```
% pandoc -f html -t html
foo
^D
foo
```
```
% pandoc -f html -t native
foo
^D
[ Plain
  [ Span
    ( "foo", [ "dfn", "dfn" ], [ ( "title", "bax" ) ] )
    [ Span ( "", [], [] ) [ Str "foo" ] ]
  ]
]
```
```
% pandoc -f native -t html
[Plain [Span ("foo",["dfn","dfn"],[("title","bax")]) [Span ("",[],[]) [Str "foo"]]]]
^D
foo
```