pandoc-3.0: test/command/yaml-with-chomp.md

```
% pandoc -s -t native
---
ml: |-
    TEST

    BLOCK
...
^D
Pandoc
  Meta
    { unMeta =
        fromList
          [ ( "ml"
            , MetaInlines [ Str "TEST" , LineBreak , Str "BLOCK" ]
            )
          ]
    }
  []
```