Copyright for tk8.6 source package in Bionic

This package was debianized by David Engel 
from sources obtained at http://prdownloads.sourceforge.net/tcl

List of copyright holders of individual files:

Copyright 1985-1987, 1989, 1991 Massachusetts Institute of Technology
Copyright 1987-1994 Adobe Systems Inc.
Copyright 1987 Digital Equipment Corporation
Copyright 1989-1994 The Regents of the University of California
Copyright 1990, David Koblas
Copyright 1994-1998 Sun Microsystems, Inc.
Copyright 1994 Software Research Associates, Inc.
Copyright 1994,1997 The Australian National University
Copyright 1997-2000 Ajuba Solutions
Copyright 1997-2000 Scriptics Corporation
Copyright 1998 Paul Duffin
Copyright 1999-2000 Jeffrey Hobbs
Copyright 2000-2005,2007 ActiveState Corporation
Copyright 2001-2002, Apple Computer, Inc.
Copyright 2001-2008 Donal K. Fellows
Copyright 2001-2004 David Gravereaux
Copyright 2002 Frederic Bonnet
Copyright 2002-2003 Keith Packard
Copyright 2002-2004 Benjamin Riefenstahl
Copyright 2002-2008 Daniel A. Steffen
Copyright 2002 David Gravereaux
Copyright 2002 Ludwig Callewaert
Copyright 2003 Free Software Foundation, Inc.
Copyright 2003 Georgios Petasis
Copyright 2003-2004 Vincent Darley
Copyright 2003-2006 Joe English
Copyright 2002-2008 Patrick Thoyts
Copyright 2004 George Peter Staplin
Copyright 2005 Neil Madden
Copyright 2007 the Tk developers
Copyright 2008 Tcl Core Team
Copyright Reed Wade
Copyright Michael Kirkham

Copyright:

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.