[pstricks] Problem with psscalebox and !

[Herbert Voss]

Martin Chicoine wrote:
> \psscalebox fails with babel and the ! parameter of psgraph as in the
> following example :
> 
> \documentclass{article}
> 
> \usepackage[francais]{babel}
> \usepackage{pstricks-add}
> 
> \begin{document}				
> 

\shorthandoff{!}

> \psscalebox{.5}{%
>   \begin{psgraph}(0,0)(-2,-2)(2,2){.5\textwidth}{!}
>     \psplot[algebraic]{-2}{2}{sin(x)}
>   \end{psgraph}
> }
> 
> \end{document}

Herbert