Beans_Lessc::lib_e PHP Method

    protected function lib_e()
    {
        $arg = func_get_arg(0);
        switch ($arg[0]) {
            case "list":
                $items = $arg[2];
                if (isset($items[0])) {
                    return $this->lib_unquote($items[0]);
                }
                return self::$defaultValue;
            case "string":
                $arg[1] = "";
                return $arg;
            case "keyword":
                return $arg;
            default:
                return array("keyword", $this->compileValue($arg));
        }
    }