K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2017-11-28T01:35:28.433902Z
K 7
svn:log
V 185
Update vis(3) the latest from NetBSD.

This adds VIS_DQ for compatiblity with OpenBSD.

Correct by an off-by-one error and a read buffer overflow detected using
asan.

MFC after:	1 day

END