[docs] [issue27202] make doctest fails on 2.7 release notes

Martin Panter added the comment: Since I stuck my neck out, I will say that this seems reasonable to me. We could probably still run doctest in the actual 2.7 branch to detect any errors there. ---------- stage: -> patch review versions: +Python 3.5 _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue27202> _______________________________________