Make a separate routine to get the contents of a script, and make it work in IE for XHTML files.

unpacked/MathJax.js

@@ -981,7 +981,7 @@ MathJax.HTML = {
   addText: function (span,text) {return span.appendChild(this.TextNode(text))},
 
   //
-  //  Set the text of a script
+  //  Set and get the text of a script
   //
   setScript: function (script,text) {
     if (this.setScriptBug) {script.text = text} else {
@@ -989,6 +989,10 @@ MathJax.HTML = {
       this.addText(script,text);
     }
   },
+  getScript: function (script) {
+    var text = (script.text === "" ? script.innerHTML : script.text);
+    return text.replace(/^\s+/,"").replace(/\s+$/,"");
+  },
 
   //
   //  Manage cookies
@@ -2111,7 +2115,7 @@ MathJax.Hub.Startup = {
     },
     needsUpdate: function (jax) {
       var script = jax.SourceElement();
-      return (jax.originalText !== (script.text == "" ? script.innerHTML : script.text));
+      return (jax.originalText !== BASE.HTML.getScript(script));
     },
     Register: function (mimetype) {
       if (!HUB.inputJax) {HUB.inputJax = {}}
@@ -2201,7 +2205,7 @@ MathJax.Hub.Startup = {
         if (script.id) {this.inputID = script.id}
           else {script.id = this.inputID = BASE.ElementJax.GetID(); this.newID = 1}
       }
-      jax.originalText = (script.text == "" ? script.innerHTML : script.text);
+      jax.originalText = BASE.HTML.getScript(script);
       jax.inputJax = inputJax;
       if (jax.root) {jax.root.inputID = jax.inputID}
       return jax;

unpacked/jax/input/AsciiMath/jax.js

@@ -1258,7 +1258,7 @@ junk = null;
     postfilterHooks:   MathJax.Callback.Hooks(true),   // hooks to run after processing AsciiMath
 
     Translate: function (script) {
-      var mml, math = script.innerHTML.replace(/^\s+/,"").replace(/\s+$/,"");
+      var mml, math = MathJax.HTML.getScript(script);
       var data = {math:math, script:script};
       this.prefilterHooks.Execute(data); math = data.math;
       try {

unpacked/jax/input/MathML/jax.js

@@ -206,10 +206,8 @@
         data.math = script.firstChild;
         this.prefilterHooks.Execute(data); math = data.math;
       } else {
-        math = script.innerHTML.replace(/^\s+/,"").replace(/\s+$/,"");
+        math = MathJax.HTML.getScript(script);
         if (BROWSER.isMSIE) {math = math.replace(/( )+$/,"")}
-        else if (BROWSER.isKonqueror)
-          {math = math.replace(/&lt;/g,"<").replace(/&gt;/g,">").replace(/&amp;/g,"&")}
         data.math = math; this.prefilterHooks.Execute(data); math = data.math;
       }
       try {

unpacked/jax/input/TeX/jax.js

@@ -1980,7 +1980,7 @@
     //  Convert TeX to ElementJax
     //
     Translate: function (script) {
-      var mml, isError = false, math = script.innerHTML.replace(/^\s+/,"").replace(/\s+$/,"");
+      var mml, isError = false, math = MathJax.HTML.getScript(script);
       var display = (script.type.replace(/\n/g," ").match(/(;|\s|\n)mode\s*=\s*display(;|\s|\n|$)/) != null);
       var data = {math:math, display:display, script:script};
       this.prefilterHooks.Execute(data); math = data.math;
@@ -1999,9 +1999,6 @@
       return data.math;
     },
     prefilterMath: function (math,displaystyle,script) {
-      // Konqueror incorrectly quotes these characters in script.innerHTML 
-      if (HUB.Browser.isKonqueror)
-        {math = math.replace(/&lt;/g,"<").replace(/&gt;/g,">").replace(/&amp;/g,"&")}
       return math;
     },
     postfilterMath: function (math,displaystyle,script) {