omments. The <a href="#lexer.add_fold_point"><code>lexer.add_fold_point()</code></a> function
    allows you to conveniently define fold points with such granularity. For
    example, consider C:</p>

    <pre><code>
    lex:add_fold_point(lexer.OPERATOR, '{', '}')
    lex:add_fold_point(lexer.COMMENT, '/*', '*/')
    </code></pre>

    <p>The first assignment states that any &lsquo;{&rsquo; or &lsquo;}&rsquo; that the lexer recognized as
    an <code>lexer.OPERATOR</code> token is a fold point. Likewise, t