Although a number of different markup languages exist, HTML and XML are two of the most commonly used markup languages. In recent times, HTML and XML have become two of the most popular ...

XHTML been an XML-based version of HTML and has been the subject of several W3C efforts ranging from XHTML 1.0 to XHTML Modularization and XHTML 2. The 2 version of the XHTML language was to offer ...