Copyright (C) 1995, 1996 Systemics Ltd

Redistribution and use in source and binary forms, with or without
   40: modification, are permitted provided that the following conditions
   41: are met:
   42: 1. Redistributions of source code must retain the copyright
   43:    notice, this list of conditions and the following disclaimer.
   44: 2. Redistributions in binary form must reproduce the above copyright
   45:    notice, this list of conditions and the following disclaimer in the
   46:    documentation and/or other materials provided with the distribution.
   47: 3. All advertising materials mentioning features or use of this software
   48:    must display the following acknowledgement:
   49:    This product includes software developed by Systemics Ltd (http://www.systemics.com/)   
   50: 
   51:    THIS SOFTWARE IS PROVIDED BY SYSTEMICS LTD ``AS IS'' AND
   52:    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   53:    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   54:    ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   55:    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   56:    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   57:    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   58:    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   59:    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   60:    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   61:    SUCH DAMAGE.