.; This is the SY command implemented through enhanced indirect command files
.ENABLE SUBSTITUTION
.ENABLE SILENT
.IFNDF $P1 .ASKS $P1 What device should I assign SY: to?
.TEST $P1
.SETN LEN <STRLEN>
.SETS CHAR $P1[LEN:LEN]
.IF LEN <> 0 .IF CHAR <> ":" .SETS $P1 $P1+":"
ASN '$P1'=SY: