Further Reading

There is a centralized portal for people developing with XML languages at www.xml.org. The website was formed in 1999 by OASIS, the non-profit Organization for the Advancement of Structured Information Systems, to provide public access to XML information and XML Schemas. You can find everything there from tutorials to case studies.

The website www.w3schools.com/dtd/default.asp has a good DTD Tutorial under the title “Welcome to DTD School.” It also has links to many other tutorials of interest to XML developers.

If you're interested in getting more information on XML and the Java XML API, be aware there are a few items we haven't covered. First, there is an additional XML mark-up tag, known as a “processing instruction.” ...

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