From 5686fff26e141ab22ba6a8e1ddde42b6c8c25c6a Mon Sep 17 00:00:00 2001
From: Scott O'Hara
No corresponding role
role=button.
+ The exposed role of a `summary` element can vary depending on the user agent and assistive technology.
No `role` if the `summary` element is a - summary for its parent details. + summary for its parent details element.
Global `aria-*` attributes, `aria-disabled`, and `aria-haspopup` attributes.
- Otherwise, authors MAY specifiy Any `role`, and any + Otherwise, if the `summary` element is not a + summary for its parent details + element, authors MAY specifiy any `role`, and any global `aria-*` attributes and any `aria-*` attributes applicable to the allowed roles.