(help-mode-maybe): New function, on temp-buffer-show-hook.

(describe-key, describe-mode): Don't call help-mode here.
(view-lossage, describe-function, describe-variable): Likewise.

diff --git a/lisp/help.el b/lisp/help.el
index 867ab33a5afcefb714f7da01ca2e42541d932748..23901132b058456732cc244c007f5a5da7377804 100644 (file)
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -127,6 +127,12 @@ Commands:
   (setq view-no-disable-on-exit t)
   (run-hooks 'help-mode-hook))
 
+(defun help-mode-maybe ()
+  (if (eq major-mode 'fundamental-mode)
+      (help-mode)))
+
+(add-hook 'temp-buffer-show-hook 'help-mode-maybe)
+
 (defun help-quit ()
   (interactive)
   nil)
@@ -289,9 +295,6 @@ If FUNCTION is nil, applies `message' to it, thus printing it."
                  (progn (terpri)
                         (princ doc))
                (princ "not documented")))
-           (save-excursion
-             (set-buffer standard-output)
-             (help-mode))
            (print-help-return-message)))))))
 
 (defun describe-mode ()
@@ -334,9 +337,6 @@ followed by the major mode, which is described on the last page.\n\f\n"))
     (princ mode-name)
     (princ " mode:\n")
     (princ (documentation major-mode))
-    (save-excursion
-      (set-buffer standard-output)
-      (help-mode))
     (print-help-return-message)))
 
 ;; So keyboard macro definitions are documented correctly
@@ -416,8 +416,7 @@ of the key sequence that ran this command."
       (goto-char (point-min))
       (while (progn (move-to-column 50) (not (eobp)))
        (search-forward " " nil t)
-       (insert "\n"))
-      (help-mode))
+       (insert "\n")))
     (print-help-return-message)))
 
 (defalias 'help 'help-for-help)
@@ -583,7 +582,6 @@ C-w Display information on absence of warranty for GNU Emacs."
        (print-help-return-message)
        (save-excursion
          (set-buffer standard-output)
-         (help-mode)
          ;; Return the text we displayed.
          (buffer-string)))
     (message "You didn't specify a function")))
@@ -661,7 +659,6 @@ Returns the documentation as a string, also."
          (print-help-return-message)
          (save-excursion
            (set-buffer standard-output)
-           (help-mode)
            ;; Return the text we displayed.
            (buffer-string))))
     (message "You did not specify a variable")))