[src/trunk]: src/usr.bin/head Add EXIT STATUS section. Use Ex.

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

details:   https://anonhg.NetBSD.org/src/rev/044578f1b048
branches:  trunk
changeset: 825221:044578f1b048
user:      wiz <wiz%NetBSD.org@localhost>
date:      Tue Jul 04 06:59:34 2017 +0000

description:
Add EXIT STATUS section. Use Ex.

diffstat:

 usr.bin/head/head.1 |  8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diffs (22 lines):

diff -r c16193f26f4e -r 044578f1b048 usr.bin/head/head.1
--- a/usr.bin/head/head.1       Tue Jul 04 06:58:55 2017 +0000
+++ b/usr.bin/head/head.1       Tue Jul 04 06:59:34 2017 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: head.1,v 1.13 2017/07/03 21:34:19 wiz Exp $
+.\"    $NetBSD: head.1,v 1.14 2017/07/04 06:59:34 wiz Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -65,10 +65,8 @@
 The
 .Fl q
 flag disables the printing of the header in all cases.
-.Pp
-The
-.Nm
-utility exits 0 on success, and >0 if an error occurs.
+.Sh EXIT STATUS
+.Ex -std head
 .Sh COMPATIBILITY
 The historic command line syntax of
 .Nm