{
  A -> B [label = "multi\nline\nlabel", leftnote = "hello", rightnote= "world"];
  A -> C [note = "hello world"];
  A -> D [label = "short label", note = "goodbye\nworld"];
  A -> B [note = "very very very very long long long long text"];
  A -> B [leftnote = "very very very very long long long long text"];
  A -> B [label = """a
multiline"'
very very very very long long long long
text"""];
}
