{
{    The purpose of this request is to notify the appropriate processes that a
{ file has exceeded its expiration time in the output queue.  This request also
{ sets the time at which the next file will expire.
{
{       QFP$PURGE_EXPIRED_FILE (SYSTEM_FILE_NAME_TO_DELETE,
{             OUTPUT_DESTINATION_USAGE);
{
{ SYSTEM_FILE_NAME_TO_DELETE: (output)  This is the system file name of the
{       output file in the queue to delete.  If this string is empty, no file
{       should be deleted.
{
{ OUTPUT_DESTINATION_USAGE: (output)  This is the output destination usage of
{       the output file to be deleted.
