def get_overview(self, ar):
        context = dict(
            obj=ar.obj2str(self.owner),
            user=ar.obj2str(self.user))
        return _(self.message).format(**context)
        # return E.p(
        #     ar.obj2html(self.owner), " ",
        #     _("was modified by {0}").format(self.user))
Return the content to be displayed in the :attr:`overview` field.
dataset/ETHPy150Open lsaffre/lino/lino/modlib/notifier/models.py/Notification.get_overview