How Is This Book Organized?

I've organized this book into two sections. The first focuses on HTML, the language used to structure the document and its contents.

NOTE

Although HTML is still in use, it has been reformulated into a language known as Extensible Markup Language (XHTML). For general purposes, they are essentially the same, with the exception that XHTML can be extended in ways beyond the scope of the book. However, to keep up-to-date and to get you working with modern markup, XHTML is used in this book. In fact, it's an important point that I tend to use the terms HTML and XHTML interchangeably, even though they are, in fact, a bit different.

You'll learn more about HTML and XHTML in the book's first section, which contains the ...

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