org.el (org-read-date-display): Fix bug when displaying the overlay.

* org.el (org-read-date-display): Fix bug when displaying the
overlay.

TINYCHANGE

lisp/org.el

@@ -15131,35 +15131,35 @@ user."
   (when org-read-date-display-live
     (when org-read-date-overlay
       (delete-overlay org-read-date-overlay))
-    (let ((p (point)))
-      (end-of-line 1)
-      (while (not (equal (buffer-substring
-			  (max (point-min) (- (point) 4)) (point))
-			 "    "))
-	(insert " "))
-      (goto-char p))
-    (let* ((ans (concat (buffer-substring (point-at-bol) (point-max))
-			" " (or org-ans1 org-ans2)))
-	   (org-end-time-was-given nil)
-	   (f (org-read-date-analyze ans org-def org-defdecode))
-	   (fmts (if org-dcst
-		     org-time-stamp-custom-formats
-		   org-time-stamp-formats))
-	   (fmt (if (or org-with-time
-			(and (boundp 'org-time-was-given) org-time-was-given))
-		    (cdr fmts)
-		  (car fmts)))
-	   (txt (concat "=> " (format-time-string fmt (apply 'encode-time f)))))
-      (when (and org-end-time-was-given
-		 (string-match org-plain-time-of-day-regexp txt))
-	(setq txt (concat (substring txt 0 (match-end 0)) "-"
-			  org-end-time-was-given
-			  (substring txt (match-end 0)))))
-      (when org-read-date-analyze-futurep
-	(setq txt (concat txt " (=>F)")))
-      (setq org-read-date-overlay
-	    (make-overlay (1- (point-at-eol)) (point-at-eol)))
-      (org-overlay-display org-read-date-overlay txt 'secondary-selection))))
+    (when (minibufferp (current-buffer))
+      (save-excursion
+	(end-of-line 1)
+	(while (not (equal (buffer-substring
+			    (max (point-min) (- (point) 4)) (point))
+			   "    "))
+	  (insert " ")))
+      (let* ((ans (concat (buffer-substring (point-at-bol) (point-max))
+			  " " (or org-ans1 org-ans2)))
+	     (org-end-time-was-given nil)
+	     (f (org-read-date-analyze ans org-def org-defdecode))
+	     (fmts (if org-dcst
+		       org-time-stamp-custom-formats
+		     org-time-stamp-formats))
+	     (fmt (if (or org-with-time
+			  (and (boundp 'org-time-was-given) org-time-was-given))
+		      (cdr fmts)
+		    (car fmts)))
+	     (txt (concat "=> " (format-time-string fmt (apply 'encode-time f)))))
+	(when (and org-end-time-was-given
+		   (string-match org-plain-time-of-day-regexp txt))
+	  (setq txt (concat (substring txt 0 (match-end 0)) "-"
+			    org-end-time-was-given
+			    (substring txt (match-end 0)))))
+	(when org-read-date-analyze-futurep
+	  (setq txt (concat txt " (=>F)")))
+	(setq org-read-date-overlay
+	      (make-overlay (1- (point-at-eol)) (point-at-eol)))
+	(org-overlay-display org-read-date-overlay txt 'secondary-selection)))))
 
 (defun org-read-date-analyze (ans org-def org-defdecode)
   "Analyze the combined answer of the date prompt."