[issue8899] Add docstrings to time.struct_time

[Georg Brandl]

Georg Brandl <georg at python.org> added the comment:

The first change in time.rst is not needed; there the sentence is not a direct description of struct_time.  The rest is good to commit.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8899>
_______________________________________