DrDoc - 8:48 pm on Jun 20, 2013 (gmt 0)
Let's also not confuse things ...
<h2>Subheading</h2> <-- also "subheading", not simply "some other header"
If you want a tagline or similar to your header, and are using h2 because it's visually different, then you are using it wrong. h1 and h2 are semantically different.
I feel that we are getting into the same ol' "div vs table" argument here, where people use elements to provide a visual difference, rather than considering what's proper.
Too many times have I seen:
... when people actually meant: