From 3d48c0d68bd8c091990d55e80b5e0b1b74cc295e Mon Sep 17 00:00:00 2001
From: Kris Maglione <maglione.k@gmail.com>
Date: Sat, 30 Jul 2011 05:35:23 -0400
Subject: [PATCH] Assert mode.length == 1 in hints.addMode.

---
 common/content/hints.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/content/hints.js b/common/content/hints.js
index 84ec41a4..c6bb461e 100644
--- a/common/content/hints.js
+++ b/common/content/hints.js
@@ -787,6 +787,7 @@ var Hints = Module("hints", {
      * @optional
      */
     addMode: function (mode, prompt, action, tags) {
+        dactyl.assert(mode.length == 1);
         arguments[1] = UTF8(prompt);
         this.modes[mode] = Hints.Mode.apply(Hints.Mode, arguments);
     },