Copyright for eperl source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ePerl
Source: http://www.ossp.org/pkg/tool/eperl/

Files: *
Copyright: 1996-1999 Ralf S. Engelschall 
License: GPL-2 or Artistic

Files: debian/*
Copyright: 1997-1998 Heiko Schlittermann 
           1997-2000 Anthony Fok 
           2001-2005 Denis Barbier 
           2006-2008 Luk Claes 
           2008      Stephen Gran 
           2008      Marc 'HE' Brockschmidt 
           2010-2018 Axel Beckert 
License: GPL-2 or Artistic
Comment: It is assumed that, without explicit statement, the packaging
 is licensed under the same terms as the upstream code.

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.
 .
 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.
 .
 On Debian GNU/Linux systems, the complete text of the GNU General
 Public License may be found in `/usr/share/common-licenses/GPL-2'.

License: Artistic
 On Debian GNU/Linux systems, the complete text of the
 Artistic Licence can be found in `/usr/share/common-licenses/Artistic'.