digraph example3 {
    N0[label="sdl2_window"];
    N1[label="shader_version"];
    N2[label="sdl2"];
    N3[label="input"];
    N4[label="event"];
    N5[label="gl"];
    N6[label="gl_generator"];
    N7[label="khronos_api"];
    N8[label="rust-xml"];
    N0 -> N1[label=""];
    N0 -> N2[label=""];
    N0 -> N3[label=""];
    N0 -> N4[label=""];
    N0 -> N5[label=""];
    N6 -> N7[label=""];
    N6 -> N8[label=""];
    N4 -> N3[label=""];
    N5 -> N6[label=""];
}