- vpat_7: When a popup is showing, mark menuseparators with
role="presentation" to clear whatever semantics a separator
has. It prevents the screen readers from counting it as
an interactable element while announcing the index of
a menuitem within the popup. It also makes the screen readers
count items across all sections, instead of stopping at
the first separator.
- vpat_14: When menupopup is hiding, for a moment, mark it
as aria-hidden. It forces VoiceOver to move cursor back to
the previously focused element. Otherwise, it is not aware that
the popup went away, the cursor gets stuck inside of the
invisible menu, no elements will be announced until the screen
readers is reloaded.
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