Addition: popovertarget guidance

w3c / html-aria

ARIA in HTML

https://w3c.github.io/html-aria/

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Addition: popovertarget guidance #514

Open scottaohara opened 2 months ago

scottaohara commented 2 months ago

Closes #513

the aria-expanded state is implicit when using the popovertarget attribute - and authors are not to use the ARIA attribute with this native HTML attribute.

TODO test case

[ ] TODO HTML validator
[ ] TODO IBM equal access accessibility checker
[ ] TODO axe-core
[ ] TODO ARC toolkit

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