Generally, one of the first questions I get when I tell people I work on Visual Studio is "Why does it keep changing my HTML?" Well, that's the less colorful version of the question. Mikhail Arkhipov posted the best public explination of this "feature" I've seen to date. Worth the read if you have this complaint with our editor. Why VS 2003 keeps changing your HTML and what you can (and cannot) do to it.