Bury calendar buffer

* lisp/org.el (org-read-date): Bury Calendar buffer after
using it for selecting a date.

Patch by Ben North

TINYCHANGE

lisp/org.el

@@ -14484,82 +14484,85 @@ user."
       (save-excursion
 	(save-window-excursion
 	  (calendar)
-	  (calendar-forward-day (- (time-to-days def)
-				   (calendar-absolute-from-gregorian
-				    (calendar-current-date))))
-	  (org-eval-in-calendar nil t)
-	  (let* ((old-map (current-local-map))
-		 (map (copy-keymap calendar-mode-map))
-		 (minibuffer-local-map (copy-keymap minibuffer-local-map)))
-	    (org-defkey map (kbd "RET") 'org-calendar-select)
-	    (org-defkey map [mouse-1] 'org-calendar-select-mouse)
-	    (org-defkey map [mouse-2] 'org-calendar-select-mouse)
-	    (org-defkey minibuffer-local-map [(meta shift left)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-backward-month 1))))
-	    (org-defkey minibuffer-local-map [(meta shift right)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-forward-month 1))))
-	    (org-defkey minibuffer-local-map [(meta shift up)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-backward-year 1))))
-	    (org-defkey minibuffer-local-map [(meta shift down)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-forward-year 1))))
-	    (org-defkey minibuffer-local-map [?\e (shift left)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-backward-month 1))))
-	    (org-defkey minibuffer-local-map [?\e (shift right)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-forward-month 1))))
-	    (org-defkey minibuffer-local-map [?\e (shift up)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-backward-year 1))))
-	    (org-defkey minibuffer-local-map [?\e (shift down)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-forward-year 1))))
-	    (org-defkey minibuffer-local-map [(shift up)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-backward-week 1))))
-	    (org-defkey minibuffer-local-map [(shift down)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-forward-week 1))))
-	    (org-defkey minibuffer-local-map [(shift left)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-backward-day 1))))
-	    (org-defkey minibuffer-local-map [(shift right)]
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(calendar-forward-day 1))))
-	    (org-defkey minibuffer-local-map ">"
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(scroll-calendar-left 1))))
-	    (org-defkey minibuffer-local-map "<"
-			(lambda () (interactive)
-			  (org-eval-in-calendar '(scroll-calendar-right 1))))
-	    (org-defkey minibuffer-local-map "\C-v"
-			(lambda () (interactive)
-			  (org-eval-in-calendar
-			   '(calendar-scroll-left-three-months 1))))
-	    (org-defkey minibuffer-local-map "\M-v"
-			(lambda () (interactive)
-			  (org-eval-in-calendar
-			   '(calendar-scroll-right-three-months 1))))
-	    (run-hooks 'org-read-date-minibuffer-setup-hook)
-	    (unwind-protect
-		(progn
-		  (use-local-map map)
-		  (add-hook 'post-command-hook 'org-read-date-display)
-		  (setq org-ans0 (read-string prompt default-input
-					      'org-read-date-history nil))
-		  ;; org-ans0: from prompt
-		  ;; org-ans1: from mouse click
-		  ;; org-ans2: from calendar motion
-		  (setq ans (concat org-ans0 " " (or org-ans1 org-ans2))))
-	      (remove-hook 'post-command-hook 'org-read-date-display)
-	      (use-local-map old-map)
-	      (when org-read-date-overlay
-		(delete-overlay org-read-date-overlay)
-		(setq org-read-date-overlay nil)))))))
+          (unwind-protect
+              (progn
+		(calendar-forward-day (- (time-to-days def)
+					 (calendar-absolute-from-gregorian
+					  (calendar-current-date))))
+		(org-eval-in-calendar nil t)
+		(let* ((old-map (current-local-map))
+		       (map (copy-keymap calendar-mode-map))
+		       (minibuffer-local-map (copy-keymap minibuffer-local-map)))
+		  (org-defkey map (kbd "RET") 'org-calendar-select)
+		  (org-defkey map [mouse-1] 'org-calendar-select-mouse)
+		  (org-defkey map [mouse-2] 'org-calendar-select-mouse)
+		  (org-defkey minibuffer-local-map [(meta shift left)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-backward-month 1))))
+		  (org-defkey minibuffer-local-map [(meta shift right)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-forward-month 1))))
+		  (org-defkey minibuffer-local-map [(meta shift up)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-backward-year 1))))
+		  (org-defkey minibuffer-local-map [(meta shift down)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-forward-year 1))))
+		  (org-defkey minibuffer-local-map [?\e (shift left)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-backward-month 1))))
+		  (org-defkey minibuffer-local-map [?\e (shift right)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-forward-month 1))))
+		  (org-defkey minibuffer-local-map [?\e (shift up)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-backward-year 1))))
+		  (org-defkey minibuffer-local-map [?\e (shift down)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-forward-year 1))))
+		  (org-defkey minibuffer-local-map [(shift up)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-backward-week 1))))
+		  (org-defkey minibuffer-local-map [(shift down)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-forward-week 1))))
+		  (org-defkey minibuffer-local-map [(shift left)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-backward-day 1))))
+		  (org-defkey minibuffer-local-map [(shift right)]
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(calendar-forward-day 1))))
+		  (org-defkey minibuffer-local-map ">"
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(scroll-calendar-left 1))))
+		  (org-defkey minibuffer-local-map "<"
+			      (lambda () (interactive)
+				(org-eval-in-calendar '(scroll-calendar-right 1))))
+		  (org-defkey minibuffer-local-map "\C-v"
+			      (lambda () (interactive)
+				(org-eval-in-calendar
+				 '(calendar-scroll-left-three-months 1))))
+		  (org-defkey minibuffer-local-map "\M-v"
+			      (lambda () (interactive)
+				(org-eval-in-calendar
+				 '(calendar-scroll-right-three-months 1))))
+		  (run-hooks 'org-read-date-minibuffer-setup-hook)
+		  (unwind-protect
+		      (progn
+			(use-local-map map)
+			(add-hook 'post-command-hook 'org-read-date-display)
+			(setq org-ans0 (read-string prompt default-input
+						    'org-read-date-history nil))
+			;; org-ans0: from prompt
+			;; org-ans1: from mouse click
+			;; org-ans2: from calendar motion
+			(setq ans (concat org-ans0 " " (or org-ans1 org-ans2))))
+		    (remove-hook 'post-command-hook 'org-read-date-display)
+		    (use-local-map old-map)
+		    (when org-read-date-overlay
+		      (delete-overlay org-read-date-overlay)
+                      (setq org-read-date-overlay nil)))))
+	    (bury-buffer "*Calendar*")))))
 
      (t ; Naked prompt only
       (unwind-protect