p-level comment.
      This option is disabled by default.
      This is an alias for <code>lexer.property['fold.line.comments'] = '1|0'</code>.</p>

    <p><a id="lexer.fold_on_zero_sum_lines"></a></p>

    <h3><code>lexer.fold_on_zero_sum_lines</code> (boolean)</h3>

    <p>Whether or not to mark as a fold point lines that contain both an ending
      and starting fold point. For example, <code>} else {</code> would be marked as a fold
      point.
      This option is disabled by default.
      This is a