;; :control-stack-grows-downward-not-upward
;; On the X86, the Lisp control stack grows downward. On the
;; other supported CPU architectures as of sbcl-0.7.1.40, the
- ;; system stack grows upward.
+ ;; system stack grows upward.
;; Note that there are other stack-related differences between the
;; X86 port and the other ports. E.g. on the X86, the Lisp control
;; stack coincides with the C stack, meaning that on the X86 there's
;; just parameterized by #!+X86, but it'd probably be better to
;; use new flags like :CONTROL-STACK-CONTAINS-C-STACK.
;;
+ ;; :stack-allocatable-closures
+ ;; The compiler can allocate dynamic-extent closures on stack.
+ ;;
;; operating system features:
;; :linux = We're intended to run under some version of Linux.
;; :bsd = We're intended to run under some version of BSD Unix. (This