$index, &$activesheet,
&$firstsheet, &$str_total,
&$str_unique, &$str_table,
&$url_format, &$parser)
{
// It needs to call its parent's constructor explicitly
$index, &$activesheet,
&$firstsheet, &$str_total,
&$str_unique, &$str_table,
&$url_format, &$parser)
{
// It needs to call its parent's constructor explicitly