summaryrefslogtreecommitdiff
path: root/backend/epub/MathJax/extensions
diff options
context:
space:
mode:
Diffstat (limited to 'backend/epub/MathJax/extensions')
-rw-r--r--backend/epub/MathJax/extensions/FontWarnings.js19
-rw-r--r--backend/epub/MathJax/extensions/HelpDialog.js19
-rw-r--r--backend/epub/MathJax/extensions/Makefile.am9
-rw-r--r--backend/epub/MathJax/extensions/MatchWebFonts.js19
-rw-r--r--backend/epub/MathJax/extensions/MathEvents.js19
-rw-r--r--backend/epub/MathJax/extensions/MathML/Makefile.am7
-rw-r--r--backend/epub/MathJax/extensions/MathML/content-mathml.js19
-rw-r--r--backend/epub/MathJax/extensions/MathMenu.js19
-rw-r--r--backend/epub/MathJax/extensions/MathZoom.js19
-rw-r--r--backend/epub/MathJax/extensions/Safe.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/AMScd.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/AMSmath.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/AMSsymbols.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/HTML.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/Makefile.am7
-rw-r--r--backend/epub/MathJax/extensions/TeX/action.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/autobold.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/autoload-all.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/bbox.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/begingroup.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/boldsymbol.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/cancel.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/color.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/enclose.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/extpfeil.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/mathchoice.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/mhchem.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/newcommand.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/noErrors.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/noUndefined.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/unicode.js19
-rw-r--r--backend/epub/MathJax/extensions/TeX/verb.js19
-rw-r--r--backend/epub/MathJax/extensions/asciimath2jax.js19
-rw-r--r--backend/epub/MathJax/extensions/jsMath2jax.js19
-rw-r--r--backend/epub/MathJax/extensions/mml2jax.js19
-rw-r--r--backend/epub/MathJax/extensions/tex2jax.js19
-rw-r--r--backend/epub/MathJax/extensions/toMathML.js19
37 files changed, 0 insertions, 669 deletions
diff --git a/backend/epub/MathJax/extensions/FontWarnings.js b/backend/epub/MathJax/extensions/FontWarnings.js
deleted file mode 100644
index 9ef57176..00000000
--- a/backend/epub/MathJax/extensions/FontWarnings.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/FontWarnings.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(b,d){var i="2.4.0";var a="http://www.stixfonts.org/";var f="https://github.com/mathjax/MathJax/tree/master/fonts/HTML-CSS/TeX/otf";var h=b.CombineConfig("FontWarnings",{messageStyle:{position:"fixed",bottom:"4em",left:"3em",width:"40em",border:"3px solid #880000","background-color":"#E0E0E0",color:"black",padding:"1em","font-size":"small","white-space":"normal","border-radius":".75em","-webkit-border-radius":".75em","-moz-border-radius":".75em","-khtml-border-radius":".75em","box-shadow":"4px 4px 10px #AAAAAA","-webkit-box-shadow":"4px 4px 10px #AAAAAA","-moz-box-shadow":"4px 4px 10px #AAAAAA","-khtml-box-shadow":"4px 4px 10px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=3, OffY=3, Color='gray', Positive='true')"},Message:{webFont:[["closeBox"],["webFont","MathJax is using web-based fonts to display the mathematics on this page. These take time to download, so the page would render faster if you installed math fonts directly in your system's font folder."],["fonts"]],imageFonts:[["closeBox"],["imageFonts","MathJax is using its image fonts rather than local or web-based fonts. This will render slower than usual, and the mathematics may not print at the full resolution of your printer."],["fonts"],["webFonts"]],noFonts:[["closeBox"],["noFonts","MathJax is unable to locate a font to use to display its mathematics, and image fonts are not available, so it is falling back on generic unicode characters in hopes that your browser will be able to display them. Some characters may not show up properly, or possibly not at all."],["fonts"],["webFonts"]]},HTML:{closeBox:[["div",{style:{position:"absolute",overflow:"hidden",top:".1em",right:".1em",border:"1px outset",width:"1em",height:"1em","text-align":"center",cursor:"pointer","background-color":"#EEEEEE",color:"#606060","border-radius":".5em","-webkit-border-radius":".5em","-moz-border-radius":".5em","-khtml-border-radius":".5em"},onclick:function(){if(c.div&&c.fade===0){if(c.timer){clearTimeout(c.timer)}c.div.style.display="none"}}},[["span",{style:{position:"relative",bottom:".2em"}},["x"]]]]],webFonts:[["p"],["webFonts","Most modern browsers allow for fonts to be downloaded over the web. Updating to a more recent version of your browser (or changing browsers) could improve the quality of the mathematics on this page."]],fonts:[["p"],["fonts","MathJax can use either the [STIX fonts](%1) or the [MathJax TeX fonts](%2). Download and install one of those fonts to improve your MathJax experience.",a,f]],STIXfonts:[["p"],["STIXPage","This page is designed to use the [STIX fonts](%1). Download and install those fonts to improve your MathJax experience.",a]],TeXfonts:[["p"],["TeXPage","This page is designed to use the [MathJax TeX fonts](%1). Download and install those fonts to improve your MathJax experience.",f]]},removeAfter:12*1000,fadeoutSteps:10,fadeoutTime:1.5*1000});if(MathJax.Hub.Browser.isIE9&&document.documentMode>=9){delete h.messageStyle.filter}var c={div:null,fade:0};var e=function(m){if(c.div){return}var j=MathJax.OutputJax["HTML-CSS"],n=document.body;if(b.Browser.isMSIE){if(h.messageStyle.position==="fixed"){MathJax.Message.Init();n=document.getElementById("MathJax_MSIE_Frame")||n;if(n!==document.body){h.messageStyle.position="absolute"}}}else{delete h.messageStyle.filter}h.messageStyle.maxWidth=(document.body.clientWidth-75)+"px";var k=0;while(k<m.length){if(m[k] instanceof Array){if(m[k].length===1&&h.HTML[m[k][0]]){m.splice.apply(m,[k,1].concat(h.HTML[m[k][0]]))}else{if(typeof m[k][1]==="string"){var l=MathJax.Localization.lookupPhrase(["FontWarnings",m[k][0]],m[k][1]);l=MathJax.Localization.processMarkdown(l,m[k].slice(2),"FontWarnings");m.splice.apply(m,[k,1].concat(l));k+=l.length}else{k++}}}else{k++}}c.div=j.addElement(n,"div",{id:"MathJax_FontWarning",style:h.messageStyle},m);MathJax.Localization.setCSS(c.div);if(h.removeAfter){b.Register.StartupHook("End",function(){c.timer=setTimeout(g,h.removeAfter)})}d.Cookie.Set("fontWarn",{warned:true})};var g=function(){c.fade++;if(c.timer){delete c.timer}if(c.fade<h.fadeoutSteps){var j=1-c.fade/h.fadeoutSteps;c.div.style.opacity=j;c.div.style.filter="alpha(opacity="+Math.floor(100*j)+")";setTimeout(g,h.fadeoutTime/h.fadeoutSteps)}else{c.div.style.display="none"}};if(!d.Cookie.Get("fontWarn").warned){b.Startup.signal.Interest(function(m){if(m.match(/HTML-CSS Jax - /)&&!c.div){var j=MathJax.OutputJax["HTML-CSS"],n=j.config.availableFonts,l;var k=(n&&n.length);if(!k){h.HTML.fonts=[""]}else{if(n.length===1){h.HTML.fonts=h.HTML[n[0]+"fonts"]}}if(j.allowWebFonts){h.HTML.webfonts=[""]}if(m.match(/- Web-Font/)){if(k){l="webFont"}}else{if(m.match(/- using image fonts/)){l="imageFonts"}else{if(m.match(/- no valid font/)){l="noFonts"}}}if(l&&h.Message[l]){MathJax.Localization.loadDomain("FontWarnings",[e,h.Message[l]])}}})}})(MathJax.Hub,MathJax.HTML);MathJax.Ajax.loadComplete("[MathJax]/extensions/FontWarnings.js");
diff --git a/backend/epub/MathJax/extensions/HelpDialog.js b/backend/epub/MathJax/extensions/HelpDialog.js
deleted file mode 100644
index debb618c..00000000
--- a/backend/epub/MathJax/extensions/HelpDialog.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/HelpDialog.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(d,f,g,c,h){var e=MathJax.Extension.Help={version:"2.4.0"};var b="http://www.stixfonts.org/";var a=MathJax.Menu;var i=d.CombineConfig("HelpDialog",{closeImg:g.urlRev(c.imageDir+"/CloseX-31.png"),styles:{"#MathJax_Help":{position:"fixed",left:"50%",width:"auto","max-width":"90%","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"wrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_HelpContent":{overflow:"auto","text-align":"left","font-size":"80%",padding:".4em .6em",border:"1px inset",margin:"1em 0px","max-height":"20em","max-width":"30em","background-color":"#EEEEEE"}}});e.Dialog=function(){h.loadDomain("HelpDialog",["Post",e])};e.Post=function(){this.div=a.Background(this);var j=f.addElement(this.div,"div",{id:"MathJax_Help"},h._("HelpDialog",[["b",{style:{fontSize:"120%"}},[["Help","MathJax Help"]]],["div",{id:"MathJax_HelpContent"},[["p",{},[["MathJax","*MathJax* is a JavaScript library that allows page authors to include mathematics within their web pages. As a reader, you don't need to do anything to make that happen."]]],["p",{},[["Browsers","*Browsers*: MathJax works with all modern browsers including IE6+, Firefox 3+, Chrome 0.2+, Safari 2+, Opera 9.6+ and most mobile browsers."]]],["p",{},[["Menu","*Math Menu*: MathJax adds a contextual menu to equations. Right-click or CTRL-click on any mathematics to access the menu."]]],["div",{style:{"margin-left":"1em"}},[["p",{},[["ShowMath","*Show Math As* allows you to view the formula's source markup for copy & paste (as MathML or in its origianl format)."]]],["p",{},[["Settings","*Settings* gives you control over features of MathJax, such as the size of the mathematics, and the mechanism used to display equations."]]],["p",{},[["Language","*Language* lets you select the language used by MathJax for its menus and warning messages."]]],]],["p",{},[["Zoom","*Math Zoom*: If you are having difficulty reading an equation, MathJax can enlarge it to help you see it better."]]],["p",{},[["Accessibilty","*Accessibility*: MathJax will automatically work with screen readers to make mathematics accessible to the visually impaired."]]],["p",{},[["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).",b]]]]],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]],["img",{src:i.closeImg,style:{width:"21px",height:"21px",position:"absolute",top:".2em",right:".2em"},onclick:e.Remove}]]));h.setCSS(j);var l=(document.documentElement||{});var k=window.innerHeight||l.clientHeight||l.scrollHeight||0;if(a.prototype.msieAboutBug){j.style.width="20em";j.style.position="absolute";j.style.left=Math.floor((document.documentElement.scrollWidth-j.offsetWidth)/2)+"px";j.style.top=(Math.floor((k-j.offsetHeight)/3)+document.body.scrollTop)+"px"}else{j.style.marginLeft=Math.floor(-j.offsetWidth/2)+"px";j.style.top=Math.floor((k-j.offsetHeight)/3)+"px"}};e.Remove=function(j){if(e.div){document.body.removeChild(e.div);delete e.div}};MathJax.Callback.Queue(d.Register.StartupHook("End Config",{}),["Styles",g,i.styles],["Post",d.Startup.signal,"HelpDialig Ready"],["loadComplete",g,"[MathJax]/extensions/HelpDialog.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax,MathJax.Localization);
diff --git a/backend/epub/MathJax/extensions/Makefile.am b/backend/epub/MathJax/extensions/Makefile.am
deleted file mode 100644
index 4276c9f5..00000000
--- a/backend/epub/MathJax/extensions/Makefile.am
+++ /dev/null
@@ -1,9 +0,0 @@
-SUBDIRS= MathML TeX
-
-MathJaxExtensionsdir= $(backenddir)/epub/MathJax/extensions
-
-MathJaxExtensions_DATA= FontWarnings.js HelpDialog.js MatchWebFonts.js MathEvents.js MathMenu.js MathZoom.js Safe.js asciimath2jax.js jsMath2jax.js mml2jax.js tex2jax.js toMathML.js
-
-EXTRA_DIST = $(MathJaxExtensions_DATA)
-
--include $(top_srcdir)/git.mk
diff --git a/backend/epub/MathJax/extensions/MatchWebFonts.js b/backend/epub/MathJax/extensions/MatchWebFonts.js
deleted file mode 100644
index a81f4a85..00000000
--- a/backend/epub/MathJax/extensions/MatchWebFonts.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/MatchWebFonts.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(c,b){var d="2.4.0";var a=MathJax.Hub.CombineConfig("MatchWebFonts",{matchFor:{"HTML-CSS":true,NativeMML:true,SVG:true},fontCheckDelay:500,fontCheckTimeout:15*1000,});MathJax.Extension.MatchWebFonts={version:d,config:a};c.Register.StartupHook("HTML-CSS Jax Ready",function(){var e=MathJax.OutputJax["HTML-CSS"];var f=e.postTranslate;e.Augment({postTranslate:function(h,g){if(!g&&a.matchFor["HTML-CSS"]&&this.config.matchFontHeight){b.timer.start(b,["checkFonts",this,h.jax[this.id]],a.fontCheckDelay,a.fontCheckTimeout)}return f.apply(this,arguments)},checkFonts:function(k,o){if(k.time(function(){})){return}var s=[],p,l,g=false;for(p=0,l=o.length;p<l;p++){script=o[p];if(script.parentNode&&script.MathJax.elementJax){script.parentNode.insertBefore(this.EmExSpan.cloneNode(true),script)}}for(p=0,l=o.length;p<l;p++){script=o[p];if(!script.parentNode){continue}g=true;var h=script.MathJax.elementJax;if(!h){continue}var r=script.previousSibling;var q=r.firstChild.offsetHeight/60;var j=r.lastChild.lastChild.offsetHeight/60;if(q===0||q==="NaN"){q=this.defaultEx;j=this.defaultEm}if(q!==h.HTMLCSS.ex||j!==h.HTMLCSS.em){var n=q/this.TeX.x_height/j;n=Math.floor(Math.max(this.config.minScaleAdjust/100,n)*this.config.scale);if(n/100!==h.scale){s.push(script);o[p]={}}}}o=o.concat(s);for(p=0,l=o.length;p<l;p++){script=o[p];if(script&&script.parentNode&&script.MathJax.elementJax){script.parentNode.removeChild(script.previousSibling)}}if(s.length){c.Queue(["Rerender",c,[s],{}])}if(g){setTimeout(k,k.delay)}}})});c.Register.StartupHook("SVG Jax Ready",function(){var f=MathJax.OutputJax.SVG;var e=f.postTranslate;f.Augment({postTranslate:function(h,g){if(!g&&a.matchFor.SVG){b.timer.start(b,["checkFonts",this,h.jax[this.id]],a.fontCheckDelay,a.fontCheckTimeout)}return e.apply(this,arguments)},checkFonts:function(j,l){if(j.time(function(){})){return}var q=[],n,k,g=false;for(n=0,k=l.length;n<k;n++){script=l[n];if(script.parentNode&&script.MathJax.elementJax){script.parentNode.insertBefore(this.ExSpan.cloneNode(true),script)}}for(n=0,k=l.length;n<k;n++){script=l[n];if(!script.parentNode){continue}g=true;var h=script.MathJax.elementJax;if(!h){continue}var p=script.previousSibling;var o=p.firstChild.offsetHeight/60;if(o===0||o==="NaN"){o=this.defaultEx}if(o!==h.SVG.ex){q.push(script);l[n]={}}}l=l.concat(q);for(n=0,k=l.length;n<k;n++){script=l[n];if(script.parentNode&&script.MathJax.elementJax){script.parentNode.removeChild(script.previousSibling)}}if(q.length){c.Queue(["Rerender",c,[q],{}])}if(g){setTimeout(j,j.delay)}}})});c.Register.StartupHook("NativeMML Jax Ready",function(){var e=MathJax.OutputJax.NativeMML;var f=e.postTranslate;e.Augment({postTranslate:function(g){if(!c.Browser.isMSIE&&a.matchFor.NativeMML){b.timer.start(b,["checkFonts",this,g.jax[this.id]],a.fontCheckDelay,a.fontCheckTimeout)}f.apply(this,arguments)},checkFonts:function(A,l){if(A.time(function(){})){return}var t=[],q=[],o=[],w,s,B;for(w=0,s=l.length;w<s;w++){B=l[w];if(B.parentNode&&B.MathJax.elementJax){B.parentNode.insertBefore(this.EmExSpan.cloneNode(true),B)}}for(w=0,s=l.length;w<s;w++){B=l[w];if(!B.parentNode){continue}var g=B.MathJax.elementJax;if(!g){continue}var v=document.getElementById(g.inputID+"-Frame");var k=v.getElementsByTagName("math")[0];if(!k){continue}g=g.NativeMML;var y=B.previousSibling;var z=y.firstChild.offsetWidth/60;var h=y.lastChild.offsetWidth/60;if(z===0||z==="NaN"){z=this.defaultEx;h=this.defaultMEx}var r=(z!==g.ex);if(r||h!=g.mex){var C=(this.config.matchFontHeight&&h>1?z/h:1);C=Math.floor(Math.max(this.config.minScaleAdjust/100,C)*this.config.scale);if(C/100!==g.scale){o.push([v.style,C])}g.scale=C/100;g.fontScale=C+"%";g.ex=z;g.mex=h}if("scrollWidth" in g&&(r||g.scrollWidth!==k.firstChild.scrollWidth)){g.scrollWidth=k.firstChild.scrollWidth;t.push([k.parentNode.style,g.scrollWidth/g.ex/g.scale])}if(k.MathJaxMtds){for(var u=0,p=k.MathJaxMtds.length;u<p;u++){if(!k.MathJaxMtds[u].parentNode){continue}if(r||k.MathJaxMtds[u].firstChild.scrollWidth!==g.mtds[u]){g.mtds[u]=k.MathJaxMtds[u].firstChild.scrollWidth;q.push([k.MathJaxMtds[u],g.mtds[u]/g.ex])}}}}for(w=0,s=l.length;w<s;w++){B=l[w];if(B.parentNode&&B.MathJax.elementJax){B.parentNode.removeChild(B.previousSibling)}}for(w=0,s=o.length;w<s;w++){o[w][0].fontSize=o[w][1]+"%"}for(w=0,s=t.length;w<s;w++){t[w][0].width=t[w][1].toFixed(3)+"ex"}for(w=0,s=q.length;w<s;w++){var x=q[w][0].getAttribute("style");x=x.replace(/(($|;)\s*min-width:).*?ex/,"$1 "+q[w][1].toFixed(3)+"ex");q[w][0].setAttribute("style",x)}setTimeout(A,A.delay)}})});c.Startup.signal.Post("MatchWebFonts Extension Ready");b.loadComplete("[MathJax]/extensions/MatchWebFonts.js")})(MathJax.Hub,MathJax.Ajax);
diff --git a/backend/epub/MathJax/extensions/MathEvents.js b/backend/epub/MathJax/extensions/MathEvents.js
deleted file mode 100644
index 0f4aa2a8..00000000
--- a/backend/epub/MathJax/extensions/MathEvents.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/MathEvents.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(d,h,l,g,m,b,j){var q="2.4.0";var i=MathJax.Extension;var c=i.MathEvents={version:q};var k=d.config.menuSettings;var p={hover:500,frame:{x:3.5,y:5,bwidth:1,bcolor:"#A6D",hwidth:"15px",hcolor:"#83A"},button:{x:-4,y:-3,wx:-2,src:l.urlRev(b.imageDir+"/MenuArrow-15.png")},fadeinInc:0.2,fadeoutInc:0.05,fadeDelay:50,fadeoutStart:400,fadeoutDelay:15*1000,styles:{".MathJax_Hover_Frame":{"border-radius":".25em","-webkit-border-radius":".25em","-moz-border-radius":".25em","-khtml-border-radius":".25em","box-shadow":"0px 0px 15px #83A","-webkit-box-shadow":"0px 0px 15px #83A","-moz-box-shadow":"0px 0px 15px #83A","-khtml-box-shadow":"0px 0px 15px #83A",border:"1px solid #A6D ! important",display:"inline-block",position:"absolute"},".MathJax_Hover_Arrow":{position:"absolute",width:"15px",height:"11px",cursor:"pointer"}}};var n=c.Event={LEFTBUTTON:0,RIGHTBUTTON:2,MENUKEY:"altKey",Mousedown:function(r){return n.Handler(r,"Mousedown",this)},Mouseup:function(r){return n.Handler(r,"Mouseup",this)},Mousemove:function(r){return n.Handler(r,"Mousemove",this)},Mouseover:function(r){return n.Handler(r,"Mouseover",this)},Mouseout:function(r){return n.Handler(r,"Mouseout",this)},Click:function(r){return n.Handler(r,"Click",this)},DblClick:function(r){return n.Handler(r,"DblClick",this)},Menu:function(r){return n.Handler(r,"ContextMenu",this)},Handler:function(u,s,t){if(l.loadingMathMenu){return n.False(u)}var r=b[t.jaxID];if(!u){u=window.event}u.isContextMenu=(s==="ContextMenu");if(r[s]){return r[s](u,t)}if(i.MathZoom){return i.MathZoom.HandleEvent(u,s,t)}},False:function(r){if(!r){r=window.event}if(r){if(r.preventDefault){r.preventDefault()}else{r.returnValue=false}if(r.stopPropagation){r.stopPropagation()}r.cancelBubble=true}return false},ContextMenu:function(u,F,x){var C=b[F.jaxID],w=C.getJaxFromMath(F);var G=(C.config.showMathMenu!=null?C:d).config.showMathMenu;if(!G||(k.context!=="MathJax"&&!x)){return}if(c.msieEventBug){u=window.event||u}n.ClearSelection();f.ClearHoverTimer();if(w.hover){if(w.hover.remove){clearTimeout(w.hover.remove);delete w.hover.remove}w.hover.nofade=true}var v=MathJax.Menu;var H,E;if(v){if(v.loadingDomain){return n.False(u)}H=m.loadDomain("MathMenu");if(!H){v.jax=w;var s=v.menu.Find("Show Math As").menu;s.items[0].name=w.sourceMenuTitle;s.items[0].format=(w.sourceMenuFormat||"MathML");s.items[1].name=j[w.inputJax].sourceMenuTitle;s.items[5].disabled=!j[w.inputJax].annotationEncoding;var B=s.items[2];B.disabled=true;var r=B.menu.items;annotationList=MathJax.Hub.Config.semanticsAnnotations;for(var A=0,z=r.length;A<z;A++){var t=r[A].name[1];if(w.root&&w.root.getAnnotation(t)!==null){B.disabled=false;r[A].hidden=false}else{r[A].hidden=true}}var y=v.menu.Find("Math Settings","MathPlayer");y.hidden=!(w.outputJax==="NativeMML"&&d.Browser.hasMathPlayer);return v.menu.Post(u)}v.loadingDomain=true;E=function(){delete v.loadingDomain}}else{if(l.loadingMathMenu){return n.False(u)}l.loadingMathMenu=true;H=l.Require("[MathJax]/extensions/MathMenu.js");E=function(){delete l.loadingMathMenu;if(!MathJax.Menu){MathJax.Menu={}}}}var D={pageX:u.pageX,pageY:u.pageY,clientX:u.clientX,clientY:u.clientY};g.Queue(H,E,["ContextMenu",n,D,F,x]);return n.False(u)},AltContextMenu:function(t,s){var u=b[s.jaxID];var r=(u.config.showMathMenu!=null?u:d).config.showMathMenu;if(r){r=(u.config.showMathMenuMSIE!=null?u:d).config.showMathMenuMSIE;if(k.context==="MathJax"&&!k.mpContext&&r){if(!c.noContextMenuBug||t.button!==n.RIGHTBUTTON){return}}else{if(!t[n.MENUKEY]||t.button!==n.LEFTBUTTON){return}}return u.ContextMenu(t,s,true)}},ClearSelection:function(){if(c.safariContextMenuBug){setTimeout("window.getSelection().empty()",0)}if(document.selection){setTimeout("document.selection.empty()",0)}},getBBox:function(t){t.appendChild(c.topImg);var s=c.topImg.offsetTop,u=t.offsetHeight-s,r=t.offsetWidth;t.removeChild(c.topImg);return{w:r,h:s,d:u}}};var f=c.Hover={Mouseover:function(t,s){if(k.discoverable||k.zoom==="Hover"){var v=t.fromElement||t.relatedTarget,u=t.toElement||t.target;if(v&&u&&(v.isMathJax!=u.isMathJax||d.getJaxFor(v)!==d.getJaxFor(u))){var r=this.getJaxFromMath(s);if(r.hover){f.ReHover(r)}else{f.HoverTimer(r,s)}return n.False(t)}}},Mouseout:function(t,s){if(k.discoverable||k.zoom==="Hover"){var v=t.fromElement||t.relatedTarget,u=t.toElement||t.target;if(v&&u&&(v.isMathJax!=u.isMathJax||d.getJaxFor(v)!==d.getJaxFor(u))){var r=this.getJaxFromMath(s);if(r.hover){f.UnHover(r)}else{f.ClearHoverTimer()}return n.False(t)}}},Mousemove:function(t,s){if(k.discoverable||k.zoom==="Hover"){var r=this.getJaxFromMath(s);if(r.hover){return}if(f.lastX==t.clientX&&f.lastY==t.clientY){return}f.lastX=t.clientX;f.lastY=t.clientY;f.HoverTimer(r,s);return n.False(t)}},HoverTimer:function(r,s){this.ClearHoverTimer();this.hoverTimer=setTimeout(g(["Hover",this,r,s]),p.hover)},ClearHoverTimer:function(){if(this.hoverTimer){clearTimeout(this.hoverTimer);delete this.hoverTimer}},Hover:function(r,v){if(i.MathZoom&&i.MathZoom.Hover({},v)){return}var u=b[r.outputJax],w=u.getHoverSpan(r,v),z=u.getHoverBBox(r,w,v),x=(u.config.showMathMenu!=null?u:d).config.showMathMenu;var B=p.frame.x,A=p.frame.y,y=p.frame.bwidth;if(c.msieBorderWidthBug){y=0}r.hover={opacity:0,id:r.inputID+"-Hover"};var s=h.Element("span",{id:r.hover.id,isMathJax:true,style:{display:"inline-block",width:0,height:0,position:"relative"}},[["span",{className:"MathJax_Hover_Frame",isMathJax:true,style:{display:"inline-block",position:"absolute",top:this.Px(-z.h-A-y-(z.y||0)),left:this.Px(-B-y+(z.x||0)),width:this.Px(z.w+2*B),height:this.Px(z.h+z.d+2*A),opacity:0,filter:"alpha(opacity=0)"}}]]);var t=h.Element("span",{isMathJax:true,id:r.hover.id+"Menu",style:{display:"inline-block","z-index":1,width:0,height:0,position:"relative"}},[["img",{className:"MathJax_Hover_Arrow",isMathJax:true,math:v,src:p.button.src,onclick:this.HoverMenu,jax:u.id,style:{left:this.Px(z.w+B+y+(z.x||0)+p.button.x),top:this.Px(-z.h-A-y-(z.y||0)-p.button.y),opacity:0,filter:"alpha(opacity=0)"}}]]);if(z.width){s.style.width=t.style.width=z.width;s.style.marginRight=t.style.marginRight="-"+z.width;s.firstChild.style.width=z.width;t.firstChild.style.left="";t.firstChild.style.right=this.Px(p.button.wx)}w.parentNode.insertBefore(s,w);if(x){w.parentNode.insertBefore(t,w)}if(w.style){w.style.position="relative"}this.ReHover(r)},ReHover:function(r){if(r.hover.remove){clearTimeout(r.hover.remove)}r.hover.remove=setTimeout(g(["UnHover",this,r]),p.fadeoutDelay);this.HoverFadeTimer(r,p.fadeinInc)},UnHover:function(r){if(!r.hover.nofade){this.HoverFadeTimer(r,-p.fadeoutInc,p.fadeoutStart)}},HoverFade:function(r){delete r.hover.timer;r.hover.opacity=Math.max(0,Math.min(1,r.hover.opacity+r.hover.inc));r.hover.opacity=Math.floor(1000*r.hover.opacity)/1000;var t=document.getElementById(r.hover.id),s=document.getElementById(r.hover.id+"Menu");t.firstChild.style.opacity=r.hover.opacity;t.firstChild.style.filter="alpha(opacity="+Math.floor(100*r.hover.opacity)+")";if(s){s.firstChild.style.opacity=r.hover.opacity;s.firstChild.style.filter=t.style.filter}if(r.hover.opacity===1){return}if(r.hover.opacity>0){this.HoverFadeTimer(r,r.hover.inc);return}t.parentNode.removeChild(t);if(s){s.parentNode.removeChild(s)}if(r.hover.remove){clearTimeout(r.hover.remove)}delete r.hover},HoverFadeTimer:function(r,t,s){r.hover.inc=t;if(!r.hover.timer){r.hover.timer=setTimeout(g(["HoverFade",this,r]),(s||p.fadeDelay))}},HoverMenu:function(r){if(!r){r=window.event}return b[this.jax].ContextMenu(r,this.math,true)},ClearHover:function(r){if(r.hover.remove){clearTimeout(r.hover.remove)}if(r.hover.timer){clearTimeout(r.hover.timer)}f.ClearHoverTimer();delete r.hover},Px:function(r){if(Math.abs(r)<0.006){return"0px"}return r.toFixed(2).replace(/\.?0+$/,"")+"px"},getImages:function(){if(k.discoverable){var r=new Image();r.src=p.button.src}}};var a=c.Touch={last:0,delay:500,start:function(s){var r=new Date().getTime();var t=(r-a.last<a.delay&&a.up);a.last=r;a.up=false;if(t){a.timeout=setTimeout(a.menu,a.delay,s,this);s.preventDefault()}},end:function(s){var r=new Date().getTime();a.up=(r-a.last<a.delay);if(a.timeout){clearTimeout(a.timeout);delete a.timeout;a.last=0;a.up=false;s.preventDefault();return n.Handler((s.touches[0]||s.touch),"DblClick",this)}},menu:function(s,r){delete a.timeout;a.last=0;a.up=false;return n.Handler((s.touches[0]||s.touch),"ContextMenu",r)}};if(d.Browser.isMobile){var o=p.styles[".MathJax_Hover_Arrow"];o.width="25px";o.height="18px";p.button.x=-6}d.Browser.Select({MSIE:function(r){var t=(document.documentMode||0);var s=r.versionAtLeast("8.0");c.msieBorderWidthBug=(document.compatMode==="BackCompat");c.msieEventBug=r.isIE9;c.msieAlignBug=(!s||t<8);if(t<9){n.LEFTBUTTON=1}},Safari:function(r){c.safariContextMenuBug=true},Opera:function(r){c.operaPositionBug=true},Konqueror:function(r){c.noContextMenuBug=true}});c.topImg=(c.msieAlignBug?h.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):h.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(c.operaPositionBug){c.topImg.style.border="1px solid"}c.config=p=d.CombineConfig("MathEvents",p);var e=function(){var r=p.styles[".MathJax_Hover_Frame"];r.border=p.frame.bwidth+"px solid "+p.frame.bcolor+" ! important";r["box-shadow"]=r["-webkit-box-shadow"]=r["-moz-box-shadow"]=r["-khtml-box-shadow"]="0px 0px "+p.frame.hwidth+" "+p.frame.hcolor};g.Queue(d.Register.StartupHook("End Config",{}),[e],["getImages",f],["Styles",l,p.styles],["Post",d.Startup.signal,"MathEvents Ready"],["loadComplete",l,"[MathJax]/extensions/MathEvents.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.Callback,MathJax.Localization,MathJax.OutputJax,MathJax.InputJax);
