[docs] [issue27242] Make the docs for NotImplemented & NotImplementedError unambiguous

[Ethan Furman]

Ethan Furman added the comment:

Did a little rewording and trimming (and formatting).  Tried to keep the ideas while not being so verbose.

----------
Added file: http://bugs.python.org/file43977/issue27242.stoneleaf.01.patch

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27242>
_______________________________________