def send_one_last_digest_to(address, delivery_mode):
    """Make sure to send one last digest to an address.

        This is used when a person transitions from digest delivery to regular
        delivery and wants to make sure they don't miss anything.  By
        indicating that they'd like to receive one last digest, they will
        ensure continuity in receiving mailing lists posts.

        :param address: The address of the person receiving one last digest.
        :type address: `IAddress`
        :param delivery_mode: The type of digest to receive.
        :type delivery_mode: `DeliveryMode`
        """
