Grouping and such is a stylistic concern, though - as long as the document expresses a footnote semantic, that's all it has to do. For the rest, we have a CSS Module that will cover that area, the Generated and Replaced Content module [1]. By an astonishing coincidence, the editor of this module is no less than Ian himself.
[1]: http://www.w3.org/TR/css3-content/ ~TJ In that case why don't they drop the abbr, dfn, cite, mark etc. elements? They can be styled through CSS as well and be semantically determined by using a class-name just as sugested for footnotes. Bert
