在emacs 24.4内部移动行

Question

我的.emacs文件中有这段代码，应该向上或向下移动代码行。这在24.3.1上工作正常但在24.4上没有完全正常工作。

将线移动工作，因为线将与底线交换，“光标”也会移动。

然后移动线，它会交换，但光标保持在同一条线上，而不会随着线向上移动。

这是否有原因？

;; Moving a line up or down
(defun move-text-internal (arg)
  (cond
   ((and mark-active transient-mark-mode)
    (if (> (point) (mark))
        (exchange-point-and-mark))
    (let ((column (current-column))
          (text (delete-and-extract-region (point) (mark))))
      (forward-line arg)
      (move-to-column column t)
      (set-mark (point))
      (insert text)
      (exchange-point-and-mark)
      (setq deactivate-mark nil)))
   (t
    (let ((column (current-column)))
      (beginning-of-line)
      (when (or (> arg 0) (not (bobp)))
        (forward-line)
        (when (or (< arg 0) (not (eobp)))
          (transpose-lines arg))
        (forward-line -1))
      (move-to-column column t)))))

(defun move-text-down (arg)
  "Move region (transient-mark-mode active) or current line
  arg lines down."
  (interactive "*p")
  (move-text-internal arg))
;(global-set-key [M-S-down] 'move-text-down)
(global-set-key [A-M-down] 'move-text-down)

(defun move-text-up (arg)
  "Move region (transient-mark-mode active) or current line
  arg lines up."
  (interactive "*p")
  (move-text-internal (- arg)))
;(global-set-key [M-S-up]   'move-text-up)
(global-set-key [A-M-up]   'move-text-up)