pandoc-3.10.1: test/command/4513.md

```
% pandoc -f textile -t native
|_. heading 1 |_. heading 2|
^D
[ Table
    ( "" , [] , [] )
    (Caption Nothing [])
    [ ( AlignDefault , ColWidthDefault )
    , ( AlignDefault , ColWidthDefault )
    ]
    (TableHead
       ( "" , [] , [] )
       [ Row
           ( "" , [] , [] )
           [ Cell
               ( "" , [] , [] )
               AlignDefault
               (RowSpan 1)
               (ColSpan 1)
               [ Plain [ Str "heading" , Space , Str "1" ] ]
           , Cell
               ( "" , [] , [] )
               AlignDefault
               (RowSpan 1)
               (ColSpan 1)
               [ Plain [ Str "heading" , Space , Str "2" ] ]
           ]
       ])
    [ TableBody ( "" , [] , [] ) (RowHeadColumns 0) [] [] ]
    (TableFoot ( "" , [] , [] ) [])
]
```