I wondered that too. In the interest of converging with the W3C spec I've started with what the latest Editor's Draft says (which only uses labels for properties and actions), but I agree they could be useful in other places too.
I will file an issue in the W3C repo to discuss those additions.
I wondered that too. In the interest of converging with the W3C spec I've started with what the latest Editor's Draft says (which only uses labels for properties and actions), but I agree they could be useful in other places too.
I will file an issue in the W3C repo to discuss those additions.