Appendix DMigrating from HTML to XHTML
Although the relationship between HTML and XHTML has been covered in several places throughout the book, I felt it would be beneficial to have all the information in one place. This appendix serves as a reference for quickly obtaining the information regarding the differences between HTML 4 and XHTML 1.1, which are the primary two web standards involved in web page creation.
Differences Between XHTML 1 and HTML 4
XHTML 1.1 is an improved version of HTML 4 that plays by the more rigid rules of XML. Fortunately, most of the differences between XHTML and HTML don’t dramatically impact the overall structure of HTML documents. Migrating an HTML document to XHTML is more a matter of cleaning and tightening ...
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