From fc5478799be56aa23cdbe787ccdedeac0da146b0 Mon Sep 17 00:00:00 2001
From: Sergey Nartimov <just.lest@gmail.com>
Date: Thu, 26 Jan 2012 01:11:24 +0300
Subject: do not modify options in image_tag

---
 actionpack/lib/action_view/helpers/asset_tag_helper.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'actionpack/lib/action_view')

diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
index 251b8f8005..93092ceeb4 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
@@ -355,8 +355,8 @@ module ActionView
       #    <img src="/images/mouse.png" onmouseover="this.src='/images/mouse_over.png'" onmouseout="this.src='/images/mouse.png'" alt="Mouse" />
       #  image_tag("mouse.png", :mouseover => image_path("mouse_over.png")) # =>
       #    <img src="/images/mouse.png" onmouseover="this.src='/images/mouse_over.png'" onmouseout="this.src='/images/mouse.png'" alt="Mouse" />
-      def image_tag(source, options = {})
-        options.symbolize_keys!
+      def image_tag(source, options={})
+        options = options.dup.symbolize_keys!
 
         src = options[:src] = path_to_image(source)
 
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