klayout is packaged by Peter C.S. Scholtens <peter.scholtens@xs4all.nl>
and Matthias Köfferlein <matthias@koefferlein.de>
and was obtained from https://www.klayout.org/downloads/source/klayout-%VERSION%.tar.gz

Authors:
	Matthias Köfferlein

Copyright:
	Copyright (C) 2006-2022 by Matthias Köfferlein.

    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 or 3 of the License.

    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.

    You should have received a copy of the GNU General Public License
    along with this package; if not, write to the Free Software Foundation,
    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

  On Debian GNU/Linux systems, the complete text of the GNU General
  Public License can be found in `/usr/share/common-licenses/GPL'.