[OS X TeX] Xelatex error

[Nathan Paxton]

	Hi all,

	I am using the TexShop Xelatex template to write a brief statement in the article class, and I keep getting the following error. I am using TL 2010. Any ideas?

-Nathan P.

> (/usr/local/texlive/2010/texmf-dist/tex/generic/oberdiek/ifluatex.sty)
> 
> LaTeX Warning: You have requested, on input line 27, version
>                `2010/05/14 v2.0' of package fontspec,
>                but only version
>                `2006/06/07 v1.10 Advanced font selection for XeLaTeX'
>                is available.
> 
> (/usr/local/texlive/2010/texmf-dist/tex/latex/realscripts/realscripts.sty
> /usr/local/texlive/2010/texmf-dist/tex/latex/realscripts/realscripts.sty:16: Un
> defined control sequence.
> <recently read> \ExplSyntaxOn 
>                               
> l.16 \ExplSyntaxOn
>                   

----------
Nathan A. Paxton, Ph.D.
Lecturer
Dept. of Government, Harvard University

napaxton AT fas DOT harvard DOT edu
http://www.fas.harvard.edu/~napaxton
=========================================================
The most courageous act is still to think for yourself.
Aloud.
        -Coco Chanel
=========================================================

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