friendica-addons/mathjax/asset/extensions/MathML/content-mathml.js

/*
 *  /MathJax/extensions/MathML/content-mathml.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.
 */

MathJax.Extension["MathML/content-mathml"]=(function(d){var c=d.Browser.isMSIE;if(c){try{document.namespaces.add("m","http://www.w3.org/1998/Math/MathML")}catch(e){}}var b=d.CombineConfig("MathML.content-mathml",{collapsePlusMinus:true,cistyles:{vector:"bold-italic",matrix:"bold-upright"},symbols:{gamma:"\u03B3"}});var a={version:"2.7.5",settings:b,transformElements:function(h){for(var g=0,f=h.length;g<f;g++){var j=a.transformElement(h[g]);h[g].parentNode.replaceChild(j,h[g])}},transformElement:function(h){if(h.nodeName.indexOf(":")>=0){h=a.cloneNode(h,true)}var i=a.cloneNode(h);for(var g=0,f=h.childNodes.length;g<f;g++){a.applyTransform(i,h.childNodes[g],0)}return i},getTextContent:function(f){return f.text!==undefined?f.text:f.innerText!==undefined?f.innerText:f.textContent},setTextContent:function(h,j){for(var g=0,f=h.childNodes.length;g<f;g++){if(h.childNodes[g].nodeType===3){h.removeChild(h.childNodes[g]);g--;f--}}h.appendChild(document.createTextNode(j))},cloneNode:function(j,g){var m,h,f;if(j.nodeType===1){m=a.createElement(j.nodeName);for(h=0,f=j.attributes.length;h<f;h++){m.setAttribute(j.attributes[h].nodeName,j.attributes[h].nodeValue)}if(g){for(h=0,f=j.childNodes.length;h<f;h++){var k=a.cloneNode(j.childNodes[h],true);m.appendChild(k)}}}else{if(j.nodeType===3){m=document.createTextNode(j.nodeValue)}}return m},createElement:function(f){f=f.replace(/^.*:/,"");return(document.createElementNS?document.createElementNS("http://www.w3.org/1998/Math/MathML",f):document.createElement("m:"+f))},getChildren:function(i){var h=[];for(var g=0,f=i.childNodes.length;g<f;g++){if(i.childNodes[g].nodeType===1){h.push(i.childNodes[g])}}return h},classifyChildren:function(m){var k=[],g=[],o=[];for(var i=0,f=m.childNodes.length;i<f;i++){if(m.childNodes[i].nodeType===1){var n=m.childNodes[i],h=n.nodeName;if(h==="bvar"){g.push(n)}else{if(h==="condition"||h==="degree"||h==="momentabout"||h==="logbase"||h==="lowlimit"||h==="uplimit"||(h==="interval"&&k.length<2)||h==="domainofapplication"){o.push(n)}else{k.push(n)}}}}return{args:k,bvars:g,qualifiers:o}},appendToken:function(f,h,j){var i=a.createElement(h);j=j.replace(/^\s+/,"").replace(/\s+$/,"");if(h==="mn"&&j.substr(0,1)==="-"){i.appendChild(document.createTextNode(j.substr(1)));var g=a.createElement("mrow");a.appendToken(g,"mo","\u2212");g.appendChild(i);i=g}else{i.appendChild(document.createTextNode(j))}f.appendChild(i);return i},applyTransform:function(o,k,f){if(!k){var h=a.createElement("merror");a.appendToken(h,"mtext","Missing child node");o.appendChild(h);return}var p=k.nodeName.replace(/.*:/,"");if(k.nodeType===1){if(a.tokens[p]){a.tokens[p](o,k,f)}else{if(k.childNodes.length===0){var g=a.MML[p];if(g&&g.isa&&g.isa(a.mbase)){o.appendChild(a.cloneNode(k))}else{a.appendToken(o,"mi",p)}}else{var i=a.cloneNode(k);o.appendChild(i);for(var n=0,m=k.childNodes.length;n<m;n++){a.applyTransform(i,k.childNodes[n],f)}}}}else{if(k.nodeType===3){o.appendChild(a.cloneNode(k))}}},createmfenced:function(i,h,m){var k=a.createElement("mfenced");k.setAttribute("open",h);k.setAttribute("close",m);for(var g=0,f=i.length;g<f;g++){a.applyTransform(k,i[g],0)}return k},transforms:{identifier:function(f){return function(h,i,g){a.appendToken(h,"mi",f)}},set:function(g,h){var f=a.transforms.bind("",",","|");return function(j,n){var o=a.classifyChildren(n);var m=o.args,l=o.bvars,p=o.qualifiers;if(l.length){var i=o.args[0];m=m.slice(1);var k=a.createElement("mfenced");k.setAttribute("open",g);k.setAttribute("close",h);f(k,n,i,m,l,p,0);j.appendChild(k)}else{j.appendChild(a.createmfenced(m,g,h))}}},token:function(f){return function(g,m){if(m.childNodes.length===1&&m.childNodes[0].nodeType===3){a.appendToken(g,f,a.getTextContent(m))}else{var i=a.createElement("mrow");for(var k=0,h=m.childNodes.length;k<h;k++){if(m.childNodes[k].nodeType===3){a.appendToken(g,f,a.getTextContent(m.childNodes[k]))}else{a.applyTransform(i,m.childNodes[k],0)}}if(i.childNodes.length){g.appendChild(i)}}}},binary:function(f,g){return function(n,j,l,p,i,m,h){var o=a.createElement("mrow");var k=g<h||(g==h&&f==="-");if(k){a.appendToken(