(help-mode-hook): Define.

diff --git a/lisp/help.el b/lisp/help.el
index 40cc1dc089ade44722e0b465503fcb6916c79b35..387c4cdd730b2f9b4c460a7cc6576cc154d981e9 100644 (file)
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -136,6 +136,11 @@ The format is (FUNCTION ARGS...).")
 
 (setq-default help-xref-stack nil help-xref-stack-item nil)
 
+(defcustom help-mode-hook nil
+  "Hook run by `help-mode'."
+  :type 'hook
+  :group 'help)
+
 (defun help-mode ()
   "Major mode for viewing help text and navigating references in it.
 Entry to this mode runs the normal hook `help-mode-hook'.