note that our date supports traditional bsd date format, which is

different to what posix/xpg specifies;

diff originally posted to tech, changed after some feedback from
kettenis, then a bit more from schwarze and sobrado;

ok schwarze sobrado

diff --git a/bin/date/date.1 b/bin/date/date.1
index bf27680..4775652 100644 (file)
--- a/bin/date/date.1
+++ b/bin/date/date.1
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: date.1,v 1.59 2011/08/31 08:48:40 jmc Exp $
+.\"    $OpenBSD: date.1,v 1.60 2014/01/03 15:52:04 jmc Exp $
 .\"    $NetBSD: date.1,v 1.12 1996/03/12 04:32:37 phil Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
@@ -33,7 +33,7 @@
 .\"
 .\"     @(#)date.1     8.3 (Berkeley) 4/28/95
 .\"
-.Dd $Mdocdate: August 31 2011 $
+.Dd $Mdocdate: January 3 2014 $
 .Dt DATE 1
 .Os
 .Sh NAME
@@ -224,6 +224,14 @@ specification.
 The flags
 .Op Fl adjrtz
 are extensions to that specification.
+.Pp
+This implementation requires the traditional
+.Bx
+date format,
+[[[[[cc]yy]mm]dd]HH]MM[.SS],
+which differs from the
+.St -xpg4
+specification.
 .Sh HISTORY
 A
 .Nm