On Thu, Feb 02, 2012 at 09:44:07AM -0800, Jameson Graef Rollins wrote:
> More info please.  What is "RTL script"?  Is that "right to left"?  If
> so, yikes.  I can't even imagine what a mess that would have looked
> like.  Another argument against this crazy indenting stuff we do.  I
> hope the thread was also indenting from the right!

Yes, right to left.

Presumably this will be fixed in emacs some year;
http://www.emacswiki.org/emacs/SupportBiDi