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Convert notes into blockquotes

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James Gregory 2013-12-31 11:06:31 +11:00
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15-02.md
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@ -96,9 +96,11 @@ have learned it by spending five minutes with Sedgewick's book.
![**Figure 15.2**  *Using a dummy head and tail node with a linked list.*](images/15-02.jpg)
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![](images/i.jpg) *The next-node pointer of the head node, which points to the first real node, is the only part of the head node that's actually used. This way the same code works on the head node as on the rest of the list, so there are no special cases.*
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> ![](images/i.jpg)
> The next-node pointer of the head node, which points to the first real
> node, is the only part of the head node that's actually used. This way
> the same code works on the head node as on the rest of the list, so
> there are no special cases.
Likewise, there should be a separate node for the tail of the list, so
that every node that contains real data is guaranteed to have a node on