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

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7976 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redcloth3.rb

         end
     end
 
-    def rip_offtags( text, escape_aftertag=true )
+    def rip_offtags( text, escape_aftertag=true, escape_line=true )
         if text =~ /<.*>/
             ## strip and encode <pre> content
             codepre, used_offtags = 0, {}
                     codepre += 1
                     used_offtags[offtag] = true
                     if codepre - used_offtags.length > 0
-                        htmlesc( line, :NoQuotes )
+                        htmlesc( line, :NoQuotes ) if escape_line
                         @pre_list.last << line
                         line = ""
                     else
                     end
                 elsif $1 and codepre > 0
                     if codepre - used_offtags.length > 0
-                        htmlesc( line, :NoQuotes )
+                        htmlesc( line, :NoQuotes ) if escape_line
                         @pre_list.last << line
                         line = ""
                     end

lib/redmine/wiki_formatting/textile/formatter.rb

         def extract_sections(index)
           @pre_list = []
           text = self.dup
-          rip_offtags text, false
+          rip_offtags text, false, false
           before = ''
           s = ''
           after = ''

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

   end
 </code></pre>
 
+<pre><code><pre><code class=\"ruby\">
+  Place your code here.
+</code></pre>
+</code></pre>
+
 Morbi facilisis accumsan orci non pharetra.
 
 <pre>