The generator modules listed in src/pypddl_datasets/generators/CREDITS.md
under "Freiburg" are Python ports of generators from Jörg Hoffmann's FF domain
collection. They are distributed under the terms of the original notice below,
not under GPL-3.0-or-later: use for non-commercial research purposes only.

(C) Copyright 2001 Albert Ludwigs University Freiburg
    Institute of Computer Science

All rights reserved. Use of this software is permitted for
non-commercial research purposes, and it may be copied only
for that use.  All copies must include this copyright message.
This software is made available AS IS, and neither the authors
nor the  Albert Ludwigs University Freiburg make any warranty
about the software or its performance.
