K 10
svn:author
V 7
delphij
K 8
svn:date
V 27
2015-01-23T18:42:05.510558Z
K 7
svn:log
V 177
MFC r275918:

Sync with NetBSD, mainly address NetBSD bug #43355:

Fix valid_format() to be more careful about allowing only valid
printf formats.

Obtained from:        NetBSD

END