Copyright for kcron source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: kcron
Upstream-Contact: kde-devel@kde.org
Source: https://invent.kde.org/system/kcron

Files: *
Copyright: 1999, Gary Meyer 
           1999, Robert Berry 
           2000, Morgan N. Sandquist 
           2000-2018, This_file_is_part_of_KDE
           2007, Nicolas Ternisien 
License: GPL-2+

Files: debian/*
Copyright: 2007-2013, Debian Qt/KDE Maintainers 
License: GPL-2+

Files: org.kde.kcron.metainfo.xml
Copyright: 2019, Jonathan Riddell .
 .
 On Debian systems, the complete text of the CC0 Public Domain Dedication
 can be found in "/usr/share/common-licenses/CC0-1.0".

License: GPL-2+
 This package 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 
 .
 On Debian systems, the complete text of the GNU General Public
 License version 2 can be found in "/usr/share/common-licenses/GPL-2".