1 files changed, 41 insertions, 0 deletions
diff --git a/src/doc/book/2018-edition/dot/trpl04-06.dot b/src/doc/book/2018-edition/dot/trpl04-06.dot
new file mode 100644
index 000000000..a23f179a7
--- /dev/null
+++ b/src/doc/book/2018-edition/dot/trpl04-06.dot
@@ -0,0 +1,41 @@
+digraph {
+    rankdir=LR;
+    overlap=false;
+    dpi=300.0;
+    node [shape="plaintext"];
+
+    table0[label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
+        <TR><TD COLSPAN="2" SIDES="B">world</TD></TR>
+        <TR><TD>name</TD><TD>value</TD></TR>
+        <TR><TD>ptr</TD><TD PORT="pointer2"></TD></TR>
+        <TR><TD>len</TD><TD>5</TD></TR>
+    </TABLE>>];
+
+    table3[label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
+        <TR><TD COLSPAN="2" SIDES="B">s</TD></TR>
+        <TR><TD>name</TD><TD>value</TD></TR>
+        <TR><TD>ptr</TD><TD PORT="pointer"></TD></TR>
+        <TR><TD>len</TD><TD>11</TD></TR>
+        <TR><TD>capacity</TD><TD>11</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>
+        <TR><TD>5</TD><TD> </TD></TR>
+        <TR><TD PORT="pointee2">6</TD><TD>w</TD></TR>
+        <TR><TD>7</TD><TD>o</TD></TR>
+        <TR><TD>8</TD><TD>r</TD></TR>
+        <TR><TD>9</TD><TD>l</TD></TR>
+        <TR><TD>10</TD><TD>d</TD></TR>
+    </TABLE>>];
+
+
+    edge[tailclip="false"];
+    table0:pointer2:c -> table4:pointee2;
+    table3:pointer:c -> table4:pointee;
+}
+