Highlight non-ASCII decorators only for Python 3

CHANGES.txt

+Revision 3.3.7 (2014-12-27):
+
+    - Add support for Python 3 non-ASCII decorator names.
+      Patch by Victor Salgado
+
 Revision 3.3.6 (2013-11-18):
 
     - Highlight 'yield from' statement introduced in Python 3.3. Reported by

README.rst

 - Marc Weber
 - Pedro Algarvio
 - pydave at GitHub
+- Victor Salgado
 - Will Gray
 - Yuri Habrusiev

syntax/python.vim

 " Language:     Python
 " Maintainer:   Dmitry Vasiliev <dima at hlabs dot org>
 " URL:          https://github.com/hdima/python-syntax
-" Last Change:  2013-11-18
+" Last Change:  2014-12-27
 " Filenames:    *.py
-" Version:      3.3.6
+" Version:      3.3.7
 "
 " Based on python.vim (from Vim 6.1 distribution)
 " by Neil Schemenauer <nas at python dot ca>
 "   Marc Weber
 "   Pedro Algarvio
 "   pydave at GitHub
+"   Victor Salgado
 "   Will Gray
 "   Yuri Habrusiev
 "
 "
 
 syn match   pythonDecorator	"@" display nextgroup=pythonDottedName skipwhite
-syn match   pythonDottedName "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\)*" display contained
+if s:Python2Syntax()
+  syn match   pythonDottedName "[a-zA-Z_][a-zA-Z0-9_]*\%(\.[a-zA-Z_][a-zA-Z0-9_]*\)*" display contained
+else
+  syn match   pythonDottedName "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\%(\.\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*\)*" display contained
+endif
 syn match   pythonDot        "\." display containedin=pythonDottedName
 
 "

test.py

 
 @ decoratorname
 @ object.__init__(arg1, arg2)
+@ декоратор
 @ декоратор.décorateur
 
 # Numbers