$ IF xxx .EQS. "Encode/JP" THEN goto ext_loop ! sub extension - omit
$ IF xxx .EQS. "Encode/KR" THEN goto ext_loop ! sub extension - omit
$ IF xxx .EQS. "Encode/TW" THEN goto ext_loop ! sub extension - omit
+$ IF xxx .EQS. "B/C" THEN goto ext_loop ! sub extension - omit
$ IF F$EXTRACT(0,8,line) .EQS. "vms/ext/" THEN -
xxx = "VMS/" + F$EXTRACT(8,line_len - 20,line)
$ known_extensions = known_extensions + " ''xxx'"