function labelEndOk(code) {
    // Note: `markdown-rs` does a bunch of stuff here.
    return ok(code)
  }
Done, we found something.

```markdown
> | [a](b) c
          ^
> | [a][b] c
          ^
> | [a][] b
         ^
> | [a] b
       ^
```

@type {State}