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% Copyright (c) 1996,1993,1991,1990  Arizona Board of Regents
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Copyright (c) 1996,1993,1991,1990  Arizona Board of Regents

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Permission to use, copy, modify, distribute, and sell this software
and its documentation for any purpose is hereby granted without fee,
provided that the above copyright appears in all copies, and that both
the copyright and this permission notice appear in supporting
documentation, and that the name of the University of Arizona or the
Arizona Board of Regents not be used in advertising or publicity
pertaining to distribution of the software without specific, written
prior permission.  The University of Arizona makes no representations
about the suitability of this software for any purpose.  It is
provided ``as is'' without express or implied warranty.

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The University of Arizona requests users of this software to return
any improvements or extensions that they make, and to grant the
University of Arizona the rights to redistribute these changes.