Chapter 16: Understand the Future of XHTML

Overview

How to…

• Understand XML

• Understand XHTML 1.1

• Create a page with XML

• Create a style sheet for your XML page

If you’ve been working through this book chapter by chapter, you have observed firsthand the similarities between XHTML and its predecessor HTML. You have learned about XHTML’s stricter requirements and what must be done to write well-formed and valid documents. However, so far you’ve seen only hints about XHTML’s potential for expansion—its extensibility. In this chapter, you will learn how skilled XHTML authors can actually extend this language with new elements and attributes.