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Copyright (c) 2000 New Information Paradigms Ltd. http://www.nipltd.com/
All rights reserved.  

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions 
are met: 
1. Redistributions of source code must retain the above copyright 
   notice, this list of conditions and the following disclaimer. 
2. Redistributions in binary form must reproduce the above copyright 
   notice, this list of conditions and the following disclaimer in the 
   documentation and/or other materials provided with the distribution. 
3. The name of the author may not be used to endorse or promote products 
   derived from this software without specific prior written permission 

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  
 In accordance with the license provided for by the software upon 
 which some of the source code has been derived or used, the following  
 acknowledgement is hereby provided : 

     "This product includes software developed by Digital Creations 
     for use in the Z Object Publishing Environment 
     (http://www.zope.org/)."