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Copyright (c) 2004-2009 Zope Corporation and Contributors.
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This software is subject to the provisions of the Zope Public License,
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Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
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THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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FOR A PARTICULAR PURPOSE.