he heads entirely in, say, blue (set
with HEADER_COLOR), and the header rule in, say, red.
</p>

<div class="box-tip">
<p class="tip">
<span class="note">Note:</span>
Replace HEADER_, above, with FOOTER_ to change the colour of the
footer rule.
</p>
</div>

<div class="rule-short"><hr/></div>

<!-- -USERDEF_HDRFTR- -->

<h2 id="userdef-hdrftr-rv" class="macro-group">User-defined, single string recto/verso headers/footers</h2>

<p>
Sometimes, you&#8217;ll find you can&#8217;t get mom&#8217;s
handling of 3-pa