Still rewriting Format module documentation.
Still rewriting Format module documentation.

Adding a use case for symbolic printing.
Removing bad cross reference warning from ocamldoc.
Adding extra cross-references where appropriate.
Removing spurious typos, white lines and bad formulations.

gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml