XHTML Is Dead, Long Live XML-Valid HTML515:40 on 2010-10-29 (ttk.me b/48X1) using BBEdit Four years and two days ago, Tim Berners-Lee wrote Reinventing HTML where he infamously admitted: "It is necessary to evolve HTML incrementally. The attempt to get the world to switch to XML, including quotes around attribute values and slashes in empty tags and namespaces all at once didn't work." and then we