pandoc-3.10.1: test/command/7080.md

```
% pandoc -f markdown_mmd -t native
![][image]

[image]: image.png width=100px height=150px
^D
[ Para
    [ Image
        ( ""
        , []
        , [ ( "width" , "100px" ) , ( "height" , "150px" ) ]
        )
        []
        ( "image.png" , "" )
    ]
]
```