Is there a preference setting somewhere, where I can ask PD to default the Delete button to delete the symbol, instead of the object ?
I don't like the "destructive" default that Sybase choose to go with it, which is to delete the object. It should have the reverse as the normal action would be that you want to add and remove things from a diagram. Deleting the object from the entire model would be the next step that you want to take sometimes.