if (!$list || !$user || $list->tagger != $user->id) {
// TRANS: Client exception. %s is a feed URL.
throw new ClientException(sprintf(_m('Invalid hub.topic %s; list does not exist.'),$feed));
if (!$list || !$user || $list->tagger != $user->id) {
// TRANS: Client exception. %s is a feed URL.
throw new ClientException(sprintf(_m('Invalid hub.topic %s; list does not exist.'),$feed));