;; defvar and explicitly give it a standard-value property, and
;; call custom-initialize-delay on it.
;; The progn forces the autoloader to include the whole thing, not
-;; just an abbreviated version.
+;; just an abbreviated version. The value is initialized at startup
+;; time, when command-line calls custom-reevaluate-setting on all
+;; the defcustoms in custom-delayed-init-variables. This is
+;; somewhat sub-optimal, as ideally this should be done when Info
+;; mode is first invoked.
;;;###autoload
(progn
(defcustom Info-default-directory-list