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Copyright (c) 1990,1996 Regents of The University of Michigan.
All Rights Reserved.

    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 appears 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 Michigan not be used in advertising or publicity pertaining to
    distribution of the software without specific, written prior
    permission. This software is supplied as is without expressed or
    implied warranties of any kind.

This product includes software developed by the University of
California, Berkeley and its contributors.

Solaris code is encumbered by the following:
    Copyright (C) 1996 by Sun Microsystems Computer Co.
 
    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.  This software is
    provided "as is" without express or implied warranty.

Modifications for Appleshare IP and other files copyrighted by Adrian
Sun are under the following copyright:

    Copyright (c) 1997,1998,1999,2000 Adrian Sun (asun@cobalt.com)
    All Rights Reserved.

    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 appears in all copies and
    that both that copyright notice and this permission notice appear
    in supporting documentation. This software is supplied as is
    without expressed or implied warranties of any kind.

Research Systems Unix Group
The University of Michigan
c/o Wesley Craig
535 W. William Street
Ann Arbor, Michigan
+1-313-764-2278
netatalk@umich.edu
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libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-0.96,
with the following individuals added to the list of Contributing Authors:

   Tom Lane
   Glenn Randers-Pehrson
   Willem van Schaik

libpng versions 0.89, June 1996, through 0.96, May 1997, are
Copyright (c) 1996, 1997 Andreas Dilger
Distributed according to the same disclaimer and license as libpng-0.88,
with the following individuals added to the list of Contributing Authors:

   John Bowler
   Kevin Bracey
   Sam Bushell
   Magnus Holmgren
   Greg Roelofs
   Tom Tanner

libpng versions 0.5, May 1995, through 0.88, January 1996, are
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.

For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:

   Andreas Dilger
   Dave Martindale
   Guy Eric Schalnat
   Paul Schmidt
   Tim Wegner
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(C) 1995-2002 Jean-loup Gailly and Mark Adler