def tree.sub
import emerging-eztoml@0.9.0.0/main.bend as EmergingEztomlimport Base
2401# descend into one key
2402def tree.sub(name: String, tw: Tw, mark: Bool) -> Tw:
2403 Tw{+vs, job, stack, +bad, pre, heads, inl} = tw
2404 tree.sub.bad(String.is_empty(bad), name, vs, job, stack, bad, pre, heads, inl, mark)