Description: Back in April I made the case for writing weblog entries in XHTML, using CSS for a dual purpose: to control presentation and as hooks for structured search. I then started to accumulate well-formed content, writing CSS class attributes with an eye toward data mining, and flowing XHTML content through my RSS feed. Here's a recap of the basic elements of the plan sketched out in my June column : (X)HTML source SpiderPhone I'm...