[docs] [issue28755] Rework syntax highlighing in howto/clinic.rst

Julien Palard added the comment: Just rebasing my patch on tip as it does no longer cleanly apply. ---------- Added file: http://bugs.python.org/file45795/issue28755-3.diff _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue28755> _______________________________________