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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any





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purpose, including commercial applications, and to alter it and





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redistribute it freely, subject to the following restrictions:





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1. The origin of this software must not be misrepresented; you must





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not claim that you wrote the original software. If you use this





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software in a product, an acknowledgment in the product documentation





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would be appreciated but is not required.





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2. Altered source versions must be plainly marked as such, and





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must not be misrepresented as being the original software.





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3. This notice may not be removed or altered from any source





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distribution.