Copyright ©1995-2000 Matthew Flatt
Permission to make digital/hard copies and/or distribute this documentation for any purpose is hereby granted without fee, provided that the above copyright notice, author, and this permission notice appear in all copies of this documentation.
libscheme: Copyright ©1994 Brent Benson. All rights reserved.
Conservative garbage collector: Copyright ©1988, 1989 Hans-J. Boehm, Alan J. Demers. Copyright ©1991-1996 by Xerox Corporation. Copyright ©1996-1998 by Silicon Graphics. All rights reserved.
Collector C++ extension by Jesse Hull and John Ellis: Copyright ©1994 by Xerox Corporation. All rights reserved.