Copyright for xball source package in Oracular

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: package
Source: https://github.com/JoesCat/xball/
Comment:
 This package was debianized by Stephen Birch  on
 Thu, 29 Apr 2004 10:59:00 +0100. The original source was taken from
 a source rpm distributed with SuSE 8.0 (http://www.suse.com).
Files-Excluded:
 act_area.c
 act_area.h

Files:     *
Copyright: 1990-1993 David Nedde 
License:   ntp-custom
 Permission to use, copy, modify, and distribute this software
 and its documentation for any purpose and without fee is granted
 provided that the above copyright notice appears in all copies.
 It is provided "as is" without express or implied warranty.

Files:     desktop/xball.metainfo.xml
Copyright: 2021 Joe Da Silva 
License:   CC0-1.0
 Joe Da Silva has dedicated the work to the Commons by waiving all of his
 or her rights to the work worldwide under copyright law and all related or
 neighboring legal rights he or she had in the work, to the extent allowable by
 law.
 .
 Works under CC0 do not require attribution. When citing the work, you should
 not imply endorsement by the author.
 .
 To the extent possible under law, the author(s) have dedicated all
 copyright and related and neighboring rights to this software to the public
 domain worldwide. This software is distributed without any warranty.
 .
 On Debian systems, the complete text of the CC0 license, version 1.0,
 can be found in /usr/share/common-licenses/CC0-1.0.

Files:     filemenu.c
Copyright: 1989 The University of Texas at Austin
           1990 Microelectronics and Computer Technology Corporation
           1990 David Nedde 
License:   MIT
 Permission to use, copy, modify, and distribute this software and its
 documentation for any purpose and without fee is hereby granted,
 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 The University of Texas
 and Microelectronics and Computer Technology Corporation (MCC) not be
 used in advertising or publicity pertaining to distribution of
 the software without specific, written prior permission.  The
 University of Texas and MCC makes no representations about the
 suitability of this software for any purpose.  It is provided "as is"
 without express or implied warranty.
 .
 THE UNIVERSITY OF TEXAS AND MCC DISCLAIMS ALL WARRANTIES WITH REGARD TO
 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
 FITNESS, IN NO EVENT SHALL THE UNIVERSITY OF TEXAS OR MCC 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.