function tagClose(code) {
    // ASCII alphanumerical and `-`.
    if (code === codes.dash || asciiAlphanumeric(code)) {
      effects.consume(code)
      return tagClose
    }

    return tagCloseBetween(code)
  }
After `</x`, in a tag name.

```markdown
> | a </b> c
         ^
```

@type {State}