File r37/packages/plot/gnuplot.red from the latest check-in
module gnuplot; % REDUCE interface for gnuplot graphics. create!-package('(gnuplot gnuintfc gnupldrv),nil); global '(plotdta!* plotdta!*2 plotmax!* plotmin!* plotcmds!* plotcommand!* lispsystem!* plotdriver!*); plotdriver!*:='gnuplot; put('gnuplot,'do,'gp!-do); put('gnuplot,'option,'gp!-option); load_package plot; % Generic plot package. endmodule; end;