>
> From: Toby Inkster
>
> On Tue, 2006-08-22 at 20:39 +0300, Jukka K. Korpela wrote:
> > The latter uses strongly structural markup. To make the point even 
> > clearer, compare 2<sup>2</sup> by 22. 
>
> Do we even need *any* element for this? What's wrong with U+00B2? Think
> of the poor screen-reader programmers.

<sup> is easier to remember than U+00B2.

Making it faster and easier to write, for example, E=MC<sup>2</sup>