registrar: clarify the documentation about some byte strings being required
I *thought* these needed to be byte strings, but didn't remember and had to
search out examples.
Differential Revision: https://phab.mercurial-scm.org/D9489
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2