function meta(code) {
    if (code === codes.eof || markdownLineEnding(code)) {
      effects.exit(types.chunkString)
      effects.exit(types.codeFencedFenceMeta)
      return infoBefore(code)
    }

    if (code === codes.graveAccent && code === marker) {
      return nok(code)
    }

    effects.consume(code)
    return meta
  }
In meta.

```markdown
> | ~~~js eval
          ^
  | alert(1)
  | ~~~
```

@type {State}