Copyright for xsok source package in Oracular

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: xsok
Source: ftp://ftp.io.com/pub/mirror/FreeBSD/ports/distfiles/xsok-1.02-src.tar.gz

Files:     *
Copyright: 1994-1996 Michael Bischoff .
License:   GPL-2.0+

Files:     doc/cyberbox.doc
           lib/Cyberbox*
Copyright: 1991 Doug Beeferman 
License:   no-restricctions
 I'm the author of Cyberbox and I grant permission for Cyberbox to be
 redistributed without any restriction, including with modifications or in
 derived works.

Files:     etc/COPYRIGHT.xpm
Copyright: 1989-94 GROUPE BULL
License:   MIT
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
 deal in the Software without restriction, including without limitation the
 rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 sell copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 .
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 .
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 .
 Except as contained in this notice, the name of GROUPE BULL shall not be
 used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from GROUPE BULL.

Files:     debian/*
Copyright: Sven Rudolph
           Joel Rosdahl
           Peter Samuelson .
License:   GPL-2.0+

License: GPL-2.0+
 Copyright (c) 1994 by Michael Bischoff (mbi@mo.math.nat.tu-bs.de)
 .
 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 2 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. (The file COPYRIGHT.GNU)
 .
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to 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 version 2 can be found in '/usr/share/common-licenses/GPL-2'.