Textile::TextileThis PHP Method

        function TextileThis($text, $lite = '', $encode = '')
        {
            if ($lite == '' && $encode == '') {
                $text = Markdown($text);
            }
            if (function_exists('SmartyPants')) {
                $text = SmartyPants($text);
            }
            return $text;
        }

function section_save()
{
    global $txpcfg;
    $in = psa(array('name', 'title', 'page', 'css', 'is_default', 'on_frontpage', 'in_rss', 'searchable', 'old_name'));
    extract(doSlash($in));
    if (empty($title)) {
        $title = $name;
    }
    //Prevent non url chars on section names
    include_once $txpcfg['txpath'] . '/lib/classTextile.php';
    $textile = new Textile();
    $title = $textile->TextileThis($title, 1);
    $name = dumbDown($textile->TextileThis($name, 1));
    $name = preg_replace("/[^[:alnum:]\\-_]/", "", str_replace(" ", "-", $name));
    if ($name == 'default') {
        safe_update("txp_section", "page='{$page}',css='{$css}'", "name='default'");
    } else {
        if ($is_default) {
            // note this means 'selected by default' not 'default page'
            safe_update("txp_section", "is_default=0", "name!='{$old_name}'");
        }
        safe_update("txp_section", "name         = '{$name}',\n\t\t\t\ttitle        = '{$title}',\n\t\t\t\tpage         = '{$page}',\n\t\t\t\tcss          = '{$css}',\n\t\t\t\tis_default   = '{$is_default}',\n\t\t\t\ton_frontpage = '{$on_frontpage}',\n\t\t\t\tin_rss       = '{$in_rss}',\n\t\t\t\tsearchable   = '{$searchable}'", "name = '{$old_name}'");
        safe_update("textpattern", "Section='{$name}'", "Section='{$old_name}'");
    }
    sec_section_list(messenger('section', $name, 'updated'));
}