[pstricks] \scalebox incompatible with \documentclass{minimal}?

[Joel Salomon]

On 12/21/05, Herbert Voss <LaTeX at zedat.fu-berlin.de> wrote:
> with pstricks use \psscalebox or load graphicx

OK, that worked.  I was copying from the PSTricks User's Guide—has it
really not been updated since March 1993?

Thanks,
--Joel