[issue17259] Document round half to even rule for floats

[alexd2]

alexd2 added the comment:

Note:
I have python2.7.3 in Ubuntu 12.04.3 installed in a VirtualBox VM on a Windows 7 32-bit and an Intel(R) Core(TM)2 Duo CPU U9300 @ 1.20GHz (2 CPUs), ~1.2GHz processor

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17259>
_______________________________________