ode>case_insensitive_fold_points</code>: Whether or not fold points added via
    <code>lexer.add_fold_point()</code> ignore case.
    The default value is <code>false</code>.</li>
    <li><code>inherit</code>: Lexer to inherit from.
    The default value is <code>nil</code>.</li>
    </ul>
    </li>
    </ul>


    <p>Usage:</p>

    <ul>
    <li><code>lexer.new('rhtml', {inherit = lexer.load('html')})</code></li>
    </ul>


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

    <h3><code>lexer.range</code>(<em>s, e, s