function getGuestSubscriptions(NewsletterGuest $g)
{
$ret = array();
foreach ($g->getLists() as $list_id) {
$s = @$this->lists[$list_id];
if (strlen($s) > 20) {
$s = substr($s, 0, 20) . '..';
}
$ret[] = $s;
}
return join(", ", $ret);
}
