rust-book-cn/dot/trpl04-03.dot

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    table0[label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
        <TR><TD COLSPAN="2" SIDES="B">s2</TD></TR>
        <TR><TD>name</TD><TD>value</TD></TR>
        <TR><TD>ptr</TD><TD PORT="pointer"></TD></TR>
        <TR><TD>len</TD><TD>5</TD></TR>
        <TR><TD>capacity</TD><TD>5</TD></TR>
    </TABLE>>];
    table1[label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
        <TR><TD>index</TD><TD>value</TD></TR>
        <TR><TD PORT="pointee">0</TD><TD>h</TD></TR>
        <TR><TD>1</TD><TD>e</TD></TR>
        <TR><TD>2</TD><TD>l</TD></TR>
        <TR><TD>3</TD><TD>l</TD></TR>
        <TR><TD>4</TD><TD>o</TD></TR>
    </TABLE>>];

    table3[label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
        <TR><TD COLSPAN="2" SIDES="B">s1</TD></TR>
        <TR><TD>name</TD><TD>value</TD></TR>
        <TR><TD>ptr</TD><TD PORT="pointer"></TD></TR>
        <TR><TD>len</TD><TD>5</TD></TR>
        <TR><TD>capacity</TD><TD>5</TD></TR>
    </TABLE>>];
    table4[label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
        <TR><TD>index</TD><TD>value</TD></TR>
        <TR><TD PORT="pointee">0</TD><TD>h</TD></TR>
        <TR><TD>1</TD><TD>e</TD></TR>
        <TR><TD>2</TD><TD>l</TD></TR>
        <TR><TD>3</TD><TD>l</TD></TR>
        <TR><TD>4</TD><TD>o</TD></TR>
    </TABLE>>];


    edge[tailclip="false"];
    table0:pointer:c -> table1:pointee;
    table3:pointer:c -> table4:pointee;
}