Merged r1930 from trunk.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/0.7-stable@2173 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redcloth.rb

@@ -1027,7 +1027,7 @@ class RedCloth < String
                     else
                         htmlesc( aftertag, :NoQuotes ) if aftertag and not used_offtags['notextile']
                         line = "<redpre##{ @pre_list.length }>"
-                        @pre_list << "#{ $3 }#{ aftertag }"
+                        @pre_list << "#{ $3.gsub(/<(#{ OFFTAGS })[^>]*>/, '<\\1>') }#{ aftertag }"
                     end
                 elsif $1 and codepre > 0
                     if codepre - used_offtags.length > 0