document that -k may be specified multiple times,

and the effect of doing so;

ok otto@

1 files changed, 5 insertions, 1 deletions

diff --git a/usr.bin/sort/sort.1 b/usr.bin/sort/sort.1
index f5a188eb031..636d28c7d03 100644
--- a/usr.bin/sort/sort.1
+++ b/usr.bin/sort/sort.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sort.1,v 1.24 2005/10/04 11:26:43 jmc Exp $
+.\"	$OpenBSD: sort.1,v 1.25 2005/10/04 15:12:01 jmc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -172,6 +172,10 @@ and optional ending position,
 of a key field.
 The
 .Fl k
+option may be specified multiple times,
+in which case subsequent keys are compared after earlier keys compare equal.
+The
+.Fl k
 option replaces the obsolescent options
 .Cm \(pl Ns Ar pos1
 and