Copyright for r-cran-ggthemes source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ggthemes
Upstream-Contact: Jeffrey B. Arnold 
Source: https://cran.r-project.org/package=ggthemes

Files: *
Copyright: 2010-2019 Jeffrey B. Arnold,
 Gergely Daroczi,
 Bo Werth,
 Brian Weitzner,
 Joshua Kunst,
 Baptise Auguie,
 Bob Rudis,
 Hadley Wickham (Code from the ggplot2 package.),
 Justin Talbot (Code from the labeling package),
 Joshua London
License: GPL-2

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; version 2 of the License.
 .
 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.