From cb105bc799f112e1b36930d7add73a343c3b4a99 Mon Sep 17 00:00:00 2001
From: UncleBill
Date: Mon, 15 Apr 2013 23:59:18 +0800
Subject: fix issue #772

---
 background_scripts/main.coffee | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'background_scripts')

diff --git a/background_scripts/main.coffee b/background_scripts/main.coffee
index c750162e..14e08533 100644
--- a/background_scripts/main.coffee
+++ b/background_scripts/main.coffee
@@ -90,6 +90,8 @@ root.addExcludedUrl = (url) ->
   return unless url = url.trim()
 
   excludedUrls = Settings.get("excludedUrls")
+  return unless excludedUrls.indexOf(url) < 0
+
   excludedUrls += "\n" + url
   Settings.set("excludedUrls", excludedUrls)
 
-- 
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