If you use the first edition of the textbook, follow the reading material
in orange. If you use the second edition,
follow the reading material in brown.
pages 253-256 (Section 7.2.2),
pages 275-281 (Section 7.5-7.5.2),
page 265 (Section 7.4)
pages 358-368 (Section 8.5.1-8.6.2),
page 393 (Section 9.2)
Implementation of a dictionary by means of a skip list in
PostScript and PDF.
Give the class SkipListNode and the instance variables and the constructor of
the class SkipListDictionary.