Copyright for r-cran-gwidgetstcltk source package in Oracular

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: gWidgetstcltk
Upstream-Contact: John Verzani 
Source: https://cran.r-project.org/package=gWidgetstcltk

Files: *
Copyright: 2014 John Verzani
License: GPL-2.0+

Files: inst/tklibs
Copyright: 2000-2012  Csaba Nemethi 
License: custom
 This library is free software; you can use, modify, and redistribute it
 for any purpose, provided that existing copyright notices are retained
 in all copies and that this notice is included verbatim in any
 distributions.
 .
 This software is distributed WITHOUT ANY WARRANTY; without even the
 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 .
 From: https://www.nemethi.de/tablelist/COPYRIGHT.txt

Files: R/tcltkFuns.R:
Copyright: Philippe Grosjean (phgrosjean@sciviews.org)
License: LGPL-3.0+

Files: debian/*
Copyright: 2020 Steffen Moeller 
License: GPL-2.0+

License: GPL-2.0+
 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".

License: LGPL-3.0+
 This package is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 3 of the License, or (at your option) any later version.
 .
 This package 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
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public License
 along with this program. If not, see .
 .
 On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in "/usr/share/common-licenses/LGPL-3".