Fixed: Wiki section edit escapes code tags inside pre blocks (#9673).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7975 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/wiki_formatting/textile/formatter.rb

             end
           end
           sections = [before.strip, s.strip, after.strip]
-          sections.each {|section| smooth_offtags section}
+          sections.each {|section| smooth_offtags_without_code_highlighting section}
           sections
         end
 
           text.gsub!( /(.)\n(?!\n|\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
         end
 
+        alias :smooth_offtags_without_code_highlighting :smooth_offtags
         # Patch to add code highlighting support to RedCloth
         def smooth_offtags( text )
           unless @pre_list.empty?

test/unit/lib/redmine/wiki_formatting/textile_formatter_test.rb

   # 1
 "h2. Heading 2
 
+<pre><code class=\"ruby\">
+  def foo
+  end
+</code></pre>
+
 Morbi facilisis accumsan orci non pharetra.
 
 <pre>