h5bp/html5-boilerplate — pull request #1033 by DrummerHead (2012-03-29 17:56:11+00:00)
Title: Adding other WAI-ARIA landmark roles

I see the "main" div has the role='main' attribute. I think header and footer should also have WAI-ARIA role attributes.

It's consistent and WAI-ARIA attributes help in targeting the header or footer elements that are actually performing as page header or footers. It may seem redundant to have a header element and then say it's a header with another attribute, but the thing is WAI-ARIA attributes can not repeat (taking the role of an id) and are explicitly saying that the element is a header or footer.

Makes sense? :)