With different versions, many infrequently used elements and attributes, and ways that different browsers interpret the language, only a comprehensive and up-to-date reference, like this book, has been completely closed. Written by one of the most renowned experts in the world of HTML, this is a comprehensive reference that you will return to time and time again. This cross-referenced, easy to use book covers: Each element and attribute in HTML and XHTML specifications, including examples of correct usage and ownership Coverage obsolete elements detailed information on browser compatibility will save you hours of painful debugging and frustration