Use substitute-command-keys in some messages

* lisp/dired.el (dired-get-file-for-visit):
* lisp/doc-view.el (doc-view-buffer-message):
* lisp/help.el (help-window-setup):
* lisp/ibuf-ext.el (ibuffer-do-kill-lines):
* lisp/vc/ediff.el (ediff-documentation): Use 'substitute-command-keys'.

lisp/dired.el

@@ -2449,7 +2449,9 @@ directory in another window."
 	file-name
       (if (file-symlink-p file-name)
 	  (error "File is a symlink to a nonexistent target")
-	(error "File no longer exists; type `g' to update Dired buffer")))))
+        (error (substitute-command-keys
+                (concat "File no longer exists; type \\<dired-mode-map>"
+                        "\\[revert-buffer] to update Dired buffer")))))))
 
 ;; Force C-m keybinding rather than `f' or `e' in the mode doc:
 (define-obsolete-function-alias 'dired-advertised-find-file

lisp/doc-view.el

@@ -1530,16 +1530,16 @@ have the page we want to view."
     (overlay-put (doc-view-current-overlay) 'display
                  (concat (propertize "Welcome to DocView!" 'face 'bold)
                          "\n"
-                         "
+                         (substitute-command-keys "
 If you see this buffer it means that the document you want to view is being
 converted to PNG and the conversion of the first page hasn't finished yet or
 `doc-view-conversion-refresh-interval' is set to nil.
 
 For now these keys are useful:
-
-`q' : Bury this buffer.  Conversion will go on in background.
-`k' : Kill the conversion process and this buffer.
-`K' : Kill the conversion process.\n"))))
+\\<doc-view-mode-map>
+\\[quit-window] : Bury this buffer.  Conversion will go on in background.
+\\[image-kill-buffer] : Kill the conversion process and this buffer.
+\\[doc-view-kill-proc] : Kill the conversion process.\n")))))
 
 (declare-function tooltip-show "tooltip" (text &optional use-echo-area))
 

lisp/help.el

@@ -1833,13 +1833,13 @@ Return VALUE."
 	 (cond
 	  ((eq help-setup 'window)
 	   ;; ... and is new, ...
-	   "Type \"q\" to delete help window")
+           "Type \\<help-map>\\[help-quit] to delete help window")
 	  ((eq help-setup 'frame)
 	   ;; ... on a new frame, ...
-	   "Type \"q\" to quit the help frame")
+           "Type \\<help-map>\\[help-quit] to quit the help frame")
 	  ((eq help-setup 'other)
 	   ;; ... or displayed some other buffer before.
-	   "Type \"q\" to restore previous buffer"))
+           "Type \\<help-map>\\[help-quit] to restore previous buffer"))
 	 window t))
        ((and (eq (window-frame window) help-window-old-frame)
 	     (= (length (window-list nil 'no-mini)) 2))
@@ -1850,7 +1850,7 @@ Return VALUE."
 	  ((eq help-setup 'window)
 	   "Type \\[delete-other-windows] to delete the help window")
 	  ((eq help-setup 'other)
-	   "Type \"q\" in help window to restore its previous buffer"))
+           "Type \\<help-map>\\[help-quit] in help window to restore its previous buffer"))
 	 window 'other))
        (t
 	;; The help window is not selected ...
@@ -1858,10 +1858,10 @@ Return VALUE."
 	 (cond
 	  ((eq help-setup 'window)
 	   ;; ... and is new, ...
-	   "Type \"q\" in help window to delete it")
+           "Type \\<help-map>\\[help-quit] in help window to delete it")
 	  ((eq help-setup 'other)
 	   ;; ... or displayed some other buffer before.
-	   "Type \"q\" in help window to restore previous buffer"))
+           "Type \\<help-map>\\[help-quit] in help window to restore previous buffer"))
 	 window))))
     ;; Return VALUE.
     value))

lisp/ibuf-ext.el

@@ -1597,7 +1597,10 @@ to move by.  The default is `ibuffer-marked-char'."
   "Hide all of the currently marked lines."
   (interactive)
   (if (= (ibuffer-count-marked-lines) 0)
-      (message "No buffers marked; use `m' to mark a buffer")
+      (message (substitute-command-keys
+                (concat
+                 "No buffers marked; use \\<ibuffer-mode-map>"
+                 "\\[ibuffer-mark-forward] to mark a buffer")))
     (let ((count
 	   (ibuffer-map-marked-lines
             (lambda (_buf _mark)

lisp/vc/ediff.el

@@ -1558,7 +1558,9 @@ With optional NODE, goes to that node."
 	  (info "ediff")
 	  (if node
 	      (Info-goto-node node)
-	    (message "Type `i' to search for a specific topic"))
+            (message (substitute-command-keys
+                      (concat "Type \\<Info-mode-map>\\[Info-index] to"
+                              " search for a specific topic"))))
 	  (raise-frame))
       (error (beep 1)
 	     (with-output-to-temp-buffer ediff-msg-buffer