def D(self):
        return WEEKDAYS_ABBR[self.data.weekday()]
Sets the items's description. See L{getDescription} for
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/utils/dateformat.py/DateFormat.D--crossover with--dataset/ETHPy150Open rwl/muntjac/muntjac/ui/menu_bar.py/MenuItem.setDescription