Copyright for isync source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: isync
Source: http://isync.sourceforge.net

Files: *
Copyright: 2000-2002, Michael R. Elkins 
 2002-2004, Oswald Buddenhagen 
 2004, Theodore Y. Ts'o 
License: GPL-2+

Files: debian/*
Copyright: 2013, Alessandro Ghedini 
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 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 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 .
 .
 As a special exception, mbsync may be linked with the OpenSSL library,
 despite that library's more restrictive license.
 .
 On Debian systems, the complete text of the GNU General Public License version
 2 can be found in "/usr/share/common-licenses/GPL-2".