* To conform to validator's expectations, `doc-footnote` role is used
with `aside` and `doc-endnotes` with `section`.
* `aside` is used only for notes at ends of sections or blocks;
if all the notes come at the end of the document, `section` is
used so we can have the `doc-endnotes` role.
John MacFarlane
41da8ad9e0
