--- form_tag_helper.rb  (revision 5317)
+++ form_tag_helper.rb  (working copy)
@@ -18,6 +18,7 @@
       #                         If "put", "delete", or another verb is used, a hidden input with name _method
       #                         is added to simulate the verb over post.
       def form_tag(url_for_options = {}, options = {}, *parameters_for_url, &proc)
+        url_for_options[:escape] ||= false unless url_for_options.kind_of? Hash
         html_options = options.stringify_keys
         html_options["enctype"] = "multipart/form-data" if html_options.delete("multipart")
         html_options["action"]  = url_for(url_for_options, *parameters_for_url)