diff --git a/backend/epub/MathJax/extensions/MathML/Makefile.am b/backend/epub/MathJax/extensions/MathML/Makefile.am
deleted file mode 100644
index 205f397d..00000000
--- a/backend/epub/MathJax/extensions/MathML/Makefile.am
+++ /dev/null
@@ -1,7 +0,0 @@
-MathJaxExtensionsMathMLdir= $(backenddir)/epub/MathJax/extensions/MathML
-
-MathJaxExtensionsMathML_DATA= content-mathml.js
-
-EXTRA_DIST = $(MathJaxExtensionsMathML_DATA)
-
--include $(top_srcdir)/git.mk
diff --git a/backend/epub/MathJax/extensions/MathML/content-mathml.js b/backend/epub/MathJax/extensions/MathML/content-mathml.js
deleted file mode 100644
index 225a8656..00000000
--- a/backend/epub/MathJax/extensions/MathML/content-mathml.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/MathML/content-mathml.js
- *
- * Copyright (c) 2009-2014 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"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("MathML Jax Ready",function(){var c=MathJax.InputJax.MathML,e=c.Parse.prototype;c.prefilterHooks.Add(function(h){if(!c.ctopXSLT){return}if(!c.ParseXML){c.ParseXML=c.createParser()}var i=c.ParseXML(e.preProcessMath(h.math));var g=c.ctopXSLT.transformToDocument(i);if((typeof g)==="string"){h.math=g}else{if(window.XMLSerializer){var f=new XMLSerializer();h.math=f.serializeToString(g.documentElement,i)}}});var a='<x:stylesheet version="1.0" xmlns:x="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.w3.org/1998/Math/MathML" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:c="http://exslt.org/common" exclude-result-prefixes="m c"><!-- Copyright David Carlisle 2001, 2002, 2008, 2009, 2013. Use and distribution of this code are permitted under the terms of the <a href="http://www.w3.org/Consortium/Legal/copyright-software-19980720" >W3C Software Notice and License</a>. Or the Apache 2, MIT or MPL 1.1 or MPL 2.0 licences. --> <x:output method="xml" /><x:template match="/"><x:apply-templates/></x:template><x:template match="*"><x:copy><x:copy-of select="@*"/><x:apply-templates/></x:copy></x:template><x:template match="m:cn"><mn><x:apply-templates/></mn></x:template><x:template match="m:cn[@type=\'complex-cartesian\']"><mrow><mn><x:apply-templates select="text()[1]"/></mn><mo>+</mo><mn><x:apply-templates select="text()[2]"/></mn><mo>&#8290;<!--invisible times--></mo><mi>i<!-- imaginary i --></mi></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'complex_cartesian\']]"><mrow><mn><x:apply-templates select="*[2]"/></mn><mo>+</mo><mn><x:apply-templates select="*[3]"/></mn><mo>&#8290;<!--invisible times--></mo><mi>i<!-- imaginary i --></mi></mrow></x:template><x:template match="m:cn[@type=\'rational\']"><mrow><mn><x:apply-templates select="text()[1]"/></mn><mo>/</mo><mn><x:apply-templates select="text()[2]"/></mn></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'rational\']]"><mrow><mn><x:apply-templates select="*[2]"/></mn><mo>/</mo><mn><x:apply-templates select="*[3]"/></mn></mrow></x:template><x:template match="m:cn[not(@type) or @type=\'integer\']"><x:choose><x:when test="not(@base) or @base=10"><mn><x:apply-templates/></mn></x:when><x:otherwise><msub><mn><x:apply-templates/></mn><mn><x:value-of select="@base"/></mn></msub></x:otherwise></x:choose></x:template><x:template match="m:cn[@type=\'complex-polar\']"><mrow><mn><x:apply-templates select="text()[1]"/></mn><mo>&#8290;<!--invisible times--></mo><msup><mi>e<!-- exponential e--></mi><mrow><mi>i<!-- imaginary i--></mi><mo>&#8290;<!--invisible times--></mo><mn><x:apply-templates select="text()[2]"/></mn></mrow></msup></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'complex_polar\']]"><mrow><x:apply-templates select="*[2]"/><mo>&#8290;<!--invisible times--></mo><msup><mi>e<!-- exponential e--></mi><mrow><mi>i<!-- imaginary i--></mi><mo>&#8290;<!--invisible times--></mo><x:apply-templates select="*[3]"/></mrow></msup></mrow></x:template><x:template match="m:cn[@type=\'e-notation\']"><mn><x:apply-templates select="m:sep/preceding-sibling::node()"/><x:text>E</x:text><x:apply-templates select="m:sep/following-sibling::node()"/></mn></x:template><x:template match="m:cn[@type=\'hexdouble\']"><mn><x:text>0x</x:text><x:apply-templates/></mn></x:template><x:template match="m:ci/text()"><mi><x:value-of select="."/></mi></x:template><x:template match="m:ci"><mrow><x:apply-templates/></mrow></x:template><x:template match="m:csymbol/text()"><mi><x:value-of select="."/></mi></x:template><x:template match="m:csymbol"><mrow><x:apply-templates/></mrow></x:template><x:template match="m:apply|m:reln"><mrow><x:choose><x:when test="*[1]/*/*"><mfenced separators=""><x:apply-templates select="*[1]"><x:with-param name="p" select="10"/></x:apply-templates></mfenced></x:when><x:otherwise><x:apply-templates select="*[1]"><x:with-param name="p" select="10"/></x:apply-templates></x:otherwise></x:choose><mo>&#8289;<!--function application--></mo><mfenced open="(" close=")" separators=","><x:apply-templates select="*[position()>1]"/></mfenced></mrow></x:template><x:template match="m:bind"><mrow><x:choose><x:when test="*[1]/*/*"><mfenced separators=""><x:apply-templates select="*[1]"><x:with-param name="p" select="10"/></x:apply-templates></mfenced></x:when><x:otherwise><x:apply-templates select="*[1]"><x:with-param name="p" select="10"/></x:apply-templates></x:otherwise></x:choose><x:apply-templates select="bvar/*"/><mo>.</mo><x:apply-templates select="*[position()>1][not(self::m:bvar)]"/></mrow></x:template><x:template match="m:fn"><mrow><x:apply-templates/></mrow></x:template><x:template match="m:interval[*[2]]"><mfenced open="[" close="]"><x:apply-templates/></mfenced></x:template><x:template match="m:interval[*[2]][@closure=\'open\']" priority="2"><mfenced open="(" close=")"><x:apply-templates/></mfenced></x:template><x:template match="m:interval[*[2]][@closure=\'open-closed\']" priority="2"><mfenced open="(" close="]"><x:apply-templates/></mfenced></x:template><x:template match="m:interval[*[2]][@closure=\'closed-open\']" priority="2"><mfenced open="[" close=")"><x:apply-templates/></mfenced></x:template><x:template match="m:interval"><mfenced open="{{" close="}}"><x:apply-templates/></mfenced></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'integer_interval\']]"><mfenced open="[" close="]"><x:apply-templates select="*[position()!=1]"/></mfenced></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'interval\']]"><mfenced open="[" close="]"><x:apply-templates select="*[position()!=1]"/></mfenced></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'interval-cc\']]"><mfenced open="[" close="]"><x:apply-templates select="*[position()!=1]"/></mfenced></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'interval-oo\']]"><mfenced open="(" close=")"><x:apply-templates select="*[position()!=1]"/></mfenced></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'oriented_interval\']]"><mfenced open="(" close=")"><x:apply-templates select="*[position()!=1]"/></mfenced></x:template><x:template match="m:apply[*[1][self::m:inverse]] |m:apply[*[1][self::m:csymbol=\'inverse\']]"><msup><x:apply-templates select="*[2]"/><mrow><mo>(</mo><mn>-1</mn><mo>)</mo></mrow></msup></x:template><x:template match="m:condition"><mrow><x:apply-templates/></mrow></x:template><x:template match="m:declare"/><x:template match="m:lambda |m:apply[*[1][self::m:csymbol=\'lambda\']] |m:bind[*[1][self::m:csymbol=\'lambda\']]"><mrow><mi>&#955;<!--lambda--></mi><mrow><x:choose><x:when test="m:condition"><x:apply-templates select="m:condition/*"/></x:when><x:otherwise><x:apply-templates select="m:bvar/*"/></x:otherwise></x:choose><x:if test="m:domainofapplication"><mo>&#x2208;</mo><x:apply-templates select="m:domainofapplication/*"/></x:if></mrow><mo>.</mo><mfenced><x:apply-templates select="*[last()]"/></mfenced></mrow></x:template><x:template match="m:lambda[not(m:bvar)]" priority="2"><mrow><x:apply-templates select="*[last()]"/><msub><mo>|</mo><mrow><x:apply-templates select="m:condition|m:interval|m:domainofapplication/*"/></mrow></msub></mrow></x:template><x:template match="m:apply[*[1][self::m:compose]] |m:apply[*[1][self::m:csymbol=\'left_compose\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8728;<!-- o --></mo></x:with-param></x:call-template></x:template><x:template match="m:ident"><mi>id</mi></x:template><x:template match="m:domain"><mi>domain</mi></x:template><x:template match="m:codomain"><mi>codomain</mi></x:template><x:template match="m:image"><mi>image</mi></x:template><x:template match="m:domainofapplication"><merror><mtext>unexpected domainofapplication</mtext></merror></x:template><x:template match="m:apply[*[2][self::m:bvar]][m:domainofapplication]" priority="0.4"><mrow><munder><x:apply-templates select="*[1]"/><mrow><x:apply-templates select="m:bvar/*"/><mo>&#8712;<!-- in --></mo><x:apply-templates select="m:domainofapplication/*"/></mrow></munder><mfenced><x:apply-templates select="m:domainofapplication/following-sibling::*"/></mfenced></mrow></x:template><x:template match="m:apply[m:domainofapplication]" priority="0.3"><mrow><mrow><mi>restriction</mi><mfenced><x:apply-templates select="*[1]"/><x:apply-templates select="m:domainofapplication/*"/></mfenced></mrow><mfenced><x:apply-templates select="m:domainofapplication/following-sibling::*"/></mfenced></mrow></x:template><x:template match="m:piecewise"><mrow><mo>{</mo><mtable><x:for-each select="m:piece|m:otherwise"><mtr><mtd><x:apply-templates select="*[1]"/></mtd><x:choose><x:when test="self::m:piece"><mtd columnalign="left"><mtext>&#160; if &#160;</mtext></mtd><mtd><x:apply-templates select="*[2]"/></mtd></x:when><x:otherwise><mtd columnspan="2" columnalign="left"><mtext>&#160; otherwise</mtext></mtd></x:otherwise></x:choose></mtr></x:for-each></mtable></mrow></x:template><x:template match="m:apply[*[1][self::m:quotient]] |m:apply[*[1][self::m:csymbol=\'quotient\']]"><mrow><mo>&#8970;<!-- lfloor--></mo><x:apply-templates select="*[2]"/><mo>/</mo><x:apply-templates select="*[3]"/><mo>&#8971;<!-- rfloor--></mo></mrow></x:template><x:template match="m:apply[*[1][self::m:factorial]] |m:apply[*[1][self::m:csymbol=\'factorial\']]"><mrow><x:apply-templates select="*[2]"><x:with-param name="p" select="7"/></x:apply-templates><mo>!</mo></mrow></x:template><x:template match="m:apply[*[1][self::m:divide]] |m:apply[*[1][self::m:csymbol=\'divide\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="mo"><mo>/</mo></x:with-param><x:with-param name="p" select="$p"/><x:with-param name="this-p" select="3"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:max]] |m:apply[*[1][self::m:csymbol=\'max\']]"><mrow><mi>max</mi><x:call-template name="set"/></mrow></x:template><x:template match="m:apply[*[1][self::m:min]]|m:reln[*[1][self::m:min]]"><mrow><mi>min</mi><x:call-template name="set"/></mrow></x:template><x:template match="m:apply[*[1][self::m:minus] and count(*)=2] |m:apply[*[1][self::m:csymbol=\'unary_minus\']]"><mrow><mo>&#8722;<!--minus--></mo><x:apply-templates select="*[2]"><x:with-param name="p" select="5"/></x:apply-templates></mrow></x:template><x:template match="m:apply[*[1][self::m:minus] and count(*)&gt;2] |m:apply[*[1][self::m:csymbol=\'minus\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="mo"><mo>&#8722;<!--minus--></mo></x:with-param><x:with-param name="p" select="$p"/><x:with-param name="this-p" select="2"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:plus]] |m:apply[*[1][self::m:csymbol=\'plus\']]"><x:param name="p" select="0"/><mrow><x:if test="$p &gt; 2"><mo>(</mo></x:if><x:for-each select="*[position()&gt;1]"><x:choose><x:when test="self::m:apply[*[1][self::m:times] and *[2][self::m:apply/*[1][self::m:minus] or self::m:cn[not(m:sep) and (number(.) &lt; 0)]]] or self::m:apply[count(*)=2 and *[1][self::m:minus]] or self::m:cn[not(m:sep) and (number(.) &lt; 0)]"><mo>&#8722;<!--minus--></mo></x:when><x:when test="position()!=1"><mo>+</mo></x:when></x:choose><x:choose><x:when test="self::m:cn[not(m:sep) and (number(.) &lt; 0)]"><mn><x:value-of select="-(.)"/></mn></x:when><x:when test=" self::m:apply[count(*)=2 and *[1][self::m:minus]]"><x:apply-templates select="*[2]"><x:with-param name="first" select="2"/><x:with-param name="p" select="2"/></x:apply-templates></x:when><x:when test="self::m:apply[*[1][self::m:times] and *[2][self::m:cn[not(m:sep) and (number(.) &lt;0)]]]"><mrow><mn><x:value-of select="-(*[2])"/></mn><mo>&#8290;<!--invisible times--></mo><x:apply-templates select="."><x:with-param name="first" select="2"/><x:with-param name="p" select="2"/></x:apply-templates></mrow></x:when><x:when test="self::m:apply[*[1][self::m:times] and *[2][self::m:apply/*[1][self::m:minus]]]"><mrow><x:apply-templates select="./*[2]/*[2]"/><x:apply-templates select="."><x:with-param name="first" select="2"/><x:with-param name="p" select="2"/></x:apply-templates></mrow></x:when><x:otherwise><x:apply-templates select="."><x:with-param name="p" select="2"/></x:apply-templates></x:otherwise></x:choose></x:for-each><x:if test="$p &gt; 2"><mo>)</mo></x:if></mrow></x:template><x:template match="m:apply[*[1][self::m:power]] |m:apply[*[1][self::m:csymbol=\'power\']]"><x:param name="p" select="0"/><x:choose><x:when test="$p&gt;=5"><mrow><mo>(</mo><msup><x:apply-templates select="*[2]"><x:with-param name="p" select="5"/></x:apply-templates><x:apply-templates select="*[3]"><x:with-param name="p" select="5"/></x:apply-templates></msup><mo>)</mo></mrow></x:when><x:otherwise><msup><x:apply-templates select="*[2]"><x:with-param name="p" select="5"/></x:apply-templates><x:apply-templates select="*[3]"><x:with-param name="p" select="5"/></x:apply-templates></msup></x:otherwise></x:choose></x:template><x:template match="m:apply[*[1][self::m:rem]] |m:apply[*[1][self::m:csymbol=\'rem\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="mo"><mo>mod</mo></x:with-param><x:with-param name="p" select="$p"/><x:with-param name="this-p" select="3"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:times]] |m:apply[*[1][self::m:csymbol=\'times\']]" name="times"><x:param name="p" select="0"/><x:param name="first" select="1"/><mrow><x:if test="$p &gt; 3"><mo>(</mo></x:if><x:for-each select="*[position()&gt;1]"><x:if test="position() &gt; 1"><mo><x:choose><x:when test="self::m:cn">&#215;<!-- times --></x:when><x:otherwise>&#8290;<!--invisible times--></x:otherwise></x:choose></mo></x:if><x:if test="position()&gt;= $first"><x:apply-templates select="."><x:with-param name="p" select="3"/></x:apply-templates></x:if></x:for-each><x:if test="$p &gt; 3"><mo>)</mo></x:if></mrow></x:template><x:template match="m:apply[*[1][self::m:root] and not(m:degree) or m:degree=2]" priority="4"><msqrt><x:apply-templates select="*[position()&gt;1]"/></msqrt></x:template><x:template match="m:apply[*[1][self::m:root]]"><mroot><x:apply-templates select="*[position()&gt;1 and not(self::m:degree)]"/><mrow><x:apply-templates select="m:degree/*"/></mrow></mroot></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'root\']]"><mroot><x:apply-templates select="*[position()!=1]"/></mroot></x:template><x:template match="m:gcd"><mi>gcd</mi></x:template><x:template match="m:apply[*[1][self::m:and]] |m:reln[*[1][self::m:and]] |m:apply[*[1][self::m:csymbol=\'and\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8743;<!-- and --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:or]] |m:apply[*[1][self::m:csymbol=\'or\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="3"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8744;<!-- or --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:xor]] |m:apply[*[1][self::m:csymbol=\'xor\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="3"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>xor</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:not]] |m:apply[*[1][self::m:csymbol=\'not\']]"><mrow><mo>&#172;<!-- not --></mo><x:apply-templates select="*[2]"><x:with-param name="p" select="7"/></x:apply-templates></mrow></x:template><x:template match="m:apply[*[1][self::m:implies]] |m:reln[*[1][self::m:implies]] |m:apply[*[1][self::m:csymbol=\'implies\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="mo"><mo>&#8658;<!-- Rightarrow --></mo></x:with-param><x:with-param name="p" select="$p"/><x:with-param name="this-p" select="3"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:forall]] |m:apply[*[1][self::m:csymbol=\'forall\']] |m:bind[*[1][self::m:forall]] |m:bind[*[1][self::m:csymbol=\'forall\']]"><mrow><mo>&#8704;<!--forall--></mo><mrow><x:apply-templates select="m:bvar[not(current()/m:condition)]/*|m:condition/*"/></mrow><mo>.</mo><mfenced><x:apply-templates select="*[last()]"/></mfenced></mrow></x:template><x:template match="m:apply[*[1][self::m:exists]] |m:apply[*[1][self::m:csymbol=\'exists\']] |m:bind[*[1][self::m:exists]] |m:bind[*[1][self::m:csymbol=\'exists\']]"><mrow><mo>&#8707;<!--exists--></mo><mrow><x:apply-templates select="m:bvar[not(current()/m:condition)]/*|m:condition/*"/></mrow><mo>.</mo><mfenced separators=""><x:choose><x:when test="m:condition"><x:apply-templates select="m:condition/*"/><mo>&#8743;<!-- and --></mo></x:when><x:when test="m:domainofapplication"><mrow><mrow><x:for-each select="m:bvar"><x:apply-templates/><x:if test="position()!=last()"><mo>,</mo></x:if></x:for-each></mrow><mo>&#8712;<!-- in --></mo><x:apply-templates select="m:domainofapplication/*"/></mrow><mo>&#8743;<!-- and --></mo></x:when></x:choose><x:apply-templates select="*[last()]"/></mfenced></mrow></x:template><x:template match="m:apply[*[1][self::m:abs]] |m:apply[*[1][self::m:csymbol=\'abs\']]"><mrow><mo>|</mo><x:apply-templates select="*[2]"/><mo>|</mo></mrow></x:template><x:template match="m:apply[*[1][self::m:conjugate]] |m:apply[*[1][self::m:csymbol=\'conjugate\']]"><mover><x:apply-templates select="*[2]"/><mo>&#175;<!-- overline --></mo></mover></x:template><x:template match="m:arg"><mi>arg</mi></x:template><x:template match="m:real|m:csymbol[.=\'real\']"><mo>&#8475;<!-- real --></mo></x:template><x:template match="m:imaginary|m:csymbol[.=\'imaginary\']"><mo>&#8465;<!-- imaginary --></mo></x:template><x:template match="m:lcm"><mi>lcm</mi></x:template><x:template match="m:apply[*[1][self::m:floor]] |m:apply[*[1][self::m:csymbol=\'floor\']]"><mrow><mo>&#8970;<!-- lfloor--></mo><x:apply-templates select="*[2]"/><mo>&#8971;<!-- rfloor--></mo></mrow></x:template><x:template match="m:apply[*[1][self::m:ceiling]] |m:apply[*[1][self::m:csymbol=\'ceiling\']]"><mrow><mo>&#8968;<!-- lceil--></mo><x:apply-templates select="*[2]"/><mo>&#8969;<!-- rceil--></mo></mrow></x:template><x:template match="m:apply[*[1][self::m:eq]] |m:reln[*[1][self::m:eq]] |m:apply[*[1][self::m:csymbol=\'eq\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>=</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:neq]] |m:apply[*[1][self::m:csymbol=\'neq\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8800;<!-- neq --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:gt]] |m:reln[*[1][self::m:gt]] |m:apply[*[1][self::m:csymbol=\'gt\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&gt;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:lt]] |m:reln[*[1][self::m:lt]] |m:apply[*[1][self::m:csymbol=\'lt\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&lt;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:geq]] |m:apply[*[1][self::m:csymbol=\'geq\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8805;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:leq]] |m:apply[*[1][self::m:csymbol=\'leq\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8804;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:equivalent]] |m:apply[*[1][self::m:csymbol=\'equivalent\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8801;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:approx]] |m:apply[*[1][self::m:csymbol=\'approx\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="1"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8771;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:factorof]] |m:apply[*[1][self::m:csymbol=\'factorof\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="mo"><mo>|</mo></x:with-param><x:with-param name="p" select="$p"/><x:with-param name="this-p" select="3"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:int]] |m:apply[*[1][self::m:csymbol=\'int\']] |m:bind[*[1][self::m:int]] |m:bind[*[1][self::m:csymbol=\'int\']]"><mrow><msubsup><mi>&#8747;<!--int--></mi><mrow><x:apply-templates select="m:lowlimit/*|m:interval/*[1]|m:condition/*|m:domainofapplication/*"/></mrow><mrow><x:apply-templates select="m:uplimit/*|m:interval/*[2]"/></mrow></msubsup><x:apply-templates select="*[last()]"/><x:if test="m:bvar"><mi>d</mi><x:apply-templates select="m:bvar"/></x:if></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'defint\']]"><mrow><munder><mi>&#8747;<!--int--></mi><x:apply-templates select="*[2]"/></munder><x:apply-templates select="*[last()]"/></mrow></x:template><x:template match="m:apply[*[1][self::m:diff] and not(m:bvar)]| m:apply[*[1][self::m:csymbol=\'diff\']]" priority="2"><msup><mrow><x:apply-templates select="*[2]"/></mrow><mo>&#8242;<!--prime--></mo></msup></x:template><x:template match="m:apply[*[1][self::m:diff]]" priority="1"><mfrac><x:choose><x:when test="m:bvar/m:degree"><mrow><msup><mi>d</mi><x:apply-templates select="m:bvar/m:degree/node()"/></msup><x:apply-templates select="*[last()]"/></mrow><mrow><mi>d</mi><msup><x:apply-templates select="m:bvar/node()"/><x:apply-templates select="m:bvar/m:degree/node()"/></msup></mrow></x:when><x:otherwise><mrow><mi>d</mi><x:apply-templates select="*[last()]"/></mrow><mrow><mi>d</mi><x:apply-templates select="m:bvar"/></mrow></x:otherwise></x:choose></mfrac></x:template><x:template match="m:apply[*[1][self::m:partialdiff] and m:list and not(m:bvar) and count(*)=3]" priority="2"><mrow><msub><mi>D</mi><mrow><x:for-each select="m:list[1]/*"><x:apply-templates select="."/><x:if test="position()&lt;last()"><mo>,</mo></x:if></x:for-each></mrow></msub><mrow><x:apply-templates select="*[3]"/></mrow></mrow></x:template><x:template match="m:apply[*[1][self::m:partialdiff] and m:list and m:lambda]" priority="3"><mfrac><mrow><x:choose><x:when test="count(m:list/*)=1"><mo>&#8706;<!-- partial --></mo></x:when><x:otherwise><msup><mo>&#8706;<!-- partial --></mo><mrow><x:choose><x:when test="m:degree"><x:apply-templates select="m:degree/node()"/></x:when><x:otherwise><mn><x:value-of select="count(m:list/*)"/></mn></x:otherwise></x:choose></mrow></msup></x:otherwise></x:choose><x:apply-templates select="m:lambda/*[last()]"/></mrow><mrow><x:call-template name="pddx"/></mrow></mfrac></x:template><x:template name="pddx"><x:param name="n" select="1"/><x:param name="b" select="m:lambda/m:bvar"/><x:param name="l" select="m:list/*"/><x:choose><x:when test="number($l[1])=number($l[2])"><x:call-template name="pddx"><x:with-param name="n" select="$n+1"/><x:with-param name="b" select="$b"/><x:with-param name="l" select="$l[position()!=1]"/></x:call-template></x:when><x:otherwise><mrow><mo>&#8706;<!-- partial --></mo><x:choose><x:when test="$n=1"><x:apply-templates select="$b[position()=$l[1]]/*"/></x:when><x:otherwise><msup><x:apply-templates select="$b[position()=$l[1]]/*"/><mn><x:value-of select="$n"/></mn></msup></x:otherwise></x:choose></mrow><x:if test="$l[2]"><x:call-template name="pddx"><x:with-param name="b" select="$b"/><x:with-param name="l" select="$l[position()!=1]"/></x:call-template></x:if></x:otherwise></x:choose></x:template><x:template match="m:apply[*[1][self::m:partialdiff]]" priority="1"><mfrac><mrow><x:choose><x:when test="not(m:bvar/m:degree) and not(m:bvar[2])"><mo>&#8706;<!-- partial --></mo></x:when><x:otherwise><msup><mo>&#8706;<!-- partial --></mo><mrow><x:choose><x:when test="m:degree"><x:apply-templates select="m:degree/node()"/></x:when><x:when test="m:bvar/m:degree[string(number(.))=\'NaN\']"><x:for-each select="m:bvar/m:degree"><x:apply-templates select="node()"/><x:if test="position()&lt;last()"><mo>+</mo></x:if></x:for-each><x:if test="count(m:bvar[not(m:degree)])&gt;0"><mo>+</mo><mn><x:value-of select="count(m:bvar[not(m:degree)])"/></mn></x:if></x:when><x:otherwise><mn><x:value-of select="number(sum(m:bvar/m:degree))+count(m:bvar[not(m:degree)])"/></mn></x:otherwise></x:choose></mrow></msup></x:otherwise></x:choose><x:apply-templates select="*[last()]"/></mrow><mrow><x:for-each select="m:bvar"><mrow><mo>&#8706;<!-- partial --></mo><msup><x:apply-templates select="node()"/><mrow><x:apply-templates select="m:degree/node()"/></mrow></msup></mrow></x:for-each></mrow></mfrac></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'partialdiffdegree\']]"><mrow><msub><mo>&#8706;<!