From 4292f9ed6bd2b57ceb740bf475d0aafbd7a8cb63 Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Mon, 20 Apr 2015 08:27:43 -0400
Subject: [PATCH] Don't insert mstyle in InternalMath() when not necessary.

---
 unpacked/jax/input/TeX/jax.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/unpacked/jax/input/TeX/jax.js b/unpacked/jax/input/TeX/jax.js
index 4b121102e..03ca9f082 100644
--- a/unpacked/jax/input/TeX/jax.js
+++ b/unpacked/jax/input/TeX/jax.js
@@ -1679,7 +1679,7 @@
         }
         var text = string.substr(this.i,i-this.i);
         if (!text.match(/^\s*\\text[^a-zA-Z]/)) {
-          this.Push.apply(this,this.InternalMath(text));
+          this.Push.apply(this,this.InternalMath(text,0));
           this.i = i;
         }
       }
@@ -2054,8 +2054,11 @@
         if (match !== '') TEX.Error(["MathNotTerminated","Math not terminated in text box"]);
       }
       if (k < text.length) mml.push(this.InternalText(text.slice(k),def));
-      var mml = [MML.mstyle.apply(MML,mml).With({displaystyle:false})];
-      if (level != null) mml[0].scriptlevel = level;
+      if (level != null) {
+        mml = [MML.mstyle.apply(MML,mml).With({displaystyle:false,scriptlevel:level})];
+      } else if (mml.length > 1) {
+        mml = [MML.mrow.apply(MML,mml)];
+      }
       return mml;
     },
     InternalText: function (text,def) {