From e0da83e17250e4043eeb5a36f537f95f6c2adaf7 Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Sat, 1 Jan 2011 17:19:56 -0500
Subject: [PATCH] Allow config parameter and script to both be used together

---
 MathJax.js          |  2 +-
 unpacked/MathJax.js | 25 +++++++++++++++++++++----
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/MathJax.js b/MathJax.js
index 489286597..873a6500e 100644
--- a/MathJax.js
+++ b/MathJax.js
@@ -26,5 +26,5 @@ if (!window.MathJax) {window.MathJax = {}}
 
 MathJax.isPacked = true;
 
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g=navigator.userAgent.replace(/^Mozilla\/(\d+\.)+\d+ /,"").replace(/[a-z][-a-z0-9._: ]+\/\d+[^ ]*-[^ ]*\.([a-z][a-z])?\d+ /i,"").replace(/Gentoo |Ubuntu\/(\d+\.)*\d+ (\([^)]*\) )?/,"");c.Browser=c.Insert(c.Insert(new String("Unknown"),{version:"0.0"}),a);for(var t in a){if(a.hasOwnProperty(t)){if(a[t]&&t.substr(0,2)==="is"){t=t.slice(2);if(t==="Mac"||t==="PC"){continue}c.Browser=c.Insert(new String(t),a);var p=new RegExp(".*(Version)/((?:\\d+\\.)+\\d+)|.*("+t+")"+(t=="MSIE"?" ":"/")+"((?:\\d+\\.)*\\d+)|(?:^|\\(| )([a-z][-a-z0-9._: ]+|WebKit)/((?:\\d+\\.)+\\d+)");var s=p.exec(g)||["","","","unknown","0.0"];c.Browser.name=(s[1]=="Version"?t:(s[3]||s[5]));c.Browser.version=s[2]||s[4]||s[6];break}}}c.Browser.Select({Safari:function(j){var i=parseInt((String(j.version).split("."))[0]);if(i>=526){j.version="4.0"}else{if(i>=525){j.version="3.1"}else{if(i>500){j.version="3.0"}else{if(i>400){j.version="2.0"}else{if(i>85){j.version="1.0"}}}}}},Firefox:function(j){if(j.version==="0.0"&&navigator.product==="Gecko"&&navigator.productSub){var i=navigator.productSub.substr(0,8);if(i>="20090630"){j.version="3.5"}else{if(i>="20080617"){j.version="3.0"}else{if(i>="20061024"){j.version="2.0"}}}}},Opera:function(i){i.version=opera.version()}});c.Browser.Select(MathJax.Message.browsers);c.queue=f.Callback.Queue();c.queue.Push(["Post",q.signal,"Begin"],["Config",q],["Cookie",q],["Styles",q],function(){var i=f.Callback.Queue(q.Jax(),q.Extensions());return i.Push({})},q.onLoad(),function(){MathJax.isReady=true},["Typeset",q],["Post",q.signal,"End"])})("MathJax")}};
 
diff --git a/unpacked/MathJax.js b/unpacked/MathJax.js
index f504c5311..f0ce19829 100644
--- a/unpacked/MathJax.js
+++ b/unpacked/MathJax.js
@@ -1473,6 +1473,9 @@ MathJax.Hub.Startup = {
   //
   Config: function () {
     this.queue.Push(["Post",this.signal,"Begin Config"]);
+    //
+    //  Check for user cookie configuration
+    //
     var user = MathJax.HTML.Cookie.Get("user");
     if (user.URL || user.Config) {
       if (confirm(
@@ -1484,24 +1487,38 @@ MathJax.Hub.Startup = {
         if (user.Config) {MathJax.userConfig = new Function(user.Config)}
       } else {MathJax.HTML.Cookie.Set("user",{})}
     }
+    //
+    //  Run the configuration script, if any
+    //  Then load the config files specified in the parameters
+    //  If neither of the above, load the default configuration file
+    //
+    var loadDefault = true;
     if (this.script.match(/\S/)) {
       this.queue.Push(this.script+";\n1;");
-    } else if (this.params && this.params.config) {
+      loadDefault = false;
+    }
+    if (this.params && this.params.config) {
       var files = this.params.config.split(/,/);
       for (var i = 0, m = files.length; i < m; i++) {
         if (!files[i].match(/\.js$/)) {files[i] += ".js"}
         this.queue.Push(["Require",MathJax.Ajax,this.URL("config",files[i])]);
       }
-    } else {
+      loadDefault = false;
+    }
+    if (loadDefault) {
       this.queue.Push(["Require",MathJax.Ajax,this.URL("config","MathJax.js")]);
     }
-    return this.queue.Push(
+    //
+    //  Delay the startup, if requested,
+    //  then load the files in the configuration's config array
+    //
+    this.queue.Push(
       [function (config,onload) {
         if (config.delayStartupUntil.isCallback) {return config.delayStartupUntil}
         if (config.delayStartupUntil === "onload") {return onload}
         return function () {};
       }, MathJax.Hub.config, this.onload],
-      // use a function here since MathJax.Hub.config.config might change in MathJax.js above
+      // use a function here since MathJax.Hub.config.config might change in files loaded above
       [function (THIS) {return THIS.loadArray(MathJax.Hub.config.config,"config",null,true)},this],
       ["Post",this.signal,"End Config"]
     );