 	    ;; Back up to the last known state.
 	    (let ((last-cs
 		   (and (> go-mode-mark-cs-end 1)
-			(get-text-property (1- go-mode-mark-cs-end) 
+			(get-text-property (1- go-mode-mark-cs-end)
 					   'go-mode-cs))))
 	      (if last-cs
 		  (car last-cs)

	    ;; Back up to the last known state.
	    (let ((last-cs
		   (and (> go-mode-mark-string-end 1)
			(get-text-property (1- go-mode-mark-string-end) 
					   'go-mode-string))))
	      (if last-cs
		  (car last-cs)

	    ;; Back up to the last known state.
	    (let ((last-comment
		   (and (> go-mode-mark-comment-end 1)
			(get-text-property (1- go-mode-mark-comment-end)
					   'go-mode-comment))))
	      (if last-comment
		  (car last-comment)
