K 10
svn:author
V 4
ngie
K 8
svn:date
V 27
2017-07-17T17:36:04.432347Z
K 7
svn:log
V 241
Don't emit "diff: diff <options> arguments" when diffing files if
-q is specified.

This improves compatibility with GNU diff.

Found by accident with `diff -Nrq /usr/tests /usr/tests.new | grep Kyuafile`.

MFC after:	2 months
Relnotes:	yes

END