From 3fca1a65052dbf02cf920c8311211896f4c5b30c Mon Sep 17 00:00:00 2001
From: joerg <joerg@NetBSD.org>
Date: Fri, 21 Dec 2007 14:21:42 +0000
Subject: [PATCH] Document ISO format "cal 2007-12", leave "cal 2007/12"
 undocumented intentionally.

---
 usr.bin/cal/cal.1 | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/usr.bin/cal/cal.1 b/usr.bin/cal/cal.1
index 9100d0c1af9c..0f3e6d3b3d05 100644
--- a/usr.bin/cal/cal.1
+++ b/usr.bin/cal/cal.1
@@ -1,4 +1,4 @@
-.\"	$NetBSD: cal.1,v 1.18 2003/08/07 11:13:13 agc Exp $
+.\"	$NetBSD: cal.1,v 1.19 2007/12/21 14:21:42 joerg Exp $
 .\"
 .\" Copyright (c) 1989, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"     @(#)cal.1	8.2 (Berkeley) 4/28/95
 .\"
-.Dd July 23, 2003
+.Dd December 21, 2007
 .Dt CAL 1
 .Os
 .Sh NAME
@@ -105,15 +105,13 @@ Same as
 .Dq Fl A Ar 1 Fl B Ar 1 .
 .El
 .Pp
-A single parameter specifies the year (1 - 9999) to be displayed;
-note the year must be fully specified:
-.Dq Li cal 89
-will
-.Em not
-display a calendar for 1989.
-Two parameters denote the month (1 - 12) and year.
 If no parameters are specified, the current month's calendar is
 displayed.
+A single parameter specifies the year and optionally the month
+in ISO format:
+.Dq Li cal 2007-12
+Two parameters denote the month (1 - 12) and year.
+Note that the century must be included in the year.
 .Pp
 A year starts on Jan 1.
 .Sh NOTES