// If the user can see deleted revisions, pull out the corresponding
// titles from the archive table and include them too. We ignore
// ar_page_id because deleted revisions are tied by title, not page_id.
// If the user can see deleted revisions, pull out the corresponding
// titles from the archive table and include them too. We ignore
// ar_page_id because deleted revisions are tied by title, not page_id.