1.1.1 `gnuplot.start'
---------------------

gnuplot.start()
     ::  Start  `ox_sm1_gnuplot' on the localhost.

RETURN
     Integer

   * Start `ox_sm1_gnuplot' on the localhost.      It returns the
     descriptor of `ox_sm1_gnuplot'.

   * Set `Xm_noX = 1' to start `ox_sm1_gnuplot' without a debug window.

   * The descriptor is stored in `Gnuplot_proc'.

     P = gnuplot.start();

Reference
     `ox_launch', `gnuplot'

