document which keywords are posix conformant;

ok guenther sobrado

diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index 645a3df..c7f4956 100644 (file)
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: ps.1,v 1.93 2014/05/17 06:26:44 jmc Exp $
+.\"    $OpenBSD: ps.1,v 1.94 2014/05/21 06:01:19 jmc Exp $
 .\"    $NetBSD: ps.1,v 1.16 1996/03/21 01:36:28 jtc Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1991, 1993, 1994
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)ps.1       8.3 (Berkeley) 4/18/94
 .\"
-.Dd $Mdocdate: May 17 2014 $
+.Dd $Mdocdate: May 21 2014 $
 .Dt PS 1
 .Os
 .Sh NAME
@@ -596,6 +596,25 @@ The flags
 .Op Fl CcHhjkLMmNOrSTwx
 are extensions to
 .St -p1003.1-2008 .
+.Pp
+Only the following keywords are recognised by
+.St -p1003.1-2008 :
+.Cm args ,
+.Cm comm ,
+.Cm etime ,
+.Cm group ,
+.Cm nice ,
+.Cm pcpu ,
+.Cm pgid ,
+.Cm pid ,
+.Cm ppid ,
+.Cm rgroup ,
+.Cm ruser ,
+.Cm time ,
+.Cm tty ,
+.Cm user ,
+and
+.Cm vsz .
 .Sh HISTORY
 A
 .Nm