W3C:

2008-05-26: The XHTML 2 Working Group has published the Last Call Working Draft of XHTML Access Module. This document is intended to help make XHTML-family markup languages more effective at supporting the needs of the accessibility community. It does so by providing a generic mechanism for defining the relationship between document components and well-known accessibility taxonomies. Comments are welcome through 16 June. Learn more about the HTML Activity. (Permalink)