From 836294cbb6c7a9e0364293a29b308afd5eee1eba Mon Sep 17 00:00:00 2001
From: Domenic Denicola label
element, and any
descendants of those interactive content descendants, must be to do nothing.
Form-associated custom
+ elements are labelable elements, so for user agents
+ where the label
element's activation behavior impacts the labeled
+ control, both built-in and custom elements will be impacted.