whose instances can be used wherever ordinary ANSI streams can be used)
.TP 3
\--
-weak pointers and finalization (which have unfortunately
-suffered from at least some code rot, so that \fIe.g.\fR weak hash
-tables don't work)
+weak pointers and finalization
.PP
Fundamental system interface extensions are also provided:
Size of the dynamic space reserved on startup in megabytes. Default value
is platform dependent.
.TP 3
+.B \-\-control-stack-size <megabytes>
+Size of control stack reserved for each thread in megabytes. Default value
+is 2.
+.TP 3
.B \-\-noinform
Suppress the printing of any banner or other informational message at
startup. (This makes it easier to write Lisp programs which work