From 779be27960023151f84ddf35b97fc430013e4540 Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Wed, 17 Apr 2013 07:36:28 -0400
Subject: [PATCH] Process \$ in \text arguements.  Resolves issue #349.

---
 unpacked/jax/input/TeX/config.js | 2 +-
 unpacked/jax/input/TeX/jax.js    | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/unpacked/jax/input/TeX/config.js b/unpacked/jax/input/TeX/config.js
index 7329e0430..522d7cff5 100644
--- a/unpacked/jax/input/TeX/config.js
+++ b/unpacked/jax/input/TeX/config.js
@@ -24,7 +24,7 @@
 
 MathJax.InputJax.TeX = MathJax.InputJax({
   id: "TeX",
-  version: "2.1.2",
+  version: "2.1.3",
   directory: MathJax.InputJax.directory + "/TeX",
   extensionDir: MathJax.InputJax.extensionDir + "/TeX",
   
diff --git a/unpacked/jax/input/TeX/jax.js b/unpacked/jax/input/TeX/jax.js
index a51889368..3e761bedd 100644
--- a/unpacked/jax/input/TeX/jax.js
+++ b/unpacked/jax/input/TeX/jax.js
@@ -1899,7 +1899,7 @@
     InternalMath: function (text,level) {
       var def = {displaystyle: false}; if (level != null) {def.scriptlevel = level}
       if (this.stack.env.font) {def.mathvariant = this.stack.env.font}
-      if (!text.match(/\$|\\\(|\\(eq)?ref\s*\{/)) {return [this.InternalText(text,def)]}
+      if (!text.match(/\\?\$|\\\(|\\(eq)?ref\s*\{/)) {return [this.InternalText(text,def)]}
       var i = 0, k = 0, c, match = '';
       var mml = [];
       while (i < text.length) {
@@ -1927,6 +1927,8 @@
             } else if (c === ')' && match === ')') {
               mml.push(MML.TeXAtom(TEX.Parse(text.slice(k,i-2),{}).mml().With(def)));
               match = ''; k = i;
+            } else if (c === '$' && match === '')  {
+              i--; text = text.substr(0,i-1) + text.substr(i); // remove \ from \$
             }
           }
         }