.arcconfig

run-tests: include "\n" in formatted message instead of calling writeln()

So we don't have to strip "\n" from pygments output.

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}