at any argument other than those in the argument
      list turns the macro off.
  </li>
</ol>

<h3 id="toggle-macro" class="docs">Toggle macros</h3>

<p>
Some macros don&#8217;t require an argument.  They simply start
something.  When you need to turn them off, the same macro with
any argument will do the trick.  That&#8217;s right: <em>any</em>
argument (in caps, lowercase, or a mixture thereof).  This permits
choosing whatever works for you: <kbd>OFF</kbd>, <kbd>end</kbd>,
<kbd>Quit</kbd>, <kbd>Q</kbd>, 