From 5a283759cc02dbdf4ec55188e88f46bb2d8f3102 Mon Sep 17 00:00:00 2001
From: Stefan Breunig <stefan@mathphys.fsk.uni-heidelberg.de>
Date: Fri, 22 Mar 2013 19:37:35 +0100
Subject: [PATCH] =?UTF-8?q?I=20said=20=E2=80=9CFIX=20#31=E2=80=9D?=
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---
 code/chat.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/code/chat.js b/code/chat.js
index c8584d9f..8bb97598 100644
--- a/code/chat.js
+++ b/code/chat.js
@@ -26,7 +26,8 @@ window.chat.handleTabCompletion = function() {
 
   var posStart = curPos - word.length;
   var newText = text.substring(0, posStart);
-  newText += '@' + nick + ' ';
+  var atPresent = text.substring(posStart-1, posStart) === '@';
+  newText += (atPresent ? '' : '@') + nick + ' ';
   newText += text.substring(curPos);
   el.val(newText);
 }