/************************************************************* * * MathJax/extensions/TeX/mhchem.js * * Implements the \ce command for handling chemical formulas * from the mhchem LaTeX package. * * --------------------------------------------------------------------- * * Copyright (c) 2011-2015 The MathJax Consortium * Copyright (c) 2015-2018 Martin Hensel * * 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. */ MathJax.Extension["TeX/mhchem"]={version:"3.3.0"},MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var t=MathJax.InputJax.TeX,n=MathJax.Object.Subclass({string:"", Init:function(t){this.string=t}, Parse:function(n){try{return a.go(e.go(this.string,n))}catch(n){t.Error(n)}}}),e={ go:function(t,n){if(!t)return[];void 0===n&&(n="ce");var a,o="0",r={};r["@@"]=0,t=(t=(t=t.replace(/\n/g," ")).replace(/[\u2212\u2013\u2014\u2010]/g,"-")).replace(/[\u2026]/g,"...");for(var i=10,c=[];;){a!==t?(i=10,a=t):i--;var u=e.t[n],p=u.u[o]||u.u["*"];t:for(var s=0;s0))return c;if(f.k||(t=_.$),!f.A)break t}}if(i<=0)throw["MhchemBugU","mhchem bug U. 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