[mathjax] Add local copy of MathJax JS library

mathjax/asset/localization/en/HelpDialog.js

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+/*
+ *  /MathJax/localization/en/HelpDialog.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.Localization.addTranslation("en","HelpDialog",{version:"2.7.5",isLoaded:true,strings:{Help:"MathJax Help",MathJax:"*MathJax* is a JavaScript library that allows page authors to include mathematics within their web pages. As a reader, you do not need to do anything to make that happen.",Browsers:"*Browsers*: MathJax works with all modern browsers including IE6+, Firefox 3+, Chrome 0.2+, Safari 2+, Opera 9.6+ and most mobile browsers.",Menu:"*Math menu*: MathJax adds a contextual menu to equations. Right-click or Ctrl-click on any mathematics to access the menu.",ShowMath:"*Show math as* allows you to view the formula's source markup for copy \u0026 paste (as MathML or in its original format).",Settings:"*Settings* gives you control over features of MathJax, such as the size of the mathematics, and the mechanism used to display equations.",Language:"*Language* lets you select the language used by MathJax for its menus and warning messages.",Zoom:"*Math zoom*: If you are having difficulty reading an equation, MathJax can enlarge it to help you see it better.",Accessibilty:"*Accessibility*: MathJax will automatically work with screen readers to make mathematics accessible to the visually impaired.",Fonts:"*Fonts*: MathJax will use certain math fonts if they are installed on your computer; otherwise, it will use web-based fonts. Although not required, locally installed fonts will speed up typesetting. We suggest installing the [STIX fonts](%1).",CloseDialog:"Close help dialog"}});MathJax.Ajax.loadComplete("[MathJax]/localization/en/HelpDialog.js");