[src/trunk]: src/bin/sh Mark up NULL with Dv.

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

details:   https://anonhg.NetBSD.org/src/rev/f5748df7812c
branches:  trunk
changeset: 985881:f5748df7812c
user:      wiz <wiz%NetBSD.org@localhost>
date:      Sun Sep 12 06:53:08 2021 +0000

description:
Mark up NULL with Dv.

diffstat:

 bin/sh/sh.1 |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (20 lines):

diff -r d260a6e107fd -r f5748df7812c bin/sh/sh.1
--- a/bin/sh/sh.1       Sun Sep 12 03:58:52 2021 +0000
+++ b/bin/sh/sh.1       Sun Sep 12 06:53:08 2021 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sh.1,v 1.232 2021/09/12 02:20:36 kre Exp $
+.\"    $NetBSD: sh.1,v 1.233 2021/09/12 06:53:08 wiz Exp $
 .\" Copyright (c) 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
 .\"
@@ -3032,7 +3032,9 @@
 .Ar title
 is omitted or a null string,
 .Xr setproctitle 3
-is called with a NULL format.
+is called with a
+.Dv NULL
+format.
 .Pp
 These options are mutually exclusive, the last specified is used.
 .Pp