[XeTeX] Polyglossia problems with package lastpage
Ross Moore
ross at ics.mq.edu.au
Wed Dec 16 23:42:33 CET 2009
Hi Andreas,
On 17/12/2009, at 8:01 AM, 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}
The {lastpage} package has nothing to do with it.
\pageref is well defined without it, and this is where
the error occurs.
It's not dependent upon the font, except insofar as the
font needs to support Hebrew.
> \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.
Yes, it seems to be somehow related to this aspect.
I can get your example to work (sort of) using:
\let\normalsfcodes \relax
\let\normalfont\relax
\pageref{LastPage}
\end{document}
Then we see the warning:
LaTeX Warning: Reference `LastPage' on page {\normalfont 1}
undefined on input line 14.
So the problem appears to be with expanding that instance of
\normalfont
which really does not belong within the context of a warning message,
(or any \write channel, for that matter).
If the \normalfont really needs to be there (e.g., to ensure the
correct font is used when the page number is placed on the page,
then in the context of a \write it needs to expand to
the empty string.
Alternatively, something else needs to change to avoid this kind
of error. Something within Polyglossia maybe?
>
> BTW, I'm using TeX Live 2009 as packaged in Debian/sid.
Thanks.
But it occurs on other systems too.
>
> Thanks for any ideas/hints, Andreas
> --
> Andreas Hoenen <andreas at hoenen-terstappen.de>
Hope this helps,
Ross
------------------------------------------------------------------------
Ross Moore ross at maths.mq.edu.au
Mathematics Department office: E7A-419
Macquarie University tel: +61 (0)2 9850 8955
Sydney, Australia 2109 fax: +61 (0)2 9850 8114
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