From d7fbddd945560e457213a61458fa1fc13989d824 Mon Sep 17 00:00:00 2001
From: Kris Maglione <maglione.k@gmail.com>
Date: Thu, 27 Jan 2011 22:17:34 -0500
Subject: [PATCH] Fix stupid error thrown on FF36 when trying to delete a
 nonexistent attribute from a DOM object.

---
 common/content/events.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/content/events.js b/common/content/events.js
index 3b93df55..479898d7 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -992,7 +992,8 @@ var Events = Module("events", {
         */
 
         input: function onInput(event) {
-            delete event.originalTarget.dactylKeyPress;
+            if (event.originalTarget.dactylKeyPress)
+                delete event.originalTarget.dactylKeyPress;
         },
 
         // this keypress handler gets always called first, even if e.g.