[pstricks] pst-lens and "style" option

[Herbert Voss]

Christian Sgraja wrote:

> just a brief one for clarification:
> Concerning the "pst-lens" package that defines \PstLens,
> it seems that the parameter list doesn't recognize a
> "style" option (like \psframe or \psline), i.e.,
> 
> \newpsstyle{myLensStyle}{%
>   ...}
> \PstLens[style=myLensStyle](1,0){%
>   ...}
> 
> leads to an error.  Actually, I haven't found a \define at key
> statement for "style" in pst-lens.sty.

_complete_ example please, with the output of \listfiles.

Herbert