(describe-mode): Test mini-mode symbol for being

bound before testing its value for being nil.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/help.el b/lisp/help.el
index c3dfc518aaf..2950ffd5929 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -357,7 +357,8 @@ For minor modes, see following pages.\n\n"))
           ;; Document a minor mode if it is listed in minor-mode-alist,
           ;; bound locally in this buffer, non-nil, and has a function
           ;; definition.
-          (if (and (symbol-value minor-mode)
+          (if (and (boundp minor-mode)
+                   (symbol-value minor-mode)
                    (fboundp minor-mode))
               (let ((pretty-minor-mode minor-mode))
                 (if (string-match "-mode$" (symbol-name minor-mode))