[eli]

Offtopic, but I'm not sure <article> means what you think it means. It could be an article like in a magazine, but according to the spec it's for any "self-contained composition in a document" like a widget or a comment. Each page could have many <article>s. It's definitely not intended to indicate "this is the main content of the page."

Lots of people are confused though. This is one of the many problems with semantic markup in the real world.