[luatex] LuaLaTeX and fontspec

[Jacques ROPERS]

Hi
During the trimming down process, I found the culprit which appears to be
the "iftex" package.

%******************************************************
\makeatletter\let\ifGm at compatii\relax\makeatother
\documentclass{beamer}

\usepackage{iftex} % Compiles with xelatex only if commented

\usepackage{fontspec}
\setromanfont[Mapping=tex-text]{Futura Std Medium}

\begin{document}
\begin{frame}
lorem ipsum
\end{frame}

\end{document}

%******************************************************

Best regards,

Jacques



On 6/1/10, Will Robertson <wspr81 at gmail.com> wrote:
>
> Hi Jacques,
>
> Thank you very much for the feedback.
>
> On 2010-06-01 20:24:21 +0930, Jacques ROPERS <jropers at gmail.com> said:
>
>
> However on the same document, xelatex now hangs with the following error
>> message:
>>
>> ! Undefined control sequence.
>> <argument> ..._mode_tl {node}\luatexprehyphenchar
>>                                                  =`\-\luatexposthyphenchar
>> ...
>> l.68 ...nt = {Futura Std Bold}]{Futura Std Medium}
>>
>
> This doesn't make much sense to me; I can't imagine how this happens. Would
> you be able to trim down your document into a minimal example of the problem
> and post it here? Also, which version of LuaTeX are you using?
>
> Best regards,
> Will
>
>
>
>
>
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