[pstricks] multido errors

[Doug Mounce]

I've been testing
pst-3dplot/examples/

that use the
\usepackage{pstricks,pst-grad,pst-3dplot}%

, but getting the emergency stop...
     \let
...TMultidoLoaded\endinput\else\input
                                            multido.tex\fi

I think I've got all the recent updates since May 2004.  Any advice 
would be greatly appreciated, Doug Mounce, Seattle.