Copyright for gretl source package in Focal

This is Debian GNU/Linux's prepackaged version of the GNU gretl
program written by Allin Cottrell  and Riccardo
"Jack" Luchetti based on earlier code by Ramu Ramanathan.

This package was put together by Dirk Eddelbuettel  from the
sources at http://gretl.sourceforge.net/

Copyright (C) 2000 - 2009 Allin Cottrell and Riccardo "Jack" Lucchetti
Portions Copyright (C) 1998-1999 Ramu Ramanathan 

License: GPL-3

On Debian GNU/Linux systems, the complete text of the GNU General
Public License (v3) can be found in the file /usr/share/common-licenses/GPL-3.