On 25/08/2011 13:43, Stephan Hennig wrote:
> Hi,
> 
> compiling the following file via
> 
>   lualatex --interaction=batchmode mbsp
> 
> fails with an up-to-date TL2011:
> 
> \listfiles
> \documentclass{article}
> \usepackage{fontspec}
> \begin{document}
> A
> \end{document}
> 
> 
> The command
> 
>   >tlmgr show l3kernel l3packages l3experimental
> 
> shows for all packages
> 
>> cat-version: SVN 2607
>> cat-date:    2011-08-17 22:57:44 +0200
> 
> Best regards,
> Stephan Hennig

Hello Stephan,

We really need to see all of you log file. The latest release versions
of the LaTeX3 material all work fine, and define \ExplFileName, etx. I
suspect that something is being loaded 'out of place', but without the
full log can't tell.
-- 
Joseph Wright