Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Name: interp Upstream-Contact: Albrecht Gebhardt Source: https://cran.r-project.org/package=interp Files: * Copyright: 2014-2018 Albrecht Gebhardt, Roger Bivand, David Sinclair License: GPL-2+ Files: src/s_hull_pro.* Copyright: 2016 Dr David Sinclair License: GPL-3 On Debian systems you can find the full text of the GNU General Public License version 3 at /usr/share/common-licenses/GPL-3. Files: debian/* Copyright: 2019 Andreas Tille License: GPL-2+ License: GPL-2+ 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 of the License, or (at your option) any later version. . 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. . On Debian systems you can find the full text of the GNU General Public License version 2 at /usr/share/common-licenses/GPL-2.