Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Contact: Iain Truskett . Source: https://metacpan.org/release/Email-Thread Upstream-Author: Iain Truskett . Files: * Copyright: 2003, Iain Truskett License: GPL-1+ or Artistic Files: debian/* Copyright: 2008, David Bremner 2013, Florian Schlichting License: GPL-1+ or Artistic License: Artistic This program is free software; you can redistribute it and/or modify it under the terms of the Artistic License, which comes with Perl. . On Debian systems, the complete text of the Artistic License can be found in `/usr/share/common-licenses/Artistic'. License: GPL-1+ 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 1, or (at your option) any later version. . On Debian systems, the complete text of version 1 of the GNU General Public License can be found in `/usr/share/common-licenses/GPL-1'.