view .arcconfig @ 35470:a33be093ec62

templater: look up symbols/resources as if they were separated (issue5699)

It wouldn't be easy to split the mapping dict into (symbols, resources). This
patch instead rejects invalid lookup taking resources.keys() as source of
truth.

The doctest is updated since mapping['repo'] is now reserved for a repo
object.

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