This document tracks changes made to public working drafts of Role Attribute 1.0.
Publication of the 13 January 2011 Role Attribute Last Call Working Draft.
Publication of the 26 August 2010 First Public Working Draft. This document was previously published by the XHTML 2 Working Group as XHTML Role Attribute Module. The XHTML 2 Working Group has been closed and the Protocols and Formats Working Group has taken over this deliverable in order to provide the role attribute needed by WAI-ARIA.