1Permission to use, copy, modify, and distribute this software and its 2documentation for any purpose and without fee is hereby granted, provided that 3the above copyright notice appear in all copies and that both that copyright 4notice and this permission notice appear in supporting documentation, and that 5the name of M.I.T. not be used in advertising or publicity pertaining to 6distribution of the software without specific, written prior permission. 7M.I.T. makes no representations about the suitability of this software for any 8purpose. It is provided "as is" without express or implied warranty. 9