Chapter 3. The Extensible Markup Language

This chapter provides a general overview of XML. If you are familiar with XML, feel free to skip ahead to Chapter 4.

James Clark invented the name Extensible Markup Language and its abbreviation XML. He has been quoted as saying, “XML isn't going to win any prizes for technical elegance. But it was just simple enough that it could get broad acceptance, and it has just enough Standard Generalized Markup Language (SGML) stuff in it that the SGML community felt they could embrace it.” (SGML is a standard indicating how to specify a document language or tag set.)

A markup language is a mechanism for identifying ...

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