Often footnotes are like

"""
blah blah blah<sup><a href="#footnote-1">1</a></sup>
<...>
<hr/>
<ol id="footnotes>
  <li>"blah blah blah" is just some nonsense phrase here</li>
</ol>
"""

BUT....you should be able to backline from the foo to the location the
footnote is inserted.

(See: `jml <jml.txt>`_)