#!/usr/bin/perl
#
-# Copyright (C) 1995-9, 2003 Ian Jackson <ijackson@chiark.greenend.org.uk>
-# Copyright (C) 1999, 2003
-# Chancellor Masters and Scholars of the University of Cambridge
-#
-# Improved by Ben Harris <bjh21@cam.ac.uk> in 1999 and 2003 for Unix
-# Support's own nefarious purposes.
+# Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
+# Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
+# Copyright 1999,2003
+# Chancellor Masters and Scholars of the University of Cambridge
+# Copyright 2010 Tony Finch <fanf@dotat.at>
#
# This 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.
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
#
-# It 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.
+# This program 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.
#
-# $Id$
+# You should have received a copy of the GNU General Public License
+# along with userv-utils; if not, see http://www.gnu.org/licenses/.
sub usage {
&unlock;