[texhax] Eplain TeX: problem with \@optionalarg

[Arnaud Schmittbuhl]

Le Sun, 13 Feb 2011 13:50:01 +0000,
Rodolfo Medina <rodolfo.medina at gmail.com> a écrit :

> Now, I wish to put a condition there:
> 
>    \ifx\@optionalarg\empty
>         \fin at mo
>    \else
>         \@getoptionalarg\fin at mo
>    \fi

Hi,
try that in \else \fi
  \expandafter\@getoptionalarg\expandafter\fin at mo


-- 
Arnaud Schmittbuhl