* lisp/info-look.el (info-lookup-mode): Shorten variable docstring by
removing information that is auto-generated by 'describe-variable'.
(cherry picked from commit
ecac8ca62ea1dab8cf353ff4274469840ce3d0c9)
(defvar-local info-lookup-mode nil
"Symbol of the current buffer's help mode.
-Help is provided according to the buffer's major mode if value is nil.
-Automatically becomes buffer local when set in any fashion.")
+Help is provided according to the buffer's major mode if value is nil.")
(defcustom info-lookup-other-window-flag t
"Non-nil means pop up the Info buffer in another window."