COPYRIGHT Portions copyright 1988 Evans & Sutherland Computer Corporation; portions copyright 1989 Hewlett-Packard Company and the Massachusetts Institute of Technology, See X(1) for a full statement of rights and permissions. AUTHORS Tom LaStrange, Solbourne Computer; Jim Fulton, MIT X Consortium; Steve Pitschke, Stardent Computer; Keith Packard, MIT X Consortium; Dave Sternlicht, MIT X Consortium; Dave Payne, Apple Computer; Claude Lecommandeur, Swiss Polytechnical Institute of Lausanne (lecom@sic.epfl.ch); Richard Levitte (richard@levitte.org).