 headers, this isn&#8217;t possible,
even when
<a href="rectoverso.html#recto-verso">RECTO_VERSO</a>
is enabled.  RECTO_VERSO switches the left and right parts of
headers on alternate pages, but the centre part remains unchanged.
</p>

<p>
Any time you need distinctly different headers on alternate pages,
mom has macros that let you manually design and determine what goes
into headers on recto pages, and what goes into headers on verso
pages.  The macros are
<a href="#hdrftr-recto">HEADER_RECTO</a>
and
<a h