pandoc-2.7.2: test/command/5369.md
```
% pandoc -f native -t markdown
[Div ("",[],[("tags","[\"o\\ne\",\"two\"]")]) [] ]
^D
::: {tags="[\"o\\ne\",\"two\"]"}
:::
```
```
% pandoc -f native -t markdown
[Div ("",[],[("tags","[\"o\\ne\",\"two\"]")]) [] ]
^D
::: {tags="[\"o\\ne\",\"two\"]"}
:::
```