Since the inception of XML, many developers have wondered why we need XML... How is it better than HTML and what does it do? For starters, XML is far more powerful than HTML, and the power resides in the "X" in XML (which stands for extensible). Rather than providing a set of pre-defined tags (as in the case of HTML), XML specifies the standards with which you can define your own markup languages with their own sets of tags. XML is therefore a meta-markup language, allowing you to define an infinite number of markup languages based upon the standards defined by XML....
