I think this extension should be install for some of others wiki also use length url which diffcult for share and read as Russian or Vietnamese.
See example for: "Korean War" in 4 languages:
- English: https://en.wikipedia.org/wiki/Korean_War
- Vietnamese: https://vi.wikipedia.org/wiki/Chi%E1%BA%BFn_tranh_Tri%E1%BB%81u_Ti%C3%AAn
- Russian: https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D1%80%D0%B5%D0%B9%D1%81%D0%BA%D0%B0%D1%8F_%D0%B2%D0%BE%D0%B9%D0%BD%D0%B0
- Japanese: https://ja.wikipedia.org/wiki/%E6%9C%9D%E9%AE%AE%E6%88%A6%E4%BA%89