%
% Copyright 2002 Sebastian Rahtz/Oxford University  
%      <sebastian.rahtz@oucs.ox.ac.uk>
%
% Permission is hereby granted, free of charge, to any person obtaining
% a copy of this software and any associated documentation files (the
% ``Software''), to deal in the Software without restriction, including
% without limitation the rights to use, copy, modify, merge, publish,
% distribute, sublicense, and/or sell copies of the Software, and to
% permit persons to whom the Software is furnished to do so, subject to
% the following conditions:
% 
% The above copyright notice and this permission notice shall be included
% in all copies or substantial portions of the Software.