pandoc/test/command/7810.md

```
% pandoc -f org -t org
- 
  #+begin_example
  aa
  #+end_example
- test
^D
- 
  #+begin_example
  aa
  #+end_example

- test
```

```
% pandoc -f org -t org
- a
- 
- a
- a
^D
- a
- 
- a
- a
```

```
% pandoc -f org -t org
- a
  - b
  - b
- a
- a
^D
- a
  - b
  - b
- a
- a
```