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   Copyright (c) 1994 Hewlett-Packard Company
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   Copyright (c) 1996,97 Silicon Graphics Computer Systems, Inc.





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   Copyright (c) 1997 Moscow Center for SPARC Technology.





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   Copyright (c) 1997 Mark of the Unicorn, Inc.





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   Copyright (c) 1999-2003 Boris Fomitchev





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   Copyright (c) 2000 Jens Maurer





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   Copyright (c) 2003-2008 Francois Dumont





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   Copyright (c) 1997-2010 Petr Ovtchenkov





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   Copyright (c) 2008-2009 Dmitry Osmakov





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   This material is provided "as is", with absolutely no warranty expressed





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   or implied. Any use is at your own risk.





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   Permission to use or copy this software for any purpose is hereby granted





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   without fee, provided the above notices are retained on all copies.





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   Permission to modify the code and to distribute modified code is granted,





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   provided the above notices are retained, and a notice that the code was





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   modified is included with the above copyright notice.