XHTML is the newest version of HTML. We refer to XHTML and
The history of HTML at W3C starts with HTML 3.2, code named
Wilbur, which was followed a few years later by HTML 4.0, then
HTML 4.01. HTML 4.01 is the last version of HTML, and is also
the final W3C specification to define the semantics of markup.
XHTML 1.1 has slighly improved the semantics of HTML 4.01