When editing a table formula, point is not necessarily on its referent.

* org-table.el (org-table-show-reference): Call `set-window-start'
  with the calculated values `min' and `max', not with
  (point-min) and (point-max).

Reported by Luke Crook (http://article.gmane.org/gmane.emacs.orgmode/88610)
	    Thorsten Grothe (http://thread.gmane.org/gmane.emacs.orgmode/88698)
	    and Robert Klein in the latter thread.

Robert Klein bisected it down to 30220ffcdcef45c0237f80a2347d4da19877f64a.

lisp/org-table.el

@@ -3859,10 +3859,10 @@ With prefix ARG, apply the new formulas to the table."
 	(push org-table-current-begin-pos org-show-positions)
 	(let ((min (apply 'min org-show-positions))
 	      (max (apply 'max org-show-positions)))
-	  (set-window-start (selected-window) (point-min))
+	  (set-window-start (selected-window) min)
 	  (goto-char max)
 	  (or (pos-visible-in-window-p max)
-	      (set-window-start (selected-window) (point-max)))))
+	      (set-window-start (selected-window) max))))
       (select-window win))))
 
 (defun org-table-force-dataline ()