Doesn't work on Special:Ask, though works in {{#ask:}}
(see http://wikimo.ru/w/index.php?title=Проект:Новости#Календарь). Example: http://wikimo.ru/w/index.php?title=%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F%3AAsk&q=[[%D0%9D%D0%BE%D0%B2%D0%BE%D1%81%D1%82%D1%8C%3A%2B]]+[[%D0%A2%D0%B5%D0%BA%D1%81%D1%82%3A%3A%2B]]+[[ID%3A%3A%2B]]&po=%D0%94%D0%B0%D1%82%D0%B0+%D1%81%D0%BE%D0%B1%D1%8B%D1%82%D0%B8%D1%8F%0D%0AID%0D%0A%D0%9C%D0%B5%D1%81%D1%82%D0%BE%0D%0A%D0%97%D0%B0%D0%B3%D0%BE%D0%BB%D0%BE%D0%B2%D0%BE%D0%BA%0D%0A%D0%A2%D0%B5%D0%BA%D1%81%D1%82&eq=yes&p[format]=calendar&sort_num=&order_num=ASC&p[limit]=200&p[offset]=&p[link]=all&p[sort]=&p[headers]=show&p[mainlabel]=&p[intro]=&p[outro]=&p[searchlabel]=%E2%80%A6+%D1%81%D0%BB%D0%B5%D0%B4%D1%83%D1%8E%D1%89%D0%B8%D0%B5+%D1%80%D0%B5%D0%B7%D1%83%D0%BB%D1%8C%D1%82%D0%B0%D1%82%D1%8B&p[default]=&p[lang]=&p[template]=%D0%9F%D0%BE%D0%BA%D0%B0%D0%B7%D0%B0%D1%82%D1%8C+%D0%BD%D0%BE%D0%B2%D0%BE%D1%81%D1%82%D1%8C{{!}}%D0%B1%D0%B5%D0%B7+%D0%B4%D0%B0%D1%82%D1%8B%3D%D0%B4%D0%B0&p[userparam]=&p[color]=&p[colors]=&eq=yes.