Copyright 1996, 1997, 1998
        Hekkelman Programmatuur B.V.  All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
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   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
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3. All advertising materials mentioning features or use of this software
   must display the following acknowledgement:
   
    This product includes software developed by Hekkelman Programmatuur B.V.

4. The name of Hekkelman Programmatuur B.V. may not be used to endorse or
   promote products derived from this software without specific prior
   written permission.

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