= Title

== Foo

[#foobar]
== Foo

=== Foo

==== Foobar

== Hello *there*, section!
>>>
Document
  { docMeta =
      Meta
        { docTitle = [ Inline mempty (Str "Title") ]
        , docTitleAttributes = Nothing
        , docAuthors = []
        , docRevision = Nothing
        , docAttributes = fromList [ ( "sectids" , "" ) ]
        }
  , docBlocks =
      [ Block
          Attr
          ( [] , fromList [ ( "id" , "_foo" ) ] )
          Nothing
          (Section (Level 1) [ Inline mempty (Str "Foo") ] [])
      , Block
          Attr
          ( [] , fromList [ ( "id" , "foobar" ) ] )
          Nothing
          (Section
             (Level 1)
             [ Inline mempty (Str "Foo") ]
             [ Block
                 Attr
                 ( [] , fromList [ ( "id" , "_foo_2" ) ] )
                 Nothing
                 (Section
                    (Level 2)
                    [ Inline mempty (Str "Foo") ]
                    [ Block
                        Attr
                        ( [] , fromList [ ( "id" , "_foobar" ) ] )
                        Nothing
                        (Section (Level 3) [ Inline mempty (Str "Foobar") ] [])
                    ])
             ])
      , Block
          Attr
          ( [] , fromList [ ( "id" , "_hello_there,_section!" ) ] )
          Nothing
          (Section
             (Level 1)
             [ Inline mempty (Str "Hello ")
             , Inline mempty (Bold [ Inline mempty (Str "there") ])
             , Inline mempty (Str ", section!")
             ]
             [])
      ]
  }