Issue 2457 - Don`t escape translatable attributes twice

cms/converters.py

 # coding: utf-8
 
 # This file is part of the Adblock Plus web scripts,
 # Copyright (C) 2006-2015 Eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
@@ skipping 132 matching lines @@
 
     # Insert fixed strings
     for i in range(len(fixed_strings)):
       result = re.sub(r"\{%d\}" % (i + 1), fixed_strings[i], result, 1)
 
     # Insert attributes
     result = escape(result)
     def stringify_attribute((name, value)):
       return '%s="%s"' % (
         escape(name),
-        escape(self.insert_localized_strings(value, escapes))
+        escape(self.insert_localized_strings(value, {}))
       )
 
     for tag in self.whitelist:
       saved = saved_attributes.get(tag, [])
       for attrs in saved:
         attrs = map(stringify_attribute, attrs)
         result = re.sub(
           r"%s([^<>]*?)%s" % (re_escape("<%s>" % tag), re_escape("</%s>" % tag)),
           r'<%s%s>\1</%s>' % (tag, " " + " ".join(attrs) if attrs else "", tag),
           result, 1, flags=re.S
@@ skipping 235 matching lines @@
         stack.pop()
       stack[-1]["subitems"].append(item)
       stack.append(item)
     return structured
 
 converters = {
   "html": RawConverter,
   "md": MarkdownConverter,
   "tmpl": TemplateConverter,
 }