K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2017-04-19T18:11:08.509578Z
K 7
svn:log
V 195
makeman: add a comment describing purpose and invocation

Reviewed by:	jhb, ngie
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D10389

END