{
{   The purpose of this procedure is to requeue the specified message list
{ on the queue for the system input task to process. The caller must ensure
{ that there is at least one message in the list. The system input task is
{ readied after the messages have been requeued.
{
{       NLP$REQUEUE_MSGS_FOR_INPUT_TASK (RECEIVED_MESSAGES)
{
{ RECEIVED_MESSAGES: (input) This parameter specifies the list of received
{       messages.
{
