% box - wrap value in cell 
% box :: A -> cell {A}.
%
% NB. this function hides Matlab's box function which
% controls the appearance of the current axis. HOWEVER,
% if this function is called with no return value, then
% box('on') and box('off') control the axis box as before.
% None of the other box arguments patterns work. [sorry]
function y=box(x), 
	if nargout==1, y={x}; else set(gca,'Box',x); end
