===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/diff/diff.1,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -r1.18 -r1.19
--- src/usr.bin/diff/diff.1	2003/07/22 01:23:51	1.18
+++ src/usr.bin/diff/diff.1	2003/07/27 07:39:52	1.19
@@ -1,4 +1,4 @@
-.\" $OpenBSD: diff.1,v 1.18 2003/07/22 01:23:51 millert Exp $
+.\" $OpenBSD: diff.1,v 1.19 2003/07/27 07:39:52 otto Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -37,7 +37,7 @@
 .Nd differential file and directory comparator
 .Sh SYNOPSIS
 .Nm diff
-.Op Fl abilqtTw
+.Op Fl abdilqtTw
 .Oo
 .Fl c | Fl e | Fl f |
 .Fl n | Fl u
@@ -45,21 +45,21 @@
 .Op Fl L Ar label
 .Ar file1 file2
 .Nm diff
-.Op Fl abilqtTw
+.Op Fl abdilqtTw
 .Op Fl L Ar label
 .Fl C Ar number
 .Ar file1 file2
 .Nm diff
-.Op Fl abilqtw
+.Op Fl abdilqtw
 .Fl D Ar string
 .Ar file1 file2
 .Nm diff
-.Op Fl abilqtTw
+.Op Fl abdilqtTw
 .Op Fl L Ar label
 .Fl U Ar number
 .Ar file1 file2
 .Nm diff
-.Op Fl abilNqtTw
+.Op Fl abdilNqtTw
 .Oo
 .Fl c | Fl e | Fl f |
 .Fl n | Fl u
@@ -105,7 +105,12 @@
 Lines which are changed from one file to the other are marked in
 both files with
 .Sq !\ \& .
-Changes which lie within 3 lines of each other are grouped together on output.
+Changes which lie within 3 lines of each other are grouped together on
+output.
+.It Fl d
+Try very hard to produce a diff as small as possible. This may consume a
+lot of processing power and memory when processing large files with
+many changes.
 .It Fl e
 Produces output in a form suitable as input for the editor utility,
 .Xr ed 1 ,