Copyright for pdp source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: pdp
Upstream-Contact: Tom Schouten 
Source: http://zwizwa.be/pdp/
License: GPL-2+

Files: *
Copyright: 2002-2016, Tom Schouten 
License: GPL-2+

Files: modules/image_special/pdp_cog.c
Copyright: 2003, Johannes Taelman 
License: GPL-2+

Files: modules/image_io/pdp_qt.c
Copyright: 2002-2013, Tom Schouten 
  2002, Yves Degoyon
License: GPL-2+

Files: modules/image_io/pdp_sdl.c
Copyright: 2003-2013, Tom Schouten 
  2003, Martin Pichlmair
License: GPL-2+

Files: system/zl/pwc-ioctl.h
Copyright: 2001-2002, Nemosoft Unv. 
License: GPL-2+

Files: debian/*
Copyright:
  2003, Pablo Martin 
  2004-2005, Guenter Geiger 
  2009, Paul Brossier 
  2012-2018, IOhannes m zmölnig 
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, 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.
 .
 Comment:
 .
 On Debian systems the 'GNU General Public License' version 2 is located
 in '/usr/share/common-licenses/GPL-2'.
 .
 You should have received a copy of the GNU General Public License along with
 this program.  If not, see .