Copyright for gv source package in Focal

Packaged-By:
 This package was put together by Christian Kesselheim 
 It was later maintained by Martin A. Godisch ,
 then by Christoph Berg .
 The current Debian maintainer is Bernhard R. Link .

Upstream-Maintainer: Markus Steinborn 
Original-Source-Location: ftp://ftp.gnu.org/gnu/gv/
Original-Source-Location: ftp://alpha.gnu.org/gnu/gv/

Copyright (C) 1992-1997 Johannes Plass ,
Department of Physics, Johannes Gutenberg-University, Mainz, Germany.
Copyright (C) 1992-1997 Timothy O. Theisen
Copyright (C) 2002 Olaf Kirch 
Copyright (C) 2004-2007 José E. Marchesi
Copyright (C) 2007-2010 Markus Steinborn 
Copyright (C) 2008-2011 Bernhard R. Link
Copyright (C) 2010 Marco Paolone 
Copyright (C) 2010 Quentin Gibeaux 
Copyright (C) 2011 César Gil 
Copyright (C) 2011 Gajus Dirkzwager
with changes from Maurizio Loreti that are in the public domain.

  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 3 of the License, or (at your
  option) any later version.

  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.

  You should have received a copy of the GNU General Public License along
  with this program; if not, .

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

GNU Maintainer:  Markus Steinborn 

Original Author: Johannes Plass

Contributors:

  - Karl Berry
  - Peter Breitenlohner
  - John Bowman 
  - Bernhard R. Link (brlink@debian.org)
  - José E. Marchesi (jemarch@gnu.org) [was GNU Maintainer]
  - Brett W. McCoy
  - Hans Fredrik Nordhaug
  - Markus Steinborn
  - Thanh Han The 

Translators:

  - Gajus Dirkzwager  (Dutch translation)
  - Quentin Gibeaux  (Fremch translation)
  - Cèsar Gil  (Spanish translation)
  - Marco Paolone  (Italian translation)

Parts of the usual auto* generated build scripts and parser code
and the compatibility code in lib/ and other places are:
Copyright (C) 1984-2011 Free Software Foundation, Inc,
install-sh is based on code Copyright (C) 1994 X Consortium

This package contains a modified version of the Layout widget, the original is:
* Copyright 1991 Massachusetts Institute of Technology
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission.  M.I.T. makes no representations about the
* suitability of this software for any purpose.  It is provided "as is"
* without express or implied warranty.
*
* M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author:  Keith Packard, MIT X Consortium