Copyright for donkey source package in Buster

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: donkey
Upstream-Contact: Peter Pentchev 
Source: https://devel.ringlet.net/security/donkey/
License: GPL-2

Files: *
Copyright: (C) 1995 Kazuhiko Yamamoto
  (C) 2016 - 2018 Peter Pentchev 
License: GPL-2

Files: src/passphrase.c
Copyright: (c) 1995 Mike Gleason, NCEMRSoft
           (C) 1995 Kazuhiko Yamamoto
License: not-for-profit
  All rights reserved.
  .
  Redistribution and use in source and binary forms are permitted provided
  that: (1) source distributions retain this entire copyright notice and
  comment, and (2) distributions may not be sold for profit on physical
  media such as disks, tapes, and CD-ROMS, without expressed written
  permission.

Files: debian/*
Copyright: (C) 1997-1999, 2001, 2003  Fumitoshi UKAI
           (C) 2009, 2011, 2013, 2016 - 2019  Peter Pentchev
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 Version 2 as
 published by the Free Software Foundation.
 .
 On Debian systems, the complete text of the GNU General Public License
 can be found in file "/usr/share/common-licenses/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.
 .
 On Debian systems, the complete text of the GNU General Public License
 can be found in file "/usr/share/common-licenses/GPL-2".