doc/info/figures/draw_xaxis_secondary.mac

   1 load("docdraw.mac");
   2
   3 docdraw2d("figures/draw_xaxis_secondary",
   4         key = "Bottom x-axis",
   5         explicit(x+1,x,1,2),
   6         color = red,
   7         key = "Above x-axis",
   8         xtics_secondary = true,
   9         xaxis_secondary = true,
  10         explicit(x^2,x,-1,1)) $