
* If the combobox does _not_ have autocomplete behavior, remove the `aria-autocomplete` attribute (the default value is `aria-autocomplete="none"`)
* **Or**, if the combobox has autocomplete behavior with no text input, use `aria-autocomplete="list"` (see example)
* **Or**, if the combobox has autocomplete behavior with no popup, use `aria-autocomplete="inline"` and change the role to `"searchbox"` or `"textbox"`
* **Or**, if the combobox has autocomplete behavior that includes _both_ inline text appearing