Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Files: * Copyright: © 2004-2020 Martin-Éric Racine © 2004,2012 Christoph Schindler © 2003-2004 Martin Zdrahal License: GPL-2+ Files: debian/source_upgrade-system.py Copyright: © 2011 Brian Murray License: GPL-2+ License: GPL-2+ On Debian systems, the complete text of the GNU General Public License can be found in .