function continuationBefore(code) {
    if (code === codes.eof || markdownLineEnding(code)) {
      return continuationStart(code)
    }

    effects.enter(types.htmlFlowData)
    return continuation(code)
  }
In continuation, before non-lazy content.

```markdown
  | <x>
> | asd
    ^
```

@type {State}