Copyright 1992-94, 1997 John Bovey, University of Kent at Canterbury.

Redistribution and use in source code and/or executable forms, with
or without modification, are permitted provided that the following
condition is met:

Any redistribution must retain the above copyright notice, this
condition and the following disclaimer, either as part of the
program source code included in the redistribution or in human-
readable materials provided with the redistribution.

THIS SOFTWARE IS PROVIDED "AS IS".  Any express or implied
warranties concerning this software are disclaimed by the copyright
holder to the fullest extent permitted by applicable law.  In no
event shall the copyright-holder be liable for any damages of any
kind, however caused and on any theory of liability, arising in any
way out of the use of, or inability to use, this software.

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In other words, do not misrepresent my work as your own work, and
do not sue me if it causes problems.  Feel free to do anything else
you wish with it.