[e] (0) I can't work out how to describe how they're different without this turning into a long treatise. In fact, I can't really see any way in which they are the same, at this point, other than the name.
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@8146 340c8d12-0b0e-0410-8428-c7bf67bfef74