Is it possible to use JSF+Facelets with HTML 4/5?

Question

Facelets relies on XML namespaces to work with XHTML. How are HTML 4, and as far as I know, HTML 5 do not support namespaces. Also HTML 5 has some new elements that are not

Answer 1

On a related note, check out this IBM developerWorks article: JSF 2 fu: HTML5 composite components, Part 1