%ISHANDLE True for graphics handles.
%   ISHANDLE(H) returns an array that contains 1's where the elements
%   of H are valid graphics handles and 0's where they are not.

%   Copyright 1984-2000 The MathWorks, Inc. 
%   $Revision: 1.7 $  $Date: 2000/06/01 02:54:12 $
%   Built-in function.
