sideshowbarker

OK thanks — so yeah, for the record here, I see that the specific steps which are relevant here are these: > 2. _Loop_: Find the first seven characters in...

That error occurs because `aria-expanded` isn’t allowed for the `checkbox` role https://w3c.github.io/aria/#aria-expanded So the fix is to either to give that `input` element a different role that does allow `aria-expanded`,...

As far as I understand it, the checker is conforming to the relevant requirements for this in the ARIA in HTML spec https://www.w3.org/TR/html-aria/ cc @stevefaulkner

@stevefaulkner can you please take a look at this and let me know if any change is needed.

> So i understand the validator consider that the banner element has the strong native semantics banner ? Assuming you mean the `header` element (instead of `banner` element), then yes....

> what's the best way for me to provide advice on a more meaningful message for this? If you mean the warning “The `banner` role is unnecessary for element `header`”...

You’ll need to update your homebrew clang. The build won’t work with clang 16. I think is currently needs clang 19.

Noting that https://html.spec.whatwg.org/multipage/scripting.html#the-script-element:speculation-rule-set is where the relevant spec requirement seems to be.

The relevant requirements for this start at https://html.spec.whatwg.org/multipage/tables.html#table-model-error > A table model error is an error with the data represented by [table](https://html.spec.whatwg.org/multipage/tables.html#the-table-element) elements and their descendants. Documents must not have...

If we’re going to do this, a different approach to consider is something like the way the WebKit project handles it — which is to organize skip/expected-to-fail/expected-to-be-flaky data into `TestExpectations`...