Docs: add warning note on ${listnamed:} operator

[users/heiko/exim.git] / test / stdout / 0238

userx@test.ex cannot be resolved at this time: failed to expand "${if eq{$local_part}" for require_files: missing 2nd string in {} after "eq"
xxx@a.b.c cannot be resolved at this time: require_files: "un/qualified" is not absolute