bug#8114: macros fail in emacs 23.1

[Eli Zaretskii <eliz@gnu.org>]

> From: Glenn Morris <rgm@gnu.org>
> Date: Thu, 24 Feb 2011 23:15:51 -0500
> Cc: 8114@debbugs.gnu.org
> 
> ESC <                   ;; beginning-of-buffer
> ^X (     ;; start recording keyboard macro
> 
> C-s                     ;; isearch-forward
> SPC                     ;; self-insert-command
> C-e                     ;; move-end-of-line
> C-b                     ;; backward-char
> xyz                     ;; self-insert-command * 3
> SPC                     ;; self-insert-command
> C-a                     ;; move-beginning-of-line
> C-n                     ;; next-line
> 
> ^X )                 ;; end recording
> 
> ^X e                    ;; run the macro one time
> ^X e                    ;; run the macro one time
> C-u 1 5 0 ^X e          ;; run the macro 150 times
> 
> The expected outcome is that each line in the buffer should now look
> like this:
> a xyz b
> 
> But many of the lines still look as they did at the beginning, namely:
> a b
> .
> Note that the incorrect lines are intertwingled with the
> correctly-edited lines, up to the end of the buffer.

Something related to scrolling, it seems: the unedited lines start on
the second screenful.