function inside(code) {
    if (code === marker) {
      effects.consume(code)
      return inside
    }

    effects.exit(types.setextHeadingLineSequence)

    return markdownSpace(code)
      ? factorySpace(effects, after, types.lineSuffix)(code)
      : after(code)
  }
In sequence.

```markdown
  | aa
> | ==
    ^
```

@type {State}