%WARNING Display warning message.
%   WARNING('MSG') displays the text MSG like DISP except that it
%       can be suppressed.
%   WARNING OFF suppresses all subsequent warning messages.
%   WARNING ON displays all subsequent warning messages (without a
%       backtrace). 
%   WARNING BACKTRACE is the same as WARNING ON except that the file
%       and line number that produced the warning is displayed.
%   WARNING DEBUG is the same as DBSTOP IF WARNING and triggers the
%       debugger when a warning is encountered.
%
%   WARNING ONCE displays Handle Graphics backwards compatibility warnings
%       only once per session.
%   WARNING ALWAYS displays Handle Graphics backwards compatibility
%       warnings as they are encountered (subject to the current warning
%       state).
%
%   [S,F] = WARNING returns the current warning state S and the current
%   warning frequency F as strings.
%   
%   See also DISP, ERROR, DBSTOP.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 1.9 $  $Date: 1997/11/21 23:38:12 $
%   Built-in function.
