Copyright (C) 1999-2005 MIYASAKA Masaru <alkaid@coral.ocn.ne.jp>

Permission to use, copy, modify, and distribute this software and
its documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and
that both that copyright notice and this permission notice appear
in supporting documentation. This software is provided "as is"
without express or implied warranty.