This package was debianized by Michael Piefel on Tue, 05 Feb 2002 11:03:37 +0100. It was downloaded from . Copyright: Copyright (C) 1985-2014 University of Amsterdam Vu University Amsterdam SWI-Prolog/XPCE and all our packages are now licensed according to the LGPL for the C-parts and GPL + exception to allow linking into non-GPL applications for the Prolog libraries. On Debian systems, you can find the GNU General Public License in the file /usr/share/common-licenses/GPL-2 and the GNU Lesser General Public License in the file /usr/share/common-licenses/LGPL-2.