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Re: Relationship between WCAG and the ARIA in HTML specification

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From: Patrick H. Lauke
Date: Aug 8, 2023 2:15AM

https://html.spec.whatwg.org/#parse-errors

On 08/08/2023 00:11, Steve Green wrote:
> Have they really defined how every type of invalid markup must be handled? Where can I find this? I searched the HTML5 specification but couldn't find anything relevant. Words like "parsing", "invalid" and "error" occur many hundreds of times, so searching was not effective.
>
> Steve
>
> -----Original Message-----
> From: WebAIM-Forum < <EMAIL REMOVED> > On Behalf Of Patrick H. Lauke
> Sent: Monday, August 7, 2023 8:49 PM
> To: <EMAIL REMOVED>
> Subject: Re: [WebAIM] Relationship between WCAG and the ARIA in HTML specification
>
> On 07/08/2023 20:42, Birkir R. Gunnarsson wrote:
>> I also wonder, if we keep going down this path, whether we still need
>> to report labels that are not connected to inputs under 4.1.2 or
>> 1.3.1, if one or two screen reader browser combinations guess them
>> right.
>
> They may guess them right, but this one can be checked very easily in the underlying API: does the browser expose an accessible name for the input, yes or no? If no (but then the specific AT manages to guess it), it's still a failure of 4.1.2. That one is quite unambiguous, because you can't guarantee that all ATs will have the same heuristics.
>
> In the case of misnested/invalid markup, you can guarantee that browsers all error-correct that markup the same way, since that has been defined explicitly in the HTML (5/living standard) spec, so not up to heuristics in browsers anymore, as used to be the case.
>
> P
> --
> Patrick H. Lauke
>
> https://www.splintered.co.uk/ | https://github.com/patrickhlauke https://flickr.com/photos/redux/ | https://www.deviantart.com/redux https://mastodon.social/@patrick_h_lauke | skype: patrick_h_lauke > > > > > > --
Patrick H. Lauke

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