diGraph G{
graph [charset="utf8"]
1[label="Umlaut"];
2[label="ü"];
3[label="ä"];
4[label="ö"];
1->2;
1->3;
1->4;
}
diGraph G{
graph [charset="utf8"]
1[label="Umlaut"];
2[label="ü"];
3[label="ä"];
4[label="ö"];
1->2;
1->3;
1->4;
}