[XeTeX] fancyhdr and gb4e clash

[Sven Siegmund]

Thanks for the insight, Johnathan. The next time I will try to bother
the LaTeX group when I see the same problem when pdflatexing (without
xltxtra).

S.

2009/1/25 Jonathan Kew <jonathan at jfkew.plus.com>:
> On 25 Jan 2009, at 18:12, Sven Siegmund wrote:
>
>> Hello,
>>
>> I use XeTeX 3.1415926-2.2-0.999.2 (MiKTeX 2.7) on Win XP SP2 and I
>> have tried to spice up the layout of a document with the fancyhdr
>> package. Unfortunately I get a strange error the exact cause of which
>> is obscure to me.
>>
>> Having reduced my document to the minimal example I have this:
>>
>> \documentclass[a4paper,12pt,twoside]{article}
>>
>> \usepackage{xltxtra} % loads also xunicode, fontspec, graphicx
>> \usepackage{gb4e} % for linguistic glosses
>> \usepackage{fancyhdr} % better style
>> \pagestyle{fancy}
>>
>> \begin{document}
>> something
>> \end{document}
>>
>> I get this error when compiling:
>> ...
>> (C:\MiKTeX\tex\latex\gb4e\gb4e.sty (C:\MiKTeX\tex\latex\gb4e
>> \cgloss4e.sty))
>> (C:\MiKTeX\tex\latex\fancyhdr\fancyhdr.sty) (clash.aux)
>> ! Argument of ^ has an extra }.
>> <inserted text>
>>                \par
>> l.15 \end{document}
>>
>> ?
>>
>> However, the minimal example compiles well if I don't load the gb4e
>> package. The problem is, I must load it. I have to use it for
>> linguistic glosses. Is there a solution?
>
> gb4e.sty makes ^ into an active character; this interferes with its
> use in fancyhdr.sty (to represent control characters using the ^^
> notation).
>
> (BTW, this isn't a xetex issue. Remove xltxtra and try the same test
> with (pdf)latex: same problem.)
>
> Workaround: load gb4e.sty last.
>
> JK
>
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