[pstricks] pst-circ problem in Plain TeX

[Christoph Bersch]

وفا خلیقی، Vafa Khalighi schrieb:
> If you create a simple TeX document like:
> 
> \input pst-circ
> 
> ! Undefined control sequence.
> l.2507 \newcommand
>                   {\pst at draw@mixer}[3]{%
> ?

\newcommand is defined in LaTeX, not in plain TeX.

> 
> 
> I have installed the lastes pstricks and xkeyval packages. So does 
> anyone no what can I do to solve this problem?

I guess you do not want to use plain TeX, but rather LaTeX.

\documentclass{article}
\usepackage{pst-circ}
\begin{document}
\end{document}

Compile this with 'latex' and it works.

Christoph