Copyright for libstring-escape-perl source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: String-Escape
Upstream-Contact: Matthew Simon Cavalletto 
Source: https://metacpan.org/release/String-Escape

Files: *
Copyright: 2002, 2010, Matthew Simon Cavalletto 
 1996, 1997, 1998, 2001 Evolution Online Systems, Inc.
License: Artistic or GPL-1+

Files: debian/*
Copyright: 2000-2002, Christopher C. Chimelis 
 2004, 2005, Gunnar Wolf 
 2004, Stephen Zander 
 2006-2010, gregor herrmann 
 2010, Jonathan Yu 
License: Artistic or GPL-1+

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 GNU/Linux 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 GNU/Linux systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL'