[pstricks] Colored text with pstricks in plain TeX

[Herbert Voss]

Christoph Bersch schrieb:

> \input color
> \input pstricks
> \color{red} red text
> \psline[linecolor=red](1,1)(3,3)
> \bye
> 
> -> Error: /stackunderflow in --setrgbcolor--
> 
> \input pstricks
> \input color
> \color{red} red text
> \psline[linecolor=red](1,1)(3,3)
> \bye
> 
> -> Error: /undefined in rgb

in some cases it works in other not. color is a real latex package
and not intend to use with tex. define your own \colro and \textcolor
macros.

Herbert