From 39ca50905cb44d810cc4f1c2064d38d15c885956 Mon Sep 17 00:00:00 2001
From: Martin Stubenschrott <stubenschrott@gmx.net>
Date: Thu, 27 Sep 2007 18:57:48 +0000
Subject: [PATCH] :echo without arg should output an empty string instead of
 undefined

---
 chrome/content/vimperator/commands.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/chrome/content/vimperator/commands.js b/chrome/content/vimperator/commands.js
index 613b8ccd..ae3d1ac6 100644
--- a/chrome/content/vimperator/commands.js
+++ b/chrome/content/vimperator/commands.js
@@ -486,6 +486,9 @@ function Commands() //{{{
 
     function argToString(arg, color)
     {
+        if (!arg)
+            return "";
+
         try
         {
             // TODO: move to vimperator.eval()?