audio::ocean_waves.mp3[options="autoplay, nocontrols, loop"]
>>>
Document
  { docMeta =
      Meta
        { docTitle = []
        , docTitleAttributes = Nothing
        , docAuthors = []
        , docRevision = Nothing
        , docAttributes = fromList [ ( "sectids" , "" ) ]
        }
  , docBlocks =
      [ Block
          Attr
          ( [] , fromList [ ( "options" , "autoplay, nocontrols, loop" ) ] )
          Nothing
          (BlockAudio (Target "ocean_waves.mp3"))
      ]
  }