Thread:Support/Lqt-feed-title-all-from

Seems that optional PLURAL support for it isn't working. With current translation on /et it displays title on |newthreads&talkpage=Support&feedformat=rss RSS page as "Uued postitused lehekülgedel Support". But should be leheküljel despite lehekülgedel as there is one referenced page (Support), shouldn't it? Same kind of optional PLURAL support is on and, but I don't know where these appear to check whether working.