[XeTeX] newcommand with optional arguments

[Apostolos Syropoulos]

> \makeatletter
> \long\def\tlist at if@empty at nTF #1{%
> . . . . . . . . . . . . . . . . . . . . . . . . . . . 
> }
> \makeatother

 Comment out the command \makeatletter and \makeatother.
The error is created by \makeatother.
A.S.

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Apostolos Syropoulos
Xanthi, Greece
http://obelix.ee.duth.gr/~apostolo
http://asyropoulos.wordpress.com