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/**
       * @file ext-mathjax.js
       *
       * @license MIT
       *
       * @copyright 2013 Jo Segaert
       *
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You will not be able to manipulate the TeX-code anymore.",mathml_save_warning:"Advised. 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You will not be able to change the mathematics.");case 16:case"end":return t.stop()}}),_callee2,null,[[6,12]])})))()}}}],m.abrupt("return",{name:i.name,svgicons:"mathjax-icons.xml",buttons:i.buttons.map((function(t,e){return Object.assign(d[e],t)})),mouseDown:function mouseDown(){if("mathjax"===o.getMode())return{started:!0}},mouseUp:function mouseUp(t){if("mathjax"===o.getMode()){var e=o.getZoom();return l=t.mouse_x/e,h=t.mouse_y/e,n("#mathjax").show(),{started:!1}}},callback:function callback(){n("<style>").text("#mathjax fieldset{padding: 5px;margin: 5px;border: 1px solid #DDD;}#mathjax label{display: block;margin: .5em;}#mathjax legend {max-width:195px;}#mathjax_overlay {position: absolute;top: 0;left: 0;right: 0;bottom: 0;background-color: black;opacity: 0.6;z-index: 20000;}#mathjax_container {position: absolute;top: 50px;padding: 10px;background-color: #B0B0B0;border: 1px outset #777;opacity: 1.0;font-family: Verdana, Helvetica, sans-serif;font-size: .8em;z-index: 20001;}#tool_mathjax_back {margin-left: 1em;overflow: auto;}#mathjax_legend{font-weight: bold;font-size:1.1em;}#mathjax_code_textarea {\\nmargin: 5px .7em;overflow: hidden;width: 416px;display: block;height: 100px;}").appendTo("head")}});case 12:case"end":return m.stop()}}),_callee3)})))()}}),Object.freeze({__proto__:null,default:{name:"MathJax",buttons:[{title:"Add Mathematics"}]}})),si=Object.freeze({__proto__:null,default:{name:"数学",buttons:[{title:"添加数学计算"}]}});function RE(t,e){return RegExp(t,e)}var ui={UNSUPPORTED_Y:fails((function(){var t=RE("a","y");return t.lastIndex=2,null!=t.exec("abcd")})),BROKEN_CARET:fails((function(){var t=RE("^r","gy");return t.lastIndex=2,null!=t.exec("str")}))},ci=RegExp.prototype.exec,li=String.prototype.replace,hi=ci,fi=function(){var t=/a/,e=/b*/g;return ci.call(t,"a"),ci.call(e,"a"),0!==t.lastIndex||0!==e.lastIndex}(),pi=ui.UNSUPPORTED_Y||ui.BROKEN_CARET,di=void 0!==/()??/.exec("")[1];(fi||di||pi)&&(hi=function exec(t){var 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