-#!/bin/sh
+#! /bin/sh
#
# Enhanced sccs diff utility for use with vc mode.
# This version is more compatible with rcsdiff(1).
#
-# $Id: vcdiff,v 1.3 1993/08/25 08:18:56 eggert Exp eggert $
+# Copyright (C) 1992, 1993, 1995, 1997, 2001
+# Free Software Foundation, Inc.
+#
+# This file is part of GNU Emacs.
+#
+# GNU Emacs is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# GNU Emacs is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Emacs; see the file COPYING. If not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+# $Id: vcdiff,v 1.6 1997/01/01 05:33:42 eggert Exp $
#
DIFF="diff"
usage="$0: Usage: vcdiff [--brief] [-q] [-r<sid1>] [-r<sid2>] [diffopts] sccsfile..."
-PATH=$PATH:/usr/ccs/bin:/usr/sccs # common SCCS hangouts
+PATH=$PATH:/usr/ccs/bin:/usr/sccs:/usr/xpg4/bin # common SCCS hangouts
echo=
-sid1=-r sid2=
+sid1= sid2=
for f
do
echo=:;;
-r?*)
case $sid1 in
- -r)
+ '')
sid1=$f
;;
*)