Copyright for libgsecuredelete source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: https://wipetools.tuxfamily.org/libgsecuredelete.html

Files: *
Copyright: © 2009-2011 Colomban Wendling 
License: GPL-3+

Files: gsd-sfill-helper.sh.in
Copyright: © 2012 Colomban Wendling 
License: GPL-3+

Files: debian/*
Copyright: © 2011-2016 intrigeri 
           © 2020-2021 Clément Hermann 
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 .
 .
 The full text of the GNU General Public License version 3 is distributed as
 COPYING in libgsecuredelete source. On Debian systems, it can be found in the
 file `/usr/share/common-licenses/GPL-3'.