-- partial --></mo><mrow><x:apply-templates select="*[2]"/></mrow></msub><mfenced><x:apply-templates select="*[4]"/></mfenced></mrow></x:template><x:template match="m:lowlimit"/><x:template match="m:uplimit"/><x:template match="m:bvar"><mi><x:apply-templates/></mi><x:if test="following-sibling::m:bvar"><mo>,</mo></x:if></x:template><x:template match="m:degree"/><x:template match="m:divergence"><mi>div</mi></x:template><x:template match="m:apply[*[1][self::m:divergence]and m:bvar and m:vector]"><x:variable name="v" select="m:bvar"/><mrow><mi>div</mi><mo>&#8289;<!--function application--></mo><mo>(</mo><mtable><x:for-each select="m:vector/*"><x:variable name="p" select="position()"/><mtr><mtd><x:apply-templates select="$v[$p]/*"/><mo>&#x21a6;<!-- map--></mo><x:apply-templates select="."/></mtd></mtr></x:for-each></mtable><mo>)</mo></mrow></x:template><x:template match="m:grad"><mi>grad</mi></x:template><x:template match="m:apply[*[1][self::m:grad]and m:bvar]"><mrow><mi>grad</mi><mo>&#8289;<!--function application--></mo><mrow><mo>(</mo><mfenced><x:apply-templates select="m:bvar/*"/></mfenced><mo>&#x21a6;<!-- map--></mo><x:apply-templates select="*[position()!=1][not(self::m:bvar)]"/><mo>)</mo></mrow></mrow></x:template><x:template match="m:curl"><mi>curl</mi></x:template><x:template match="m:laplacian"><msup><mo>&#8711;<!-- nabla --></mo><mn>2</mn></msup></x:template><x:template match="m:apply[*[1][self::m:laplacian]and m:bvar]"><mrow><x:apply-templates select="*[1]"/><mo>&#8289;<!--function application--></mo><mrow><mo>(</mo><mfenced><x:apply-templates select="m:bvar/*"/></mfenced><mo>&#x21a6;<!-- map--></mo><x:apply-templates select="*[position()!=1][not(self::m:bvar)]"/><mo>)</mo></mrow></mrow></x:template><x:template match="m:set"><x:call-template name="set"/></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'set\']]"><mfenced open="{{" close="}}" separators=","><x:apply-templates select="*[position()!=1]"/></mfenced></x:template><x:template match="m:list"><x:call-template name="set"><x:with-param name="o" select="\'(\'"/><x:with-param name="c" select="\')\'"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'list\']]"><mfenced open="(" close=")" separators=","><x:apply-templates select="*[position()!=1]"/></mfenced></x:template><x:template match="m:apply[*[1][self::m:union]] |m:apply[*[1][self::m:csymbol=\'union\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8746;<!-- union --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:union]][m:bvar] |m:apply[*[1][self::m:csymbol=\'union\']][m:bvar]" priority="2" ><x:call-template name="sum"><x:with-param name="mo"><mo>&#x22C3;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:intersect]] |m:apply[*[1][self::m:csymbol=\'intersect\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="3"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8745;<!-- intersect --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:intersect]][m:bvar] |m:apply[*[1][self::m:csymbol=\'intersect\']][m:bvar]" priority="2" ><x:call-template name="sum"><x:with-param name="mo"><mo>&#x22C2;</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:in]] |m:apply[*[1][self::m:csymbol=\'in\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="mo"><mo>&#8712;<!-- in --></mo></x:with-param><x:with-param name="p" select="$p"/><x:with-param name="this-p" select="3"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:notin]]|m:reln[*[1][self::m:notin]] |m:apply[*[1][self::m:csymbol=\'notin\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="mo"><mo>&#8713;<!-- not in --></mo></x:with-param><x:with-param name="p" select="$p"/><x:with-param name="this-p" select="3"/></x:call-template></x:template><x:template match="m:apply[*[1][self::m:subset]] |m:apply[*[1][self::m:csymbol=\'subset\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8838;<!-- subseteq --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:prsubset]] |m:apply[*[1][self::m:csymbol=\'prsubset\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8834;<!-- prsubset --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:notsubset]] |m:apply[*[1][self::m:csymbol=\'notsubset\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8840;<!-- notsubseteq --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:notprsubset]] |m:apply[*[1][self::m:csymbol=\'notprsubset\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8836;<!-- prsubset --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:setdiff]] |m:apply[*[1][self::m:csymbol=\'setdiff\']]"><x:param name="p" select="0"/><x:call-template name="binary"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#8726;<!-- setminus --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:card]] |m:apply[*[1][self::m:csymbol=\'card\']]"><mrow><mo>|</mo><x:apply-templates select="*[2]"/><mo>|</mo></mrow></x:template><x:template match="m:apply[*[1][self::m:cartesianproduct or self::m:vectorproduct]] |m:apply[*[1][self::m:csymbol[.=\'cartesian_product\' or . = \'vectorproduct\']]]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#215;<!-- times --></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:cartesianproduct][count(following-sibling::m:reals)=count(following-sibling::*)]]" priority="2"><msup><x:apply-templates select="*[2]"><x:with-param name="p" select="5"/></x:apply-templates><mn><x:value-of select="count(*)-1"/></mn></msup></x:template><x:template name="sum" match="m:apply[*[1][self::m:sum]]"><x:param name="mo"><mo>&#8721;<!--sum--></mo></x:param><mrow><munderover><x:copy-of select="$mo"/><mrow><x:apply-templates select="m:lowlimit|m:interval/*[1]|m:condition/*|m:domainofapplication/*"/></mrow><mrow><x:apply-templates select="m:uplimit/*|m:interval/*[2]"/></mrow></munderover><x:apply-templates select="*[last()]"/></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'sum\']]"><mrow><munder><mo>&#8721;<!--sum--></mo><x:apply-templates select="*[2]"/></munder><x:apply-templates select="*[last()]"/></mrow></x:template><x:template match="m:apply/m:lowlimit" priority="3"><mrow><x:if test="../m:bvar"><x:apply-templates select="../m:bvar/node()"/><mo>=</mo></x:if><x:apply-templates/></mrow></x:template><x:template match="m:apply[*[1][self::m:product]]"><x:call-template name="sum"><x:with-param name="mo"><mo>&#8719;<!--product--></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'product\']]"><mrow><munder><mo>&#8719;<!--product--></mo><x:apply-templates select="*[2]"/></munder><x:apply-templates select="*[last()]"/></mrow></x:template><x:template match="m:apply[*[1][self::m:limit]]"><mrow><munder><mi>lim</mi><mrow><x:apply-templates select="m:lowlimit|m:condition/*"/></mrow></munder><x:apply-templates select="*[last()]"/></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'limit\']][m:bind]"><mrow><munder><mi>lim</mi><mrow><x:apply-templates select="m:bind/m:bvar/*"/><mo><x:choose><x:when test="*[3]=\'above\'">&#8600;<!--searrow--></x:when><x:when test="*[3]=\'below\'">&#8599;<!--nearrow--></x:when><x:otherwise>&#8594;<!--rightarrow--></x:otherwise></x:choose></mo><x:apply-templates select="*[2]"/></mrow></munder><x:apply-templates select="m:bind/*[last()]"/></mrow></x:template><x:template match="m:apply[m:limit]/m:lowlimit" priority="4"><mrow><x:apply-templates select="../m:bvar/node()"/><mo>&#8594;<!--rightarrow--></mo><x:apply-templates/></mrow></x:template><x:template match="m:apply[*[1][self::m:tendsto]]|m:reln[*[1][self::m:tendsto]]"><x:param name="p"/><x:call-template name="binary"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo><x:choose><x:when test="@type=\'above\'">&#8600;<!--searrow--></x:when><x:when test="@type=\'below\'">&#8599;<!--nearrow--></x:when><x:when test="@type=\'two-sided\'">&#8594;<!--rightarrow--></x:when><x:otherwise>&#8594;<!--rightarrow--></x:otherwise></x:choose></mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'tendsto\']]"><mrow><x:apply-templates select="*[3]"/><mo><x:choose><x:when test="*[1][self::above]">&#8600;<!--searrow--></x:when><x:when test="*[1][self::below]">&#8599;<!--nearrow--></x:when><x:when test="*[1][self::two-sided]">&#8594;<!--rightarrow--></x:when><x:otherwise>&#8594;<!--rightarrow--></x:otherwise></x:choose></mo><x:apply-templates select="*[4]"/></mrow></x:template><x:template match="m:apply[*[1][self::m:semantics/m:ci=\'tendsto\']]"><mrow><x:apply-templates select="*[2]"/><mo>&#8594;<!--rightarrow--></mo><x:apply-templates select="*[3]"/></mrow></x:template><x:template match="m:tendsto"><mi>tendsto</mi></x:template><x:template match="m:apply[*[1][ self::m:sin or self::m:cos or self::m:tan or self::m:sec or self::m:csc or self::m:cot or self::m:sinh or self::m:cosh or self::m:tanh or self::m:sech or self::m:csch or self::m:coth or self::m:arcsin or self::m:arccos or self::m:arctan or self::m:arccosh or self::m:arccot or self::m:arccoth or self::m:arccsc or self::m:arccsch or self::m:arcsec or self::m:arcsech or self::m:arcsinh or self::m:arctanh or self::m:ln]]"><mrow><mi><x:value-of select="local-name(*[1])"/></mi><mo>&#8289;<!--function application--></mo><x:if test="m:apply"><mo>(</mo></x:if><x:apply-templates select="*[2]"/><x:if test="m:apply"><mo>)</mo></x:if></mrow></x:template><x:template match=" m:sin | m:cos | m:tan | m:sec | m:csc | m:cot | m:sinh | m:cosh | m:tanh | m:sech | m:csch | m:coth | m:arcsin | m:arccos | m:arctan | m:arccosh | m:arccot | m:arccoth | m:arccsc | m:arccsch | m:arcsec | m:arcsech | m:arcsinh | m:arctanh | m:ln|m:mean| m:plus|m:minus"><mi><x:value-of select="local-name()"/></mi></x:template><x:template match="m:apply[*[1][self::m:exp]] |m:apply[*[1][self::m:csymbol=\'exp\']]"><msup><mi>e<!-- exponential e--></mi><mrow><x:apply-templates select="*[2]"/></mrow></msup></x:template><x:template match="m:apply[*[1][self::m:log]] |m:apply[*[1][self::m:csymbol=\'log\']]"><mrow><x:choose><x:when test="not(m:logbase) or m:logbase=10"><mi>log</mi></x:when><x:otherwise><msub><mi>log</mi><mrow><x:apply-templates select="m:logbase/node()"/></mrow></msub></x:otherwise></x:choose><mo>&#8289;<!--function application--></mo><x:apply-templates select="*[last()]"><x:with-param name="p" select="7"/></x:apply-templates></mrow></x:template><x:template match="m:apply[*[1][self::m:mean]] |m:apply[*[1][self::m:csymbol=\'mean\']]"><mrow><mo>&#9001;<!--langle--></mo><x:for-each select="*[position()&gt;1]"><x:apply-templates select="."/><x:if test="position() !=last()"><mo>,</mo></x:if></x:for-each><mo>&#9002;<!--rangle--></mo></mrow></x:template><x:template match="m:sdev|m:csymbol[.=\'sdev\']"><mo>&#963;<!--sigma--></mo></x:template><x:template match="m:apply[*[1][self::m:variance]] |m:apply[*[1][self::m:csymbol=\'variance\']]"><msup><mrow><mo>&#963;<!--sigma--></mo><mo>&#8289;<!--function application--></mo><mfenced><x:apply-templates select="*[position()!=1]"/></mfenced></mrow><mn>2</mn></msup></x:template><x:template match="m:median"><mi>median</mi></x:template><x:template match="m:mode"><mi>mode</mi></x:template><x:template match="m:apply[*[1][self::m:moment]]"><mrow><mo>&#9001;<!--langle--></mo><msup><x:variable name="data" select="*[not(position()=1)] [not(self::m:degree or self::m:momentabout)]"/><x:choose><x:when test="$data[2]"><mfenced><x:apply-templates select="$data"/></mfenced></x:when><x:otherwise><x:apply-templates select="$data"/></x:otherwise></x:choose><mrow><x:apply-templates select="m:degree/node()"/></mrow></msup><mo>&#9002;<!--rangle--></mo></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'moment\']]"><msub><mrow><mo>&#9001;<!--langle--></mo><msup><x:apply-templates select="*[4]"/><x:apply-templates select="*[2]"/></msup><mo>&#9002;<!--rangle--></mo></mrow><x:apply-templates select="*[3]"/></msub></x:template><x:template match="m:momentabout"/><x:template match="m:apply[*[1][self::m:moment]][m:momentabout]" priority="2"><msub><mrow><mo>&#9001;<!--langle--></mo><msup><x:variable name="data" select="*[not(position()=1)] [not(self::m:degree or self::m:momentabout)]"/><x:choose><x:when test="$data[2]"><mfenced><x:apply-templates select="$data"/></mfenced></x:when><x:otherwise><x:apply-templates select="$data"/></x:otherwise></x:choose><mrow><x:apply-templates select="m:degree/node()"/></mrow></msup><mo>&#9002;<!--rangle--></mo></mrow><mrow><x:apply-templates select="m:momentabout/*"/></mrow></msub></x:template><x:template match="m:vector"><mrow><mo>(</mo><mtable><x:for-each select="*"><mtr><mtd><x:apply-templates select="."/></mtd></mtr></x:for-each></mtable><mo>)</mo></mrow></x:template><x:template match="m:vector[m:condition]"><mrow><mo>[</mo><x:apply-templates select="*[last()]"/><mo>|</mo><x:apply-templates select="m:condition"/><mo>]</mo></mrow></x:template><x:template match="m:vector[m:domainofapplication]"><mrow><mo>[</mo><x:apply-templates select="*[last()]"/><mo>|</mo><x:apply-templates select="m:bvar/*"/><mo>&#x2208;</mo><x:apply-templates select="m:domainofapplication/*"/><mo>]</mo></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'vector\']]"><mrow><mo>(</mo><mtable><x:for-each select="*[position()!=1]"><mtr><mtd><x:apply-templates select="."/></mtd></mtr></x:for-each></mtable><mo>)</mo></mrow></x:template><x:template match="m:matrix"><mrow><mo>(</mo><mtable><x:apply-templates/></mtable><mo>)</mo></mrow></x:template><x:template match="m:matrix[m:condition]"><mrow><mo>[</mo><msub><mi>m</mi><mrow><x:for-each select="m:bvar"><x:apply-templates/><x:if test="position()!=last()"><mo>,</mo></x:if></x:for-each></mrow></msub><mo>|</mo><mrow><msub><mi>m</mi><mrow><x:for-each select="m:bvar"><x:apply-templates/><x:if test="position()!=last()"><mo>,</mo></x:if></x:for-each></mrow></msub><mo>=</mo><x:apply-templates select="*[last()]"/></mrow><mo>;</mo><x:apply-templates select="m:condition"/><mo>]</mo></mrow></x:template><x:template match="m:apply[*[1][self::m:csymbol=\'matrix\']]"><mrow><mo>(</mo><mtable><x:apply-templates select="*[position()!=1]"/></mtable><mo>)</mo></mrow></x:template><x:template match="m:matrix/m:matrixrow"><mtr><x:for-each select="*"><mtd><x:apply-templates select="."/></mtd></x:for-each></mtr></x:template><x:template match="m:matrixrow"><mtable><mtr><x:for-each select="*"><mtd><x:apply-templates select="."/></mtd></x:for-each></mtr></mtable></x:template><x:template match="m:apply[*[1][self::m:csymbol.=\'matrixrow\']]"><mtr><x:for-each select="*[position()!=1]"><mtd><x:apply-templates select="."/></mtd></x:for-each></mtr></x:template><x:template match="m:apply[*[1][self::m:determinant]] |m:apply[*[1][self::m:csymbol=\'determinant\']]"><mrow><mi>det</mi><mo>&#8289;<!--function application--></mo><x:apply-templates select="*[2]"><x:with-param name="p" select="7"/></x:apply-templates></mrow></x:template><x:template match="m:apply[*[1][self::m:determinant]][*[2][self::m:matrix]]" priority="2"><mrow><mo>|</mo><mtable><x:apply-templates select="m:matrix/*"/></mtable><mo>|</mo></mrow></x:template><x:template match="m:apply[*[1][self::m:transpose]] |m:apply[*[1][self::m:csymbol=\'transpose\']]"><msup><x:apply-templates select="*[2]"><x:with-param name="p" select="7"/></x:apply-templates><mi>T</mi></msup></x:template><x:template match="m:apply[*[1][self::m:selector]] |m:apply[*[1][self::m:csymbol=\'selector\']]"><msub><x:apply-templates select="*[2]"><x:with-param name="p" select="7"/></x:apply-templates><mrow><x:for-each select="*[position()&gt;2]"><x:apply-templates select="."/><x:if test="position() !=last()"><mo>,</mo></x:if></x:for-each></mrow></msub></x:template><x:template match="m:apply[*[1][self::m:scalarproduct]] |m:apply[*[1][self::m:csymbol=\'scalarproduct\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>.</mo></x:with-param></x:call-template></x:template><x:template match="m:apply[*[1][self::m:outerproduct]] |m:apply[*[1][self::m:csymbol=\'outerproduct\']]"><x:param name="p" select="0"/><x:call-template name="infix"><x:with-param name="this-p" select="2"/><x:with-param name="p" select="$p"/><x:with-param name="mo"><mo>&#x2297;</mo></x:with-param></x:call-template></x:template><x:template match="m:semantics"><x:apply-templates select="*[1]"/></x:template><x:template match="m:semantics[m:annotation-xml/@encoding=\'MathML-Presentation\']"><x:apply-templates select="m:annotation-xml[@encoding=\'MathML-Presentation\']/node()"/></x:template><x:template match="m:integers"><mi mathvariant="double-struck">Z</mi></x:template><x:template match="m:reals"><mi mathvariant="double-struck">R</mi></x:template><x:template match="m:rationals"><mi mathvariant="double-struck">Q</mi></x:template><x:template match="m:naturalnumbers"><mi mathvariant="double-struck">N</mi></x:template><x:template match="m:complexes"><mi mathvariant="double-struck">C</mi></x:template><x:template match="m:primes"><mi mathvariant="double-struck">P</mi></x:template><x:template match="m:exponentiale"><mi>e<!-- exponential e--></mi></x:template><x:template match="m:imaginaryi"><mi>i<!-- imaginary i--></mi></x:template><x:template match="m:notanumber"><mi>NaN</mi></x:template><x:template match="m:true"><mi>true</mi></x:template><x:template match="m:false"><mi>false</mi></x:template><x:template match="m:emptyset|m:csymbol[.=\'emptyset\']"><mi>&#8709;<!-- emptyset --></mi></x:template><x:template match="m:pi|m:csymbol[.=\'pi\']"><mi>&#960;<!-- pi --></mi></x:template><x:template match="m:eulergamma|m:csymbol[.=\'gamma\']"><mi>&#947;<!-- gamma --></mi></x:template><x:template match="m:infinity|m:csymbol[.=\'infinity\']"><mi>&#8734;<!-- infinity --></mi></x:template><x:template name="infix" ><x:param name="mo"/><x:param name="p" select="0"/><x:param name="this-p" select="0"/><x:variable name="dmo"><x:choose><x:when test="m:domainofapplication"><munder><x:copy-of select="$mo"/><mrow><x:apply-templates select="m:domainofapplication/*"/></mrow></munder></x:when><x:otherwise><x:copy-of select="$mo"/></x:otherwise></x:choose></x:variable><mrow><x:if test="$this-p &lt; $p"><mo>(</mo></x:if><x:for-each select="*[not(self::m:domainofapplication)][position()&gt;1]"><x:if test="position() &gt; 1"><x:copy-of select="$dmo"/></x:if><x:apply-templates select="."><x:with-param name="p" select="$this-p"/></x:apply-templates></x:for-each><x:if test="$this-p &lt; $p"><mo>)</mo></x:if></mrow></x:template><x:template name="binary" ><x:param name="mo"/><x:param name="p" select="0"/><x:param name="this-p" select="0"/><mrow><x:if test="($this-p &lt; $p) or ($this-p=$p and $mo=\'&#8722;\')"><mo>(</mo></x:if><x:apply-templates select="*[2]"><x:with-param name="p" select="$this-p"/></x:apply-templates><x:copy-of select="$mo"/><x:apply-templates select="*[3]"><x:with-param name="p" select="$this-p"/></x:apply-templates><x:if test="($this-p &lt; $p) or ($this-p=$p and $mo=\'&#8722;\')"><mo>)</mo></x:if></mrow></x:template><x:template name="set" ><x:param name="o" select="\'{\'"/><x:param name="c" select="\'}\'"/><mrow><mo><x:value-of select="$o"/></mo><x:choose><x:when test="m:condition"><mrow><x:apply-templates select="m:condition/following-sibling::*"/></mrow><mo>|</mo><mrow><x:apply-templates select="m:condition/node()"/></mrow></x:when><x:when test="m:domainofapplication"><mrow><x:apply-templates select="m:domainofapplication/following-sibling::*"/></mrow><mo>|</mo><mrow><x:apply-templates select="m:bvar/node()"/></mrow><mo>&#8712;<!-- in --></mo><mrow><x:apply-templates select="m:domainofapplication/node()"/></mrow></x:when><x:otherwise><x:for-each select="*[not(position()=1 and parent::m:apply)]"><x:apply-templates select="."/><x:if test="position() !=last()"><mo>,</mo></x:if></x:for-each></x:otherwise></x:choose><mo><x:value-of select="$c"/></mo></mrow></x:template><x:template match="m:cs"><ms><x:value-of select=" translate(., \'&#9;&#10;&#13;&#32;\', \'&#160;&#160;&#160;&#160;\')"/></ms></x:template><x:template match="m:cbytes"><mrow/></x:template><x:template match="m:cerror"><merror><x:apply-templates/></merror></x:template><x:template match="m:share" priority="4"><mi href="{@href}">share<x:value-of select="substring-after(@href,\'#\')"/></mi></x:template><x:output indent="yes" omit-xml-declaration="yes"/><x:template match="*"><x:copy><x:copy-of select="@*"/><x:apply-templates/></x:copy></x:template><x:template match="*[@dir=\'rtl\']" priority="10"><x:apply-templates mode="rtl" select="."/></x:template><x:template match="@*" mode="rtl"><x:copy-of select="."/></x:template><x:template match="*" mode="rtl"><x:copy><x:apply-templates select="@*" mode="rtl"/><x:for-each select="node()"><x:sort data-type="number" order="descending" select="position()"/><x:text></x:text><x:apply-templates mode="rtl" select="."/></x:for-each></x:copy></x:template><x:template match="@open" mode="rtl"><x:attribute name="close"><x:value-of select="."/></x:attribute></x:template><x:template match="@open[.=\'(\']" mode="rtl"><x:attribute name="close">)</x:attribute></x:template><x:template match="@open[.=\')\']" mode="rtl"><x:attribute name="close">(</x:attribute></x:template><x:template match="@open[.=\'[\']" mode="rtl"><x:attribute name="close">]</x:attribute></x:template><x:template match="@open[.=\']\']" mode="rtl"><x:attribute name="close">[</x:attribute></x:template><x:template match="@open[.=\'{\']" mode="rtl"><x:attribute name="close">}</x:attribute></x:template><x:template match="@open[.=\'}\']" mode="rtl"><x:attribute name="close">{</x:attribute></x:template><x:template match="@close" mode="rtl"><x:attribute name="open"><x:value-of select="."/></x:attribute></x:template><x:template match="@close[.=\'(\']" mode="rtl"><x:attribute name="open">)</x:attribute></x:template><x:template match="@close[.=\')\']" mode="rtl"><x:attribute name="open">(</x:attribute></x:template><x:template match="@close[.=\'[\']" mode="rtl"><x:attribute name="open">]</x:attribute></x:template><x:template match="@close[.=\']\']" mode="rtl"><x:attribute name="open">[</x:attribute></x:template><x:template match="@close[.=\'{\']" mode="rtl"><x:attribute name="open">}</x:attribute></x:template><x:template match="@close[.=\'}\']" mode="rtl"><x:attribute name="open">{</x:attribute></x:template><x:template match="m:mfrac[@bevelled=\'true\']" mode="rtl"><mrow><msub><mi></mi><x:apply-templates select="*[2]" mode="rtl"/></msub><mo>&#x5c;</mo><msup><mi></mi><x:apply-templates select="*[1]" mode="rtl"/></msup></mrow></x:template><x:template match="m:mfrac" mode="rtl"><x:copy><x:apply-templates mode="rtl" select="@*|*"/></x:copy></x:template><x:template match="m:mroot" mode="rtl"><msup><menclose notation="top right"><x:apply-templates mode="rtl" select="@*|*[1]"/></menclose><x:apply-templates mode="rtl" select="*[2]"/></msup></x:template><x:template match="m:msqrt" mode="rtl"><menclose notation="top right"><x:apply-templates mode="rtl" select="@*|*[1]"/></menclose></x:template><x:template match="m:mtable|m:munder|m:mover|m:munderover" mode="rtl" priority="2"><x:copy><x:apply-templates select="@*" mode="rtl"/><x:apply-templates mode="rtl"></x:apply-templates></x:copy></x:template><x:template match="m:msup" mode="rtl" priority="2"><mmultiscripts><x:apply-templates select="*[1]" mode="rtl"/><mprescripts/><none/><x:apply-templates select="*[2]" mode="rtl"/></mmultiscripts></x:template><x:template match="m:msub" mode="rtl" priority="2"><mmultiscripts><x:apply-templates select="*[1]" mode="rtl"/><mprescripts/><x:apply-templates select="*[2]" mode="rtl"/><none/></mmultiscripts></x:template><x:template match="m:msubsup" mode="rtl" priority="2"><mmultiscripts><x:apply-templates select="*[1]" mode="rtl"/><mprescripts/><x:apply-templates select="*[2]" mode="rtl"/><x:apply-templates select="*[3]" mode="rtl"/></mmultiscripts></x:template><x:template match="m:mmultiscripts" mode="rtl" priority="2"><mmultiscripts><x:apply-templates select="*[1]" mode="rtl"/><x:for-each select="m:mprescripts/following-sibling::*[position() mod 2 = 1]"><x:sort data-type="number" order="descending" select="position()"/><x:apply-templates select="." mode="rtl"/><x:apply-templates select="following-sibling::*[1]" mode="rtl"/></x:for-each><mprescripts/><x:for-each select="m:mprescripts/preceding-sibling::*[position()!=last()][position() mod 2 = 0]"><x:sort data-type="number" order="descending" select="position()"/><x:apply-templates select="." mode="rtl"/><x:apply-templates select="following-sibling::*[1]" mode="rtl"/></x:for-each></mmultiscripts></x:template><x:template match="m:mmultiscripts[not(m:mprescripts)]" mode="rtl" priority="3"><mmultiscripts><x:apply-templates select="*[1]" mode="rtl"/><mprescripts/><x:for-each select="*[position() mod 2 = 0]"><x:sort data-type="number" order="descending" select="position()"/><x:apply-templates select="." mode="rtl"/><x:apply-templates select="following-sibling::*[1]" mode="rtl"/></x:for-each></mmultiscripts></x:template><x:template match="text()[.=\'(\']" mode="rtl">)</x:template><x:template match="text()[.=\')\']" mode="rtl">(</x:template><x:template match="text()[.=\'{\']" mode="rtl">}</x:template><x:template match="text()[.=\'}\']" mode="rtl">{</x:template><x:template match="text()[.=\'&lt;\']" mode="rtl">&gt;</x:template><x:template match="text()[.=\'&gt;\']" mode="rtl">&lt;</x:template><x:template match="text()[.=\'&#x2208;\']" mode="rtl">&#x220b;</x:template><x:template match="text()[.=\'&#x220b;\']" mode="rtl">&#x2208;</x:template><x:template match="@notation[.=\'radical\']" mode="rtl"><x:attribute name="notation">top right</x:attribute></x:template><x:template name="mml2attrib"><!-- <x:copy-of select="@*[not(local-name()=\'href\')]"/> --><x:copy-of select="@*[not(local-name()=\'href\')]"/><x:attribute name="style"><x:if test="@style"><x:value-of select="@style"/>;</x:if><x:if test="@mathcolor">color:<x:value-of select="@mathcolor"/>;</x:if><x:if test="@mathbackground">background-color:<x:value-of select="@mathbackground"/>;</x:if></x:attribute></x:template><!