Copyright for xcrysden source package in Bullseye

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: XCrySDen
Upstream-Contact: Anton Kokalj 
Source: http://www.xcrysden.org
Disclaimer: Whenever graphics generated by XCRYSDEN are used in scientific
 publications, it shall be greatly appreciated to include an explicit
 reference. The preferred form is the following:
 .
 A. Kokalj, J. Mol. Graph. Model., Vol. 17, pp. 176-179, 1999.
 Code available from http://www.xcrysden.org/.

Files: *
Copyright: 1996-2014 Anton Kokalj 
Comment: Some parts of C/polygonise.c C/cryClip.c C/anaglyph.h are
 based-on/derived-from routines of Paul Bourke (http://paulbourke.net)
 and are used with his permission.
License: GPL-2+

Files: C/getline.*
Copyright: 1994, 1996-1998, 2001, 2003, 2005 Free Software Foundation, Inc.
License: GPL-2+

Files: C/gl2ps.*
Copyright: 1999-2017 Christophe Geuzaine 
License: GPL-2+

Files: C/hpsort.c
Copyright: 1999 Thomas Walter
           2000 Brian Gough (partial)
License: GPL-2+

Files: C/sgi*
Comment: Some parts of these files are based-on/derived-from libaux routines
 of OpenGL Programming Guide.
Copyright: 1993 Silicon Graphics, Inc.
License: other1
 ALL RIGHTS RESERVED 
 Permission to use, copy, modify, and distribute this software for 
 any purpose and without fee is hereby granted, provided that the above
 copyright notice appear in all copies and that both the copyright notice
 and this permission notice appear in supporting documentation, and that 
 the name of Silicon Graphics, Inc. not be used in advertising
 or publicity pertaining to distribution of the software without specific,
 written prior permission. 
 .
 THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
 AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
 INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
 FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
 GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
 SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
 KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
 LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
 THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
 ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
 ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
 POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
 .
 US Government Users Restricted Rights 
 Use, duplication, or disclosure by the Government is subject to
 restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
 (c)(1)(ii) of the Rights in Technical Data and Computer Software
 clause at DFARS 252.227-7013 and/or in similar or successor
 clauses in the FAR or the DOD or NASA FAR Supplement.
 Unpublished-- rights reserved under the copyright laws of the
 United States.  Contractor/manufacturer is Silicon Graphics,
 Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
 .
 OpenGL(TM) is a trademark of Silicon Graphics, Inc.

Files: C/xcTclsh.c
Copyright:  1996-1997 by Sun Microsystems, Inc.
            1998-1999 by Scriptics Corporation.
License: other2
 This software is copyrighted by the Regents of the University of
 California, Sun Microsystems, Inc., and other parties.  The following
 terms apply to all files associated with the software unless explicitly
 disclaimed in individual files.
 .
 The authors hereby grant permission to use, copy, modify, distribute,
 and license this software and its documentation for any purpose, provided
 that existing copyright notices are retained in all copies and that this
 notice is included verbatim in any distributions. No written agreement,
 license, or royalty fee is required for any of the authorized uses.
 Modifications to this software may be copyrighted by their authors
 and need not follow the licensing terms described here, provided that
 the new terms are clearly indicated on the first page of each file where
 they apply.
 .
 IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
 FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
 ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
 DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 .
 THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.  THIS SOFTWARE
 IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
 NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
 MODIFICATIONS.
 .
 GOVERNMENT USE: If you are acquiring this software on behalf of the
 U.S. government, the Government shall have only "Restricted Rights"
 in the software and related documentation as defined in the Federal 
 Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
 are acquiring the software on behalf of the Department of Defense, the
 software shall be classified as "Commercial Computer Software" and the
 Government shall have only "Restricted Rights" as defined in Clause
 252.227-7013 (c) (1) of DFARs.  Notwithstanding the foregoing, the
 authors grant the U.S. Government and others acting in its behalf
 permission to use and distribute the software in accordance with the
 terms specified in this license.

Files: F/auxil.f
Copyright: 2002 FPMD group and CP90 group (partial)
License: GPL-2+

Files: debian/*
Copyright: 2012 Anton Kokalj 
           2012-2019 debichem team 
License: GPL-2+

License: GPL-2+
 This package 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 package 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, see 
Comment:
 On Debian systems, the complete text of the GNU General Public
 License version 2 can be found in "/usr/share/common-licenses/GPL-2".