doc/info/figures/draw_user_preamble.mac

   1 load("docdraw.mac");
   2
   3 docdraw2d("figures/draw_user_preamble",
   4         xaxis =true, xaxis_type=solid,
   5         yaxis =true, yaxis_type=solid,
   6         user_preamble="set grid front",
   7         region(x^2+y^2<1 ,x,-1.5,1.5,y,-1.5,1.5))$