-- <x:template match="*[@href]" priority="3"><a xmlns="http://www.w3.org/1999/xhtml" style="text-decoration: none" href="{@href}"><x:copy><x:call-template name="mml2attrib"/><x:attribute name="class"><x:text>mmlhref </x:text><x:value-of select="@class"/></x:attribute><x:apply-templates/></x:copy></a></x:template> --><x:template match="*[@mathcolor|@mathbackground]"><x:copy><x:call-template name="mml2attrib"/><x:apply-templates/></x:copy></x:template><x:param name="hascolspan" select="true()"/><x:template match="m:mstack"><mtable columnspacing="0em"><x:variable name="t"><x:apply-templates select="*" mode="mstack1"><x:with-param name="p" select="0"/></x:apply-templates></x:variable><x:variable name="maxl"><x:for-each select="c:node-set($t)/*/@l"><x:sort data-type="number" order="descending"/><x:if test="position()=1"><x:value-of select="."/></x:if></x:for-each></x:variable><x:for-each select="c:node-set($t)/*[not(@class=\'mscarries\') or following-sibling::*[1]/@class=\'mscarries\']"><x:variable name="c" select="preceding-sibling::*[1][@class=\'mscarries\']"/><x:text>&#10;</x:text><mtr><x:variable name="offset" select="$maxl - @l"/><x:choose><x:when test="$hascolspan and @class=\'msline\' and (string(*[1]/@columnspan)=\'\' or string(*[1]/@columnspan)=\'0\')"><mtd columnspan="{$maxl}"><x:copy-of select="*/@style"/></mtd></x:when><x:when test="@class=\'msline\' and @l=\'*\'"><x:variable name="msl" select="*[1]"/><x:for-each select="(//node())[position()&lt;=$maxl]"><x:copy-of select="$msl"/></x:for-each></x:when><x:when test="$c"><x:variable name="ldiff" select="$c/@l - @l"/><x:variable name="loffset" select="$maxl - $c/@l"/><x:for-each select="(//*)[position()&lt;= $offset]"><x:variable name="pn" select="position()"/><x:variable name="cy" select="$c/*[position()=$pn - $loffset]"/> <mtd> <x:if test="$cy/*"/> <mover><mphantom><mn>0</mn></mphantom><mpadded width="0em" lspace="-0.5width"><x:copy-of select="$cy/*/*"/></mpadded></mover> </mtd></x:for-each><x:for-each select="*"><x:variable name="pn" select="position()"/><x:variable name="cy" select="$c/*[position()=$pn + $ldiff]"/><x:copy> <x:copy-of select="@*"/> <x:variable name="b"> <x:choose> <x:when test="not(string($cy/@crossout) or $cy/@crossout=\'none\')"><x:copy-of select="*"/></x:when> <x:otherwise> <menclose notation="{$cy/@crossout}"><x:copy-of select="*"/></menclose> </x:otherwise> </x:choose> </x:variable> <x:choose> <x:when test="$cy/*/m:none or not($cy/*/*)"><x:copy-of select="$b"/></x:when> <x:when test="not(string($cy/@location)) or $cy/@location=\'n\'"> <mover><x:copy-of select="$b"/><mpadded width="0em" lspace="-0.5width"><x:copy-of select="$cy/*/*"/></mpadded></mover> </x:when> <x:when test="$cy/@location=\'nw\'"> <mmultiscripts><x:copy-of select="$b"/><mprescripts/><none/><mpadded lspace="-1width" width="0em"><x:copy-of select="$cy/*/*"/></mpadded></mmultiscripts> </x:when> <x:when test="$cy/@location=\'s\'"> <munder><x:copy-of select="$b"/><mpadded width="0em" lspace="-0.5width"><x:copy-of select="$cy/*/*"/></mpadded></munder> </x:when> <x:when test="$cy/@location=\'sw\'"> <mmultiscripts><x:copy-of select="$b"/><mprescripts/><mpadded lspace="-1width" width="0em"><x:copy-of select="$cy/*/*"/></mpadded><none/></mmultiscripts> </x:when> <x:when test="$cy/@location=\'ne\'"> <msup><x:copy-of select="$b"/><mpadded width="0em"><x:copy-of select="$cy/*/*"/></mpadded></msup> </x:when> <x:when test="$cy/@location=\'se\'"> <msub><x:copy-of select="$b"/><mpadded width="0em"><x:copy-of select="$cy/*/*"/></mpadded></msub> </x:when> <x:when test="$cy/@location=\'w\'"> <msup><mrow/><mpadded lspace="-1width" width="0em"><x:copy-of select="$cy/*/*"/></mpadded></msup> <x:copy-of select="$b"/> </x:when> <x:when test="$cy/@location=\'e\'"> <x:copy-of select="$b"/> <msup><mrow/><mpadded width="0em"><x:copy-of select="$cy/*/*"/></mpadded></msup> </x:when> <x:otherwise> <x:copy-of select="$b"/> </x:otherwise> </x:choose></x:copy></x:for-each></x:when><x:otherwise><x:for-each select="(//*)[position()&lt;= $offset]"><mtd/></x:for-each><x:copy-of select="*"/></x:otherwise></x:choose></mtr></x:for-each></mtable></x:template><x:template mode="mstack1" match="*"><x:param name="p"/><x:param name="maxl" select="0"/><mtr l="{1 + $p}"><x:if test="ancestor::mstack[1]/@stackalign=\'left\'"><x:attribute name="l"><x:value-of select="$p"/></x:attribute></x:if><mtd><x:apply-templates select="."/></mtd></mtr></x:template><x:template mode="mstack1" match="m:msrow"><x:param name="p"/><x:param name="maxl" select="0"/><x:variable name="align1" select="ancestor::m:mstack[1]/@stackalign"/><x:variable name="align"><x:choose><x:when test="string($align1)=\'\'">decimalpoint</x:when><x:otherwise><x:value-of select="$align1"/></x:otherwise></x:choose></x:variable><x:variable name="row"><x:apply-templates mode="mstack1" select="*"><x:with-param name="p" select="0"/></x:apply-templates></x:variable><x:text>&#10;</x:text><x:variable name="l1"><x:choose><x:when test="$align=\'decimalpoint\' and m:mn"><x:for-each select="c:node-set($row)/m:mtr[m:mtd/m:mn][1]"><x:value-of select="number(sum(@l))+count(preceding-sibling::*/@l)"/></x:for-each></x:when><x:when test="$align=\'right\' or $align=\'decimalpoint\'"><x:value-of select="count(c:node-set($row)/m:mtr/m:mtd)"/></x:when><x:otherwise><x:value-of select="0"/></x:otherwise></x:choose></x:variable><mtr class="msrow" l="{number($l1) + number(sum(@position)) +$p}"><x:copy-of select="c:node-set($row)/m:mtr/*"/></mtr></x:template><x:template mode="mstack1" match="m:mn"><x:param name="p"/><x:variable name="align1" select="ancestor::m:mstack[1]/@stackalign"/><x:variable name="dp1" select="ancestor::*[@decimalpoint][1]/@decimalpoint"/><x:variable name="align"><x:choose><x:when test="string($align1)=\'\'">decimalpoint</x:when><x:otherwise><x:value-of select="$align1"/></x:otherwise></x:choose></x:variable><x:variable name="dp"><x:choose><x:when test="string($dp1)=\'\'">.</x:when><x:otherwise><x:value-of select="$dp1"/></x:otherwise></x:choose></x:variable><mtr l="$p"><x:variable name="mn" select="normalize-space(.)"/><x:variable name="len" select="string-length($mn)"/><x:choose><x:when test="$align=\'right\' or ($align=\'decimalpoint\' and not(contains($mn,$dp)))"><x:attribute name="l"><x:value-of select="$p + $len"/></x:attribute></x:when><x:when test="$align=\'decimalpoint\'"><x:attribute name="l"><x:value-of select="$p + string-length(substring-before($mn,$dp))"/></x:attribute></x:when></x:choose><x:for-each select="(//node())[position() &lt;=$len]"><x:variable name="pos" select="position()"/><mtd><mn><x:value-of select="substring($mn,$pos,1)"/></mn></mtd></x:for-each></mtr></x:template><x:template match="m:msgroup" mode="mstack1"><x:param name="p"/><x:variable name="s" select="number(sum(@shift))"/><x:variable name="thisp" select="number(sum(@position))"/><x:for-each select="*"><x:apply-templates mode="mstack1" select="."><x:with-param name="p" select="number($p)+$thisp+(position()-1)*$s"/></x:apply-templates></x:for-each></x:template><x:template match="m:msline" mode="mstack1"><x:param name="p"/><x:variable name="align1" select="ancestor::m:mstack[1]/@stackalign"/><x:variable name="align"><x:choose><x:when test="string($align1)=\'\'">decimalpoint</x:when><x:otherwise><x:value-of select="$align1"/></x:otherwise></x:choose></x:variable><mtr class="msline"><x:attribute name="l"><x:choose><x:when test="not(string(@length)) or @length=0">*</x:when><x:when test="string($align)=\'right\' or string($align)=\'decimalpoint\' "><x:value-of select="$p+ @length"/></x:when><x:otherwise><x:value-of select="$p"/></x:otherwise></x:choose></x:attribute><x:variable name="w"><x:choose><x:when test="@mslinethickness=\'thin\'">0.1em</x:when><x:when test="@mslinethickness=\'medium\'">0.15em</x:when><x:when test="@mslinethickness=\'thick\'">0.2em</x:when><x:when test="@mslinethickness"><x:value-of select="@mslinethickness"/></x:when><x:otherwise>0.15em</x:otherwise></x:choose></x:variable><x:choose><x:when test="$hascolspan"><mtd class="msline" columnspan="{@length}"><x:copy-of select="@position"/><x:attribute name="style"><x:value-of select="concat(\'border-style: solid; border-width: 0 0 \',$w,\' 0\')"/></x:attribute></mtd></x:when><x:when test="not(string(@length)) or @length=0"><mtd class="mslinemax"><mpadded lspace="-0.5em" width="0em" height="0em"><mfrac linethickness="{$w}"><mspace width="1em"/><mrow/></mfrac></mpadded></mtd></x:when><x:otherwise><x:variable name="l" select="@length"/><x:for-each select="(//node())[position()&lt;=$l]"><mtd class="msline"><mpadded lspace="-0.5em" width="0em" height="0em"><mfrac linethickness="{$w}"> <mspace width="1em"/> <mrow/></mfrac></mpadded></mtd></x:for-each></x:otherwise></x:choose></mtr></x:template><x:template match="m:mscarries" mode="mstack1"><x:param name="p"/><x:variable name="align1" select="ancestor::m:mstack[1]/@stackalign"/><x:variable name="l1"><x:choose><x:when test="string($align1)=\'left\'">0</x:when><x:otherwise><x:value-of select="count(*)"/></x:otherwise></x:choose></x:variable><mtr class="mscarries" l="{$p + $l1 + sum(@position)}"><x:apply-templates select="*" mode="msc"/></mtr></x:template><x:template match="*" mode="msc"><mtd><x:copy-of select="../@location|../@crossout"/><mstyle mathsize="70%"><x:apply-templates select="."/></mstyle></mtd></x:template><x:template match="m:mscarry" mode="msc"><mtd><x:copy-of select="@location|@crossout"/><mstyle mathsize="70%"><x:apply-templates select="*"/></mstyle></mtd></x:template><x:template match="m:mlongdiv"><x:variable name="ms"><mstack><x:copy-of select="(ancestor-or-self::*/@decimalpoint)[last()]"/><x:choose><x:when test="@longdivstyle=\'left/\right\'"><msrow><mrow><x:copy-of select="*[1]"/></mrow><mo>/</mo><x:copy-of select="*[3]"/><mo></mo><x:copy-of select="*[2]"/></msrow></x:when><x:when test="@longdivstyle=\'left)(right\'"><msrow><mrow><x:copy-of select="*[1]"/></mrow><mo>)</mo><x:copy-of select="*[3]"/><mo>(</mo><x:copy-of select="*[2]"/></msrow></x:when><x:when test="@longdivstyle=\':right=right\'"><msrow><x:copy-of select="*[3]"/><mo>:</mo><x:copy-of select="*[1]"/><mo>=</mo><x:copy-of select="*[2]"/></msrow></x:when><x:otherwise><x:copy-of select="*[2]"/><msline length="{string-length(*[3])}"/><msrow><mrow><x:copy-of select="*[1]"/></mrow><mo>)</mo><x:copy-of select="*[3]"/></msrow></x:otherwise></x:choose><x:copy-of select="*[position()&gt;3]"/></mstack></x:variable><x:apply-templates select="c:node-set($ms)"/></x:template><x:template match="m:menclose[@notation=\'madruwb\']" mode="rtl"><menclose notation="bottom right"><x:apply-templates mode="rtl"/></menclose></x:template></x:stylesheet>';var d;if(window.XSLTProcessor){if(!c.ParseXML){c.ParseXML=c.createParser()}c.ctopXSLT=new XSLTProcessor();c.ctopXSLT.importStylesheet(c.ParseXML(a))}else{if(MathJax.Hub.Browser.isMSIE){if(MathJax.Hub.Browser.versionAtLeast("9.0")||(document.documentMode||0)>=9){d=new ActiveXObject("Msxml2.FreeThreadedDOMDocument");d.loadXML(a);var b=new ActiveXObject("Msxml2.XSLTemplate");b.stylesheet=d;c.ctopXSLT={ctop:b.createProcessor(),transformToDocument:function(f){this.ctop.input=f;this.ctop.transform();return this.ctop.output}}}else{d=c.createMSParser();d.async=false;d.loadXML(a);c.ctopXSLT={ctop:d,transformToDocument:function(f){return f.documentElement.transformNode(this.ctop)}}}}else{c.ctopXSLT=null}}MathJax.Hub.Startup.signal.Post("MathML content-mathml Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/MathML/content-mathml.js");
diff --git a/backend/epub/MathJax/extensions/MathMenu.js b/backend/epub/MathJax/extensions/MathMenu.js
deleted file mode 100644
index 8eeb03eb..00000000
--- a/backend/epub/MathJax/extensions/MathMenu.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/MathMenu.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(c,g,k,f,b){var q="2.4.0";var j=MathJax.Callback.Signal("menu");MathJax.Extension.MathMenu={version:q,signal:j};var o=function(r){return MathJax.Localization._.apply(MathJax.Localization,[["MathMenu",r]].concat([].slice.call(arguments,1)))};var n=c.Browser.isPC,l=c.Browser.isMSIE,e=((document.documentMode||0)>8);var i=(n?null:"5px");var p=c.CombineConfig("MathMenu",{delay:150,closeImg:k.urlRev(b.imageDir+"/CloseX-31.png"),showRenderer:true,showMathPlayer:true,showFontMenu:false,showContext:false,showDiscoverable:false,showLocale:true,showLocaleURL:false,semanticsAnnotations:{TeX:["TeX","LaTeX","application/x-tex"],StarMath:["StarMath 5.0"],Maple:["Maple"],ContentMathML:["MathML-Content","application/mathml-content+xml"],OpenMath:["OpenMath"]},windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:400,height:300,left:Math.round((screen.width-400)/2),top:Math.round((screen.height-300)/3)},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(n?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":i,"-webkit-border-radius":i,"-moz-border-radius":i,"-khtml-border-radius":i,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(n?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(l?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuArrow.RTL":{left:".5em",right:"auto"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(l?"'Arial unicode MS'":null)},".MathJax_MenuCheck.RTL":{right:".7em",left:"auto"},".MathJax_MenuRadioCheck":{position:"absolute",left:(n?"1em":".7em")},".MathJax_MenuRadioCheck.RTL":{right:(n?"1em":".7em"),left:"auto"},".MathJax_MenuLabel":{padding:(n?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(n?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(n?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(n?"Highlight":"#606872"),color:(n?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var h,d;c.Register.StartupHook("MathEvents Ready",function(){h=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:q,items:[],posted:false,title:null,margin:5,Init:function(r){this.items=[].slice.call(arguments,0)},With:function(r){if(r){c.Insert(this,r)}return this},Post:function(s,C,A){if(!s){s=window.event}var r=document.getElementById("MathJax_MenuFrame");if(!r){r=a.Background(this);delete m.lastItem;delete m.lastMenu;delete a.skipUp;j.Post(["post",a.jax]);a.isRTL=(MathJax.Localization.fontDirection()==="rtl")}var t=g.Element("div",{onmouseup:a.Mouseup,ondblclick:h,ondragstart:h,onselectstart:h,oncontextmenu:h,menuItem:this,className:"MathJax_Menu"});if(!A){MathJax.Localization.setCSS(t)}for(var v=0,u=this.items.length;v<u;v++){this.items[v].Create(t)}if(a.isMobile){g.addElement(t,"span",{className:"MathJax_Menu_Close",menu:C,ontouchstart:a.Close,ontouchend:h,onmousedown:a.Close,onmouseup:h},[["img",{src:p.closeImg,style:{width:"100%",height:"100%"}}]])}r.appendChild(t);this.posted=true;t.style.width=(t.offsetWidth+2)+"px";var B=s.pageX,z=s.pageY;if(!B&&!z){B=s.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;z=s.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!C){if(B+t.offsetWidth>document.body.offsetWidth-this.margin){B=document.body.offsetWidth-t.offsetWidth-this.margin}if(a.isMobile){B=Math.max(5,B-Math.floor(t.offsetWidth/2));z-=20}a.skipUp=s.isContextMenu}else{var w="left",D=C.offsetWidth;B=(a.isMobile?30:D-2);z=0;while(C&&C!==r){B+=C.offsetLeft;z+=C.offsetTop;C=C.parentNode}if(!a.isMobile){if((a.isRTL&&B-D-t.offsetWidth>this.margin)||(!a.isRTL&&B+t.offsetWidth>document.body.offsetWidth-this.margin)){w="right";B=Math.max(this.margin,B-D-t.offsetWidth+6)}}if(!n){t.style["borderRadiusTop"+w]=0;t.style["WebkitBorderRadiusTop"+w]=0;t.style["MozBorderRadiusTop"+w]=0;t.style["KhtmlBorderRadiusTop"+w]=0}}t.style.left=B+"px";t.style.top=z+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return h(s)},Remove:function(r,s){j.Post(["unpost",a.jax]);var t=document.getElementById("MathJax_MenuFrame");if(t){t.parentNode.removeChild(t);if(this.msieFixedPositionBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}return h(r)},Find:function(r){return this.FindN(1,r,[].slice.call(arguments,1))},FindId:function(r){return this.FindN(0,r,[].slice.call(arguments,1))},FindN:function(v,s,u){for(var t=0,r=this.items.length;t<r;t++){if(this.items[t].name[v]===s){if(u.length){if(!this.items[t].menu){return null}return this.items[t].menu.FindN(v,u[0],u.slice(1))}return this.items[t]}}return null},IndexOf:function(r){return this.IndexOfN(1,r)},IndexOfId:function(r){return this.IndexOfN(0,r)},IndexOfN:function(u,s){for(var t=0,r=this.items.length;t<r;t++){if(this.items[t].name[u]===s){return t}}return null}},{config:p,div:null,Close:function(r){return a.Event(r,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(r){return a.Event(r,this,"Remove")},Mouseover:function(r){return a.Event(r,this,"Mouseover")},Mouseout:function(r){return a.Event(r,this,"Mouseout")},Mousedown:function(r){return a.Event(r,this,"Mousedown")},Mouseup:function(r){return a.Event(r,this,"Mouseup")},Touchstart:function(r){return a.Event(r,this,"Touchstart")},Touchend:function(r){return a.Event(r,this,"Touchend")},Event:function(t,v,r,u){if(a.skipMouseover&&r==="Mouseover"&&!u){return h(t)}if(a.skipUp){if(r.match(/Mouseup|Touchend/)){delete a.skipUp;return h(t)}if(r==="Touchstart"||(r==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!t){t=window.event}var s=v.menuItem;if(s&&s[r]){return s[r](t,v)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(s){var t=g.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:s,onmousedown:this.Remove}]]);var r=t.firstChild;if(a.msieBackgroundBug){r.style.backgroundColor="white";r.style.filter="alpha(opacity=0)"}if(a.msieFixedPositionBug){t.width=t.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{r.style.position="fixed"}return t},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var r=document.getElementById("MathJax_MenuFrame");if(r){r=r.firstChild;r.style.width=r.style.height="1px";r.style.width=document.body.scrollWidth+"px";r.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){g.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=g.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var r=new Image();r.src=p.closeImg}}});var m=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(s){if(!this.hidden){var r={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:h,onselectstart:h,onselectend:h,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){r.className+=" MathJax_MenuDisabled"}g.addElement(s,"div",r,this.Label(r,s))}},Name:function(){return o(this.name[0],this.name[1])},Mouseover:function(v,x){if(!this.disabled){this.Activate(x)}if(!this.menu||!this.menu.posted){var w=document.getElementById("MathJax_MenuFrame").childNodes,s=x.parentNode.childNodes;for(var t=0,r=s.length;t<r;t++){var u=s[t].menuItem;if(u&&u.menu&&u.menu.posted){u.Deactivate(s[t])}}r=w.length-1;while(r>=0&&x.parentNode.menuItem!==w[r].menuItem){w[r].menuItem.posted=false;w[r].parentNode.removeChild(w[r]);r--}if(this.Timer&&!a.isMobile){this.Timer(v,x)}}},Mouseout:function(r,s){if(!this.menu||!this.menu.posted){this.Deactivate(s)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(r,s){return this.Remove(r,s)},Touchstart:function(r,s){return this.TouchEvent(r,s,"Mousedown")},Touchend:function(r,s){return this.TouchEvent(r,s,"Mouseup")},TouchEvent:function(s,t,r){if(this!==m.lastItem){if(m.lastMenu){a.Event(s,m.lastMenu,"Mouseout")}a.Event(s,t,"Mouseover",true);m.lastItem=this;m.lastMenu=t}if(this.nativeTouch){return null}a.Event(s,t,r);return false},Remove:function(r,s){s=s.parentNode.menuItem;return s.Remove(r,s)},Activate:function(r){this.Deactivate(r);r.className+=" MathJax_MenuActive"},Deactivate:function(r){r.className=r.className.replace(/ MathJax_MenuActive/,"")},With:function(r){if(r){c.Insert(this,r)}return this},isRTL:function(){return a.isRTL},rtlClass:function(){return(this.isRTL()?" RTL":"")}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(r,t,s){if(!(r instanceof Array)){r=[r,r]}this.name=r;this.action=t;this.With(s)},Label:function(r,s){return[this.Name()]},Mouseup:function(r,s){if(!this.disabled){this.Remove(r,s);j.Post(["command",this]);this.action.call(this,r)}return h(r)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(n&&!c.Browser.isSafari?"\u25B6":"\u25B8"),markerRTL:(n&&!c.Browser.isSafari?"\u25B0":"\u25C2"),Init:function(r,t){if(!(r instanceof Array)){r=[r,r]}this.name=r;var s=1;if(!(t instanceof a.ITEM)){this.With(t),s++}this.menu=a.apply(a,[].slice.call(arguments,s))},Label:function(r,s){this.menu.posted=false;return[this.Name()+" ",["span",{className:"MathJax_MenuArrow"+this.rtlClass()},[this.isRTL()?this.markerRTL:this.marker]]]},Timer:function(r,s){if(this.timer){clearTimeout(this.timer)}r={clientX:r.clientX,clientY:r.clientY};this.timer=setTimeout(f(["Mouseup",this,r,s]),p.delay)},Touchend:function(s,u){var t=this.menu.posted;var r=this.SUPER(arguments).Touchend.apply(this,arguments);if(t){this.Deactivate(u);delete m.lastItem;delete m.lastMenu}return r},Mouseup:function(s,u){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(s,u,this.ltr)}else{var t=document.getElementById("MathJax_MenuFrame").childNodes,r=t.length-1;while(r>=0){var v=t[r];v.menuItem.posted=false;v.parentNode.removeChild(v);if(v.menuItem===this.menu){break}r--}}}return h(s)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(n?"\u25CF":"\u2713"),Init:function(s,r,t){if(!(s instanceof Array)){s=[s,s]}this.name=s;this.variable=r;this.With(t);if(this.value==null){this.value=this.name[0]}},Label:function(s,t){var r={className:"MathJax_MenuRadioCheck"+this.rtlClass()};if(p.settings[this.variable]!==this.value){r={style:{display:"none"}}}return[["span",r,[this.marker]]," "+this.Name()]},Mouseup:function(u,v){if(!this.disabled){var w=v.parentNode.childNodes;for(var s=0,r=w.length;s<r;s++){var t=w[s].menuItem;if(t&&t.variable===this.variable){w[s].firstChild.style.display="none"}}v.firstChild.display="";p.settings[this.variable]=this.value;a.cookie[this.variable]=p.settings[this.variable];a.saveCookie();j.Post(["radio button",this])}this.Remove(u,v);if(this.action&&!this.disabled){this.action.call(a,this)}return h(u)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(s,r,t){if(!(s instanceof Array)){s=[s,s]}this.name=s;this.variable=r;this.With(t)},Label:function(s,t){var r={className:"MathJax_MenuCheck"+this.rtlClass()};if(!p.settings[this.variable]){r={style:{display:"none"}}}return[["span",r,[this.marker]]," "+this.Name()]},Mouseup:function(r,s){if(!this.disabled){s.firstChild.display=(p.settings[this.variable]?"none":"");p.settings[this.variable]=!p.settings[this.variable];a.cookie[this.variable]=p.settings[this.variable];a.saveCookie();j.Post(["checkbox",this])}this.Remove(r,s);if(this.action&&!this.disabled){this.action.call(a,this)}return h(r)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(r,s){if(!(r instanceof Array)){r=[r,r]}this.name=r;this.With(s)},Label:function(r,s){delete r.onmouseover,delete r.onmouseout;delete r.onmousedown;r.className+=" MathJax_MenuLabel";return[this.Name()]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(r,s){delete r.onmouseover,delete r.onmouseout;delete r.onmousedown;r.className+=" MathJax_MenuRule";return null}});a.About=function(){var t=b["HTML-CSS"]||{};var s=(t.imgFonts?"image":(t.fontInUse?(t.webFonts?"web":"local")+" "+t.fontInUse:(b.SVG?"web SVG":"generic")))+" fonts";var x=(!t.webFonts||t.imgFonts?null:t.allowWebFonts.replace(/otf/,"woff or otf")+" fonts");var r=["MathJax.js v"+MathJax.fileversion,["br"]];r.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(r,MathJax.InputJax,["InputJax","%1 Input Jax v%2"]);a.About.GetJax(r,MathJax.OutputJax,["OutputJax","%1 Output Jax v%2"]);a.About.GetJax(r,MathJax.ElementJax,["ElementJax","%1 Element Jax v%2"]);r.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(r,MathJax.Extension,["Extension","%1 Extension v%2"],true);r.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(x?" \u2014 "+o(x.replace(/ /g,""),x):"")]]);a.About.div=a.Background(a.About);var v=g.addElement(a.About.div,"div",{id:"MathJax_About"},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],o(s.replace(/ /g,""),"using "+s),["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","max-height":"20em",overflow:"auto","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},r],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]],["img",{src:p.closeImg,style:{width:"21px",height:"21px",position:"absolute",top:".2em",right:".2em"},onclick:a.About.Remove}]]);MathJax.Localization.setCSS(v);var w=(document.documentElement||{});var u=window.innerHeight||w.clientHeight||w.scrollHeight||0;if(a.prototype.msieAboutBug){v.style.width="20em";v.style.position="absolute";v.style.left=Math.floor((document.documentElement.scrollWidth-v.offsetWidth)/2)+"px";v.style.top=(Math.floor((u-v.offsetHeight)/3)+document.body.scrollTop)+"px"}else{v.style.marginLeft=Math.floor(-v.offsetWidth/2)+"px";v.style.top=Math.floor((u-v.offsetHeight)/3)+"px"}};a.About.Remove=function(r){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(s,x,v,u){var w=[];for(var y in x){if(x.hasOwnProperty(y)&&x[y]){if((u&&x[y].version)||(x[y].isa&&x[y].isa(x))){w.push(o(v[0],v[1],(x[y].id||y),x[y].version))}}}w.sort();for(var t=0,r=w.length;t<r;t++){s.push(w[t],["br"])}return s};a.Help=function(){k.Require("[MathJax]/extensions/HelpDialog.js",function(){MathJax.Extension.Help.Dialog()})};a.ShowSource=function(v){if(!v){v=window.event}var u={screenX:v.screenX,screenY:v.screenY};if(!a.jax){return}if(this.format==="MathML"){var s=MathJax.ElementJax.mml;if(s&&typeof(s.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML("",a.jax),v)}catch(t){if(!t.restart){throw t}f.After([this,a.ShowSource,u],t.restart)}}else{if(!k.loadingToMathML){k.loadingToMathML=true;a.ShowSource.Window(v);f.Queue(k.Require("[MathJax]/extensions/toMathML.js"),function(){delete k.loadingToMathML;if(!s.mbase.prototype.toMathML){s.