Copyright (C) 1996, 1997 by Frank Bennett. All rights reserved. IMPORTANT NOTICE: You are not allowed to change this file. You may however copy this file to a file with a different name and then change the copy if (a) you do not charge for the modified code, (b) you acknowledge the author(s) in the new file, if it is distributed to others, and (c) you attach these same conditions to the new file. You are not allowed to distribute this file alone. You are not allowed to take money for the distribution or use of this file (or a changed version) except for a nominal charge for copying etc. You are allowed to distribute this file under the condition that it is distributed with all of its contents, intact.