.clang-format

tests: alter email `From` line to a value that's consistently parsed

Python2:
>>> email.header.decode_header('=?UTF-8?q?Rapha=C3=ABl=20Hertzog?= <[e-mail]>')
[('Rapha\xc3\xabl Hertzog', 'utf-8'), ('<[e-mail]>', None)]

Python3:
>>> email.header.decode_header('=?UTF-8?q?Rapha=C3=ABl=20Hertzog?= <[e-mail]>')
[(b'Rapha\xc3\xabl Hertzog', 'utf-8'), (b' <[e-mail]>', None)]

So alter the input to an input that parses to the same result
consistently. After skimming the relevant RFC (1342), I'm not sure if
what we had was valid, or how I could modify it to be more consistent.

Differential Revision: https://phab.mercurial-scm.org/D5769

BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
  - Regex:           '^<'
    Priority:        1
  - Regex:           '^"'
    Priority:        2