.arcconfig

templater: make sure expression is terminated by '}'

This can't be ensured by the tokenize() generator since the parser stop
consuming tokens once it reached an end of an operation.

Spotted by Matt Harbison.

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