Odoc_index.Skeleton_ofSourcePage hierarchies represent a hierarchy of pages.
val lang :
pages:Odoc_model.Lang.Page.t list ->
modules:Odoc_model.Lang.Compilation_unit.t list ->
implementations:Odoc_model.Lang.Implementation.t list ->
Skeleton.tUses the convention that the index children passes its payload to the container directory to output a payload