Hi all,

I like to have `show-paren-mode' in my Lisp buffers. However, it will
fail to match the parens in commented multi-line expressions like this
one:

;; =>
;; (0
;;  (1
;;   (2
;;    (3 (4 (5 (6 (7 (8 (9 ()))))))))))

I attach a patch to ignore these failures.