[src/trunk]: src/bin/date sync with tzcode-2018c

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

details:   https://anonhg.NetBSD.org/src/rev/184d3344b892
branches:  trunk
changeset: 359016:184d3344b892
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Jan 25 18:07:17 2018 +0000

description:
sync with tzcode-2018c

diffstat:

 bin/date/date.1 |  19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)

diffs (49 lines):

diff -r 1d89a3f126f8 -r 184d3344b892 bin/date/date.1
--- a/bin/date/date.1   Thu Jan 25 17:41:49 2018 +0000
+++ b/bin/date/date.1   Thu Jan 25 18:07:17 2018 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: date.1,v 1.45 2017/07/03 21:33:22 wiz Exp $
+.\"    $NetBSD: date.1,v 1.46 2018/01/25 18:07:17 christos Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"     @(#)date.1     8.3 (Berkeley) 4/28/95
 .\"
-.Dd August 11, 2016
+.Dd January 25, 2018
 .Dt DATE 1
 .Os
 .Sh NAME
@@ -166,16 +166,29 @@
 for more information.
 .El
 .Sh FILES
-.Bl -tag -width /var/log/messages -compact
+.Bl -tag -width /usr/share/zoneinfo/posixrules -compact
 .It Pa /etc/localtime
 Symlink pointing to system's default timezone information file in
 .Pa /usr/share/zoneinfo
 directory.
+.It Pa /usr/lib/locale/<L>/LC_TIME
+Description of time locale <L>.
+.It Pa /usr/share/zoneinfo
+Time zone information directory.
+.It Pa /usr/share/zoneinfo/posixrules
+Used with POSIX-style TZ's.
+.It Pa /usr/share/zoneinfo/GMT
+For UTC leap seconds.
 .It Pa /var/log/wtmp
 A record of date resets and time changes.
 .It Pa /var/log/messages
 A record of the user setting the time.
 .El
+.Pp
+If 
+.Pa /usr/share/zoneinfo/GMT
+is absent, UTC leap seconds are loaded from
+.Pa /usr/share/zoneinfo/posixrules .
 .Sh EXAMPLES
 The command:
 .Bd -literal -offset indent