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,u]);return}}}else{if(this.format==="Error"){a.ShowSource.Text(a.jax.errorText,v)}else{if(p.semanticsAnnotations[this.format]){var r=a.jax.root.getAnnotation(this.format);if(r.data[0]){a.ShowSource.Text(r.data[0].toString())}}else{if(a.jax.originalText==null){alert(o("NoOriginalForm","No original form available"));return}a.ShowSource.Text(a.jax.originalText,v)}}}};a.ShowSource.Window=function(s){if(!a.ShowSource.w){var t=[],r=p.windowSettings;for(var u in r){if(r.hasOwnProperty(u)){t.push(u+"="+r[u])}}a.ShowSource.w=window.open("","_blank",t.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(v,t){var r=a.ShowSource.Window(t);delete a.ShowSource.w;v=v.replace(/^\s*/,"").replace(/\s*$/,"");v=v.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");var u=o("EqSource","MathJax Equation Source");if(a.isMobile){r.document.open();r.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>"+u+"</title></head><body style='font-size:85%'>");r.document.write("<pre>"+v+"</pre>");r.document.write("<hr><input type='button' value='"+o("Close","Close")+"' onclick='window.close()' />");r.document.write("</body></html>");r.document.close()}else{r.document.open();r.document.write("<html><head><title>"+u+"</title></head><body style='font-size:85%'>");r.document.write("<table><tr><td><pre>"+v+"</pre></td></tr></table>");r.document.write("</body></html>");r.document.close();var s=r.document.body.firstChild;setTimeout(function(){var A=(r.outerHeight-r.innerHeight)||30,z=(r.outerWidth-r.innerWidth)||30,w,D;z=Math.max(100,Math.min(Math.floor(0.5*screen.width),s.offsetWidth+z+25));A=Math.max(40,Math.min(Math.floor(0.5*screen.height),s.offsetHeight+A+25));if(a.prototype.msieHeightBug){A+=35}r.resizeTo(z,A);var C;try{C=t.screenX}catch(B){}if(t&&C!=null){w=Math.max(0,Math.min(t.screenX-Math.floor(z/2),screen.width-z-20));D=Math.max(0,Math.min(t.screenY-Math.floor(A/2),screen.height-A-20));r.moveTo(w,D)}},50)}};a.Scale=function(){var s=b["HTML-CSS"],r=b.NativeMML,v=b.SVG;var u=(s||r||v||{config:{scale:100}}).config.scale;var t=prompt(o("ScaleMath","Scale all mathematics (compared to surrounding text) by"),u+"%");if(t){if(t.match(/^\s*\d+(\.\d*)?\s*%?\s*$/)){t=parseFloat(t);if(t){if(t!==u){if(s){s.config.scale=t}if(r){r.config.scale=t}if(v){v.config.scale=t}a.cookie.scale=t;a.saveCookie();c.Reprocess()}}else{alert(o("NonZeroScale","The scale should not be zero"))}}else{alert(o("PercentScale","The scale should be a percentage (e.g., 120%%)"))}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){k.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var s=c.outputJax["jax/mml"];if(s[0]!==p.settings.renderer){var v=c.Browser,u,r=a.Renderer.Messages,t;switch(p.settings.renderer){case"NativeMML":if(!p.settings.warnedMML){if(v.isChrome&&v.version.substr(0,3)!=="24."){u=r.MML.WebKit}else{if(v.isSafari&&!v.versionAtLeast("5.0")){u=r.MML.WebKit}else{if(v.isMSIE){if(!v.hasMathPlayer){u=r.MML.MSIE}}else{u=r.MML[v]}}}t="warnedMML"}break;case"SVG":if(!p.settings.warnedSVG){if(v.isMSIE&&!e){u=r.SVG.MSIE}}break}if(u){u=o(u[0],u[1]);u+="\n\n";u+=o("SwitchAnyway","Switch the renderer anyway?\n\n(Press OK to switch, CANCEL to continue with the current renderer)");a.cookie.renderer=s[0].id;a.saveCookie();if(!confirm(u)){a.cookie.renderer=p.settings.renderer=g.Cookie.Get("menu").renderer;a.saveCookie();return}if(t){a.cookie.warned=p.settings.warned=true}a.cookie.renderer=p.settings.renderer;a.saveCookie()}c.Queue(["setRenderer",c,p.settings.renderer,"jax/mml"],["Rerender",c])}};a.Renderer.Messages={MML:{WebKit:["WebkitNativeMMLWarning","Your browser doesn't seem to support MathML natively, so switching to MathML output may cause the mathematics on the page to become unreadable."],MSIE:["MSIENativeMMLWarning","Internet Explorer requires the MathPlayer plugin in order to process MathML output."],Opera:["OperaNativeMMLWarning","Opera's support for MathML is limited, so switching to MathML output may cause some expressions to render poorly."],Safari:["SafariNativeMMLWarning","Your browser's native MathML does not implement all the features used by MathJax, so some expressions may not render properly."],Firefox:["FirefoxNativeMMLWarning","Your browser's native MathML does not implement all the features used by MathJax, so some expressions may not render properly."]},SVG:{MSIE:["MSIESVGWarning","SVG is not implemented in Internet Explorer prior to IE9 or when it is emulating IE8 or below. Switching to SVG output will cause the mathematics to not display properly."]}};a.Font=function(){var r=b["HTML-CSS"];if(!r){return}document.location.reload()};a.Locale=function(){MathJax.Localization.setLocale(p.settings.locale);MathJax.Hub.Queue(["Reprocess",MathJax.Hub])};a.LoadLocale=function(){var r=prompt(o("LoadURL","Load translation data from this URL:"));if(r){if(!r.match(/\.js$/)){alert(o("BadURL","The URL should be for a javascript file that defines MathJax translation data. Javascript file names should end with '.js'"))}k.Require(r,function(s){if(s!=k.STATUS.OK){alert(o("BadData","Failed to load translation data from %1",r))}})}};a.MPEvents=function(t){var s=p.settings.discoverable,r=a.MPEvents.Messages;if(!e){if(p.settings.mpMouse&&!confirm(o.apply(o,r.IE8warning))){delete a.cookie.mpContext;delete p.settings.mpContext;delete a.cookie.mpMouse;delete p.settings.mpMouse;a.saveCookie();return}p.settings.mpContext=p.settings.mpMouse;a.cookie.mpContext=a.cookie.mpMouse=p.settings.mpMouse;a.saveCookie();MathJax.Hub.Queue(["Rerender",MathJax.Hub])}else{if(!s&&t.name[1]==="Menu Events"&&p.settings.mpContext){alert(o.apply(o,r.IE9warning))}}};a.MPEvents.Messages={IE8warning:["IE8warning","This will disable the MathJax menu and zoom features, but you can Alt-Click on an expression to obtain the MathJax menu instead.\n\nReally change the MathPlayer settings?"],IE9warning:["IE9warning","The MathJax contextual menu will be disabled, but you can Alt-Click on an expression to obtain the MathJax menu instead."]};c.Browser.Select({MSIE:function(r){var s=(document.compatMode==="BackCompat");var t=r.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:((document.documentMode||0)<9),msieFixedPositionBug:(s||!t),msieAboutBug:s,msieHeightBug:((document.documentMode||0)<9)});if(e){delete p.styles["#MathJax_About"].filter;delete p.styles[".MathJax_Menu"].filter}},Firefox:function(r){a.skipMouseover=r.isMobile&&r.versionAtLeast("6.0");a.skipMousedown=r.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;a.CreateLocaleMenu=function(){if(!a.menu){return}var w=a.menu.Find("Language").menu,t=w.items;var s=[],y=MathJax.Localization.strings;for(var x in y){if(y.hasOwnProperty(x)){s.push(x)}}s=s.sort();w.items=[];for(var u=0,r=s.length;u<r;u++){var v=y[s[u]].menuTitle;if(v){v+=" ("+s[u]+")"}else{v=s[u]}w.items.push(m.RADIO([s[u],v],"locale",{action:a.Locale}))}w.items.push(t[t.length-2],t[t.length-1])};a.CreateAnnotationMenu=function(){if(!a.menu){return}var t=a.menu.Find("Show Math As","Annotation").menu;var s=p.semanticsAnnotations;for(var r in s){if(s.hasOwnProperty(r)){t.items.push(m.COMMAND([r,r],a.ShowSource,{hidden:true,nativeTouch:true,format:r}))}}};c.Register.StartupHook("End Config",function(){p.settings=c.config.menuSettings;if(typeof(p.settings.showRenderer)!=="undefined"){p.showRenderer=p.settings.showRenderer}if(typeof(p.settings.showFontMenu)!=="undefined"){p.showFontMenu=p.settings.showFontMenu}if(typeof(p.settings.showContext)!=="undefined"){p.showContext=p.settings.showContext}a.getCookie();a.menu=a(m.SUBMENU(["Show","Show Math As"],m.COMMAND(["MathMLcode","MathML Code"],a.ShowSource,{nativeTouch:true,format:"MathML"}),m.COMMAND(["Original","Original Form"],a.ShowSource,{nativeTouch:true}),m.SUBMENU(["Annotation","Annotation"],{disabled:true}),m.RULE(),m.CHECKBOX(["texHints","Show TeX hints in MathML"],"texHints"),m.CHECKBOX(["semantics","Add original form as annotation"],"semantics")),m.RULE(),m.SUBMENU(["Settings","Math Settings"],m.SUBMENU(["ZoomTrigger","Zoom Trigger"],m.RADIO(["Hover","Hover"],"zoom",{action:a.Zoom}),m.RADIO(["Click","Click"],"zoom",{action:a.Zoom}),m.RADIO(["DoubleClick","Double-Click"],"zoom",{action:a.Zoom}),m.RADIO(["NoZoom","No Zoom"],"zoom",{value:"None"}),m.RULE(),m.LABEL(["TriggerRequires","Trigger Requires:"]),m.CHECKBOX((c.Browser.isMac?["Option","Option"]:["Alt","Alt"]),"ALT"),m.CHECKBOX(["Command","Command"],"CMD",{hidden:!c.Browser.isMac}),m.CHECKBOX(["Control","Control"],"CTRL",{hidden:c.Browser.isMac}),m.CHECKBOX(["Shift","Shift"],"Shift")),m.SUBMENU(["ZoomFactor","Zoom Factor"],m.RADIO("125%","zscale"),m.RADIO("133%","zscale"),m.RADIO("150%","zscale"),m.RADIO("175%","zscale"),m.RADIO("200%","zscale"),m.RADIO("250%","zscale"),m.RADIO("300%","zscale"),m.RADIO("400%","zscale")),m.RULE(),m.SUBMENU(["Renderer","Math Renderer"],{hidden:!p.showRenderer},m.RADIO("HTML-CSS","renderer",{action:a.Renderer}),m.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"}),m.RADIO("SVG","renderer",{action:a.Renderer})),m.SUBMENU("MathPlayer",{hidden:!c.Browser.isMSIE||!p.showMathPlayer,disabled:!c.Browser.hasMathPlayer},m.LABEL(["MPHandles","Let MathPlayer Handle:"]),m.CHECKBOX(["MenuEvents","Menu Events"],"mpContext",{action:a.MPEvents,hidden:!e}),m.CHECKBOX(["MouseEvents","Mouse Events"],"mpMouse",{action:a.MPEvents,hidden:!e}),m.CHECKBOX(["MenuAndMouse","Mouse and Menu Events"],"mpMouse",{action:a.MPEvents,hidden:e})),m.SUBMENU(["FontPrefs","Font Preference"],{hidden:!p.showFontMenu},m.LABEL(["ForHTMLCSS","For HTML-CSS:"]),m.RADIO(["Auto","Auto"],"font",{action:a.Font}),m.RULE(),m.RADIO(["TeXLocal","TeX (local)"],"font",{action:a.Font}),m.RADIO(["TeXWeb","TeX (web)"],"font",{action:a.Font}),m.RADIO(["TeXImage","TeX (image)"],"font",{action:a.Font}),m.RULE(),m.RADIO(["STIXLocal","STIX (local)"],"font",{action:a.Font}),m.RADIO(["STIXWeb","STIX (web)"],"font",{action:a.Font}),m.RULE(),m.RADIO(["AsanaMathWeb","Asana Math (web)"],"font",{action:a.Font}),m.RADIO(["GyrePagellaWeb","Gyre Pagella (web)"],"font",{action:a.Font}),m.RADIO(["GyreTermesWeb","Gyre Termes (web)"],"font",{action:a.Font}),m.RADIO(["LatinModernWeb","Latin Modern (web)"],"font",{action:a.Font}),m.RADIO(["NeoEulerWeb","Neo Euler (web)"],"font",{action:a.Font})),m.SUBMENU(["ContextMenu","Contextual Menu"],{hidden:!p.showContext},m.RADIO("MathJax","context"),m.RADIO(["Browser","Browser"],"context")),m.COMMAND(["Scale","Scale All Math ..."],a.Scale),m.RULE().With({hidden:!p.showDiscoverable,name:["","discover_rule"]}),m.CHECKBOX(["Discoverable","Highlight on Hover"],"discoverable",{hidden:!p.showDiscoverable})),m.SUBMENU(["Locale","Language"],{hidden:!p.showLocale,ltr:true},m.RADIO("en","locale",{action:a.Locale}),m.RULE().With({hidden:!p.showLocaleURL,name:["","localURL_rule"]}),m.COMMAND(["LoadLocale","Load from URL ..."],a.LoadLocale,{hidden:!p.showLocaleURL})),m.RULE(),m.COMMAND(["About","About MathJax"],a.About),m.COMMAND(["Help","MathJax Help"],a.Help));if(a.isMobile){(function(){var s=p.settings;var r=a.menu.Find("Math Settings","Zoom Trigger").menu;r.items[0].disabled=r.items[1].disabled=true;if(s.zoom==="Hover"||s.zoom=="Click"){s.zoom="None"}r.items=r.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}a.CreateLocaleMenu();a.CreateAnnotationMenu()});a.showRenderer=function(r){a.cookie.showRenderer=p.showRenderer=r;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!r};a.showMathPlayer=function(r){a.cookie.showMathPlayer=p.showMathPlayer=r;a.saveCookie();a.menu.Find("Math Settings","MathPlayer").hidden=!r};a.showFontMenu=function(r){a.cookie.showFontMenu=p.showFontMenu=r;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!r};a.showContext=function(r){a.cookie.showContext=p.showContext=r;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!r};a.showDiscoverable=function(r){a.cookie.showDiscoverable=p.showDiscoverable=r;a.saveCookie();a.menu.Find("Math Settings","Highlight on Hover").hidden=!r;a.menu.Find("Math Settings","discover_rule").hidden=!r};a.showLocale=function(r){a.cookie.showLocale=p.showLocale=r;a.saveCookie();a.menu.Find("Language").hidden=!r};MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function(){if(!MathJax.OutputJax["HTML-CSS"].config.imageFont){a.menu.Find("Math Settings","Font Preference","TeX (image)").disabled=true}});f.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",k,p.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",k,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
diff --git a/backend/epub/MathJax/extensions/MathZoom.js b/backend/epub/MathJax/extensions/MathZoom.js
deleted file mode 100644
index 7db7ce04..00000000
--- a/backend/epub/MathJax/extensions/MathZoom.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/MathZoom.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(a,d,f,c,j){var k="2.4.0";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomFrame":{position:"relative",display:"inline-block",height:0,width:0},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"||this.settings.zoom==="DoubleClick"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(o,u){this.Remove();b.ClearHoverTimer();g.ClearSelection();var s=MathJax.OutputJax[u.jaxID];var p=s.getJaxFromMath(u);if(p.hover){b.UnHover(p)}var q=this.findContainer(u);var l=Math.floor(0.85*q.clientWidth),t=Math.max(document.body.clientHeight,document.documentElement.clientHeight);if(this.getOverflow(q)!=="visible"){t=Math.min(q.clientHeight,t)}t=Math.floor(0.85*t);var n=d.Element("span",{id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var z=n.lastChild,w=z.firstChild,r=n.firstChild;u.parentNode.insertBefore(n,u);u.parentNode.insertBefore(u,n);if(w.addEventListener){w.addEventListener("mousedown",this.Remove,true)}var m=z.offsetWidth||z.clientWidth;l-=m;t-=m;z.style.maxWidth=l+"px";z.style.maxHeight=t+"px";if(this.msieTrapEventBug){var y=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});n.insertBefore(y,z)}if(this.msieZIndexBug){var v=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});n.style.position="relative";n.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];n=v}var x=s.Zoom(p,w,u,l,t);if(this.msiePositionBug){if(this.msieSizeBug){z.style.height=x.zH+"px";z.style.width=x.zW+"px"}if(z.offsetHeight>t){z.style.height=t+"px";z.style.width=(x.zW+this.scrollSize)+"px"}if(z.offsetWidth>l){z.style.width=l+"px";z.style.height=(x.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){z.style.width=Math.min(l,x.zW)+"px"}if(z.offsetWidth>m&&z.offsetWidth-m<l&&z.offsetHeight-m<t){z.style.overflow="visible"}this.Position(z,x);if(this.msieTrapEventBug){y.style.height=z.clientHeight+"px";y.style.width=z.clientWidth+"px";y.style.left=(parseFloat(z.style.left)+z.clientLeft)+"px";y.style.top=(parseFloat(z.style.top)+z.clientTop)+"px"}z.style.visibility="";if(this.settings.zoom==="Hover"){r.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}a.signal.Post(["math zoomed",p]);return e(o)},Position:function(p,r){p.style.display="none";var q=this.Resize(),m=q.x,s=q.y,l=r.mW;p.style.display="";var o=-l-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px";if(!h.msiePositionBug){h.SetWH()}},Resize:function(m){if(h.onresize){h.onresize(m)}var q=document.getElementById("MathJax_ZoomFrame"),l=document.getElementById("MathJax_ZoomOverlay");var o=h.getXY(q),n=h.findContainer(q);if(h.getOverflow(n)!=="visible"){l.scroll_parent=n;var p=h.getXY(n);o.x-=p.x;o.y-=p.y;p=h.getBorder(n);o.x-=p.x;o.y-=p.y}l.style.left=(-o.x)+"px";l.style.top=(-o.y)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return o},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.display="none";var m=l.scroll_parent||document.documentElement||document.body;l.style.width=m.scrollWidth+"px";l.style.height=Math.max(m.clientHeight,m.scrollHeight)+"px";l.style.display=""},findContainer:function(l){l=l.parentNode;while(l.parentNode&&l!==document.body&&h.getOverflow(l)==="visible"){l=l.parentNode}return l},getOverflow:(window.getComputedStyle?function(l){return getComputedStyle(l).overflow}:function(l){return(l.currentStyle||{overflow:"visible"}).overflow}),getBorder:function(o){var m={thin:1,medium:2,thick:3};var n=(window.getComputedStyle?getComputedStyle(o):(o.currentStyle||{borderLeftWidth:0,borderTopWidth:0}));var l=n.borderLeftWidth,p=n.borderTopWidth;if(m[l]){l=m[l]}else{l=parseInt(l)}if(m[p]){p=m[p]}else{p=parseInt(p)}return{x:l,y:p}},getXY:function(o){var l=0,n=0,m;m=o;while(m.offsetParent){l+=m.offsetLeft;m=m.offsetParent}if(h.operaPositionBug){o.style.border="1px solid"}m=o;while(m.offsetParent){n+=m.offsetTop;m=m.offsetParent}if(h.operaPositionBug){o.style.border=""}return{x:l,y:n}},Remove:function(n){var p=document.getElementById("MathJax_ZoomFrame");if(p){var o=MathJax.OutputJax[p.previousSibling.jaxID];var l=o.getJaxFromMath(p.previousSibling);a.signal.Post(["math unzoomed",l]);p.parentNode.removeChild(p);p=document.getElementById("MathJax_ZoomTracker");if(p){p.parentNode.removeChild(p)}if(h.operaRefreshBug){var m=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(m)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(n)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
diff --git a/backend/epub/MathJax/extensions/Safe.js b/backend/epub/MathJax/extensions/Safe.js
deleted file mode 100644
index 78212730..00000000
--- a/backend/epub/MathJax/extensions/Safe.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/Safe.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(d,c){var f="2.4.0";var a=MathJax.Hub.CombineConfig("Safe",{allow:{URLs:"safe",classes:"safe",cssIDs:"safe",styles:"safe",fontsize:"all",require:"safe"},sizeMin:0.7,sizeMax:1.44,safeProtocols:{http:true,https:true,file:true,javascript:false},safeStyles:{color:true,backgroundColor:true,border:true,cursor:true,margin:true,padding:true,textShadow:true,fontFamily:true,fontSize:true,fontStyle:true,fontWeight:true,opacity:true,outline:true},safeRequire:{action:true,amscd:true,amsmath:true,amssymbols:true,autobold:false,"autoload-all":false,bbox:true,begingroup:true,boldsymbol:true,cancel:true,color:true,enclose:true,extpfeil:true,HTML:true,mathchoice:true,mhchem:true,newcommand:true,noErrors:false,noUndefined:false,unicode:true,verb:true}});var e=a.allow;if(e.fontsize!=="all"){a.safeStyles.fontSize=false}var b=MathJax.Extension.Safe={version:f,config:a,div1:document.createElement("div"),div2:document.createElement("div"),filter:{href:"filterURL",src:"filterURL",altimg:"filterURL","class":"filterClass",style:"filterStyles",id:"filterID",fontsize:"filterFontSize",mathsize:"filterFontSize",scriptminsize:"filterFontSize",scriptsizemultiplier:"filterSizeMultiplier",scriptlevel:"filterScriptLevel"},filterURL:function(g){var h=(g.match(/^\s*([a-z]+):/i)||[null,""])[1].toLowerCase();if(e.URLs==="none"||(e.URLs!=="all"&&!a.safeProtocols[h])){g=null}return g},filterClass:function(g){if(e.classes==="none"||(e.classes!=="all"&&!g.match(/^MJX-[-a-zA-Z0-9_.]+$/))){g=null}return g},filterID:function(g){if(e.cssIDs==="none"||(e.cssIDs!=="all"&&!g.match(/^MJX-[-a-zA-Z0-9_.]+$/))){g=null}return g},filterStyles:function(j){if(e.styles==="all"){return j}if(e.styles==="none"){return null}try{var i=this.div1.style,h=this.div2.style;i.cssText=j;h.cssText="";for(var g in a.safeStyles){if(a.safeStyles.hasOwnProperty(g)){var k=this.filterStyle(g,i[g]);if(k!=null){h[g]=k}}}j=h.cssText}catch(l){j=null}return j},filterStyle:function(g,h){if(typeof h!=="string"){return null}if(h.match(/^\s*expression/)){return null}if(h.match(/javascript:/)){return null}return(a.safeStyles[g]?h:null)},filterSize:function(g){if(e.fontsize==="none"){return null}if(e.fontsize!=="all"){g=Math.min(Math.max(g,a.sizeMin),a.sizeMax)}return g},filterFontSize:function(g){return(e.fontsize==="all"?g:null)},filterSizeMultiplier:function(g){if(e.fontsize==="none"){g=null}else{if(e.fontsize!=="all"){g=Math.min(1,Math.max(0.6,g)).toString()}}return g},filterScriptLevel:function(g){if(e.fontsize==="none"){g=null}else{if(e.fontsize!=="all"){g=Math.max(0,g).toString()}}return g},filterRequire:function(g){if(e.require==="none"||(e.require!=="all"&&!a.safeRequire[g.toLowerCase()])){g=null}return g}};d.Register.StartupHook("TeX HTML Ready",function(){var g=MathJax.InputJax.TeX;g.Parse.Augment({HREF_attribute:function(j){var i=b.filterURL(this.GetArgument(j)),h=this.GetArgumentMML(j);if(i){h.With({href:i})}this.Push(h)},CLASS_attribute:function(i){var j=b.filterClass(this.GetArgument(i)),h=this.GetArgumentMML(i);if(j){if(h["class"]!=null){j=h["class"]+" "+j}h.With({"class":j})}this.Push(h)},STYLE_attribute:function(i){var j=b.filterStyles(this.GetArgument(i)),h=this.GetArgumentMML(i);if(j){if(h.style!=null){if(j.charAt(j.length-1)!==";"){j+=";"}j=h.style+" "+j}h.With({style:j})}this.Push(h)},ID_attribute:function(j){var i=b.filterID(this.GetArgument(j)),h=this.GetArgumentMML(j);if(i){h.With({id:i})}this.Push(h)}})});d.Register.StartupHook("TeX Jax Ready",function(){var i=MathJax.InputJax.TeX,h=i.Parse,g=b.filter;h.Augment({Require:function(j){var k=this.GetArgument(j).replace(/.*\//,"").replace(/[^a-z0-9_.-]/ig,"");k=b.filterRequire(k);if(k){this.Extension(null,k)}},MmlFilterAttribute:function(j,k){if(g[j]){k=b[g[j]](k)}return k},SetSize:function(j,k){k=b.filterSize(k);if(k){this.stack.env.size=k;this.Push(i.Stack.Item.style().With({styles:{mathsize:k+"em"}}))}}})});d.Register.StartupHook("TeX bbox Ready",function(){var g=MathJax.InputJax.TeX;g.Parse.Augment({BBoxStyle:function(h){return b.filterStyles(h)}})});d.Register.StartupHook("MathML Jax Ready",function(){var h=MathJax.InputJax.MathML.Parse,g=b.filter;h.Augment({filterAttribute:function(i,j){if(g[i]){j=b[g[i]](j)}return j}})});d.Startup.signal.Post("Safe Extension Ready");c.loadComplete("[MathJax]/extensions/Safe.js")})(MathJax.Hub,MathJax.Ajax);
diff --git a/backend/epub/MathJax/extensions/TeX/AMScd.js b/backend/epub/MathJax/extensions/TeX/AMScd.js
deleted file mode 100644
index 45d9ccdf..00000000
--- a/backend/epub/MathJax/extensions/TeX/AMScd.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/AMScd.js
- *
- * Copyright (c) 2009-2014 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["TeX/AMScd"]={version:"2.4.0",config:MathJax.Hub.CombineConfig("TeX.CD",{colspace:"5pt",rowspace:"5pt",harrowsize:"2.75em",varrowsize:"1.75em",hideHorizontalLabels:false})};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.ElementJax.mml,e=MathJax.InputJax.TeX,d=e.Stack.Item,c=e.Definitions,a=MathJax.Extension["TeX/AMScd"].config;c.environment.CD="CD_env";c.special["@"]="CD_arrow";c.macros.minCDarrowwidth="CD_minwidth";c.macros.minCDarrowheight="CD_minheight";e.Parse.Augment({CD_env:function(f){this.Push(f);return d.array().With({arraydef:{columnalign:"center",columnspacing:a.colspace,rowspacing:a.rowspace,displaystyle:true},minw:this.stack.env.CD_minw||a.harrowsize,minh:this.stack.env.CD_minh||a.varrowsize})},CD_arrow:function(g){var l=this.string.charAt(this.i);if(!l.match(/[><VA.|=]/)){return this.Other(g)}else{this.i++}var o=this.stack.Top();if(!o.isa(d.array)||o.data.length){this.CD_cell(g)}var q=((o.table.length%2)===1);var i=(o.row.length+(q?0:1))%2;while(i){this.CD_cell(g);i--}var h;var f={minsize:o.minw,stretchy:true},k={minsize:o.minh,stretchy:true,symmetric:true,lspace:0,rspace:0};if(l==="."){}else{if(l==="|"){h=this.mmlToken(b.mo("\u2225").With(k))}else{if(l==="="){h=this.mmlToken(b.mo("=").With(f))}else{var r={">":"\u2192","<":"\u2190",V:"\u2193",A:"\u2191"}[l];var p=this.GetUpTo(g+l,l),m=this.GetUpTo(g+l,l);if(l===">"||l==="<"){h=b.mo(r).With(f);if(!p){p="\\kern "+o.minw}if(p||m){var j={width:"+11mu",lspace:"6mu"};h=b.munderover(this.mmlToken(h));if(p){p=e.Parse(p,this.stack.env).mml();h.SetData(h.over,b.mpadded(p).With(j).With({voffset:".1em"}))}if(m){m=e.Parse(m,this.stack.env).mml();h.SetData(h.under,b.mpadded(m).With(j))}if(a.hideHorizontalLabels){h=b.mpadded(h).With({depth:0,height:".67em"})}}}else{h=r=this.mmlToken(b.mo(r).With(k));if(p||m){h=b.mrow();if(p){h.Append(e.Parse("\\scriptstyle\\llap{"+p+"}",this.stack.env).mml())}h.Append(r.With({texClass:b.TEXCLASS.ORD}));if(m){h.Append(e.Parse("\\scriptstyle\\rlap{"+m+"}",this.stack.env).mml())}}}}}}if(h){this.Push(h)}this.CD_cell(g)},CD_cell:function(f){var g=this.stack.Top();if((g.table||[]).length%2===0&&(g.row||[]).length===0){this.Push(b.mpadded().With({height:"8.5pt",depth:"2pt"}))}this.Push(d.cell().With({isEntry:true,name:f}))},CD_minwidth:function(f){this.stack.env.CD_minw=this.GetDimen(f)},CD_minheight:function(f){this.stack.env.CD_minh=this.GetDimen(f)}})});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/AMScd.js");
diff --git a/backend/epub/MathJax/extensions/TeX/AMSmath.js b/backend/epub/MathJax/extensions/TeX/AMSmath.js
deleted file mode 100644
index f0593620..00000000
--- a/backend/epub/MathJax/extensions/TeX/AMSmath.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/AMSmath.js
- *
