[Chapter 3: Defining Computation] In-text figure reference for Fig 3.8 disappears in PDF

[junemoretz]

Chapter name: Defining computation (chapter 3)

List of bugs/typos

In the PDF version of this chapter (but not the pandoc HTML version), the in-text reference to Figure 3.8 is replaced by ?? rather than the correct figure number. This reference appears in the first paragraph in the Boolean Circuits section (currently on page 133 in the PDF).