yeah, like using <i> for icons http://www.w3.org/TR/html4/present/graphics.html#edef-I
Notice, also, that the rfc talks specifically about classifying the alternate meaning, appropriately, with the class attribute.
Edit: I wonder what motivated it. "i" for images and no one uses it to italicize text anymore?
http://www.whatwg.org/specs/web-apps/current-work/multipage/...
<excerpt> How to use
With v2.0.0, we have opted to use an <i> tag for all our icons, but they have no case class—only a shared prefix. To use, place the following code just about anywhere:
<i class="icon-search"></i>
</excerpt>[class^="icon-"]