This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; version 2.1 of the License, or (at
your option) any later version.

On Debian systems, the complete text of version 2.1 of the GNU Lesser
Public License can be found in `/usr/share/common-licenses/LGPL-2.1'.