/*
 * Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Scott E. Johnston
 * Copyright (c) 2000  Vectaport Inc., IET Inc
 * Copyright (c) 1999  Vectaport Inc., IET Inc, R.B. Kissh and Associates
 * Copyright (c) 1998  Vectaport Inc., R.B. Kissh and Associates, Eric F. Kahler
 * Copyright (c) 1997  Vectaport Inc., R.B. Kissh and Associates
 * Copyright (c) 1996  Vectaport Inc., R.B. Kissh and Associates, Cider Press
 * Copyright (c) 1994, 1995  Vectaport Inc., Cartoactive Systems, Cider Press
 * Copyright (c) 1993 David B. Hollenbeck
 * Copyright (c) 1993 Ellemtel Telecommunication Systems Labratories
 * Copyright (c) 1991, 1992 Sam Leffler
 * Copyright (c) 1991 Silicon Graphics, Inc.
 * Copyright (c) 1989 Triple Vision Inc.
 * Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * related documentation and data files 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 names of the copyright holders not
 * be used in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.  The copyright holders
 * make no representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.
 */

