bug#7128: 24.0.50; digit jumps from rightmost column to leftmost

[Eli Zaretskii]

> From: TAKAHASHI Naoto <ntakahas@m17n.org>
> Date: Wed, 29 Sep 2010 09:59:05 +0900
> Cc: 
> 
> 1. Start emacs with -Q .
> 
> 2. M-: (setq bidi-display-reordering t) RET
> 
> 3. C-\ hebrew RET
> 
> 4. Type the A key.  The letter "shin" is displayed at the rightmost
> column.
> 
> 5. Type RET repeatedly to move the cursor downward just before the
> window scrolls.
> 
> 6. Type the 1 key. The digit "1" is displayed at the rightmost column.
> 
> 7. Type one RET.  This makes the window scroll and the digit "1" is
> now displayed at the leftmost column.

Should be fixed now (revno 101675).