Copyright (c) 2000-2011, Brian Smith <brian@dbsoft.org>
Copyright (c) 2003-2010, Mark Hessling <mark@rexx.org>
Copyright (c) 2002, Nickolay V. Shmyrev <shmyrev@yandex.ru>
Copyright (c) 2000, Achim Hasenmueller <achimha@innotek.de>
Copyright (c) 2000, Peter Nielsen <peter@pmview.com>
Copyright (c) 1998, Sergey I. Yevtushenko
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 * The names of its contributors may not be used to endorse or promote products
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