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 3. See http://www.gnu.org/copyleft/lgpl.html
for the full text of the license.

On Debian systems, a copy of the LGPL version 3 can be found in
/usr/share/common-licenses/LGPL-3.