[docs] Patch to enhance literal block language declaration (issue 26462)

[zachary.ware at gmail.com]

LGTM, just one minor nit.


http://bugs.python.org/review/26462/diff/16666/Doc/whatsnew/3.2.rst
File Doc/whatsnew/3.2.rst (right):

http://bugs.python.org/review/26462/diff/16666/Doc/whatsnew/3.2.rst#newcode2048
Doc/whatsnew/3.2.rst:2048: .. code-block:: none
This can be 'doscon' instead of 'none'.

http://bugs.python.org/review/26462/