%ISSTR  True for character array (string).
%   ISSTR has been renamed to ISCHAR.  ISSTR still works but may be
%   removed in the future.  Use ISCHAR instead.
%
%   See also ISCHAR, CHAR.

%   Copyright 1984-2002 The MathWorks, Inc. 
%   $Revision: 5.12 $  $Date: 2002/04/15 03:53:11 $
%   Built-in function.