- * Copyright (c) 2009-2014 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["TeX/AMSmath"]={version:"2.4.0",number:0,startNumber:0,IDs:{},eqIDs:{},labels:{},eqlabels:{},refs:[]};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.ElementJax.mml,g=MathJax.InputJax.TeX,f=MathJax.Extension["TeX/AMSmath"];var d=g.Definitions,e=g.Stack.Item,a=g.config.equationNumbers;var c=function(j){var l=[];for(var k=0,h=j.length;k<h;k++){l[k]=g.Parse.prototype.Em(j[k])}return l.join(" ")};d.Add({mathchar0mo:{iiiint:["2A0C",{texClass:b.TEXCLASS.OP}]},macros:{mathring:["Accent","2DA"],nobreakspace:"Tilde",negmedspace:["Spacer",b.LENGTH.NEGATIVEMEDIUMMATHSPACE],negthickspace:["Spacer",b.LENGTH.NEGATIVETHICKMATHSPACE],idotsint:["MultiIntegral","\\int\\cdots\\int"],dddot:["Accent","20DB"],ddddot:["Accent","20DC"],sideset:["Macro","\\mathop{\\mathop{\\rlap{\\phantom{#3}}}\\nolimits#1\\!\\mathop{#3}\\nolimits#2}",3],boxed:["Macro","\\fbox{$\\displaystyle{#1}$}",1],tag:"HandleTag",notag:"HandleNoTag",label:"HandleLabel",ref:"HandleRef",eqref:["HandleRef",true],substack:["Macro","\\begin{subarray}{c}#1\\end{subarray}",1],injlim:["NamedOp","inj&thinsp;lim"],projlim:["NamedOp","proj&thinsp;lim"],varliminf:["Macro","\\mathop{\\underline{\\mmlToken{mi}{lim}}}"],varlimsup:["Macro","\\mathop{\\overline{\\mmlToken{mi}{lim}}}"],varinjlim:["Macro","\\mathop{\\underrightarrow{\\mmlToken{mi}{lim}\\Rule{-1pt}{0pt}{1pt}}\\Rule{0pt}{0pt}{.45em}}"],varprojlim:["Macro","\\mathop{\\underleftarrow{\\mmlToken{mi}{lim}\\Rule{-1pt}{0pt}{1pt}}\\Rule{0pt}{0pt}{.45em}}"],DeclareMathOperator:"HandleDeclareOp",operatorname:"HandleOperatorName",genfrac:"Genfrac",frac:["Genfrac","","","",""],tfrac:["Genfrac","","","",1],dfrac:["Genfrac","","","",0],binom:["Genfrac","(",")","0em",""],tbinom:["Genfrac","(",")","0em",1],dbinom:["Genfrac","(",")","0em",0],cfrac:"CFrac",shoveleft:["HandleShove",b.ALIGN.LEFT],shoveright:["HandleShove",b.ALIGN.RIGHT],xrightarrow:["xArrow",8594,5,6],xleftarrow:["xArrow",8592,7,3]},environment:{align:["AMSarray",null,true,true,"rlrlrlrlrlrl",c([0,2,0,2,0,2,0,2,0,2,0])],"align*":["AMSarray",null,false,true,"rlrlrlrlrlrl",c([0,2,0,2,0,2,0,2,0,2,0])],multline:["Multline",null,true],"multline*":["Multline",null,false],split:["AMSarray",null,false,false,"rl",c([0])],gather:["AMSarray",null,true,true,"c"],"gather*":["AMSarray",null,false,true,"c"],alignat:["AlignAt",null,true,true],"alignat*":["AlignAt",null,false,true],alignedat:["AlignAt",null,false,false],aligned:["AlignedArray",null,null,null,"rlrlrlrlrlrl",c([0,2,0,2,0,2,0,2,0,2,0]),".5em","D"],gathered:["AlignedArray",null,null,null,"c",null,".5em","D"],subarray:["Array",null,null,null,null,c([0,0,0,0]),"0.1em","S",1],smallmatrix:["Array",null,null,null,"c",c([1/3]),".2em","S",1],equation:["EquationBegin","Equation",true],"equation*":["EquationBegin","EquationStar",false],eqnarray:["AMSarray",null,true,true,"rcl",b.LENGTH.THICKMATHSPACE,".5em"],"eqnarray*":["AMSarray",null,false,true,"rcl",b.LENGTH.THICKMATHSPACE,".5em"]},delimiter:{"\\lvert":["2223",{texClass:b.TEXCLASS.OPEN}],"\\rvert":["2223",{texClass:b.TEXCLASS.CLOSE}],"\\lVert":["2225",{texClass:b.TEXCLASS.OPEN}],"\\rVert":["2225",{texClass:b.TEXCLASS.CLOSE}]}},null,true);g.Parse.Augment({HandleTag:function(j){var l=this.GetStar();var i=this.trimSpaces(this.GetArgument(j)),h=i;if(!l){i=a.formatTag(i)}var k=this.stack.global;k.tagID=h;if(k.notags){g.Error(["CommandNotAllowedInEnv","%1 not allowed in %2 environment",j,k.notags])}if(k.tag){g.Error(["MultipleCommand","Multiple %1",j])}k.tag=b.mtd.apply(b,this.InternalMath(i)).With({id:a.formatID(h)})},HandleNoTag:function(h){if(this.stack.global.tag){delete this.stack.global.tag}this.stack.global.notag=true},HandleLabel:function(i){var j=this.stack.global,h=this.GetArgument(i);if(h===""){return}if(!f.refUpdate){if(j.label){g.Error(["MultipleCommand","Multiple %1",i])}j.label=h;if(f.labels[h]||f.eqlabels[h]){g.Error(["MultipleLabel","Label '%1' multiply defined",h])}f.eqlabels[h]={tag:"???",id:""}}},HandleRef:function(j,l){var i=this.GetArgument(j);var k=f.labels[i]||f.eqlabels[i];if(!k){k={tag:"???",id:""};f.badref=!f.refUpdate}var h=k.tag;if(l){h=a.formatTag(h)}this.Push(b.mrow.apply(b,this.InternalMath(h)).With({href:a.formatURL(k.id),"class":"MathJax_ref"}))},HandleDeclareOp:function(i){var h=(this.GetStar()?"":"\\nolimits");var j=this.trimSpaces(this.GetArgument(i));if(j.charAt(0)=="\\"){j=j.substr(1)}var k=this.GetArgument(i);k=k.replace(/\*/g,"\\text{*}").replace(/-/g,"\\text{-}");g.Definitions.macros[j]=["Macro","\\mathop{\\rm "+k+"}"+h]},HandleOperatorName:function(i){var h=(this.GetStar()?"":"\\nolimits");var j=this.trimSpaces(this.GetArgument(i));j=j.replace(/\*/g,"\\text{*}").replace(/-/g,"\\text{-}");this.string="\\mathop{\\rm "+j+"}"+h+" "+this.string.slice(this.i);this.i=0},HandleShove:function(i,h){var j=this.stack.Top();if(j.type!=="multline"||j.data.length){g.Error(["CommandAtTheBeginingOfLine","%1 must come at the beginning of the line",i])}j.data.shove=h},CFrac:function(k){var h=this.trimSpaces(this.GetBrackets(k,"")),j=this.GetArgument(k),l=this.GetArgument(k);var i=b.mfrac(g.Parse("\\strut\\textstyle{"+j+"}",this.stack.env).mml(),g.Parse("\\strut\\textstyle{"+l+"}",this.stack.env).mml());h=({l:b.ALIGN.LEFT,r:b.ALIGN.RIGHT,"":""})[h];if(h==null){g.Error(["IllegalAlign","Illegal alignment specified in %1",k])}if(h){i.numalign=i.denomalign=h}this.Push(i)},Genfrac:function(i,k,p,m,h){if(k==null){k=this.GetDelimiterArg(i)}else{k=this.convertDelimiter(k)}if(p==null){p=this.GetDelimiterArg(i)}else{p=this.convertDelimiter(p)}if(m==null){m=this.GetArgument(i)}if(h==null){h=this.trimSpaces(this.GetArgument(i))}var l=this.ParseArg(i);var o=this.ParseArg(i);var j=b.mfrac(l,o);if(m!==""){j.linethickness=m}if(k||p){j=g.fenced(k,j,p)}if(h!==""){var n=(["D","T","S","SS"])[h];if(n==null){g.Error(["BadMathStyleFor","Bad math style for %1",i])}j=b.mstyle(j);if(n==="D"){j.displaystyle=true;j.scriptlevel=0}else{j.displaystyle=false;j.scriptlevel=h-1}}this.Push(j)},Multline:function(i,h){this.Push(i);this.checkEqnEnv();return e.multline(h,this.stack).With({arraydef:{displaystyle:true,rowspacing:".5em",width:g.config.MultLineWidth,columnwidth:"100%",side:g.config.TagSide,minlabelspacing:g.config.TagIndent}})},AMSarray:function(j,i,h,l,k){this.Push(j);if(h){this.checkEqnEnv()}l=l.replace(/[^clr]/g,"").split("").join(" ");l=l.replace(/l/g,"left").replace(/r/g,"right").replace(/c/g,"center");return e.AMSarray(j.name,i,h,this.stack).With({arraydef:{displaystyle:true,rowspacing:".5em",columnalign:l,columnspacing:(k||"1em"),rowspacing:"3pt",side:g.config.TagSide,minlabelspacing:g.config.TagIndent}})},AlignAt:function(k,i,h){var p,j,o="",m=[];if(!h){j=this.GetBrackets("\\begin{"+k.name+"}")}p=this.GetArgument("\\begin{"+k.name+"}");if(p.match(/[^0-9]/)){g.Error(["PositiveIntegerArg","Argument to %1 must me a positive integer","\\begin{"+k.name+"}"])}while(p>0){o+="rl";m.push("0em 0em");p--}m=m.join(" ");if(h){return this.AMSarray(k,i,h,o,m)}var l=this.Array.call(this,k,null,null,o,m,".5em","D");return this.setArrayAlign(l,j)},EquationBegin:function(h,i){this.checkEqnEnv();this.stack.global.forcetag=(i&&a.autoNumber!=="none");return h},EquationStar:function(h,i){this.stack.global.tagged=true;return i},checkEqnEnv:function(){if(this.stack.global.eqnenv){g.Error(["ErroneousNestingEq","Erroneous nesting of equation structures"])}this.stack.global.eqnenv=true},MultiIntegral:function(h,l){var k=this.GetNext();if(k==="\\"){var j=this.i;k=this.GetArgument(h);this.i=j;if(k==="\\limits"){if(h==="\\idotsint"){l="\\!\\!\\mathop{\\,\\,"+l+"}"}else{l="\\!\\!\\!\\mathop{\\,\\,\\,"+l+"}"}}}this.string=l+" "+this.string.slice(this.i);this.i=0},xArrow:function(j,n,m,h){var k={width:"+"+(m+h)+"mu",lspace:m+"mu"};var o=this.GetBrackets(j),p=this.ParseArg(j);var q=b.mo(b.chars(String.fromCharCode(n))).With({stretchy:true,texClass:b.TEXCLASS.REL});var i=b.munderover(q);i.SetData(i.over,b.mpadded(p).With(k).With({voffset:".15em"}));if(o){o=g.Parse(o,this.stack.env).mml();i.SetData(i.under,b.mpadded(o).With(k).With({voffset:"-.24em"}))}this.Push(i)},GetDelimiterArg:function(h){var i=this.trimSpaces(this.GetArgument(h));if(i==""){return null}if(d.delimiter[i]==null){g.Error(["MissingOrUnrecognizedDelim","Missing or unrecognized delimiter for %1",h])}return this.convertDelimiter(i)},GetStar:function(){var h=(this.GetNext()==="*");if(h){this.i++}return h}});e.Augment({autoTag:function(){var i=this.global;if(!i.notag){f.number++;i.tagID=a.formatNumber(f.number.toString());var h=g.Parse("\\text{"+a.formatTag(i.tagID)+"}",{}).mml();i.tag=b.mtd(h).With({id:a.formatID(i.tagID)})}},getTag:function(){var l=this.global,j=l.tag;l.tagged=true;if(l.label){if(a.useLabelIds){j.id=a.formatID(l.label)}f.eqlabels[l.label]={tag:l.tagID,id:j.id}}if(document.getElementById(j.id)||f.IDs[j.id]||f.eqIDs[j.id]){var k=0,h;do{k++;h=j.id+"_"+k}while(document.getElementById(h)||f.IDs[h]||f.eqIDs[h]);j.id=h;if(l.label){f.eqlabels[l.label].id=h}}f.eqIDs[j.id]=1;this.clearTag();return j},clearTag:function(){var h=this.global;delete h.tag;delete h.tagID;delete h.label},fixInitialMO:function(l){for(var k=0,h=l.length;k<h;k++){if(l[k]&&(l[k].type!=="mspace"&&(l[k].type!=="texatom"||(l[k].data[0]&&l[k].data[0].data.length)))){if(l[k].isEmbellished()){var j=l[k].CoreMO();j.form=b.FORM.INFIX;j.lspace=b.LENGTH.MEDIUMMATHSPACE}break}}}});e.multline=e.array.Subclass({type:"multline",Init:function(i,h){this.SUPER(arguments).Init.apply(this);this.numbered=(i&&a.autoNumber!=="none");this.save={notag:h.global.notag};h.global.tagged=!i&&!h.global.forcetag},EndEntry:function(){if(this.table.length){this.fixInitialMO(this.data)}var h=b.mtd.apply(b,this.data);if(this.data.shove){h.columnalign=this.data.shove}this.row.push(h);this.data=[]},EndRow:function(){if(this.row.length!=1){g.Error(["MultlineRowsOneCol","The rows within the %1 environment must have exactly one column","multline"])}this.table.push(this.row);this.row=[]},EndTable:function(){this.SUPER(arguments).EndTable.call(this);if(this.table.length){var j=this.table.length-1,l,k=-1;if(!this.table[0][0].columnalign){this.table[0][0].columnalign=b.ALIGN.LEFT}if(!this.table[j][0].columnalign){this.table[j][0].columnalign=b.ALIGN.RIGHT}if(!this.global.tag&&this.numbered){this.autoTag()}if(this.global.tag&&!this.global.notags){k=(this.arraydef.side==="left"?0:this.table.length-1);this.table[k]=[this.getTag()].concat(this.table[k])}for(l=0,j=this.table.length;l<j;l++){var h=(l===k?b.mlabeledtr:b.mtr);this.table[l]=h.apply(b,this.table[l])}}this.global.notag=this.save.notag}});e.AMSarray=e.array.Subclass({type:"AMSarray",Init:function(k,j,i,h){this.SUPER(arguments).Init.apply(this);this.numbered=(j&&a.autoNumber!=="none");this.save={notags:h.global.notags,notag:h.global.notag};h.global.notags=(i?null:k);h.global.tagged=!j&&!h.global.forcetag},EndEntry:function(){if(this.row.length){this.fixInitialMO(this.data)}this.row.push(b.mtd.apply(b,this.data));this.data=[]},EndRow:function(){var h=b.mtr;if(!this.global.tag&&this.numbered){this.autoTag()}if(this.global.tag&&!this.global.notags){this.row=[this.getTag()].concat(this.row);h=b.mlabeledtr}else{this.clearTag()}if(this.numbered){delete this.global.notag}this.table.push(h.apply(b,this.row));this.row=[]},EndTable:function(){this.SUPER(arguments).EndTable.call(this);this.global.notags=this.save.notags;this.global.notag=this.save.notag}});e.start.Augment({oldCheckItem:e.start.prototype.checkItem,checkItem:function(j){if(j.type==="stop"){var h=this.mmlData(),i=this.global;if(f.display&&!i.tag&&!i.tagged&&!i.isInner&&(a.autoNumber==="all"||i.forcetag)){this.autoTag()}if(i.tag){var l=[this.getTag(),b.mtd(h)];var k={side:g.config.TagSide,minlabelspacing:g.config.TagIndent,columnalign:h.displayAlign};if(h.displayAlign===b.INDENTALIGN.LEFT){k.width="100%";if(h.displayIndent&&!String(h.displayIndent).match(/^0+(\.0*)?($|[a-z%])/)){k.columnwidth=h.displayIndent+" fit";k.columnspacing="0";l=[l[0],b.mtd(),l[1]]}}else{if(h.displayAlign===b.INDENTALIGN.RIGHT){k.width="100%";if(h.displayIndent&&!String(h.displayIndent).match(/^0+(\.0*)?($|[a-z%])/)){k.columnwidth="fit "+h.displayIndent;k.columnspacing="0";l[2]=b.mtd()}}}h=b.mtable(b.mlabeledtr.apply(b,l)).With(k)}return e.mml(h)}return this.oldCheckItem.call(this,j)}});g.prefilterHooks.Add(function(h){f.display=h.display;f.number=f.startNumber;f.eqlabels=f.eqIDs={};f.badref=false;if(f.refUpdate){f.number=h.script.MathJax.startNumber}});g.postfilterHooks.Add(function(h){h.script.MathJax.startNumber=f.startNumber;f.startNumber=f.number;MathJax.Hub.Insert(f.IDs,f.eqIDs);MathJax.Hub.Insert(f.labels,f.eqlabels);if(f.badref&&!h.math.texError){f.refs.push(h.script)}});MathJax.Hub.Register.MessageHook("Begin Math Input",function(){f.refs=[];f.refUpdate=false});MathJax.Hub.Register.MessageHook("End Math Input",function(k){if(f.refs.length){f.refUpdate=true;for(var j=0,h=f.refs.length;j<h;j++){f.refs[j].MathJax.state=MathJax.ElementJax.STATE.UPDATE}return MathJax.Hub.processInput({scripts:f.refs,start:new Date().getTime(),i:0,j:0,jax:{},jaxIDs:[]})}return null});g.resetEquationNumbers=function(i,h){f.startNumber=(i||0);if(!h){f.labels=f.IDs={}}};MathJax.Hub.Startup.signal.Post("TeX AMSmath Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/AMSmath.js");
diff --git a/backend/epub/MathJax/extensions/TeX/AMSsymbols.js b/backend/epub/MathJax/extensions/TeX/AMSsymbols.js
deleted file mode 100644
index f1c4c1fc..00000000
--- a/backend/epub/MathJax/extensions/TeX/AMSsymbols.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/AMSsymbols.js
- *
- * Copyright (c) 2009-2014 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["TeX/AMSsymbols"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var a=MathJax.ElementJax.mml,b=MathJax.InputJax.TeX.Definitions;b.Add({mathchar0mi:{digamma:"03DD",varkappa:"03F0",varGamma:["0393",{mathvariant:a.VARIANT.ITALIC}],varDelta:["0394",{mathvariant:a.VARIANT.ITALIC}],varTheta:["0398",{mathvariant:a.VARIANT.ITALIC}],varLambda:["039B",{mathvariant:a.VARIANT.ITALIC}],varXi:["039E",{mathvariant:a.VARIANT.ITALIC}],varPi:["03A0",{mathvariant:a.VARIANT.ITALIC}],varSigma:["03A3",{mathvariant:a.VARIANT.ITALIC}],varUpsilon:["03A5",{mathvariant:a.VARIANT.ITALIC}],varPhi:["03A6",{mathvariant:a.VARIANT.ITALIC}],varPsi:["03A8",{mathvariant:a.VARIANT.ITALIC}],varOmega:["03A9",{mathvariant:a.VARIANT.ITALIC}],beth:"2136",gimel:"2137",daleth:"2138",backprime:["2035",{variantForm:true}],hslash:"210F",varnothing:["2205",{variantForm:true}],blacktriangle:"25B4",triangledown:["25BD",{variantForm:true}],blacktriangledown:"25BE",square:"25FB",Box:"25FB",blacksquare:"25FC",lozenge:"25CA",Diamond:"25CA",blacklozenge:"29EB",circledS:["24C8",{mathvariant:a.VARIANT.NORMAL}],bigstar:"2605",sphericalangle:"2222",measuredangle:"2221",nexists:"2204",complement:"2201",mho:"2127",eth:["00F0",{mathvariant:a.VARIANT.NORMAL}],Finv:"2132",diagup:"2571",Game:"2141",diagdown:"2572",Bbbk:["006B",{mathvariant:a.VARIANT.DOUBLESTRUCK}],yen:"00A5",circledR:"00AE",checkmark:"2713",maltese:"2720"},mathchar0mo:{dotplus:"2214",ltimes:"22C9",smallsetminus:"2216",rtimes:"22CA",Cap:"22D2",doublecap:"22D2",leftthreetimes:"22CB",Cup:"22D3",doublecup:"22D3",rightthreetimes:"22CC",barwedge:"22BC",curlywedge:"22CF",veebar:"22BB",curlyvee:"22CE",doublebarwedge:"2A5E",boxminus:"229F",circleddash:"229D",boxtimes:"22A0",circledast:"229B",boxdot:"22A1",circledcirc:"229A",boxplus:"229E",centerdot:"22C5",divideontimes:"22C7",intercal:"22BA",leqq:"2266",geqq:"2267",leqslant:"2A7D",geqslant:"2A7E",eqslantless:"2A95",eqslantgtr:"2A96",lesssim:"2272",gtrsim:"2273",lessapprox:"2A85",gtrapprox:"2A86",approxeq:"224A",lessdot:"22D6",gtrdot:"22D7",lll:"22D8",llless:"22D8",ggg:"22D9",gggtr:"22D9",lessgtr:"2276",gtrless:"2277",lesseqgtr:"22DA",gtreqless:"22DB",lesseqqgtr:"2A8B",gtreqqless:"2A8C",doteqdot:"2251",Doteq:"2251",eqcirc:"2256",risingdotseq:"2253",circeq:"2257",fallingdotseq:"2252",triangleq:"225C",backsim:"223D",thicksim:["223C",{variantForm:true}],backsimeq:"22CD",thickapprox:["2248",{variantForm:true}],subseteqq:"2AC5",supseteqq:"2AC6",Subset:"22D0",Supset:"22D1",sqsubset:"228F",sqsupset:"2290",preccurlyeq:"227C",succcurlyeq:"227D",curlyeqprec:"22DE",curlyeqsucc:"22DF",precsim:"227E",succsim:"227F",precapprox:"2AB7",succapprox:"2AB8",vartriangleleft:"22B2",lhd:"22B2",vartriangleright:"22B3",rhd:"22B3",trianglelefteq:"22B4",unlhd:"22B4",trianglerighteq:"22B5",unrhd:"22B5",vDash:"22A8",Vdash:"22A9",Vvdash:"22AA",smallsmile:["2323",{variantForm:true}],shortmid:["2223",{variantForm:true}],smallfrown:["2322",{variantForm:true}],shortparallel:["2225",{variantForm:true}],bumpeq:"224F",between:"226C",Bumpeq:"224E",pitchfork:"22D4",varpropto:"221D",backepsilon:"220D",blacktriangleleft:"25C2",blacktriangleright:"25B8",therefore:"2234",because:"2235",eqsim:"2242",vartriangle:["25B3",{variantForm:true}],Join:"22C8",nless:"226E",ngtr:"226F",nleq:"2270",ngeq:"2271",nleqslant:["2A87",{variantForm:true}],ngeqslant:["2A88",{variantForm:true}],nleqq:["2270",{variantForm:true}],ngeqq:["2271",{variantForm:true}],lneq:"2A87",gneq:"2A88",lneqq:"2268",gneqq:"2269",lvertneqq:["2268",{variantForm:true}],gvertneqq:["2269",{variantForm:true}],lnsim:"22E6",gnsim:"22E7",lnapprox:"2A89",gnapprox:"2A8A",nprec:"2280",nsucc:"2281",npreceq:["22E0",{variantForm:true}],nsucceq:["22E1",{variantForm:true}],precneqq:"2AB5",succneqq:"2AB6",precnsim:"22E8",succnsim:"22E9",precnapprox:"2AB9",succnapprox:"2ABA",nsim:"2241",ncong:"2246",nshortmid:["2224",{variantForm:true}],nshortparallel:["2226",{variantForm:true}],nmid:"2224",nparallel:"2226",nvdash:"22AC",nvDash:"22AD",nVdash:"22AE",nVDash:"22AF",ntriangleleft:"22EA",ntriangleright:"22EB",ntrianglelefteq:"22EC",ntrianglerighteq:"22ED",nsubseteq:"2288",nsupseteq:"2289",nsubseteqq:["2288",{variantForm:true}],nsupseteqq:["2289",{variantForm:true}],subsetneq:"228A",supsetneq:"228B",varsubsetneq:["228A",{variantForm:true}],varsupsetneq:["228B",{variantForm:true}],subsetneqq:"2ACB",supsetneqq:"2ACC",varsubsetneqq:["2ACB",{variantForm:true}],varsupsetneqq:["2ACC",{variantForm:true}],leftleftarrows:"21C7",rightrightarrows:"21C9",leftrightarrows:"21C6",rightleftarrows:"21C4",Lleftarrow:"21DA",Rrightarrow:"21DB",twoheadleftarrow:"219E",twoheadrightarrow:"21A0",leftarrowtail:"21A2",rightarrowtail:"21A3",looparrowleft:"21AB",looparrowright:"21AC",leftrightharpoons:"21CB",rightleftharpoons:["21CC",{variantForm:true}],curvearrowleft:"21B6",curvearrowright:"21B7",circlearrowleft:"21BA",circlearrowright:"21BB",Lsh:"21B0",Rsh:"21B1",upuparrows:"21C8",downdownarrows:"21CA",upharpoonleft:"21BF",upharpoonright:"21BE",downharpoonleft:"21C3",restriction:"21BE",multimap:"22B8",downharpoonright:"21C2",leftrightsquigarrow:"21AD",rightsquigarrow:"21DD",leadsto:"21DD",dashrightarrow:"21E2",dashleftarrow:"21E0",nleftarrow:"219A",nrightarrow:"219B",nLeftarrow:"21CD",nRightarrow:"21CF",nleftrightarrow:"21AE",nLeftrightarrow:"21CE"},delimiter:{"\\ulcorner":"231C","\\urcorner":"231D","\\llcorner":"231E","\\lrcorner":"231F"},macros:{implies:["Macro","\\;\\Longrightarrow\\;"],impliedby:["Macro","\\;\\Longleftarrow\\;"]}},null,true);var c=a.mo.OPTYPES.REL;MathJax.Hub.Insert(a.mo.prototype,{OPTABLE:{infix:{"\u2322":c,"\u2323":c,"\u25B3":c,"\uE006":c,"\uE007":c,"\uE00C":c,"\uE00D":c,"\uE00E":c,"\uE00F":c,"\uE010":c,"\uE011":c,"\uE016":c,"\uE017":c,"\uE018":c,"\uE019":c,"\uE01A":c,"\uE01B":c,"\uE04B":c,"\uE04F":c}}});MathJax.Hub.Startup.signal.Post("TeX AMSsymbols Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/AMSsymbols.js");
diff --git a/backend/epub/MathJax/extensions/TeX/HTML.js b/backend/epub/MathJax/extensions/TeX/HTML.js
deleted file mode 100644
index a86edf02..00000000
--- a/backend/epub/MathJax/extensions/TeX/HTML.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/HTML.js
- *
- * Copyright (c) 2009-2014 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["TeX/HTML"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.InputJax.TeX;var a=b.Definitions;a.Add({macros:{href:"HREF_attribute","class":"CLASS_attribute",style:"STYLE_attribute",cssId:"ID_attribute"}},null,true);b.Parse.Augment({HREF_attribute:function(e){var d=this.GetArgument(e),c=this.GetArgumentMML(e);this.Push(c.With({href:d}))},CLASS_attribute:function(d){var e=this.GetArgument(d),c=this.GetArgumentMML(d);if(c["class"]!=null){e=c["class"]+" "+e}this.Push(c.With({"class":e}))},STYLE_attribute:function(d){var e=this.GetArgument(d),c=this.GetArgumentMML(d);if(c.style!=null){if(e.charAt(e.length-1)!==";"){e+=";"}e=c.style+" "+e}this.Push(c.With({style:e}))},ID_attribute:function(e){var d=this.GetArgument(e),c=this.GetArgumentMML(e);this.Push(c.With({id:d}))},GetArgumentMML:function(d){var c=this.ParseArg(d);if(c.inferred&&c.data.length==1){c=c.data[0]}else{delete c.inferred}return c}});MathJax.Hub.Startup.signal.Post("TeX HTML Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/HTML.js");
diff --git a/backend/epub/MathJax/extensions/TeX/Makefile.am b/backend/epub/MathJax/extensions/TeX/Makefile.am
deleted file mode 100644
index 7585386a..00000000
--- a/backend/epub/MathJax/extensions/TeX/Makefile.am
+++ /dev/null
@@ -1,7 +0,0 @@
-MathJaxTexExtensionsdir= $(backenddir)/epub/MathJax/extensions/TeX
-
-MathJaxTexExtensions_DATA= AMScd.js AMSmath.js AMSsymbols.js HTML.js action.js autobold.js autoload-all.js bbox.js begingroup.js boldsymbol.js cancel.js color.js enclose.js extpfeil.js mathchoice.js mhchem.js newcommand.js noErrors.js noUndefined.js unicode.js verb.js
-
-EXTRA_DIST = $(MathJaxTexExtensions_DATA)
-
--include $(top_srcdir)/git.mk
diff --git a/backend/epub/MathJax/extensions/TeX/action.js b/backend/epub/MathJax/extensions/TeX/action.js
deleted file mode 100644
index f00c0cbe..00000000
--- a/backend/epub/MathJax/extensions/TeX/action.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/action.js
- *
- * Copyright (c) 2009-2014 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["TeX/action"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.InputJax.TeX,a=MathJax.ElementJax.mml;b.Definitions.Add({macros:{toggle:"Toggle",mathtip:"Mathtip",texttip:["Macro","\\mathtip{#1}{\\text{#2}}",2]}},null,true);b.Parse.Augment({Toggle:function(d){var e=[],c;while((c=this.GetArgument(d))!=="\\endtoggle"){e.push(b.Parse(c,this.stack.env).mml())}this.Push(a.maction.apply(a,e).With({actiontype:a.ACTIONTYPE.TOGGLE}))},Mathtip:function(d){var c=this.ParseArg(d),e=this.ParseArg(d);this.Push(a.maction(c,e).With({actiontype:a.ACTIONTYPE.TOOLTIP}))}});MathJax.Hub.Startup.signal.Post("TeX action Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/action.js");
diff --git a/backend/epub/MathJax/extensions/TeX/autobold.js b/backend/epub/MathJax/extensions/TeX/autobold.js
deleted file mode 100644
index 6e9031fc..00000000
--- a/backend/epub/MathJax/extensions/TeX/autobold.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/autobold.js
- *
- * Copyright (c) 2009-2014 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["TeX/autobold"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var a=MathJax.InputJax.TeX;a.prefilterHooks.Add(function(d){var c=d.script.parentNode.insertBefore(document.createElement("span"),d.script);c.visibility="hidden";c.style.fontFamily="Times, serif";c.appendChild(document.createTextNode("ABCXYZabcxyz"));var b=c.offsetWidth;c.style.fontWeight="bold";if(b&&c.offsetWidth===b){d.math="\\boldsymbol{"+d.math+"}"}c.parentNode.removeChild(c)});MathJax.Hub.Startup.signal.Post("TeX autobold Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/autobold.js");
diff --git a/backend/epub/MathJax/extensions/TeX/autoload-all.js b/backend/epub/MathJax/extensions/TeX/autoload-all.js
deleted file mode 100644
index db1b7db6..00000000
--- a/backend/epub/MathJax/extensions/TeX/autoload-all.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/autoload-all.js
- *
- * Copyright (c) 2009-2014 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["TeX/autoload-all"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var h={action:["mathtip","texttip","toggle"],AMSmath:["mathring","nobreakspace","negmedspace","negthickspace","intI","iiiint","idotsint","dddot","ddddot","sideset","boxed","substack","injlim","projlim","varliminf","varlimsup","varinjlim","varprojlim","DeclareMathOperator","operatorname","genfrac","tfrac","dfrac","binom","tbinom","dbinom","cfrac","shoveleft","shoveright","xrightarrow","xleftarrow"],begingroup:["begingroup","endgroup","gdef","global"],cancel:["cancel","bcancel","xcancel","cancelto"],color:["color","textcolor","colorbox","fcolorbox","DefineColor"],enclose:["enclose"],extpfeil:["Newextarrow","xlongequal","xmapsto","xtofrom","xtwoheadleftarrow","xtwoheadrightarrow"],mhchem:["ce","cee","cf"]};var c={AMSmath:["subarray","smallmatrix","equation","equation*"],AMScd:["CD"]};var d,g,b,a={macros:{},environment:{}};for(d in h){if(h.hasOwnProperty(d)){if(!MathJax.Extension["TeX/"+d]){var f=h[d];for(g=0,b=f.length;g<b;g++){a.macros[f[g]]=["Extension",d]}}}}for(d in c){if(c.hasOwnProperty(d)){if(!MathJax.Extension["TeX/"+d]){var e=c[d];for(g=0,b=e.length;g<b;g++){a.environment[e[g]]=["ExtensionEnv",null,d]}}}}MathJax.InputJax.TeX.Definitions.Add(a);MathJax.Hub.Startup.signal.Post("TeX autoload-all Ready")});MathJax.Callback.Queue(["Require",MathJax.Ajax,"[MathJax]/extensions/TeX/AMSsymbols.js"],["loadComplete",MathJax.Ajax,"[MathJax]/extensions/TeX/autoload-all.js"]);
diff --git a/backend/epub/MathJax/extensions/TeX/bbox.js b/backend/epub/MathJax/extensions/TeX/bbox.js
deleted file mode 100644
index f93e51d0..00000000
--- a/backend/epub/MathJax/extensions/TeX/bbox.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/bbox.js
- *
- * Copyright (c) 2009-2014 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["TeX/bbox"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.InputJax.TeX,a=MathJax.ElementJax.mml;b.Definitions.Add({macros:{bbox:"BBox"}},null,true);b.Parse.Augment({BBox:function(e){var p=this.GetBrackets(e,""),o=this.ParseArg(e);var k=p.split(/,/),g,d,c;for(var l=0,j=k.length;l<j;l++){var f=k[l].replace(/^\s+/,"").replace(/\s+$/,"");var n=f.match(/^(\.\d+|\d+(\.\d*)?)(pt|em|ex|mu|px|in|cm|mm)$/);if(n){if(g){b.Error(["MultipleBBoxProperty","%1 specified twice in %2","Padding",e])}var h=n[1]+n[3];g={height:"+"+h,depth:"+"+h,lspace:h,width:"+"+(2*n[1])+n[3]}}else{if(f.match(/^([a-z0-9]+|\#[0-9a-f]{6}|\#[0-9a-f]{3})$/i)){if(d){b.Error(["MultipleBBoxProperty","%1 specified twice in %2","Background",e])}d=f}else{if(f.match(/^[-a-z]+:/i)){if(c){b.Error(["MultipleBBoxProperty","%1 specified twice in %2","Style",e])}c=this.BBoxStyle(f)}else{if(f!==""){b.Error(["InvalidBBoxProperty","'%1' doesn't look like a color, a padding dimension, or a style",f])}}}}}if(g){o=a.mpadded(o).With(g)}if(d||c){o=a.mstyle(o).With({mathbackground:d,style:c})}this.Push(o)},BBoxStyle:function(c){return c}});MathJax.Hub.Startup.signal.Post("TeX bbox Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/bbox.js");
