[XeTeX] Polyglossia problems with package lastpage

[Gareth Hughes]

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Andreas Hoenen wrote:
> Hi,
> 
> polyglossia doesn't seem to work with package lastpage for several
> languages:
> 
> \documentclass{minimal}
> \usepackage{polyglossia}
> \setdefaultlanguage{hebrew}
> \setmainfont{DejaVu Sans}
> \usepackage{xltxtra}
> \usepackage{lastpage}
> \begin{document}
> \pageref{LastPage}
> \end{document}
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> 
> The compilation output ends with:
> Runaway text?
> 
> LaTeX Warning: Reference `LastPage' on page {\font \zf at basefont ="Dej\ETC.
> ! Forbidden control sequence found while scanning text of \write.
> <inserted text>
>                 }
> l.10 \pageref{LastPage}
> 
> ?
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> 
> Similar problems for arabic and farsi, however it works well e.g. for
> russian.  Thus it might be related to "right to left" languages.
> 
> BTW, I'm using TeX Live 2009 as packaged in Debian/sid.
> 
> Thanks for any ideas/hints, Andreas

This is definitely a bidi problem. Lastpage is clearly doing something
that doesn't fit in with bidi. I'm sure Vafa will have the best idea
what's going on here.

Gareth.
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