Conversion bugs meta issue

[glennsl]

The purpose of this issue is to provide a better overview of conversion issues, and to provide test cases, both current and historic to prevent regressions.

Should be converted

• https://bucklescript.github.io/bucklescript/api/Js_re.html (Conversion on BS api pages #47)
• https://realworldocaml.org/ (Convert RWO automatically #15)
• https://bucklescript.github.io/bucklescript/api/Js.Global.html (BuckleScript API docs should be autoconverted and render properly #77)

Should not be converted

• http://asciidoctor.org/docs/user-manual/ (Might not be Ocaml Doc: http://asciidoctor.org/docs/user-manual/ #40, blacklisted)
• http://nim-lang.org/index.html (Wrongly styling plain website #21)
• https://caml.inria.fr/pub/docs/u3-ocaml/ocaml-objects.html (https://caml.inria.fr/pub/docs/u3-ocaml/ocaml-objects.html should not be converted #17, blacklisted)
• https://www.mercurial-scm.org/wiki/MergeDriverPlan

Incorrect formatting/styling

• https://mwhittaker.github.io/distributed-systems-ocaml/code_MorePipes.html (Conversion fails, and undo #49, no-pre, blacklisted)
• https://ocaml.janestreet.com/ocaml-core/latest/doc/core/ (Autoconversion breaks Jane Street Core docs #46, blacklisted)
• https://ocaml.janestreet.com/ocaml-core/latest/doc/core/Std/Option.mod/ (Odoc-generated pages aren't very readable #27, odoc)
• http://ounit.forge.ocamlcore.org/api-ounit/index.html (Some pages get all their code listings turned into one-liners #26, no-pre)
• ocamldoc link preservation (ocamldoc link preservation #11)
• https://bucklescript.github.io/bucklescript/api/Js.Global.html (BuckleScript API docs should be autoconverted and render properly #77)

Fails refmt

• http://ounit.forge.ocamlcore.org/api-ounit/ (Autoconversion fails on ounit docs #42)
• https://caml.inria.fr/pub/docs/u3-ocaml/ocaml051.html (Autoconverted ocaml docs with a certain kind of code listing isn't picked up and reformatted. #23)