The XML FAQ  Maintained by Peter Flynn

A. General questions
A.1 What is XML?
A.2 What is XML for?
A.3 What is SGML?
A.4 What is HTML?
A.5 Aren't XML, SGML, and HTML all the same thing?
A.6 Who is responsible for XML?
A.7 Why is XML such an important development?
A.8 Why not just carry on extending HTML?
A.9 Why do we need all this SGML stuff? Why not just use Word or Notes?
A.10 Where do I find more information about XML?
A.11 Where can I discuss implementation and development of XML?
A.12 What is the difference between XML and C or C++?