K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2018-05-06T16:00:01.266521Z
K 7
svn:log
V 294
Work around a race in sphinx.

Create the target directory before calling sphinx to render
content into it.  Sphinx suffers from a race where it crashes with an
exception if it tries to make a directory and someone else does first.

PR:		227460
Reported by:	ohartmann@walstatt.org
MFH:		2018Q2

END