diff --git a/backend/epub/MathJax/extensions/TeX/begingroup.js b/backend/epub/MathJax/extensions/TeX/begingroup.js
deleted file mode 100644
index e07b16dc..00000000
--- a/backend/epub/MathJax/extensions/TeX/begingroup.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/begingroup.js
- *
- * Copyright (c) 2009-2014 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["TeX/begingroup"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var d=MathJax.InputJax.TeX,b=d.Definitions;var a=MathJax.Object.Subclass({macros:null,environments:null,Init:function(e,f){this.macros=(e||{});this.environments=(f||{})},Find:function(e,f){if(this[f][e]){return this[f][e]}},Def:function(e,g,f){this[f][e]=g},Undef:function(e,f){delete this[f][e]},Merge:function(e){MathJax.Hub.Insert(this.macros,e.macros);MathJax.Hub.Insert(this.environments,e.environments)},MergeGlobals:function(e){var f=this.macros;for(var g in f){if(f.hasOwnProperty(g)&&f[g].global){e.Def(g,f[g],"macros",true);delete f[g].global;delete f[g]}}},Clear:function(g){this.environments={};if(g){this.macros={}}else{var e=this.macros;for(var f in e){if(e.hasOwnProperty(f)&&!e[f].global){delete e[f]}}}return this}});var c=d.nsStack=MathJax.Object.Subclass({stack:null,top:0,isEqn:false,Init:function(e){this.isEqn=e;this.stack=[];if(!e){this.Push(a(b.macros,b.environment))}else{this.Push(a())}},Def:function(e,h,f,g){var i=this.top-1;if(g){while(i>0){this.stack[i].Undef(e,f);i--}if(!(h instanceof Array)){h=[h]}if(this.isEqn){h.global=true}}this.stack[i].Def(e,h,f)},Push:function(e){this.stack.push(e);this.top=this.stack.length},Pop:function(){var e;if(this.top>1){e=this.stack[--this.top];if(this.isEqn){this.stack.pop()}}else{if(this.isEqn){this.Clear()}}return e},Find:function(e,g){for(var f=this.top-1;f>=0;f--){var h=this.stack[f].Find(e,g);if(h){return h}}return null},Merge:function(e){e.stack[0].MergeGlobals(this);this.stack[this.top-1].Merge(e.stack[0]);var f=[this.top,this.stack.length-this.top].concat(e.stack.slice(1));this.stack.splice.apply(this.stack,f);this.top=this.stack.length},Reset:function(){this.top=this.stack.length},Clear:function(e){this.stack=[this.stack[0].Clear()];this.top=this.stack.length}},{nsFrame:a});b.Add({macros:{begingroup:"BeginGroup",endgroup:"EndGroup",global:["Extension","newcommand"],gdef:["Extension","newcommand"]}},null,true);d.Parse.Augment({BeginGroup:function(e){d.eqnStack.Push(a())},EndGroup:function(e){if(d.eqnStack.top>1){d.eqnStack.Pop()}else{if(d.rootStack.top===1){d.Error(["ExtraEndMissingBegin","Extra %1 or missing \\begingroup",e])}else{d.eqnStack.Clear();d.rootStack.Pop()}}},csFindMacro:function(e){return(d.eqnStack.Find(e,"macros")||d.rootStack.Find(e,"macros"))},envFindName:function(e){return(d.eqnStack.Find(e,"environments")||d.rootStack.Find(e,"environments"))}});d.rootStack=c();d.eqnStack=c(true);d.prefilterHooks.Add(function(){d.rootStack.Reset();d.eqnStack.Clear(true)});d.postfilterHooks.Add(function(){d.rootStack.Merge(d.eqnStack)});MathJax.Hub.Register.StartupHook("TeX newcommand Ready",function(){b.Add({macros:{global:"Global",gdef:["Macro","\\global\\def"]}},null,true);d.Parse.Augment({setDef:function(e,f){f.isUser=true;d.eqnStack.Def(e,f,"macros",this.stack.env.isGlobal);delete this.stack.env.isGlobal},setEnv:function(e,f){f.isUser=true;d.eqnStack.Def(e,f,"environments")},Global:function(e){var f=this.i;var g=this.GetCSname(e);this.i=f;if(g!=="let"&&g!=="def"&&g!=="newcommand"){d.Error(["GlobalNotFollowedBy","%1 not followed by \\let, \\def, or \\newcommand",e])}this.stack.env.isGlobal=true}})});MathJax.Hub.Startup.signal.Post("TeX begingroup Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/begingroup.js");
diff --git a/backend/epub/MathJax/extensions/TeX/boldsymbol.js b/backend/epub/MathJax/extensions/TeX/boldsymbol.js
deleted file mode 100644
index 6fcb55f3..00000000
--- a/backend/epub/MathJax/extensions/TeX/boldsymbol.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/boldsymbol.js
- *
- * Copyright (c) 2009-2014 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["TeX/boldsymbol"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var a=MathJax.ElementJax.mml;var d=MathJax.InputJax.TeX;var b=d.Definitions;var c={};c[a.VARIANT.NORMAL]=a.VARIANT.BOLD;c[a.VARIANT.ITALIC]=a.VARIANT.BOLDITALIC;c[a.VARIANT.FRAKTUR]=a.VARIANT.BOLDFRAKTUR;c[a.VARIANT.SCRIPT]=a.VARIANT.BOLDSCRIPT;c[a.VARIANT.SANSSERIF]=a.VARIANT.BOLDSANSSERIF;c["-tex-caligraphic"]="-tex-caligraphic-bold";c["-tex-oldstyle"]="-tex-oldstyle-bold";b.Add({macros:{boldsymbol:"Boldsymbol"}},null,true);d.Parse.Augment({mmlToken:function(f){if(this.stack.env.boldsymbol){var e=f.Get("mathvariant");if(e==null){f.mathvariant=a.VARIANT.BOLD}else{f.mathvariant=(c[e]||e)}}return f},Boldsymbol:function(h){var e=this.stack.env.boldsymbol,f=this.stack.env.font;this.stack.env.boldsymbol=true;this.stack.env.font=null;var g=this.ParseArg(h);this.stack.env.font=f;this.stack.env.boldsymbol=e;this.Push(g)}});MathJax.Hub.Startup.signal.Post("TeX boldsymbol Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/boldsymbol.js");
diff --git a/backend/epub/MathJax/extensions/TeX/cancel.js b/backend/epub/MathJax/extensions/TeX/cancel.js
deleted file mode 100644
index 9dc87a75..00000000
--- a/backend/epub/MathJax/extensions/TeX/cancel.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/cancel.js
- *
- * Copyright (c) 2009-2014 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["TeX/cancel"]={version:"2.4.0",ALLOWED:{color:1,mathcolor:1,background:1,mathbackground:1,padding:1,thickness:1}};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var c=MathJax.InputJax.TeX,a=MathJax.ElementJax.mml,b=MathJax.Extension["TeX/cancel"];b.setAttributes=function(h,e){if(e!==""){e=e.replace(/ /g,"").split(/,/);for(var g=0,d=e.length;g<d;g++){var f=e[g].split(/[:=]/);if(b.ALLOWED[f[0]]){if(f[1]==="true"){f[1]=true}if(f[1]==="false"){f[1]=false}h[f[0]]=f[1]}}}return h};c.Definitions.Add({macros:{cancel:["Cancel",a.NOTATION.UPDIAGONALSTRIKE],bcancel:["Cancel",a.NOTATION.DOWNDIAGONALSTRIKE],xcancel:["Cancel",a.NOTATION.UPDIAGONALSTRIKE+" "+a.NOTATION.DOWNDIAGONALSTRIKE],cancelto:"CancelTo"}},null,true);c.Parse.Augment({Cancel:function(e,g){var d=this.GetBrackets(e,""),f=this.ParseArg(e);var h=b.setAttributes({notation:g},d);this.Push(a.menclose(f).With(h))},CancelTo:function(e,g){var i=this.ParseArg(e),d=this.GetBrackets(e,""),f=this.ParseArg(e);var h=b.setAttributes({notation:a.NOTATION.UPDIAGONALSTRIKE+" "+a.NOTATION.UPDIAGONALARROW},d);i=a.mpadded(i).With({depth:"-.1em",height:"+.1em",voffset:".1em"});this.Push(a.msup(a.menclose(f).With(h),i))}});MathJax.Hub.Startup.signal.Post("TeX cancel Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/cancel.js");
diff --git a/backend/epub/MathJax/extensions/TeX/color.js b/backend/epub/MathJax/extensions/TeX/color.js
deleted file mode 100644
index 01844958..00000000
--- a/backend/epub/MathJax/extensions/TeX/color.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/color.js
- *
- * Copyright (c) 2009-2014 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["TeX/color"]={version:"2.4.0",config:MathJax.Hub.CombineConfig("TeX.color",{padding:"5px",border:"2px"}),colors:{Apricot:"#FBB982",Aquamarine:"#00B5BE",Bittersweet:"#C04F17",Black:"#221E1F",Blue:"#2D2F92",BlueGreen:"#00B3B8",BlueViolet:"#473992",BrickRed:"#B6321C",Brown:"#792500",BurntOrange:"#F7921D",CadetBlue:"#74729A",CarnationPink:"#F282B4",Cerulean:"#00A2E3",CornflowerBlue:"#41B0E4",Cyan:"#00AEEF",Dandelion:"#FDBC42",DarkOrchid:"#A4538A",Emerald:"#00A99D",ForestGreen:"#009B55",Fuchsia:"#8C368C",Goldenrod:"#FFDF42",Gray:"#949698",Green:"#00A64F",GreenYellow:"#DFE674",JungleGreen:"#00A99A",Lavender:"#F49EC4",LimeGreen:"#8DC73E",Magenta:"#EC008C",Mahogany:"#A9341F",Maroon:"#AF3235",Melon:"#F89E7B",MidnightBlue:"#006795",Mulberry:"#A93C93",NavyBlue:"#006EB8",OliveGreen:"#3C8031",Orange:"#F58137",OrangeRed:"#ED135A",Orchid:"#AF72B0",Peach:"#F7965A",Periwinkle:"#7977B8",PineGreen:"#008B72",Plum:"#92268F",ProcessBlue:"#00B0F0",Purple:"#99479B",RawSienna:"#974006",Red:"#ED1B23",RedOrange:"#F26035",RedViolet:"#A1246B",Rhodamine:"#EF559F",RoyalBlue:"#0071BC",RoyalPurple:"#613F99",RubineRed:"#ED017D",Salmon:"#F69289",SeaGreen:"#3FBC9D",Sepia:"#671800",SkyBlue:"#46C5DD",SpringGreen:"#C6DC67",Tan:"#DA9D76",TealBlue:"#00AEB3",Thistle:"#D883B7",Turquoise:"#00B4CE",Violet:"#58429B",VioletRed:"#EF58A0",White:"#FFFFFF",WildStrawberry:"#EE2967",Yellow:"#FFF200",YellowGreen:"#98CC70",YellowOrange:"#FAA21A"},getColor:function(a,c){if(!a){a="named"}var b=this["get_"+a];if(!b){this.TEX.Error(["UndefinedColorModel","Color model '%1' not defined",a])}return b.call(this,c)},get_rgb:function(b){b=b.replace(/^\s+/,"").replace(/\s+$/,"").split(/\s*,\s*/);var a="#";if(b.length!==3){this.TEX.Error(["ModelArg1","Color values for the %1 model require 3 numbers","rgb"])}for(var c=0;c<3;c++){if(!b[c].match(/^(\d+(\.\d*)?|\.\d+)$/)){this.TEX.Error(["InvalidDecimalNumber","Invalid decimal number"])}var d=parseFloat(b[c]);if(d<0||d>1){this.TEX.Error(["ModelArg2","Color values for the %1 model must be between %2 and %3","rgb",0,1])}d=Math.floor(d*255).toString(16);if(d.length<2){d="0"+d}a+=d}return a},get_RGB:function(b){b=b.replace(/^\s+/,"").replace(/\s+$/,"").split(/\s*,\s*/);var a="#";if(b.length!==3){this.TEX.Error(["ModelArg1","Color values for the %1 model require 3 numbers","RGB"])}for(var c=0;c<3;c++){if(!b[c].match(/^\d+$/)){this.TEX.Error(["InvalidNumber","Invalid number"])}var d=parseInt(b[c]);if(d>255){this.TEX.Error(["ModelArg2","Color values for the %1 model must be between %2 and %3","RGB",0,255])}d=d.toString(16);if(d.length<2){d="0"+d}a+=d}return a},get_gray:function(a){if(!a.match(/^\s*(\d+(\.\d*)?|\.\d+)\s*$/)){this.TEX.Error(["InvalidDecimalNumber","Invalid decimal number"])}var b=parseFloat(a);if(b<0||b>1){this.TEX.Error(["ModelArg2","Color values for the %1 model must be between %2 and %3","gray",0,1])}b=Math.floor(b*255).toString(16);if(b.length<2){b="0"+b}return"#"+b+b+b},get_named:function(a){if(this.colors[a]){return this.colors[a]}return a},padding:function(){var c="+"+this.config.padding;var a=this.config.padding.replace(/^.*?([a-z]*)$/,"$1");var b="+"+(2*parseFloat(c))+a;return{width:b,height:c,depth:c,lspace:this.config.padding}}};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var d=MathJax.InputJax.TeX,a=MathJax.ElementJax.mml;var c=d.Stack.Item;var b=MathJax.Extension["TeX/color"];b.TEX=d;d.Definitions.Add({macros:{color:"Color",textcolor:"TextColor",definecolor:"DefineColor",colorbox:"ColorBox",fcolorbox:"fColorBox"}},null,true);d.Parse.Augment({Color:function(h){var g=this.GetBrackets(h),e=this.GetArgument(h);e=b.getColor(g,e);var f=c.style().With({styles:{mathcolor:e}});this.stack.env.color=e;this.Push(f)},TextColor:function(h){var g=this.GetBrackets(h),f=this.GetArgument(h);f=b.getColor(g,f);var e=this.stack.env.color;this.stack.env.color=f;var i=this.ParseArg(h);if(e){this.stack.env.color}else{delete this.stack.env.color}this.Push(a.mstyle(i).With({mathcolor:f}))},DefineColor:function(g){var f=this.GetArgument(g),e=this.GetArgument(g),h=this.GetArgument(g);b.colors[f]=b.getColor(e,h)},ColorBox:function(g){var f=this.GetArgument(g),e=this.InternalMath(this.GetArgument(g));this.Push(a.mpadded.apply(a,e).With({mathbackground:b.getColor("named",f)}).With(b.padding()))},fColorBox:function(g){var h=this.GetArgument(g),f=this.GetArgument(g),e=this.InternalMath(this.GetArgument(g));this.Push(a.mpadded.apply(a,e).With({mathbackground:b.getColor("named",f),style:"border: "+b.config.border+" solid "+b.getColor("named",h)}).With(b.padding()))}});MathJax.Hub.Startup.signal.Post("TeX color Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/color.js");
diff --git a/backend/epub/MathJax/extensions/TeX/enclose.js b/backend/epub/MathJax/extensions/TeX/enclose.js
deleted file mode 100644
index 43fcf65c..00000000
--- a/backend/epub/MathJax/extensions/TeX/enclose.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/enclose.js
- *
- * Copyright (c) 2009-2014 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["TeX/enclose"]={version:"2.4.0",ALLOWED:{arrow:1,color:1,mathcolor:1,background:1,mathbackground:1,padding:1,thickness:1}};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var c=MathJax.InputJax.TeX,a=MathJax.ElementJax.mml,b=MathJax.Extension["TeX/enclose"].ALLOWED;c.Definitions.Add({macros:{enclose:"Enclose"}},null,true);c.Parse.Augment({Enclose:function(g){var k=this.GetArgument(g),e=this.GetBrackets(g),j=this.ParseArg(g);var l={notation:k.replace(/,/g," ")};if(e){e=e.replace(/ /g,"").split(/,/);for(var h=0,d=e.length;h<d;h++){var f=e[h].split(/[:=]/);if(b[f[0]]){f[1]=f[1].replace(/^"(.*)"$/,"$1");if(f[1]==="true"){f[1]=true}if(f[1]==="false"){f[1]=false}if(f[0]==="arrow"&&f[1]){l.notation=l.notation+" updiagonalarrow"}else{l[f[0]]=f[1]}}}}this.Push(a.menclose(j).With(l))}});MathJax.Hub.Startup.signal.Post("TeX enclose Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/enclose.js");
diff --git a/backend/epub/MathJax/extensions/TeX/extpfeil.js b/backend/epub/MathJax/extensions/TeX/extpfeil.js
deleted file mode 100644
index 65a11e1f..00000000
--- a/backend/epub/MathJax/extensions/TeX/extpfeil.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/extpfeil.js
- *
- * Copyright (c) 2009-2014 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["TeX/extpfeil"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.InputJax.TeX,a=b.Definitions;a.Add({macros:{xtwoheadrightarrow:["Extension","AMSmath"],xtwoheadleftarrow:["Extension","AMSmath"],xmapsto:["Extension","AMSmath"],xlongequal:["Extension","AMSmath"],xtofrom:["Extension","AMSmath"],Newextarrow:["Extension","AMSmath"]}},null,true);MathJax.Hub.Register.StartupHook("TeX AMSmath Ready",function(){MathJax.Hub.Insert(a,{macros:{xtwoheadrightarrow:["xArrow",8608,12,16],xtwoheadleftarrow:["xArrow",8606,17,13],xmapsto:["xArrow",8614,6,7],xlongequal:["xArrow",61,7,7],xtofrom:["xArrow",8644,12,12],Newextarrow:"NewExtArrow"}})});b.Parse.Augment({NewExtArrow:function(c){var e=this.GetArgument(c),f=this.GetArgument(c),d=this.GetArgument(c);if(!e.match(/^\\([a-z]+|.)$/i)){b.Error(["NewextarrowArg1","First argument to %1 must be a control sequence name",c])}if(!f.match(/^(\d+),(\d+)$/)){b.Error(["NewextarrowArg2","Second argument to %1 must be two integers separated by a comma",c])}if(!d.match(/^(\d+|0x[0-9A-F]+)$/i)){b.Error(["NewextarrowArg3","Third argument to %1 must be a unicode character number",c])}e=e.substr(1);f=f.split(",");d=parseInt(d);a.macros[e]=["xArrow",d,parseInt(f[0]),parseInt(f[1])]}});MathJax.Hub.Startup.signal.Post("TeX extpfeil Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/extpfeil.js");
diff --git a/backend/epub/MathJax/extensions/TeX/mathchoice.js b/backend/epub/MathJax/extensions/TeX/mathchoice.js
deleted file mode 100644
index cc3b2f0e..00000000
--- a/backend/epub/MathJax/extensions/TeX/mathchoice.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/mathchoice.js
- *
- * Copyright (c) 2009-2014 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.Hub.Register.StartupHook("TeX Jax Ready",function(){var c="2.4.0";var a=MathJax.ElementJax.mml;var d=MathJax.InputJax.TeX;var b=d.Definitions;b.Add({macros:{mathchoice:"MathChoice"}},null,true);d.Parse.Augment({MathChoice:function(f){var i=this.ParseArg(f),e=this.ParseArg(f),g=this.ParseArg(f),h=this.ParseArg(f);this.Push(a.TeXmathchoice(i,e,g,h))}});a.TeXmathchoice=a.mbase.Subclass({type:"TeXmathchoice",notParent:true,choice:function(){if(this.selection==null){this.selection=0;var e=this.getValues("displaystyle","scriptlevel");if(e.scriptlevel>0){this.selection=Math.min(3,e.scriptlevel+1)}else{this.selection=(e.displaystyle?0:1)}}return this.selection},selected:function(){return this.data[this.choice()]},setTeXclass:function(e){return this.selected().setTeXclass(e)},isSpacelike:function(){return this.selected().isSpacelike()},isEmbellished:function(){return this.selected().isEmbellished()},Core:function(){return this.selected()},CoreMO:function(){return this.selected().CoreMO()},toHTML:function(e){e=this.HTMLcreateSpan(e);e.bbox=this.Core().toHTML(e).bbox;if(e.firstChild&&e.firstChild.style.marginLeft){e.style.marginLeft=e.firstChild.style.marginLeft;e.firstChild.style.marginLeft=""}return e},toSVG:function(){var e=this.Core().toSVG();this.SVGsaveData(e);return e}});MathJax.Hub.Startup.signal.Post("TeX mathchoice Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/mathchoice.js");
diff --git a/backend/epub/MathJax/extensions/TeX/mhchem.js b/backend/epub/MathJax/extensions/TeX/mhchem.js
deleted file mode 100644
index b9f7b72b..00000000
--- a/backend/epub/MathJax/extensions/TeX/mhchem.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/mhchem.js
- *
- * Copyright (c) 2009-2014 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["TeX/mhchem"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.InputJax.TeX;var a=MathJax.Object.Subclass({string:"",i:0,tex:"",atom:false,sup:"",sub:"",Init:function(c){this.string=c},ParseTable:{"-":"Minus","+":"Plus","(":"Open",")":"Close","[":"Open","]":"Close","<":"Less","^":"Superscript",_:"Subscript","*":"Dot",".":"Dot","=":"Equal","#":"Pound","$":"Math","\\":"Macro"," ":"Space"},Arrows:{"->":"rightarrow","<-":"leftarrow","<->":"leftrightarrow","<=>":"rightleftharpoons","<=>>":"Rightleftharpoons","<<=>":"Leftrightharpoons","^":"uparrow",v:"downarrow"},Bonds:{"-":"-","=":"=","#":"\\equiv","~":"\\tripledash","~-":"\\begin{CEstack}{}\\tripledash\\\\-\\end{CEstack}","~=":"\\raise2mu{\\begin{CEstack}{}\\tripledash\\\\-\\\\-\\end{CEstack}}","~--":"\\raise2mu{\\begin{CEstack}{}\\tripledash\\\\-\\\\-\\end{CEstack}}","-~-":"\\raise2mu{\\begin{CEstack}{}-\\\\\\tripledash\\\\-\\end{CEstack}}","...":"{\\cdot}{\\cdot}{\\cdot}","....":"{\\cdot}{\\cdot}{\\cdot}{\\cdot}","->":"\\rightarrow","<-":"\\leftarrow","??":"\\text{??}"},Parse:function(){this.tex="";this.atom=false;while(this.i<this.string.length){var d=this.string.charAt(this.i);if(d.match(/[a-z]/i)){this.ParseLetter()}else{if(d.match(/[0-9]/)){this.ParseNumber()}else{this["Parse"+(this.ParseTable[d]||"Other")](d)}}}this.FinishAtom();return this.tex},ParseLetter:function(){this.FinishAtom();if(this.Match(/^v( |$)/)){this.tex+="{\\"+this.Arrows.v+"}"}else{this.tex+="\\text{"+this.Match(/^[a-z]+/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(/^\([v^]\)/);if(d){this.tex+="{\\"+this.Arrows[d.charAt(1)]+"}"}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(/^([a-z]+|.)/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[e]||"\\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(/^[CT]\[/);if(g){this.i--;g=g.charAt(0)}var d=this.GetBracket(g),f=this.GetBracket(g);e=this.Arrows[e];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){if(this.sup&&this.sub&&!this.atom){var c=this.sup,d=this.sub;if(!c.match(/\d/)){c+="\\vphantom{0}"}if(!d.match(/\d/)){d+="\\vphantom{0}"}this.tex+="\\raise 1pt{\\scriptstyle\\begin{CEscriptstack}"+c+"\\\\"+d+"\\end{CEscriptstack}}\\kern-.125em "}else{if(!this.sup){this.sup="\\Space{0pt}{0pt}{.2em}"}this.tex+="^{"+this.sup+"}_{"+this.sub+"}"}this.sup=this.sub=""}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=c[0];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["TeX/mhchem"].CE=a;b.Definitions.Add({macros:{ce:"CE",cf:"CE",cee:"CE",xleftrightarrow:["Extension","AMSmath"],xrightleftharpoons:["Extension","AMSmath"],xRightleftharpoons:["Extension","AMSmath"],xLeftrightharpoons:["Extension","AMSmath"],longrightleftharpoons:["Macro","\\stackrel{\\textstyle{{-}\\!\\!{\\rightharpoonup}}}{\\smash{{\\leftharpoondown}\\!\\!{-}}}"],longRightleftharpoons:["Macro","\\stackrel{\\textstyle{-}\\!\\!{\\rightharpoonup}}{\\small\\smash\\leftharpoondown}"],longLeftrightharpoons:["Macro","\\stackrel{\\rightharpoonup}{{{\\leftharpoondown}\\!\\!\\textstyle{-}}}"],hyphen:["Macro","\\text{-}"],tripledash:["Macro","\\raise3mu{\\tiny\\text{-}\\kern2mu\\text{-}\\kern2mu\\text{-}}"]},environment:{CEstack:["Array",null,null,null,"r",null,"0.001em","T",1],CEscriptstack:["Array",null,null,null,"r",null,"0.2em","S",1]}},null,true);if(!MathJax.Extension["TeX/AMSmath"]){b.Definitions.Add({macros:{xrightarrow:["Extension","AMSmath"],xleftarrow:["Extension","AMSmath"]}},null,true)}MathJax.Hub.Register.StartupHook("TeX AMSmath Ready",function(){b.Definitions.Add({macros:{xleftrightarrow:["xArrow",8596,6,6],xrightleftharpoons:["xArrow",8652,5,7],xRightleftharpoons:["xArrow",8652,5,7],xLeftrightharpoons:["xArrow",8652,5,7]}},null,true)});b.Parse.Augment({CE:function(e){var c=this.GetArgument(e);var d=a(c).Parse();this.string=d+this.string.substr(this.i);this.i=0}});MathJax.Hub.Startup.signal.Post("TeX mhchem Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/mhchem.js");
diff --git a/backend/epub/MathJax/extensions/TeX/newcommand.js b/backend/epub/MathJax/extensions/TeX/newcommand.js
deleted file mode 100644
index 175d0518..00000000
--- a/backend/epub/MathJax/extensions/TeX/newcommand.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/newcommand.js
- *
- * Copyright (c) 2009-2014 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["TeX/newcommand"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.InputJax.TeX;var a=b.Definitions;a.Add({macros:{newcommand:"NewCommand",renewcommand:"NewCommand",newenvironment:"NewEnvironment",renewenvironment:"NewEnvironment",def:"MacroDef",let:"Let"}},null,true);b.Parse.Augment({NewCommand:function(c){var e=this.trimSpaces(this.GetArgument(c)),g=this.GetBrackets(c),d=this.GetBrackets(c),f=this.GetArgument(c);if(e.charAt(0)==="\\"){e=e.substr(1)}if(!e.match(/^(.|[a-z]+)$/i)){b.Error(["IllegalControlSequenceName","Illegal control sequence name for %1",c])}if(g){g=this.trimSpaces(g);if(!g.match(/^[0-9]+$/)){b.Error(["IllegalParamNumber","Illegal number of parameters specified in %1",c])}}this.setDef(e,["Macro",f,g,d])},NewEnvironment:function(d){var e=this.trimSpaces(this.GetArgument(d)),g=this.GetBrackets(d),f=this.GetArgument(d),c=this.GetArgument(d);if(g){g=this.trimSpaces(g);if(!g.match(/^[0-9]+$/)){b.Error(["IllegalParamNumber","Illegal number of parameters specified in %1",d])}}this.setEnv(e,["BeginEnv",[null,"EndEnv"],f,c,g])},MacroDef:function(c){var d=this.GetCSname(c),f=this.GetTemplate(c,"\\"+d),e=this.GetArgument(c);if(!(f instanceof Array)){this.setDef(d,["Macro",e,f])}else{this.setDef(d,["MacroWithTemplate",e].concat(f))}},Let:function(d){var e=this.GetCSname(d),f;var g=this.GetNext();if(g==="="){this.i++;g=this.GetNext()}if(g==="\\"){d=this.GetCSname(d);f=this.csFindMacro(d);if(!f){if(a.mathchar0mi[d]){f=["csMathchar0mi",a.mathchar0mi[d]]}else{if(a.mathchar0mo[d]){f=["csMathchar0mo",a.mathchar0mo[d]]}else{if(a.mathchar7[d]){f=["csMathchar7",a.mathchar7[d]]}else{if(a.delimiter["\\"+d]!=null){f=["csDelimiter",a.delimiter["\\"+d]]}}}}}}else{f=["Macro",g];this.i++}this.setDef(e,f)},setDef:function(c,d){d.isUser=true;a.macros[c]=d},setEnv:function(c,d){d.isUser=true;a.environment[c]=d},GetCSname:function(e){var f=this.GetNext();if(f!=="\\"){b.Error(["MissingCS","%1 must be followed by a control sequence",e])}var d=this.trimSpaces(this.GetArgument(e));return d.substr(1)},GetTemplate:function(f,e){var j,g=[],h=0;j=this.GetNext();var d=this.i;while(this.i<this.string.length){j=this.GetNext();if(j==="#"){if(d!==this.i){g[h]=this.string.substr(d,this.i-d)}j=this.string.charAt(++this.i);if(!j.match(/^[1-9]$/)){b.Error(["CantUseHash2","Illegal use of # in template for %1",e])}if(parseInt(j)!=++h){b.Error(["SequentialParam","Parameters for %1 must be numbered sequentially",e])}d=this.i+1}else{if(j==="{"){if(d!==this.i){g[h]=this.string.substr(d,this.i-d)}if(g.length>0){return[h,g]}else{return h}}}this.i++}b.Error(["MissingReplacementString","Missing replacement string for definition of %1",f])},MacroWithTemplate:function(d,g,h,f){if(h){var c=[];this.GetNext();if(f[0]&&!this.MatchParam(f[0])){b.Error(["MismatchUseDef","Use of %1 doesn't match its definition",d])}for(var e=0;e<h;e++){c.push(this.GetParameter(d,f[e+1]))}g=this.SubstituteArgs(c,g)}this.string=this.AddArgs(g,this.string.slice(this.i));this.i=0;if(++this.macroCount>b.config.MAXMACROS){b.Error(["MaxMacroSub1","MathJax maximum macro substitution count exceeded; is there a recursive macro call?"])}},BeginEnv:function(f,h,c,g){if(g){var d=[];for(var e=0;e<g;e++){d.push(this.GetArgument("\\begin{"+name+"}"))}h=this.SubstituteArgs(d,h);c=this.SubstituteArgs([],c)}this.string=this.AddArgs(h,this.string.slice(this.i));this.i=0;return f},EndEnv:function(e,g,d,f){var c="\\end{\\end\\"+e.name+"}";this.string=this.AddArgs(d,c+this.string.slice(this.i));this.i=0;return null},GetParameter:function(d,g){if(g==null){return this.GetArgument(d)}var f=this.i,c=0,e=0;while(this.i<this.string.length){if(this.string.charAt(this.i)==="{"){if(this.i===f){e=1}this.GetArgument(d);c=this.i-f}else{if(this.MatchParam(g)){if(e){f++;c-=2}return this.string.substr(f,c)}else{this.i++;c++;e=0}}}b.Error(["RunawayArgument","Runaway argument for %1?",d])},MatchParam:function(c){if(this.string.substr(this.i,c.length)!==c){return 0}this.i+=c.length;return 1}});b.Environment=function(c){a.environment[c]=["BeginEnv","EndEnv"].concat([].slice.call(arguments,1));a.environment[c].isUser=true};MathJax.Hub.Startup.signal.Post("TeX newcommand Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/newcommand.js");
diff --git a/backend/epub/MathJax/extensions/TeX/noErrors.js b/backend/epub/MathJax/extensions/TeX/noErrors.js
deleted file mode 100644
index c101c67f..00000000
--- a/backend/epub/MathJax/extensions/TeX/noErrors.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/noErrors.js
- *
- * Copyright (c) 2009-2014 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.
