a>
in the introduction to headers/footers, headers and footers are
something you don&#8217;t normally have to worry much about. Mom
usually knows what to do.
</p>

<p>
However, situations do arise where you need to manipulate what goes
in the header/footer strings, setting and resetting them as you go
along.
</p>

<p>
A case where you might want to do this would be if you want to
output endnotes at the end of each document in a series of
<a href="rectoverso.html#collate">collated</a>
documents, and you want