From 26ec1be24a820327d00e22fb65764a3dc06977e2 Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Fri, 6 Jun 2008 18:00:01 -0700
Subject: concat should ignore nil

---
 actionpack/lib/action_view/helpers/text_helper.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'actionpack/lib/action_view/helpers/text_helper.rb')

diff --git a/actionpack/lib/action_view/helpers/text_helper.rb b/actionpack/lib/action_view/helpers/text_helper.rb
index 3be4843386..f81f7eded6 100644
--- a/actionpack/lib/action_view/helpers/text_helper.rb
+++ b/actionpack/lib/action_view/helpers/text_helper.rb
@@ -26,7 +26,7 @@ module ActionView
       #       # will either display "Logged in!" or a login link
       #   %>
       def concat(string)
-        if @output_buffer
+        if @output_buffer && string
           @output_buffer << string
         else
           string
-- 
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