;, the
  first <tt>term</tt> rule took &quot;+&quot; and finally the second <tt>integer</tt>
  rule took &quot;2&quot;.</p>
<p>Please note the special meaning of the first characters appearing on the printed
  lines:</p>
<ul>
  <li>a single <span class="literal">'/'</span> starts a line containing the information
    about a successfully matched parser node (<tt>rule&lt;&gt;</tt>, <tt>grammar&lt;&gt;</tt>
    or <tt>subrule&lt;&gt;</tt>)</li>
  <li>a single <span class="literal">'#'</span> starts a line con