writes "New info on the W3C's Web site as XHTML 1.0 became a W3C Recommendation on Jan. 26. The specification now features a single namespace, and takes a more cautious approach to Internet media types, following feedback from W3C members on the previous version of the specification. "
W3C notes that "XHTML 1.0 is the first step toward a modular and extensible Web based on XML". The full XHTML spec
is also available.