- */
-
-(function(b,e){var d="2.4.0";var a=b.CombineConfig("TeX.noErrors",{disabled:false,multiLine:true,inlineDelimiters:["",""],style:{"font-size":"90%","text-align":"left",color:"black",padding:"1px 3px",border:"1px solid"}});var c="\u00A0";MathJax.Extension["TeX/noErrors"]={version:d,config:a};b.Register.StartupHook("TeX Jax Ready",function(){var f=MathJax.InputJax.TeX.formatError;MathJax.InputJax.TeX.Augment({formatError:function(j,i,k,g){if(a.disabled){return f.apply(this,arguments)}var h=j.message.replace(/\n.*/,"");b.signal.Post(["TeX Jax - parse error",h,i,k,g]);var m=a.inlineDelimiters;var l=(k||a.multiLine);if(!k){i=m[0]+i+m[1]}if(l){i=i.replace(/ /g,c)}else{i=i.replace(/\n/g," ")}return MathJax.ElementJax.mml.merror(i).With({isError:true,multiLine:l})}})});b.Register.StartupHook("HTML-CSS Jax Config",function(){b.Config({"HTML-CSS":{styles:{".MathJax .noError":b.Insert({"vertical-align":(b.Browser.isMSIE&&a.multiLine?"-2px":"")},a.style)}}})});b.Register.StartupHook("HTML-CSS Jax Ready",function(){var g=MathJax.ElementJax.mml;var h=MathJax.OutputJax["HTML-CSS"];var f=g.math.prototype.toHTML,i=g.merror.prototype.toHTML;g.math.Augment({toHTML:function(j,k){var l=this.data[0];if(l&&l.data[0]&&l.data[0].isError){j.style.fontSize="";j=this.HTMLcreateSpan(j);j.bbox=l.data[0].toHTML(j).bbox}else{j=f.call(this,j,k)}return j}});g.merror.Augment({toHTML:function(p){if(!this.isError){return i.call(this,p)}p=this.HTMLcreateSpan(p);p.className="noError";if(this.multiLine){p.style.display="inline-block"}var r=this.data[0].data[0].data.join("").split(/\n/);for(var o=0,l=r.length;o<l;o++){h.addText(p,r[o]);if(o!==l-1){h.addElement(p,"br",{isMathJax:true})}}var q=h.getHD(p.parentNode),k=h.getW(p.parentNode);if(l>1){var n=(q.h+q.d)/2,j=h.TeX.x_height/2;p.parentNode.style.verticalAlign=h.Em(q.d+(j-n));q.h=j+n;q.d=n-j}p.bbox={h:q.h,d:q.d,w:k,lw:0,rw:k};return p}})});b.Register.StartupHook("SVG Jax Config",function(){b.Config({SVG:{styles:{".MathJax_SVG .noError":b.Insert({"vertical-align":(b.Browser.isMSIE&&a.multiLine?"-2px":"")},a.style)}}})});b.Register.StartupHook("SVG Jax Ready",function(){var g=MathJax.ElementJax.mml;var f=g.math.prototype.toSVG,h=g.merror.prototype.toSVG;g.math.Augment({toSVG:function(i,j){var k=this.data[0];if(k&&k.data[0]&&k.data[0].isError){i=k.data[0].toSVG(i)}else{i=f.call(this,i,j)}return i}});g.merror.Augment({toSVG:function(n){if(!this.isError||this.Parent().type!=="math"){return h.call(this,n)}n=e.addElement(n,"span",{className:"noError",isMathJax:true});if(this.multiLine){n.style.display="inline-block"}var o=this.data[0].data[0].data.join("").split(/\n/);for(var l=0,j=o.length;l<j;l++){e.addText(n,o[l]);if(l!==j-1){e.addElement(n,"br",{isMathJax:true})}}if(j>1){var k=n.offsetHeight/2;n.style.verticalAlign=(-k+(k/j))+"px"}return n}})});b.Register.StartupHook("NativeMML Jax Ready",function(){var h=MathJax.ElementJax.mml;var g=MathJax.Extension["TeX/noErrors"].config;var f=h.math.prototype.toNativeMML,i=h.merror.prototype.toNativeMML;h.math.Augment({toNativeMML:function(j){var k=this.data[0];if(k&&k.data[0]&&k.data[0].isError){j=k.data[0].toNativeMML(j)}else{j=f.call(this,j)}return j}});h.merror.Augment({toNativeMML:function(n){if(!this.isError){return i.call(this,n)}n=n.appendChild(document.createElement("span"));var o=this.data[0].data[0].data.join("").split(/\n/);for(var l=0,k=o.length;l<k;l++){n.appendChild(document.createTextNode(o[l]));if(l!==k-1){n.appendChild(document.createElement("br"))}}if(this.multiLine){n.style.display="inline-block";if(k>1){n.style.verticalAlign="middle"}}for(var p in g.style){if(g.style.hasOwnProperty(p)){var j=p.replace(/-./g,function(m){return m.charAt(1).toUpperCase()});n.style[j]=g.style[p]}}return n}})});b.Startup.signal.Post("TeX noErrors Ready")})(MathJax.Hub,MathJax.HTML);MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/noErrors.js");
diff --git a/backend/epub/MathJax/extensions/TeX/noUndefined.js b/backend/epub/MathJax/extensions/TeX/noUndefined.js
deleted file mode 100644
index 93f32b87..00000000
--- a/backend/epub/MathJax/extensions/TeX/noUndefined.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/noUndefined.js
- *
- * Copyright (c) 2009-2014 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["TeX/noUndefined"]={version:"2.4.0",config:MathJax.Hub.CombineConfig("TeX.noUndefined",{disabled:false,attributes:{mathcolor:"red"}})};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var b=MathJax.Extension["TeX/noUndefined"].config;var a=MathJax.ElementJax.mml;var c=MathJax.InputJax.TeX.Parse.prototype.csUndefined;MathJax.InputJax.TeX.Parse.Augment({csUndefined:function(d){if(b.disabled){return c.apply(this,arguments)}MathJax.Hub.signal.Post(["TeX Jax - undefined control sequence",d]);this.Push(a.mtext(d).With(b.attributes))}});MathJax.Hub.Startup.signal.Post("TeX noUndefined Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/noUndefined.js");
diff --git a/backend/epub/MathJax/extensions/TeX/unicode.js b/backend/epub/MathJax/extensions/TeX/unicode.js
deleted file mode 100644
index ed0be873..00000000
--- a/backend/epub/MathJax/extensions/TeX/unicode.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/unicode.js
- *
- * Copyright (c) 2009-2014 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["TeX/unicode"]={version:"2.4.0",unicode:{},config:MathJax.Hub.CombineConfig("TeX.unicode",{fonts:"STIXGeneral,'Arial Unicode MS'"})};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var c=MathJax.InputJax.TeX;var a=MathJax.ElementJax.mml;var b=MathJax.Extension["TeX/unicode"].unicode;c.Definitions.Add({macros:{unicode:"Unicode"}},null,true);c.Parse.Augment({Unicode:function(e){var i=this.GetBrackets(e),d;if(i){if(i.replace(/ /g,"").match(/^(\d+(\.\d*)?|\.\d+),(\d+(\.\d*)?|\.\d+)$/)){i=i.replace(/ /g,"").split(/,/);d=this.GetBrackets(e)}else{d=i;i=null}}var j=this.trimSpaces(this.GetArgument(e)),h=parseInt(j.match(/^x/)?"0"+j:j);if(!b[h]){b[h]=[800,200,d,h]}else{if(!d){d=b[h][2]}}if(i){b[h][0]=Math.floor(i[0]*1000);b[h][1]=Math.floor(i[1]*1000)}var f=this.stack.env.font,g={};if(d){b[h][2]=g.fontfamily=d.replace(/"/g,"'");if(f){if(f.match(/bold/)){g.fontweight="bold"}if(f.match(/italic|-mathit/)){g.fontstyle="italic"}}}else{if(f){g.mathvariant=f}}g.unicode=[].concat(b[h]);this.Push(a.mtext(a.entity("#"+j)).With(g))}});MathJax.Hub.Startup.signal.Post("TeX unicode Ready")});MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function(){var a=MathJax.ElementJax.mml;var c=MathJax.Extension["TeX/unicode"].config.fonts;var b=a.mbase.prototype.HTMLgetVariant;a.mbase.Augment({HTMLgetVariant:function(){var d=b.call(this);if(d.unicode){delete d.unicode;delete d.FONTS}if(!this.unicode){return d}d.unicode=true;if(!d.defaultFont){d=MathJax.Hub.Insert({},d);d.defaultFont={family:c}}var e=this.unicode[2];if(e){e+=","+c}else{e=c}d.defaultFont[this.unicode[3]]=[this.unicode[0],this.unicode[1],500,0,500,{isUnknown:true,isUnicode:true,font:e}];return d}})});MathJax.Hub.Register.StartupHook("SVG Jax Ready",function(){var a=MathJax.ElementJax.mml;var c=MathJax.Extension["TeX/unicode"].config.fonts;var b=a.mbase.prototype.SVGgetVariant;a.mbase.Augment({SVGgetVariant:function(){var d=b.call(this);if(d.unicode){delete d.unicode;delete d.FONTS}if(!this.unicode){return d}d.unicode=true;if(!d.forceFamily){d=MathJax.Hub.Insert({},d)}d.defaultFamily=c;d.noRemap=true;d.h=this.unicode[0];d.d=this.unicode[1];return d}})});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/unicode.js");
diff --git a/backend/epub/MathJax/extensions/TeX/verb.js b/backend/epub/MathJax/extensions/TeX/verb.js
deleted file mode 100644
index 4fd4c020..00000000
--- a/backend/epub/MathJax/extensions/TeX/verb.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/TeX/verb.js
- *
- * Copyright (c) 2009-2014 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["TeX/verb"]={version:"2.4.0"};MathJax.Hub.Register.StartupHook("TeX Jax Ready",function(){var a=MathJax.ElementJax.mml;var c=MathJax.InputJax.TeX;var b=c.Definitions;b.Add({macros:{verb:"Verb"}},null,true);c.Parse.Augment({Verb:function(d){var g=this.GetNext();var f=++this.i;if(g==""){c.Error(["MissingArgFor","Missing argument for %1",d])}while(this.i<this.string.length&&this.string.charAt(this.i)!=g){this.i++}if(this.i==this.string.length){c.Error(["NoClosingDelim","Can't find closing delimiter for %1",d])}var e=this.string.slice(f,this.i).replace(/ /g,"\u00A0");this.i++;this.Push(a.mtext(e).With({mathvariant:a.VARIANT.MONOSPACE}))}});MathJax.Hub.Startup.signal.Post("TeX verb Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/verb.js");
diff --git a/backend/epub/MathJax/extensions/asciimath2jax.js b/backend/epub/MathJax/extensions/asciimath2jax.js
deleted file mode 100644
index bb63fb96..00000000
--- a/backend/epub/MathJax/extensions/asciimath2jax.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/asciimath2jax.js
- *
- * Copyright (c) 2009-2014 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.asciimath2jax={version:"2.4.0",config:{delimiters:[["`","`"]],skipTags:["script","noscript","style","textarea","pre","code","annotation","annotation-xml"],ignoreClass:"asciimath2jax_ignore",processClass:"asciimath2jax_process",preview:"AsciiMath"},PreProcess:function(a){if(!this.configured){this.config=MathJax.Hub.CombineConfig("asciimath2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.configured=true}if(typeof(a)==="string"){a=document.getElementById(a)}if(!a){a=document.body}if(this.createPatterns()){this.scanElement(a,a.nextSibling)}},createPatterns:function(){var d=[],c,a,b=this.config;this.match={};if(b.delimiters.length===0){return false}for(c=0,a=b.delimiters.length;c<a;c++){d.push(this.patternQuote(b.delimiters[c][0]));this.match[b.delimiters[c][0]]={mode:"",end:b.delimiters[c][1],pattern:this.endPattern(b.delimiters[c][1])}}this.start=new RegExp(d.sort(this.sortLength).join("|"),"g");this.skipTags=new RegExp("^("+b.skipTags.join("|")+")$","i");var e=[];if(MathJax.Hub.config.preRemoveClass){e.push(MathJax.Hub.config.preRemoveClass)}if(b.ignoreClass){e.push(b.ignoreClass)}this.ignoreClass=(e.length?new RegExp("(^| )("+e.join("|")+")( |$)"):/^$/);this.processClass=new RegExp("(^| )("+b.processClass+")( |$)");return true},patternQuote:function(a){return a.replace(/([\^$(){}+*?\-|\[\]\:\\])/g,"\\$1")},endPattern:function(a){return new RegExp(this.patternQuote(a)+"|\\\\.","g")},sortLength:function(d,c){if(d.length!==c.length){return c.length-d.length}return(d==c?0:(d<c?-1:1))},scanElement:function(c,b,g){var a,e,d,f;while(c&&c!=b){if(c.nodeName.toLowerCase()==="#text"){if(!g){c=this.scanText(c)}}else{a=(typeof(c.className)==="undefined"?"":c.className);e=(typeof(c.tagName)==="undefined"?"":c.tagName);if(typeof(a)!=="string"){a=String(a)}f=this.processClass.exec(a);if(c.firstChild&&!a.match(/(^| )MathJax/)&&(f||!this.skipTags.exec(e))){d=(g||this.ignoreClass.exec(a))&&!f;this.scanElement(c.firstChild,b,d)}}if(c){c=c.nextSibling}}},scanText:function(b){if(b.nodeValue.replace(/\s+/,"")==""){return b}var a,c;this.search={start:true};this.pattern=this.start;while(b){this.pattern.lastIndex=0;while(b&&b.nodeName.toLowerCase()==="#text"&&(a=this.pattern.exec(b.nodeValue))){if(this.search.start){b=this.startMatch(a,b)}else{b=this.endMatch(a,b)}}if(this.search.matched){b=this.encloseMath(b)}if(b){do{c=b;b=b.nextSibling}while(b&&(b.nodeName.toLowerCase()==="br"||b.nodeName.toLowerCase()==="#comment"));if(!b||b.nodeName!=="#text"){return c}}}return b},startMatch:function(a,b){var c=this.match[a[0]];if(c!=null){this.search={end:c.end,mode:c.mode,open:b,olen:a[0].length,opos:this.pattern.lastIndex-a[0].length};this.switchPattern(c.pattern)}return b},endMatch:function(a,b){if(a[0]==this.search.end){this.search.close=b;this.search.cpos=this.pattern.lastIndex;this.search.clen=(this.search.isBeginEnd?0:a[0].length);this.search.matched=true;b=this.encloseMath(b);this.switchPattern(this.start)}return b},switchPattern:function(a){a.lastIndex=this.pattern.lastIndex;this.pattern=a;this.search.start=(a===this.start)},encloseMath:function(b){var a=this.search,f=a.close,e,c;if(a.cpos===f.length){f=f.nextSibling}else{f=f.splitText(a.cpos)}if(!f){e=f=MathJax.HTML.addText(a.close.parentNode,"")}a.close=f;c=(a.opos?a.open.splitText(a.opos):a.open);while(c.nextSibling&&c.nextSibling!==f){if(c.nextSibling.nodeValue!==null){if(c.nextSibling.nodeName==="#comment"){c.nodeValue+=c.nextSibling.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1")}else{c.nodeValue+=c.nextSibling.nodeValue}}else{if(this.msieNewlineBug){c.nodeValue+=(c.nextSibling.nodeName.toLowerCase()==="br"?"\n":" ")}else{c.nodeValue+=" "}}c.parentNode.removeChild(c.nextSibling)}var d=c.nodeValue.substr(a.olen,c.nodeValue.length-a.olen-a.clen);c.parentNode.removeChild(c);if(this.config.preview!=="none"){this.createPreview(a.mode,d)}c=this.createMathTag(a.mode,d);this.search={};this.pattern.lastIndex=0;if(e){e.parentNode.removeChild(e)}return c},insertNode:function(b){var a=this.search;a.close.parentNode.insertBefore(b,a.close)},createPreview:function(c,a){var b=this.config.preview;if(b==="none"){return}if(b==="AsciiMath"){b=[this.filterPreview(a)]}if(b){b=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},b);this.insertNode(b)}},createMathTag:function(c,a){var b=document.createElement("script");b.type="math/asciimath"+c;MathJax.HTML.setScript(b,a);this.insertNode(b);return b},filterPreview:function(a){return a},msieNewlineBug:(MathJax.Hub.Browser.isMSIE&&(document.documentMode||0)<9)};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.asciimath2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/asciimath2jax.js");
diff --git a/backend/epub/MathJax/extensions/jsMath2jax.js b/backend/epub/MathJax/extensions/jsMath2jax.js
deleted file mode 100644
index ece44552..00000000
--- a/backend/epub/MathJax/extensions/jsMath2jax.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/jsMath2jax.js
- *
- * Copyright (c) 2009-2014 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.jsMath2jax={version:"2.4.0",config:{preview:"TeX"},PreProcess:function(b){if(!this.configured){this.config=MathJax.Hub.CombineConfig("jsMath2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}if(typeof(this.config.previewTeX)!=="undefined"&&!this.config.previewTeX){this.config.preview="none"}this.previewClass=MathJax.Hub.config.preRemoveClass;this.configured=true}if(typeof(b)==="string"){b=document.getElementById(b)}if(!b){b=document.body}var c=b.getElementsByTagName("span"),a;for(a=c.length-1;a>=0;a--){if(String(c[a].className).match(/(^| )math( |$)/)){this.ConvertMath(c[a],"")}}var d=b.getElementsByTagName("div");for(a=d.length-1;a>=0;a--){if(String(d[a].className).match(/(^| )math( |$)/)){this.ConvertMath(d[a],"; mode=display")}}},ConvertMath:function(c,d){if(c.getElementsByTagName("script").length===0){var b=c.parentNode,a=this.createMathTag(d,c.innerHTML);if(c.nextSibling){b.insertBefore(a,c.nextSibling)}else{b.appendChild(a)}if(this.config.preview!=="none"){this.createPreview(c)}b.removeChild(c)}},createPreview:function(a){var b=this.config.preview;if(b==="TeX"){b=[this.filterPreview(a.innerHTML)]}if(b){b=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},b);a.parentNode.insertBefore(b,a)}},createMathTag:function(c,b){b=b.replace(/&lt;/g,"<").replace(/&gt;/g,">").replace(/&amp;/g,"&");var a=document.createElement("script");a.type="math/tex"+c;MathJax.HTML.setScript(a,b);return a},filterPreview:function(a){return a}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.jsMath2jax],8);MathJax.Ajax.loadComplete("[MathJax]/extensions/jsMath2jax.js");
diff --git a/backend/epub/MathJax/extensions/mml2jax.js b/backend/epub/MathJax/extensions/mml2jax.js
deleted file mode 100644
index 00755f6c..00000000
--- a/backend/epub/MathJax/extensions/mml2jax.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/mml2jax.js
- *
- * Copyright (c) 2009-2014 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.mml2jax={version:"2.4.0",config:{preview:"mathml"},MMLnamespace:"http://www.w3.org/1998/Math/MathML",PreProcess:function(e){if(!this.configured){this.config=MathJax.Hub.CombineConfig("mml2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.InitBrowser();this.configured=true}if(typeof(e)==="string"){e=document.getElementById(e)}if(!e){e=document.body}var h=[];this.PushMathElements(h,e,"math");this.PushMathElements(h,e,"math",this.MMLnamespace);var d,b;if(typeof(document.namespaces)!=="undefined"){try{for(d=0,b=document.namespaces.length;d<b;d++){var f=document.namespaces[d];if(f.urn===this.MMLnamespace){this.PushMathElements(h,e,f.name+":math")}}}catch(g){}}else{var c=document.getElementsByTagName("html")[0];if(c){for(d=0,b=c.attributes.length;d<b;d++){var a=c.attributes[d];if(a.nodeName.substr(0,6)==="xmlns:"&&a.nodeValue===this.MMLnamespace){this.PushMathElements(h,e,a.nodeName.substr(6)+":math")}}}}this.ProcessMathArray(h)},PushMathElements:function(f,d,a,c){var h,g=MathJax.Hub.config.preRemoveClass;if(c){if(!d.getElementsByTagNameNS){return}h=d.getElementsByTagNameNS(c,a)}else{h=d.getElementsByTagName(a)}for(var e=0,b=h.length;e<b;e++){var j=h[e].parentNode;if(j&&j.className!==g&&!h[e].prefix===!c){f.push(h[e])}}},ProcessMathArray:function(c){var b,a=c.length;if(a){if(this.MathTagBug){for(b=0;b<a;b++){if(c[b].nodeName==="MATH"){this.ProcessMathFlattened(c[b])}else{this.ProcessMath(c[b])}}}else{for(b=0;b<a;b++){this.ProcessMath(c[b])}}}},ProcessMath:function(e){var d=e.parentNode;if(!d||d.className===MathJax.Hub.config.preRemoveClass){return}var a=document.createElement("script");a.type="math/mml";d.insertBefore(a,e);if(this.AttributeBug){var b=this.OuterHTML(e);if(this.CleanupHTML){b=b.replace(/<\?import .*?>/i,"").replace(/<\?xml:namespace .*?\/>/i,"");b=b.replace(/&nbsp;/g,"&#xA0;")}MathJax.HTML.setScript(a,b);d.removeChild(e)}else{var c=MathJax.HTML.Element("span");c.appendChild(e);MathJax.HTML.setScript(a,c.innerHTML)}if(this.config.preview!=="none"){this.createPreview(e,a)}},ProcessMathFlattened:function(f){var d=f.parentNode;if(!d||d.className===MathJax.Hub.config.preRemoveClass){return}var b=document.createElement("script");b.type="math/mml";d.insertBefore(b,f);var c="",e,a=f;while(f&&f.nodeName!=="/MATH"){e=f;f=f.nextSibling;c+=this.NodeHTML(e);e.parentNode.removeChild(e)}if(f&&f.nodeName==="/MATH"){f.parentNode.removeChild(f)}b.text=c+"</math>";if(this.config.preview!=="none"){this.createPreview(a,b)}},NodeHTML:function(e){var c,b,a;if(e.nodeName==="#text"){c=this.quoteHTML(e.nodeValue)}else{if(e.nodeName==="#comment"){c="<!--"+e.nodeValue+"-->"}else{c="<"+e.nodeName.toLowerCase();for(b=0,a=e.attributes.length;b<a;b++){var d=e.attributes[b];if(d.specified&&d.nodeName.substr(0,10)!=="_moz-math-"){c+=" "+d.nodeName.toLowerCase().replace(/xmlns:xmlns/,"xmlns")+"=";var f=d.nodeValue;if(f==null&&d.nodeName==="style"&&e.style){f=e.style.cssText}c+='"'+this.quoteHTML(f)+'"'}}c+=">";if(e.outerHTML!=null&&e.outerHTML.match(/(.<\/[A-Z]+>|\/>)$/)){for(b=0,a=e.childNodes.length;b<a;b++){c+=this.OuterHTML(e.childNodes[b])}c+="</"+e.nodeName.toLowerCase()+">"}}}return c},OuterHTML:function(d){if(d.nodeName.charAt(0)==="#"){return this.NodeHTML(d)}if(!this.AttributeBug){return d.outerHTML}var c=this.NodeHTML(d);for(var b=0,a=d.childNodes.length;b<a;b++){c+=this.OuterHTML(d.childNodes[b])}c+="</"+d.nodeName.toLowerCase()+">";return c},quoteHTML:function(a){if(a==null){a=""}return a.replace(/&/g,"&#x26;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\"/g,"&quot;")},createPreview:function(f,b){var g=this.config.preview;if(g==="none"){return}var a=false;if(g==="mathml"){a=true;if(this.MathTagBug){g="alttext"}else{g=f.cloneNode(false)}}if(g==="alttext"||g==="altimg"){a=true;var c=this.filterPreview(f.getAttribute("alttext"));if(g==="alttext"){if(c!=null){g=MathJax.HTML.TextNode(c)}else{g=null}}else{var h=f.getAttribute("altimg");if(h!=null){var e={width:f.getAttribute("altimg-width"),height:f.getAttribute("altimg-height")};g=MathJax.HTML.Element("img",{src:h,alt:c,style:e})}else{g=null}}}if(g){var d;if(a){d=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass});d.appendChild(g)}else{d=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},g)}b.parentNode.insertBefore(d,b)}},filterPreview:function(a){return a},InitBrowser:function(){var b=MathJax.HTML.Element("span",{id:"<",className:"mathjax",innerHTML:"<math><mi>x</mi><mspace /></math>"});var a=b.outerHTML||"";this.AttributeBug=a!==""&&!(a.match(/id="&lt;"/)&&a.match(/class="mathjax"/)&&a.match(/<\/math>/));this.MathTagBug=b.childNodes.length>1;this.CleanupHTML=MathJax.Hub.Browser.isMSIE}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.mml2jax],5);MathJax.Ajax.loadComplete("[MathJax]/extensions/mml2jax.js");
diff --git a/backend/epub/MathJax/extensions/tex2jax.js b/backend/epub/MathJax/extensions/tex2jax.js
deleted file mode 100644
index 804b556b..00000000
--- a/backend/epub/MathJax/extensions/tex2jax.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/tex2jax.js
- *
- * Copyright (c) 2009-2014 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.tex2jax={version:"2.4.0",config:{inlineMath:[["\\(","\\)"]],displayMath:[["$$","$$"],["\\[","\\]"]],balanceBraces:true,skipTags:["script","noscript","style","textarea","pre","code","annotation","annotation-xml"],ignoreClass:"tex2jax_ignore",processClass:"tex2jax_process",processEscapes:false,processEnvironments:true,processRefs:true,preview:"TeX"},PreProcess:function(a){if(!this.configured){this.config=MathJax.Hub.CombineConfig("tex2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}if(typeof(this.config.previewTeX)!=="undefined"&&!this.config.previewTeX){this.config.preview="none"}this.configured=true}if(typeof(a)==="string"){a=document.getElementById(a)}if(!a){a=document.body}if(this.createPatterns()){this.scanElement(a,a.nextSibling)}},createPatterns:function(){var d=[],e=[],c,a,b=this.config;this.match={};for(c=0,a=b.inlineMath.length;c<a;c++){d.push(this.patternQuote(b.inlineMath[c][0]));this.match[b.inlineMath[c][0]]={mode:"",end:b.inlineMath[c][1],pattern:this.endPattern(b.inlineMath[c][1])}}for(c=0,a=b.displayMath.length;c<a;c++){d.push(this.patternQuote(b.displayMath[c][0]));this.match[b.displayMath[c][0]]={mode:"; mode=display",end:b.displayMath[c][1],pattern:this.endPattern(b.displayMath[c][1])}}if(d.length){e.push(d.sort(this.sortLength).join("|"))}if(b.processEnvironments){e.push("\\\\begin\\{([^}]*)\\}")}if(b.processEscapes){e.push("\\\\*\\\\\\$")}if(b.processRefs){e.push("\\\\(eq)?ref\\{[^}]*\\}")}this.start=new RegExp(e.join("|"),"g");this.skipTags=new RegExp("^("+b.skipTags.join("|")+")$","i");var f=[];if(MathJax.Hub.config.preRemoveClass){f.push(MathJax.Hub.config.preRemoveClass)}if(b.ignoreClass){f.push(b.ignoreClass)}this.ignoreClass=(f.length?new RegExp("(^| )("+f.join("|")+")( |$)"):/^$/);this.processClass=new RegExp("(^| )("+b.processClass+")( |$)");return(e.length>0)},patternQuote:function(a){return a.replace(/([\^$(){}+*?\-|\[\]\:\\])/g,"\\$1")},endPattern:function(a){return new RegExp(this.patternQuote(a)+"|\\\\.|[{}]","g")},sortLength:function(d,c){if(d.length!==c.length){return c.length-d.length}return(d==c?0:(d<c?-1:1))},scanElement:function(c,b,g){var a,e,d,f;while(c&&c!=b){if(c.nodeName.toLowerCase()==="#text"){if(!g){c=this.scanText(c)}}else{a=(typeof(c.className)==="undefined"?"":c.className);e=(typeof(c.tagName)==="undefined"?"":c.tagName);if(typeof(a)!=="string"){a=String(a)}f=this.processClass.exec(a);if(c.firstChild&&!a.match(/(^| )MathJax/)&&(f||!this.skipTags.exec(e))){d=(g||this.ignoreClass.exec(a))&&!f;this.scanElement(c.firstChild,b,d)}}if(c){c=c.nextSibling}}},scanText:function(b){if(b.nodeValue.replace(/\s+/,"")==""){return b}var a,c;this.search={start:true};this.pattern=this.start;while(b){this.pattern.lastIndex=0;while(b&&b.nodeName.toLowerCase()==="#text"&&(a=this.pattern.exec(b.nodeValue))){if(this.search.start){b=this.startMatch(a,b)}else{b=this.endMatch(a,b)}}if(this.search.matched){b=this.encloseMath(b)}if(b){do{c=b;b=b.nextSibling}while(b&&(b.nodeName.toLowerCase()==="br"||b.nodeName.toLowerCase()==="#comment"));if(!b||b.nodeName!=="#text"){return(this.search.close?this.prevEndMatch():c)}}}return b},startMatch:function(a,b){var f=this.match[a[0]];if(f!=null){this.search={end:f.end,mode:f.mode,pcount:0,open:b,olen:a[0].length,opos:this.pattern.lastIndex-a[0].length};this.switchPattern(f.pattern)}else{if(a[0].substr(0,6)==="\\begin"){this.search={end:"\\end{"+a[1]+"}",mode:"; mode=display",pcount:0,open:b,olen:0,opos:this.pattern.lastIndex-a[0].length,isBeginEnd:true};this.switchPattern(this.endPattern(this.search.end))}else{if(a[0].substr(0,4)==="\\ref"||a[0].substr(0,6)==="\\eqref"){this.search={mode:"",end:"",open:b,pcount:0,olen:0,opos:this.pattern.lastIndex-a[0].length};return this.endMatch([""],b)}else{var d=a[0].substr(0,a[0].length-1),g,c;if(d.length%2===0){c=[d.replace(/\\\\/g,"\\")];g=1}else{c=[d.substr(1).replace(/\\\\/g,"\\"),"$"];g=0}c=MathJax.HTML.Element("span",null,c);var e=MathJax.HTML.TextNode(b.nodeValue.substr(0,a.index));b.nodeValue=b.nodeValue.substr(a.index+a[0].length-g);b.parentNode.insertBefore(c,b);b.parentNode.insertBefore(e,c);this.pattern.lastIndex=g}}}return b},endMatch:function(a,c){var b=this.search;if(a[0]==b.end){if(!b.close||b.pcount===0){b.close=c;b.cpos=this.pattern.lastIndex;b.clen=(b.isBeginEnd?0:a[0].length)}if(b.pcount===0){b.matched=true;c=this.encloseMath(c);this.switchPattern(this.start)}}else{if(a[0]==="{"){b.pcount++}else{if(a[0]==="}"&&b.pcount){b.pcount--}}}return c},prevEndMatch:function(){this.search.matched=true;var a=this.encloseMath(this.search.close);this.switchPattern(this.start);return a},switchPattern:function(a){a.lastIndex=this.pattern.lastIndex;this.pattern=a;this.search.start=(a===this.start)},encloseMath:function(b){var a=this.search,f=a.close,e,c;if(a.cpos===f.length){f=f.nextSibling}else{f=f.splitText(a.cpos)}if(!f){e=f=MathJax.HTML.addText(a.close.parentNode,"")}a.close=f;c=(a.opos?a.open.splitText(a.opos):a.open);while(c.nextSibling&&c.nextSibling!==f){if(c.nextSibling.nodeValue!==null){if(c.nextSibling.nodeName==="#comment"){c.nodeValue+=c.nextSibling.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1")}else{c.nodeValue+=c.nextSibling.nodeValue}}else{if(this.msieNewlineBug){c.nodeValue+=(c.nextSibling.nodeName.toLowerCase()==="br"?"\n":" ")}else{c.nodeValue+=" "}}c.parentNode.removeChild(c.nextSibling)}var d=c.nodeValue.substr(a.olen,c.nodeValue.length-a.olen-a.clen);c.parentNode.removeChild(c);if(this.config.preview!=="none"){this.createPreview(a.mode,d)}c=this.createMathTag(a.mode,d);this.search={};this.pattern.lastIndex=0;if(e){e.parentNode.removeChild(e)}return c},insertNode:function(b){var a=this.search;a.close.parentNode.insertBefore(b,a.close)},createPreview:function(c,a){var b=this.config.preview;if(b==="none"){return}if(b==="TeX"){b=[this.filterPreview(a)]}if(b){b=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},b);this.insertNode(b)}},createMathTag:function(c,b){var a=document.createElement("script");a.type="math/tex"+c;MathJax.HTML.setScript(a,b);this.insertNode(a);return a},filterPreview:function(a){return a},msieNewlineBug:(MathJax.Hub.Browser.isMSIE&&document.documentMode<9)};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.tex2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/tex2jax.js");
diff --git a/backend/epub/MathJax/extensions/toMathML.js b/backend/epub/MathJax/extensions/toMathML.js
deleted file mode 100644
index b1edf7ef..00000000
--- a/backend/epub/MathJax/extensions/toMathML.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * /MathJax/extensions/toMathML.js
- *
- * Copyright (c) 2009-2014 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.Hub.Register.LoadHook("[MathJax]/jax/element/mml/jax.js",function(){var b="2.4.0";var a=MathJax.ElementJax.mml;SETTINGS=MathJax.Hub.config.menuSettings;a.mbase.Augment({toMathML:function(k){var g=(this.inferred&&this.parent.inferRow);if(k==null){k=""}var e=this.type,d=this.toMathMLattributes();if(e==="mspace"){return k+"<"+e+d+" />"}var j=[],h=(this.isToken?"":k+(g?"":" "));for(var f=0,c=this.data.length;f<c;f++){if(this.data[f]){j.push(this.data[f].toMathML(h))}else{if(!this.isToken&&!this.isChars){j.push(h+"<mrow />")}}}if(this.isToken){return k+"<"+e+d+">"+j.join("")+"</"+e+">"}if(g){return j.join("\n")}if(j.length===0||(j.length===1&&j[0]==="")){return k+"<"+e+d+" />"}return k+"<"+e+d+">\n"+j.join("\n")+"\n"+k+"</"+e+">"},toMathMLattributes:function(){var j=[],g=this.defaults;var c=(this.attrNames||a.copyAttributeNames),l=a.skipAttributes;if(this.type==="math"&&(!this.attr||!this.attr.xmlns)){j.push('xmlns="http://www.w3.org/1998/Math/MathML"')}if(!this.attrNames){if(this.type==="mstyle"){g=a.math.prototype.defaults}for(var d in g){if(!l[d]&&g.hasOwnProperty(d)){var e=(d==="open"||d==="close"||d==="form");if(this[d]!=null&&(e||this[d]!==g[d])){var k=this[d];delete this[d];if(e||this.Get(d)!==k){j.push(d+'="'+this.toMathMLattribute(k)+'"')}this[d]=k}}}}for(var h=0,f=c.length;h<f;h++){if(c[h]==="class"){continue}k=(this.attr||{})[c[h]];if(k==null){k=this[c[h]]}if(k!=null){j.push(c[h]+'="'+this.toMathMLquote(k)+'"')}}this.toMathMLclass(j);if(j.length){return" "+j.join(" ")}else{return""}},toMathMLclass:function(c){var e=[];if(this["class"]){e.push(this["class"])}if(this.isa(a.TeXAtom)&&SETTINGS.texHints){var d=["ORD","OP","BIN","REL","OPEN","CLOSE","PUNCT","INNER","VCENTER"][this.texClass];if(d){e.push("MJX-TeXAtom-"+d)}}if(this.mathvariant&&this.toMathMLvariants[this.mathvariant]){e.push("MJX"+this.mathvariant)}if(this.variantForm){e.push("MJX-variant")}if(e.length){c.unshift('class="'+e.join(" ")+'"')}},toMathMLattribute:function(c){if(typeof(c)==="string"&&c.replace(/ /g,"").match(/^(([-+])?(\d+(\.\d*)?|\.\d+))mu$/)){return RegExp.$2+((1/18)*RegExp.$3).toFixed(3).replace(/\.?0+$/,"")+"em"}else{if(this.toMathMLvariants[c]){return this.toMathMLvariants[c]}}return this.toMathMLquote(c)},toMathMLvariants:{"-tex-caligraphic":a.VARIANT.SCRIPT,"-tex-caligraphic-bold":a.VARIANT.BOLDSCRIPT,"-tex-oldstyle":a.VARIANT.NORMAL,"-tex-oldstyle-bold":a.VARIANT.BOLD,"-tex-mathit":a.VARIANT.ITALIC},toMathMLquote:function(f){f=String(f).split("");for(var g=0,d=f.length;g<d;g++){var k=f[g].charCodeAt(0);if(k<=55295||57344<=k){if(k<32||k>126){f[g]="&#x"+k.toString(16).toUpperCase()+";"}else{var j={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;"}[f[g]];if(j){f[g]=j}}}else{if(g+1<d){var h=f[g+1].charCodeAt(0);var e=(((k-55296)<<10)+(h-56320)+65536);f[g]="&#x"+e.toString(16).toUpperCase()+";";f[g+1]="";g++}else{f[g]=""}}}return f.join("")}});a.math.Augment({toMathML:function(c,d){var f;if(c==null){c=""}if(d&&d.originalText&&SETTINGS.semantics){f=MathJax.InputJax[d.inputJax].annotationEncoding}var k=(this.data[0]&&this.data[0].data.length>1);var n=this.type,j=this.toMathMLattributes();var h=[],l=c+(f?" ":"")+(k?" ":"");for(var g=0,e=this.data.length;g<e;g++){if(this.data[g]){h.push(this.data[g].toMathML(l))}else{h.push(l+"<mrow />")}}if(h.length===0||(h.length===1&&h[0]==="")){if(!f){return"<"+n+j+" />"}h.push(l+"<mrow />")}if(f){if(k){h.unshift(c+" <mrow>");h.push(c+" </mrow>")}h.unshift(c+" <semantics>");h.push(c+' <annotation encoding="'+f+'">'+d.originalText+"</annotation>");h.push(c+" </semantics>")}return c+"<"+n+j+">\n"+h.join("\n")+"\n"+c+"</"+n+">"}});a.msubsup.Augment({toMathML:function(h){var e=this.type;if(this.data[this.sup]==null){e="msub"}if(this.data[this.sub]==null){e="msup"}var d=this.toMathMLattributes();delete this.data[0].inferred;var g=[];for(var f=0,c=this.data.length;f<c;f++){if(this.data[f]){g.push(this.data[f].toMathML(h+" "))}}return h+"<"+e+d+">\n"+g.join("\n")+"\n"+h+"</"+e+">"}});a.munderover.Augment({toMathML:function(h){var e=this.type;if(this.data[this.under]==null){e="mover"}if(this.data[this.over]==null){e="munder"}var d=this.toMathMLattributes();delete this.data[0].inferred;var g=[];for(var f=0,c=this.data.length;f<c;f++){if(this.data[f]){g.push(this.data[f].toMathML(h+" "))}}return h+"<"+e+d+">\n"+g.join("\n")+"\n"+h+"</"+e+">"}});a.TeXAtom.Augment({toMathML:function(d){var c=this.toMathMLattributes();if(!c&&this.data[0].data.length===1){return d.substr(2)+this.data[0].toMathML(d)}return d+"<mrow"+c+">\n"+this.data[0].toMathML(d+" ")+"\n"+d+"</mrow>"}});a.chars.Augment({toMathML:function(c){return(c||"")+this.toMathMLquote(this.toString())}});a.entity.Augment({toMathML:function(c){return(c||"")+"&"+this.data[0]+";<!-- "+this.toString()+" -->"}});a.xml.Augment({toMathML:function(c){return(c||"")+this.toString()}});MathJax.Hub.Register.StartupHook("TeX mathchoice Ready",function(){a.TeXmathchoice.Augment({toMathML:function(c){return this.Core().toMathML(c)}})});MathJax.Hub.Startup.signal.Post("toMathML Ready")});MathJax.Ajax.loadComplete("[MathJax]/extensions/toMathML.js");