This program 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 3 of the License, or
(at your option) any later version.

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. 

Comment: You should have received a copy of the GNU General Public License along with this program. If not, see . . On Debian systems, the complete text of the GNU General Public License can be found in `/usr/share/common-licenses/GPL-3'.