configitems: use raw strings for hidden-{command,topic} items
These strings are regular expressions. The "\." needs to be
string escaped. We use raw strings to avoid doing that and the
SyntaxWarning we'd receive otherwise on Python 3.8.
Differential Revision: https://phab.mercurial-scm.org/D5822
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2