Use and show default refiling location.

* org.el (org-refile-get-location): Set and show default
	value.
	(org-goto, org-refile): Adapt calls.

	* org-id.el (org-id-get-with-outline-path-completion): Adapt
	call.

	* org-agenda.el (org-agenda-refile, org-agenda-bulk-action):
	Adapt calls.

	* org-remember.el (org-remember-handler): Adapt call.

lisp/org-agenda.el

@@ -6720,7 +6720,7 @@ If this information is not given, the function uses the tree at point."
 	   (pos (marker-position marker))
 	   (rfloc (or rfloc
 		      (org-refile-get-location
-		       (if goto "Goto: " "Refile to: ") buffer
+		       (if goto "Goto" "Refile to") buffer
 		       org-refile-allow-creating-parent-nodes))))
       (with-current-buffer buffer
 	(save-excursion
@@ -7986,7 +7986,7 @@ The prefix arg is passed through to the command if possible."
 
      ((member action '(?r ?w))
       (setq rfloc (org-refile-get-location
-		   "Refile to: "
+		   "Refile to"
 		   (marker-buffer (car org-agenda-bulk-marked-entries))
 		   org-refile-allow-creating-parent-nodes))
       (if (nth 3 rfloc)

lisp/org-id.el

@@ -231,7 +231,7 @@ It returns the ID of the entry.  If necessary, the ID is created."
 	 (org-refile-use-outline-path
 	  (if (caar org-refile-targets) 'file t))
 	 (org-refile-target-verify-function nil)
-	 (spos (org-refile-get-location "Entry: "))
+	 (spos (org-refile-get-location "Entry"))
 	 (pom (and spos (move-marker (make-marker) (nth 3 spos)
 				     (get-file-buffer (nth 1 spos))))))
     (prog1 (org-id-get pom 'create)

lisp/org-remember.el

@@ -1004,7 +1004,7 @@ See also the variable `org-reverse-note-order'."
 	     ((eq org-remember-interactive-interface 'outline-path-completion)
 	      (let ((org-refile-targets '((nil . (:maxlevel . 10))))
 		    (org-refile-use-outline-path t))
-		(setq spos (org-refile-get-location "Heading: ")
+		(setq spos (org-refile-get-location "Heading")
 		      exitcmd 'return
 		      spos (nth 3 spos))))
 	     (t (error "This should not happen")))

lisp/org.el

@@ -6554,7 +6554,7 @@ the headline hierarchy above."
 	 (selected-point
 	  (if (eq interface 'outline)
 	      (car (org-get-location (current-buffer) org-goto-help))
-	    (let ((pa (org-refile-get-location "Goto: ")))
+	    (let ((pa (org-refile-get-location "Goto")))
 	      (org-refile-check-position pa)
 	      (nth 3 pa)))))
     (if selected-point
@@ -10307,7 +10307,7 @@ This can be done with a 0 prefix: `C-0 C-c C-w'"
 	       (setq it (or rfloc
 			    (save-excursion
 			      (org-refile-get-location
-			       (if goto "Goto: " "Refile to: ") default-buffer
+			       (if goto "Goto" "Refile to") default-buffer
 			       org-refile-allow-creating-parent-nodes)))))
 	  (setq file (nth 1 it)
 		re (nth 2 it)
@@ -10388,13 +10388,20 @@ This can be done with a 0 prefix: `C-0 C-c C-w'"
   (message "This is the location of the last refile"))
 
 (defun org-refile-get-location (&optional prompt default-buffer new-nodes)
-  "Prompt the user for a refile location, using PROMPT."
+  "Prompt the user for a refile location, using PROMPT.
+PROMPT should not be prefixed with a colon and a space, because
+this function prepends the default value from
+`org-refile-history' automatically, if that is not empty."
   (let ((org-refile-targets org-refile-targets)
 	(org-refile-use-outline-path org-refile-use-outline-path))
     (setq org-refile-target-table (org-get-refile-targets default-buffer)))
   (unless org-refile-target-table
     (error "No refile targets"))
-  (let* ((cbuf (current-buffer))
+  (let* ((prompt (concat prompt
+			 (and (car org-refile-history)
+			      (concat " (default " (car org-refile-history) ")"))
+			 ": "))
+	 (cbuf (current-buffer))
 	 (partial-completion-mode nil)
 	 (cfn (buffer-file-name (buffer-base-buffer cbuf)))
 	 (cfunc (if (and org-refile-use-outline-path
@@ -10417,7 +10424,7 @@ This can be done with a 0 prefix: `C-0 C-c C-w'"
 	 pa answ parent-target child parent old-hist)
     (setq old-hist org-refile-history)
     (setq answ (funcall cfunc prompt tbl nil (not new-nodes)
-			nil 'org-refile-history))
+			nil 'org-refile-history (car org-refile-history)))
     (setq pa (or (assoc answ tbl) (assoc (concat answ "/") tbl)))
     (org-refile-check-position pa)
     (if pa