pandoc/test/command/5271.md

```
% pandoc -f markdown -t native -s
---
abstract: |
  This is the abstract.

  It consists of two paragraphs.
...
^D
Pandoc
  Meta
    { unMeta =
        fromList
          [ ( "abstract"
            , MetaBlocks
                [ Para
                    [ Str "This"
                    , Space
                    , Str "is"
                    , Space
                    , Str "the"
                    , Space
                    , Str "abstract."
                    ]
                , Para
                    [ Str "It"
                    , Space
                    , Str "consists"
                    , Space
                    , Str "of"
                    , Space
                    , Str "two"
                    , Space
                    , Str "paragraphs."
                    ]
                ]
            )
          ]
    }
  []
```