Sure, but the article makes it look like language encoded in the url is all wrong, while I think that (most of the time) it is exactly what you want. ACCEPT_LAN

Sure, but the article makes it look like language encoded in the url is all wrong, while I think that (most of the time) it is exactly what you want. ACCEPT_LANGUAGE is a perfect for educated guessing of a users preferred language, but not for referencing an article.