This is a Debian prepackaged version of libppd. This package was put together by Joey Hess , using sources from: http://download.sourceforge.net/libppd/ or http://sourceforge.net/project/showfiles.php?group_id=3800&package_id=11729 Copyright 1993-1999 by Easy Software Products. Authors: Ben Woodard Mark Fasheh License : GNU GENERAL PUBLIC LICENSE , Version 2, June 1991 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 2 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. On Debian systems, the complete text of the GNU Library General Public License can be found in /usr/share/common-licenses/GPL