The Missing Credits Introductien Part One: Meet the New Language Chapter 1: Introducing HTML5 The Story of HTML5 XHTML 1.0: Getting Strict XHTML 2: The Unexpected Failure HTMLS: Back From the Dead. HTML: The Living Language Three Key Principles of HTML5 1. Don't Break the Web. 2. Pave the Cowpaths. 3. Be Practical. Your First Look at HTML5 Markup The HTML5 Doctype Character Encoding The Language Adding a Style Sheet Adding JavaScript The Final Product. A Closer Look at HTML5 Syntax The Loosened Rules HTML5 Validation. The Return of XHTMI Part Therr:Building Web Apps With Desktop Smarts Part Four:Appendixes Appendix A:A Very Short Introduction to CSS Appendix B:A Very Short Introduction to JavaScript Inecs