Copyright for po-debconf source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: po-debconf

Files: *
Copyright: 2002-2005, Denis Barbier 
           2002, Martin Quinson 
License: GPL-2 or GPL-2+

Files: podebconf-report-po
Copyright: 2004-2006, Fabio Tranchitella 
                      Denis Barbier 
           2007-2008, Nicolas François 
License: GPL-2+

Files: doc/po4a/po/de.po
Copyright: 2007-2008,2010,2018 Helge Kreutzmann 
License: GPL-2

Files: doc/po4a/po/es.po
Copyright: 2010, Omar Campagne 
           2010, Software in the Public Interest
License: GPL-2

Files: doc/po4a/po/fr.po
Copyright: 2003,       Nicolas Bertolissio 
           2005-2006,  Denis Barbier 
           2006-2007,  Florentin Duneau 
           2010,       Christian Perrier 
License: GPL-2

Files: doc/po4a/po/pt.po
Copyright: 2007-2010, Miguel Figueiredo 
License: GPL-2

Files: doc/po4a/po/ru.po
Copyright: 2005-2008,2010, Yuri Kozlov 
           2007,           Sergey Alyoshin 
License: GPL-2

Files: doc/po4a/po/vi.po
Copyright: 2007-2010, Clytie Siddall 
           2010,      Free Software Foundation, Inc
License: GPL-2

Files: doc/en/podebconf-report-po.1.pod
Copyright: 2008, Fabio Tranchitella 
License: GPL-2

Files: doc/es/*
Copyright: 2010, Omar Campagne Polaino 
License: GPL-2

Files: debian/*
Copyright: 2002-2006, Denis Barbier 
           2006-2009, Nicolas FRANCOIS 
           2010,      David Prévot 
           2011,      Christian Perrier 
           2014,      Wookey 
           2015-2018, Herbert Parentes Fortes Neto 
License: GPL-2

License: GPL-2 or 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 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, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 .
 On Debian systems, the complete text of the GNU General Public License
 can be found in /usr/share/common-licenses/GPL-2 file.