Copyright for unoconv source package in Focal

This package was downloaded from 

Files: *
Copyright: © 2007 Dag Wieers 
License: GPL-2
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Library General Public License as published by
 the Free Software Foundation; version 2 only

 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 Library General Public License for more details.

 You should have received a copy of the GNU Library General Public
 License along with this program; if not, write to the Free
 Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 02110-1301 USA.

Files: *
Copyright: © 2007, 2008 Vincent Bernat 
License: GPL-2+

On Debian systems, the complete text of the GPL can be found in
`/usr/share/common-licenses/GPL`.