[,asciidoc]
----
include::foo.adoc[]
----
>>>
Document
  { docMeta =
      Meta
        { docTitle = []
        , docTitleAttributes = Nothing
        , docAuthors = []
        , docRevision = Nothing
        , docAttributes = fromList [ ( "sectids" , "" ) ]
        }
  , docBlocks =
      [ Block
          mempty
          Nothing
          (IncludeListing
             (Just (Language "asciidoc"))
             "test/feature/include/foo.adoc"
             (Just
                [ SourceLine "foo" []
                , SourceLine "" []
                , SourceLine "include::inc/bar.adoc[]" []
                ]))
      ]
  }