/div>

<p>
To change the text (the &#8220;string&#8221;) of the left, centre,
or right part of headers, invoke the appropriate macro, above,
with the string you want.  For example, mom, by default, prints
the document&#8217;s author in the header-left position.  If your
document has, say, two authors, and you want both their names to
appear header-left, change HEADER_LEFT like this:
<br/>
<span class="pre-in-pp">
  .HEADER_LEFT "R. Stallman, E. Raymond"
</span>
</p>

<p>
Because the arguments to HEADER_LEFT