[issue20661] 3.4 cherry-pick: eef7899ea7ab use system doc toolchain instead of checking out of svn

[Ned Deily]

Ned Deily added the comment:

Also Martin should give his blessing wrt the Windows installer builds.

----------
nosy: +loewis

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20661>
_______________________________________