    Copyright (c) 2001-2002, Takekazu KATO All rights reserved.


    Redistribution and use in source and binary forms, with or
    without modification, are permitted provided that the following
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      1. Redistributions of source code must retain the above
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      disclaimer.

      2. Redistributions in binary form must reproduce the above
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      disclaimer in the documentation and/or other materials
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     THIS SOFTWARE IS PROVIDED BY TAKEKAZU KATO ``AS IS''
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
    SHALL TAKEKAZU KATO BE LIABLE FOR ANY
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     The views and conclusions contained in the software and
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    interpreted as representing official policies, either expressed
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