;; sbcl non-unicode doesn't support no break space
;; AllegroCL 8-bit strings don't fail on reading #\no-break_space,
;; but can't represent such a character
+ ;; CMUCL errors when trying to read #\no-break_space
#+lispworks #\no-break-space
#+(or (and sbcl sb-unicode) (and allegro ics) clisp) #\no-break_space
)