Copyright for acm source package in Focal

Upstream Author: Riley Rainey 

Version 5.0 of this package was put together by Phil Brooke
, from sources obtained from:
 ftp://ftp.websimulations.com/pub/download/acm-5.0.tar.gz

ACM is Copyright (C) 1991-1998 Riley Rainey

  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; version 2 dated June, 1991.

  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, write to the
    Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
    MA 02110-1301, USA.

On Debian GNU/Linux systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL-2'.