Copyright for paraclu source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: paraclu
Upstream-Contact: paraclu@cbrc.jp
Source: http://cbrc3.cbrc.jp/~martin/paraclu/paraclu-9.zip
License: GPL-3+

Files: *
Copyright: 2011–2012 Martin C. Frith
License: GPL-3+

Files: debian/*
Copyright: 2014 Charles Plessy 
License: GPL-3+

License: GPL-3+
 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 3 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.
 .
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see .
Comment: On Debian systems, a copy of the GNU General Public License
 version 3 is placed in “/usr/share/common-licenses/GPL-3”.