doc: unify more headings
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines
- Unify punctuation.
- Unify case.
- Unify format nits (add
new
for a constructor, remove()
from a class name). - Unify backticks. We usually do not wrap headings in backticks if these headings contain only API properties or function signatures. In such cases, backticks break uniformity, reduce font size in TOC and headings and baffle doctools.
Also in passing:
- Fix a typo.
- Add a type.