.ENABLE SUBSTITUTION
.ASKS DEV ENTER DEVICE OF SX:[5,10]  (DDuu:)
.SETS COL DEV[<STRLEN>:<STRLEN>]
.IF COL NE ":" .SETS DEV DEV+":"
.IF <STRLEN> EQ 0 .SETS DEV "SY:"
ASN 'DEV'=SX:/GBL
SET /PUB=SX:
MOU SX:/OVR
