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Subject:
Re: array and fontspec issue
From:
David Carlisle <[log in to unmask]>
Reply To:
Mailing list for the LaTeX3 project <[log in to unmask]>
Date:
Thu, 16 Jul 2015 20:47:24 +0100
Content-Type:
text/plain
Parts/Attachments:
text/plain (31 lines) 
A simplified example, should anyone be looking at this is:

\listfiles
\documentclass{article}
\usepackage{xparse}
\DeclareDocumentCommand\foo{mO{xxx}}{[#1][#2]}
\usepackage{array}
\begin{document}
a $x$

\tracingmacros2

%\begin{tabular}{>{\foo{zz}[]}l}% works
\begin{tabular}{>{\foo{zz}}l}% fails
   text
\end{tabular}
\end{document}

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