Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Files: * Copyright: 2013-2019, 2013-2019 DanSoft License: GPL-3+ License: GPL-3+ 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; version 3 dated June, 2007, or (at your option) any later version. . On Debian systems, the complete text of version 3 of the GNU General Public License can be found in '/usr/share/common-licenses/GPL-3'.