Copyright for polyglot source package in Focal

This package was debianized by Michel Van den Bergh  
and Oliver Korff :

The debian directory was removed fom the package.

It was downloaded from http://hgm.nubati.net/cgi-bin/gitweb.cgi?p=polyglot.git;a=shortlog;h=refs/heads/learn

Upstream Authors: 

    Fabien Letouzey 
    Huang Chen ("Morning Yellow")	
    Fonzy Bleumers
    Michel Van den Bergh 
    Harm Geert Muller

Copyright: 

    Copyright (C) 2006 Fabien Letouzey 
    Copyright (C) 2006 Huang Chen
    Copyright (C) 2009 Fonzy Bleumers
    Copyright (C) 2009-2011 Michel Van den Bergh 
    Copyright (C) 2011-2014 Michel Van den Bergh  and Harm Geert Muller

License:

    This package 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 package 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 complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL'.

The Debian packaging is (C), 
Michel Van den Bergh 
Oliver Korff 
Milan Zamazal 
it is licensed under the GPL, see above.