[src/trunk]: src/usr.bin/vmstat Document vmstat -w -1 is accepted.

[sevan <sevan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3a1467477c27
branches:  trunk
changeset: 446450:3a1467477c27
user:      sevan <sevan%NetBSD.org@localhost>
date:      Wed Dec 05 23:42:23 2018 +0000

description:
Document vmstat -w -1 is accepted.
via FreeBSD.

diffstat:

 usr.bin/vmstat/vmstat.1 |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r 134a2408990c -r 3a1467477c27 usr.bin/vmstat/vmstat.1
--- a/usr.bin/vmstat/vmstat.1   Wed Dec 05 22:42:55 2018 +0000
+++ b/usr.bin/vmstat/vmstat.1   Wed Dec 05 23:42:23 2018 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: vmstat.1,v 1.21 2018/12/05 10:35:14 sevan Exp $
+.\"    $NetBSD: vmstat.1,v 1.22 2018/12/05 23:42:23 sevan Exp $
 .\"
 .\" Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -186,6 +186,11 @@
 If no repeat
 .Ar count
 is specified, the default is infinity.
+The
+.Nm
+command will accept and honor a negative number of
+.Ar wait
+seconds.
 .El
 .Pp
 By default,