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

bound before testing its value for being nil.

diff --git a/lisp/help.el b/lisp/help.el
index c3dfc518aaf26c1d1d56076ac978b3e09a6f2c6b..2950ffd59299bbbdd81bf588b53fa92b6683fe67 100644 (file)
--- 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))