                      |   |                        |     
    +------------------------+   +------------------------+     
</span>
</p>

<p>
There are two steps to padding the string argument passed to HEADER_RECTO
(if you&#8217;re unsure what padding is, see
<a href="goodies.html#pad">Insert space into lines</a>).
</p>
<ol style="margin-top: -.5em; margin-left: -.5em; margin-bottom: -.5em;">
  <li>Begin and end the string (inside the double-quotes) with the caret character (<kbd>^</kbd>).</li>
  <li>Enter 