From a5f09d01f6167f99683b78cc59c5dfe7ea71d5c4 Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Sat, 15 Feb 2014 17:49:16 -0500
Subject: [PATCH] Fix string character reference to work with IE7.  Resolves
 issue #624.

---
 unpacked/extensions/TeX/AMScd.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unpacked/extensions/TeX/AMScd.js b/unpacked/extensions/TeX/AMScd.js
index 51620c158..9ae7dc9d3 100644
--- a/unpacked/extensions/TeX/AMScd.js
+++ b/unpacked/extensions/TeX/AMScd.js
@@ -66,7 +66,7 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
     },
 
     CD_arrow: function (name) {
-      var c = this.string[this.i];
+      var c = this.string.charAt(this.i);
       if (!c.match(/[><VA.|=]/)) {return this.Other(name)} else {this.i++}
 
       var top = this.stack.Top();