MathJax.ElementJax.mml;this.Push(c.mmultiscripts(h,g,e,c.mprescripts(),d,i))},CEnone:function©{this.Push(MathJax.ElementJax.mml.none())}});MathJax.Hub.Startup.signal.Post(“TeX mhchem Ready”)});MathJax.Ajax.loadComplete(“/extensions/TeX/mhchem.js”)}};