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In the first part of this article, I examined the need and rationale for XML, together with a brief look at the rapidly-increasing number of XML-related technologies. I discussed the basic structure and components of an XML document, played with the document prolog, and spent some time explaining how elements and attributes work. I also explained the difference between well-formed and valid XML, and demonstrated how the document prolog can be used to link an XML document to a DTD.

In this concluding article, I'll be examining some of the other things that go into an XML document, including CDATA, processing instructions, namespaces and entity references. Don't even think about going anywhere!

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