[PD] Closing patches via pd message

[Martin Peach]

Miller Puckette wrote:

> I'm thinking of adding an option to allow clean windows to close
>without objecting, but am not sure what form this should take..  I think it's
>best to default to the most careful policy, but there should be a "settings"
>panel to defeat that.   Or possibly, the patch itself should somehow declare
>itself precious, otherwise closing it doesn't complain.  Not sure which
>way to go with it yet.
>
>  
>

How about if there is anything to 'Undo' in  the Edit menu, the user is 
asked if they want to save the changes?

Martin