private function handleQuote(array &$emailAddress)
    {
        if ($emailAddress['quote_temp']) {
            $emailAddress['name_parsed'] .= $emailAddress['quote_temp'];
            $emailAddress['name_quoted'] = true;
            $emailAddress['quote_temp'] = '';
        } elseif ($emailAddress['address_temp']) {
            $emailAddress['name_parsed'] .= $emailAddress['address_temp'];
            $emailAddress['name_quoted'] = $emailAddress['address_temp_quoted'];
            $emailAddress['address_temp_quoted'] = false;
            $emailAddress['address_temp'] = '';
            if ($emailAddress['address_temp_period'] > 0) {
                $emailAddress['invalid'] = true;
                $emailAddress['invalid_reason'] = 'Periods within the name of an email address must appear in quotes, such as "John Q. Public" <john@qpublic.com>';
            }
        }
    }