Introduction Well-Formed XML Valid XML In the age of world wide information networks, documents must be easily accessible, portable and flexible. They must also be system- and platform-independent, and content-dependent. Generalized markup possesses these features, offering documents a strength not found in other document description languages. The HyperText Markup Language is the Web language of choice, although it is problematic and limiting. XML solves many of the problems Web authors have experienced with HTML and is responsible for XHTML, a recasted HTML, in XML. Web authors and other publishers will be using XML for many years because it offers them an effective and powerful multi-media publishing solution. HTML Version Table of Contents Next