'Clone the settings from another mode (same class).
This method is called when splitting an editor widget.
:param original: other mode (must be the same class).
.. note:: The base method does not do anything, you must implement
this method for every new mode/panel (if you plan on using the
split feature). You should also make sure any properties will be
propagated to the clones.'

def clone_settings(self, original):

    pass
