[Tex/LaTex] MacTeX 2011, Xetex and Tex Live Utility

fontspecmactextexlivexetexxparse

I tried several times to play with XeLaTeX (being used to "classical" LaTeX) but since I installed MacTeX 2011 and updated it with TeX Live Utility, I got that kind message :

(/usr/local/texlive/2011/texmf-dist/tex/latex/l3packages/xparse/xparse.sty
/usr/local/texlive/2011/texmf-dist/tex/latex/l3packages/xparse/xparse.sty:57: U
ndefined control sequence.
<argument> \ExplFileName 

l.57 ...e}{\ExplFileVersion}{\ExplFileDescription}

If I continuously press "Return", I got a lot of error messages linked to Unicode font scripts, for instance :

/usr/local/texlive/2011/texmf-dist/tex/latex/fontspec/fontspec.sty:1909: Undefi
ned control sequence.
l.1909 \newfontlanguage{Efik}{EFI}\newfontlanguage
                                              {Greek}{ELL}

I seems there is a problem between version of xparse, fontspec etc. But it occurs even after re-installing Tex Live and updating only one package not linked to xelatex or fonts. The log file is quite long with all these errors (about 4200 lines).

Could it be caused by the scripts run by tlmgr after updating a package?

Edit:Sorry for mistake about "answer".

Here is a link to the log file : http://dl.dropbox.com/u/6420461/xelatex3.log

Best Answer

The log is exactly what I expected to see: a partly updated system. You need to remove the older expl3 bundle and install l3kernel. You may also need ot remove the older xpackage bundle and replace with the newer l3packages. From the Terminal, sudo tlmgr update --self --all will do this.

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