src/doc/book/dot/trpl15-04.dot


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digraph {
    node[shape=record];
    rankdir=LR;

    l1[label="{<data> 5| <next>}"];
    l2[label="{<data> 10| <next>}"];

    {node[shape=point height=0] invisible_start invisible_end}

    a -> l1:n;
    b -> l2:n;
    invisible_start:n -> l1[arrowtail=none];
    invisible_start:s -> invisible_end:s[dir=none];
    l1:next:c -> l2:data;
    l2:next:c -> invisible_end:n[arrowhead=none];
}