From 5353ab60cad4620b032edd9f161ee5b645c58f2b Mon Sep 17 00:00:00 2001
From: Santiago Pastorino <santiago@wyeworks.com>
Date: Sun, 23 May 2010 20:18:11 -0300
Subject: [PATCH] Revert "Revert "concat should check the input if escape or
 not using SafeBuffer concat method""

This reverts commit 4cee99a3b69cd51d28f4d32e28af851f59724e5f.

Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>
---
 lib/rails_xss_helper.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/rails_xss_helper.rb b/lib/rails_xss_helper.rb
index c688988..262577e 100644
--- a/lib/rails_xss_helper.rb
+++ b/lib/rails_xss_helper.rb
@@ -31,6 +31,15 @@ def link_to(*args, &block)
 
 module ActionView
   module Helpers
+    module TextHelper
+      def concat(string, unused_binding = nil)
+        if unused_binding
+          ActiveSupport::Deprecation.warn("The binding argument of #concat is no longer needed.  Please remove it from your views and helpers.", caller)
+        end
+
+        output_buffer.concat(string)
+      end
+    end
     module TagHelper
       private
         def content_tag_string_with_escaping(name, content, options, escape = true)