Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Name: imgvtopgm Source: https://sourceforge.net/projects/imgvtopgm/files/ Files: * Copyright: 1997 - 1999 Eric Howe , Eric Arnold , and 1999 SUMIKAWA Munechika License: GPL-2+ Files: debian/* Copyright: 1998-2004 John Goerzen 2004-2022 Erik Schanze License: GPL-2+ License: GPL-2+ This 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 (at your option) any later version. . This 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. . On Debian systems you can find a full copy of the GNU General Public License version 2 at /usr/share/common-licenses/GPL-2.