===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/diff/diff.1,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -r1.15 -r1.16
--- src/usr.bin/diff/diff.1	2003/07/21 23:18:21	1.15
+++ src/usr.bin/diff/diff.1	2003/07/22 01:16:01	1.16
@@ -1,4 +1,4 @@
-.\" $OpenBSD: diff.1,v 1.15 2003/07/21 23:18:21 millert Exp $
+.\" $OpenBSD: diff.1,v 1.16 2003/07/22 01:16:01 millert Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)diff.1	8.1 (Berkeley) 6/30/93
 .\"
-.Dd June 25, 2003
+.Dd July 21, 2003
 .Dt DIFF 1
 .Os
 .Sh NAME
@@ -37,31 +37,35 @@
 .Nd differential file and directory comparator
 .Sh SYNOPSIS
 .Nm diff
-.Op Fl abilqtw
+.Op Fl abilqtTw
 .Oo
 .Fl c | Fl e | Fl f |
 .Fl n | Fl u
 .Oc
+.Op Fl L Ar label
 .Ar file1 file2
 .Nm diff
-.Op Fl abilqtw
-.Op Fl C Ar number
+.Op Fl abilqtTw
+.Op Fl L Ar label
+.Fl C Ar number
 .Ar file1 file2
 .Nm diff
 .Op Fl abilqtw
-.Op Fl D Ar string
+.Fl D Ar string
 .Ar file1 file2
 .Nm diff
-.Op Fl abilqtw
-.Op Fl U Ar number
+.Op Fl abilqtTw
+.Op Fl L Ar label
+.Fl U Ar number
 .Ar file1 file2
 .Nm diff
-.Op Fl abilNqtw
+.Op Fl abilNqtTw
 .Oo
 .Fl c | Fl e | Fl f |
 .Fl n | Fl u
 .Oc
 .Bk -words
+.Op Fl L Ar label
 .Op Fl r
 .Op Fl s
 .Op Fl S Ar name
@@ -178,6 +182,12 @@
 .It Fl b
 Causes trailing blanks (spaces and tabs) to be ignored, and other
 strings of blanks to compare equal.
+.It Fl i
+Ignores the case of letters.
+E.g.,
+.Dq A
+will compare equal to
+.Dq a .
 .It Fl l
 Long output format; each text file
 .Nm diff Ns \'d
@@ -186,12 +196,10 @@
 to paginate it;
 other differences are remembered and summarized
 after all text file differences are reported.
-.It Fl i
-Ignores the case of letters.
-E.g.,
-.Dq A
-will compare equal to
-.Dq a .
+.It Fl L Ar label
+Print
+.Ar label
+instead of the first file name and time in the context or unified diff header.
 .It Fl t
 Will expand tabs in output lines.
 Normal or
@@ -200,6 +208,10 @@
 the indentation of the original source lines and make the output listing
 difficult to interpret.
 This option will preserve the original source's indentation.
+.It Fl T
+Print a tab rather than a space before the rest of the line for the
+normal, context or unified output formats.
+This makes the alignment of tabs in the line consistent.
 .It Fl w
 Is similar to
 .Fl b