Pandoc
  ( Meta { unMeta = fromList [] } )
  [ Header 1
    ( "", [], [] )
    [ Str "Heading", Space, Str "1" ]
  , Header 2
    ( "", [], [] )
    [ Str "Heading", Space, Str "2" ]
  , Header 3
    ( "", [], [] )
    [ Str "Heading", Space, Str "3" ]
  , Para
    [ Str "Paragraph" ]
  ]