Copyright © 1990-1994 The Regents of the University of California Copyright © 1990-1994 The Regents of the University of California. Copyright © 1992-1995 Karl Lehenbauer and Mark Diekhans. Copyright © 1993-1997 Bell Labs Innovations for Lucent Technologies Copyright © 1994-1998 Sun Microsystems, Inc. Copyright © 1998 Mark Harrison. Copyright © 1998-1999 Scriptics Corporation Copyright © 1998-1999 Scriptics Corporation. Copyright © 1995-1997 Roger E. Critchlow Jr.