graphics_toolkit ("gnuplot")
setenv ("GNUTERM", "wxt");

h1 = patch ([0 1 2],[0 1 0],[0 0 0]);
h2 = patch ([0 1 2]+3,[0 1 0],[0 0 0]);
h3 = patch ([0 1 2]+6,[0 1 0],[0 0 0]);

set (h1, "linewidth", 0)
set (h2, "linewidth", 0)
set (h3, "linewidth", 0)

saveas (h2, "bug.svg");
