Copyright for liblingua-stem-snowball-perl source package in Bionic

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Contact: Marvin Humphrey .

Files: *
Copyright: 2004-2008 Marvin Humphrey, Fabien Potencier, Oleg Bartunov and
           Teodor Sigaev.
License: Artistic or GPL-1+

Files: debian/*
Copyright: 2008-2016, Dominic Hargreaves 
License: Artistic or GPL-1+

Files: snowball-code/*
Copyright: 2001, Dr Martin Porter,
           2002, Richard Boulton (for the Java developments)
License: BSD-2-clause
 All rights reserved.
 .
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
 .
 1. Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.
 .
 2. Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the
 documentation and/or other materials provided with the distribution.
 .
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

License: Artistic
 This program is free software; you can redistribute it and/or modify
 it under the terms of the Artistic License, which comes with Perl.
 .
 On Debian systems, the complete text of the Artistic License can be
 found in `/usr/share/common-licenses/Artistic'.

License: GPL-1+
 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 1, or (at your option)
 any later version.
 .
 On Debian systems, the complete text of version 1 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-1'.