def split(self, direction, *item_names):
            self.apply_layout_op('split_area', direction, *item_names)
Update the :attr:`insert_layout` of this actor,
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/widgets/dock_area.py/DockArea.split--crossover with--dataset/ETHPy150Open lsaffre/lino/lino/core/actors.py/Actor.set_insert_layout