LEGAL STUFF

    Copyright (C) 1989, 1990, 1993-1995, 1999 Kirk Lauritz Johnson

    Parts of the source code (as marked) are:
      Copyright (C) 1989, 1990, 1991 by Jim Frost
      Copyright (C) 1992 by Jamie Zawinski <jwz@lucid.com>

    Permission to use, copy, modify and freely distribute xearth for
    non-commercial and not-for-profit purposes is hereby granted
    without fee, provided that both the above copyright notice and
    this permission notice appear in all copies and in supporting
    documentation.

    Unisys Corporation holds worldwide patent rights on the Lempel Zev
    Welch (LZW) compression technique employed in the CompuServe GIF
    image file format as well as in other formats. Unisys has made it
    clear, however, that it does not require licensing or fees to be
    paid for freely distributed, non-commercial applications (such as
    xearth) that employ LZW/GIF technology. Those wishing further
    information about licensing the LZW patent should contact Unisys
    directly at (lzw_info@unisys.com) or by writing to

      Unisys Corporation
      Welch Licensing Department
      M/S-C1SW19
      P.O. Box 500
      Blue Bell, PA 19424

    The author makes no representations about the suitability of this
    software for any purpose. It is provided "as is" without express
    or implied warranty.

    THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
    INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
    IN NO EVENT SHALL THE AUTHOR 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.