    Copyright © 1989-1994 The Regents of the University of California.
    Copyright © 1992-1995 Karl Lehenbauer and Mark Diekhans.
    Copyright © 1993-1997 Bell Labs Innovations for Lucent Technologies
    Copyright © 1994 The Australian National University
    Copyright © 1994-1996 Sun Microsystems, Inc.
    Copyright © 1995, 1996 Roger E. Critchlow Jr.

    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,
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    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
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    FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
    ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
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    252.227-7013 and FAR 52.227-19.