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−[The "BSD licence"]
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−Copyright (c) 2003-2006 Terence Parr
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−All rights reserved.
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−
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−Redistribution and use in source and binary forms, with or without
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−modification, are permitted provided that the following conditions
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−are met:
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−
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− 1. Redistributions of source code must retain the above copyright
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−    notice, this list of conditions and the following disclaimer.
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− 2. Redistributions in binary form must reproduce the above copyright
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−    notice, this list of conditions and the following disclaimer in the
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−    documentation and/or other materials provided with the distribution.
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− 3. The name of the author may not be used to endorse or promote products
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−    derived from this software without specific prior written permission.
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−
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−THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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−IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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−OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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−IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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−INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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−NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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−DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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−THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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−(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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−THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.