# sons is expected to be a list of the contained plugins, and
# active_domid is the domid for the one son that should be displayed as active
# some subclasses of Composite, like e.g. Tabs, will not behave as expected
# sons is expected to be a list of the contained plugins, and
# active_domid is the domid for the one son that should be displayed as active
# some subclasses of Composite, like e.g. Tabs, will not behave as expected