[pstricks] Why pspicture environment does not work in plain TeX

[Herbert Voss]

VAFA KHALIGHI schrieb:
> This is a minimal example
> 
> \input pstricks
> \begin{pspicture}(0,0)(2,2)
> \psline(0,0)(1,1)
> \end{pspicture}
> 
> \end
> 
> TeX does not recognises pspicture environment, I am using MiKTeX2.7 with
> latest updates. If the answer is that pspicture is not to be used in Plain
> TeX, then is there anyway that pstricks figures do not overlap the texts?
> Thanks heaps

you do not understand the difference between tex and latex ...

Herbert