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, 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 lesser general public license for more details.

you should have received a copy of the gnu lesser general public license
along with this program.  if not, see <http://www.gnu.org/licenses/>.

On Debian systems, the full text of the GNU Lesser General Public
License version 3 can be found in the file
`/usr/share/common-licenses/LGPL-3'.