<description>I'm getting ready for the final push to get the PDF rendering into shape to use as the final version of the book to deliver to MIT Press. I plan to get some coqdoc issues fixed, and I've undone some hack-arounds that were meant to avoid a need for coqdoc changes, in addition to some general improvements to the markup. I've also made some changes to take advantage of Coq 8.4 features.</description>