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* XLISP-STAT 2.1 Copyright (c) 1990, by Luke Tierney
* XLISP version 2.1, Copyright (c) 1989, by David Betz.
*
* 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 notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Luke Tierney and David Betz not be
* used in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission.  Luke Tierney and David Betz
* make no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* LUKE TIERNEY AND DAVID BETZ DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
* IN NO EVENT SHALL LUKE TIERNEY NOR DAVID BETZ 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.
* 
* XLISP-STAT AUTHOR:
*               Luke Tierney
*               School of Statistics
*               University of Minnesota
*               Minneapolis, MN 55455
*               (612) 625-7843
* 
*       Email Address:
*               internet: luke@umnstat.stat.umn.edu
*
* XLISP AUTHOR:
*              David Betz
*              P.O. Box 144
*              Peterborough, NH 03458
*              (603) 924-4145
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