bug#9212: 24.0.50; Selective display broken in Emacs 24 trunk

[Eli Zaretskii]

> Date: Mon, 1 Aug 2011 09:44:01 +0200
> From: Anders Lindgren <andlind@gmail.com>
> 
> alpha^Mbeta^Mgamma
> delta
> 
> * Activeate selective display using "(setq selective-display t)".
> 
> * The following should be displayed:
> 
> alpha...
> delta
> 
> * In the broken Emacs 24 trunk, the following is displayed:
> 
> alpha...delta

This is a bug in the bidirectional display engine: the problem goes
away if you type "M-: (setq bidi-display-reordering nil) RET" in that
buffer.

Thanks for the simple test case, I will work on fixing this as soon as
I can.