•Older features of HTML are often deprecated, or phased
out, by the W3C. That does not mean you
can’t continue to use them—you may need to use them
if you are supporting older browsers.
•
•Future Web development is
focusing increasingly on two other languages: XML and XHTML.
•
•XML (Extensible
Markup Language) is a metalanguage like SGML, but
without SGML’s complexity and overhead.