DTM_REVIEW> PRINT/DIFFERENCES
   %DTM-S-PRINT,  file DUA1:[USER01.DTMLIB.MAIL_COLLECTION]MAIL_TEST.DIF of
   test MAIL_TEST selected for printing
   DTM_REVIEW> EXIT
   %DTM-S-PRINTQD, print job has been sent to the print queue
   -DTM-I-TEXT, Job MAIL_TEST (queue SYS$PRINT, entry 32) started on SYS$PRINT
   %DTM-S-EXIT, leaving Review subsystem
   DTM>

   This example shows how to queue the differences file for
   printing.