I'd think :AUTO-CLOSE should be keyword parameter of OPEN, defaulting to *STREAM-AUTO-CLOSE-BEHAVIOUR* which is NIL by default, but can also be T, :WARN, and :ERROR.
I'd think :AUTO-CLOSE should be keyword parameter of OPEN, defaulting to AUTO-CLOSE- BEHAVIOUR* which is NIL by default, but
*STREAM-
can also be T, :WARN, and :ERROR.