[XeTeX] New version of xetex

[Vafa Khalighi]

>
>
>
> but couldn't you just do
>
> \hbox \bgroup \beginR$
>
> to get the same, but working with older engines?
>


That was the first thing I tried when I wanted to implement RTL tabular in
bidi. Unfortunately that neither works with old xetex nor with new one.



>
> > I will look at longtable and see if the same kind of thing can be done
> there.
>
> I don't have it here but can you put \beginR at the start of $$ and
> still have a display \halign? if so you could easily make longtable do
> the right thing....
>
> $$\beginR\halign{&#\hfil\cr a&b&c\cr}\endR$$
>
> ?
>
>
In this case, using \beginR, \endR inside display mode gives "Improper
\halign inside $$'s." error.
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