XHTML by Example

What's Missing?

So far we've explored ways to describe the contents of a document; to identify specific properties such as the author of the document, copyright statements, and creation or modification dates; as well as methods used to enhance the machine-processibility of the page. So what's missing?

A frequently heard complaint in some Web design circles is the inability to exert precise control over the presentation of their Web sites. These authors might not want a browser to attempt to render the document if it can't handle some portions of it, preferring to miss out on that visitor rather than change the display of the page content. Others might have preferences as to the path of substitution a browser takes if it can't render the document ...