[docs] [issue12760] Add create mode to open()

[David Townshend]

David Townshend <aquavitae69 at gmail.com> added the comment:

Changing form 'c' to 'x' is easy enough, and if there is already a convention it makes sense to stick to it.

I thought I had done a mercurial diff! I'll try again and resubmit.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12760>
_______________________________________