From 1547c8b6e59aa82eaec4f4c98a814d7648d7e4a8 Mon Sep 17 00:00:00 2001
From: Lance Campbell <lkcampbell@gmail.com>
Date: Tue, 8 Apr 2014 08:51:15 -0700
Subject: [PATCH] Only fire event when there is an adjustment in font size

---
 src/view/ViewCommandHandlers.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/view/ViewCommandHandlers.js b/src/view/ViewCommandHandlers.js
index 2e7806d4e..b2e65cfd7 100644
--- a/src/view/ViewCommandHandlers.js
+++ b/src/view/ViewCommandHandlers.js
@@ -120,7 +120,10 @@ define(function (require, exports, module) {
         delta = /em$/.test(oldFontSize) ? 10 : 1;
         newFontSize = $(".CodeMirror").css("font-size");
         adjustment = parseInt((parseFloat(newFontSize) - parseFloat(oldFontSize)) * delta, 10);
-        $(exports).triggerHandler("fontSizeChange", [adjustment, newFontSize]);
+        
+        if (adjustment) {
+            $(exports).triggerHandler("fontSizeChange", [adjustment, newFontSize]);
+        }
         
         // Calculate the new scroll based on the old font sizes and scroll position
         var newWidth   = editor._codeMirror.defaultCharWidth(),