Markdown_Parser::_doHeaders_callback_setext PHP Method

    function _doHeaders_callback_setext($matches)
    {
        # Terrible hack to check we haven't found an empty list item.
        if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1])) {
            return $matches[0];
        }
        $level = $matches[2][0] == '=' ? 1 : 2;
        $block = "<h{$level}>" . $this->runSpanGamut($matches[1]) . "</h{$level}>";
        return "\n" . $this->hashBlock($block) . "\n\n";
    }