All software in this distribution comes under the following copyright notice: Copyright (c) 1988, 1989 by the Regents of the University of California Copyright (c) 1988, 1989 by Adam de Boor Copyright (c) 1989 by Berkeley Softworks Permission to use, copy, modify, and distribute this software and its documentation for any non-commercial purpose and without fee is hereby granted, provided that the above copyright notice appears in all copies. The University of California, Berkeley Softworks and Adam de Boor make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.