Copyright for dvipng source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: dvipng
Upstream-Contact: Jan-Åke Larsson 
Source: http://savannah.nongnu.org/projects/dvipng/
License: LGPL-3+

Files: *
Copyright: 2002-2015 Jan-Åke Larsson
License: LGPL-3+

Files: install-sh
Copyright: 1991 Massachusetts Institute of Technology
License: MIT

Files: miktex.mak
Copyright: 2004 Christian Schenk
License: GPL-2+

Files: mkinstalldirs
Copyright: None
License: Public-Domain
         "Public domain"

Files: debian/*
Copyright: 2003-2005 Brian R Furry
           2005 Frank Lichtenheld
           2006 Kapil Hari Paranjape
           2006-2008 Torsten Werner
           2006-2011, 2013, 2018 Varun Hiremath
           2018 Hugh McMaster
License: GPL-2+

License: LGPL-3+
 Copyright (C) 2007 Free Software Foundation, Inc. 
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
 .
 This version of the GNU Lesser General Public License incorporates
 the terms and conditions of version 3 of the GNU General Public
 License, supplemented by the additional permissions listed below.
 .
 On Debian GNU/Linux systems, the complete text of the GNU Lesser General
 Public License version 3 can be found in `/usr/share/common-licenses/LGPL-3'.

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 program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 .
 On Debian GNU/Linux systems, the complete text of the GNU General Public
 License version 2 can be found in `/usr/share/common-licenses/GPL-2'.

License: MIT
 Copyright 1991 by the Massachusetts Institute of Technology
 .
 Permission to use, copy, modify, distribute, and sell this software and its
 documentation for any purpose is hereby granted without fee, provided that
 the above copyright notice appear in all copies and that both that
 copyright notice and this permission notice appear in supporting
 documentation, and that the name of M.I.T. not be used in advertising or
 publicity pertaining to distribution of the software without specific,
 written prior permission.  M.I.T. makes no representations about the
 suitability of this software for any purpose.  It is provided "as is"
 without express or implied warranty.