The only things I ask you to have are a computer, a text
editor that can create simple ASCII text files, and copies of the latest leading
web browsers -- preferably Netscape Navigator and Internet Explorer. Because
HTML and XHTML documents are stored in a universally accepted format -- ASCII
text -- and because the languages are completely independent of any specific
computer, we won't even make an assumption about the kind of computer you're
using. However, browsers do vary by platform and operating system, which means
that your HTML or XHTML documents can look quite different depending on the
computer and browser version. We explain how the various browsers use certain
language features, paying particular attention to how they are different.
If you are new to HTML, the Web, or hypertext documentation in
general, you should start by reading Chapter 1. In it, we describe how all
these technologies come together to create webs of interrelated documents.
If you are already familiar with the Web, but not with HTML or
XHTML specifically, start by reading Chapter 2. This chapter is a brief
overview of the most important features of the language and serves as a roadmap
to how we approach the language in the remainder of the book.
Subsequent chapters deal with specific language features in a
roughly top-down approach to HTML and XHTML. Read them in order for a complete
tour through the language, or jump around to find the exact feature you're
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