Copyright University of Toronto 1988, 1989, 1994, 1996, 1997, 1998.
	(except where indicated otherwise in source file)
	by John DiMarco and Mark Moraes

	Permission is granted to anyone to use this software for any purpose on
	any computer system, and to alter it and redistribute it freely, subject
	to the following restrictions:

	1. The author(s) and the University of Toronto are not responsible
	   for the consequences of use of this software, no matter how awful,
	   even if they arise from flaws in it.

	2. The origin of this software must not be misrepresented, either by
	   explicit claim or by omission.  Since few users ever read sources,
	   credits must appear in the documentation.

	3. Altered versions must be plainly marked as such, and must not be
	   misrepresented as being the original software.  Since few users
	   ever read sources, credits must appear in the documentation.

	4. This notice may not be removed or altered.


YOU MUST OBSERVE ANY AUTHORS' CONDITIONS WITH RESPECT TO
INDIVIDUAL COMPONENTS PROVIDED WITHIN THIS CODE.  SUPPORT
FOR THE TECHNOLOGIES AND DOCUMENTATION IS NOT PROVIDED
BY SUN MICROSYSTEMS, INC.

THE TECHNOLOGIES AND DOCUMENTATION ARE PROVIDED "AS IS" WITHOUT TECHNICAL
SUPPORT OR WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, OR NON-INFRINGEMENT.