bug#14575: 24.3.50.1; Overlays with a window property affect other windows

[Eli Zaretskii]

> Date: Sat, 8 Jun 2013 14:58:58 +0100
> From: E Sabof <esabof@gmail.com>
> 
> Start emacs -Q
> M-:
> 
> (progn
>   (insert "some text")
>   (let ((ov (make-overlay (- (point) 9) (point))))
>     (overlay-put ov 'window (selected-window))
>     (overlay-put ov 'display "different text"))
>   (split-window-vertically))
> 
> RET

Fixed in trunk revision 112896.

Thanks.