Copyright for xppaut source package in Buster

Format: http://dep.debian.net/deps/dep5/
Upstream-name: XPPAUT
Upstream-contact: Bard Ermentraut 
Source: http://www.math.pitt.edu/~bard/xpp/download.html

Files: *
Copyright: 2002-2011 Bard Ermentrout & Daniel Dougherty
License: GPL-2+

Files: fftn.c
Copyright: 1995,97 Mark Olesen  Queen's Univ at Kingston (Canada)
Licence: custom
 Permission to use, copy, modify, and distribute this software for
 any purpose without fee is hereby granted, provided that this
 entire notice is included in all copies of any software which is
 or includes a copy or modification of this software and in all
 copies of the supporting documentation for such software.
 .
 THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
 IMPLIED WARRANTY.  IN PARTICULAR, NEITHER THE AUTHOR NOR QUEEN'S
 UNIVERSITY AT KINGSTON MAKES ANY REPRESENTATION OR WARRANTY OF ANY
 KIND CONCERNING THE MERCHANTABILITY OF THIS SOFTWARE OR ITS
 FITNESS FOR ANY PARTICULAR PURPOSE.
 .
 All of which is to say that you can do what you like with this
 source code provided you don't try to sell it as your own and you
 include an unaltered copy of this message (including the
 copyright).
 .
 It is also implicitly understood that bug fixes and improvements
 should make their way back to the general Internet community so
 that everyone benefits.

Files: debian/*
Copyright: 2002-2003, Isaac Jones ,
           2011-2012, Jakub Nowacki 
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 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 package; if not, write to the Free
 Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 Boston, MA  02110-1301 USA
 .
 On Debian systems, the full text of the GNU General Public
 License version 2 can be found in the file
 `/usr/share/common-licenses/GPL-2'.