[html-aam PR 359] Change figure & figcaption accName computation #2224
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resolves #325 This PR revises the mappings for `figure` and `figcaption` to remove the "labelled by" relations, changing them to "details for". The accessible name computation for `figure` removes `figcaption`, a note is added to further reference this change. TODO: - [ ] need to check on updates to UIA mapping, if any. - [ ] do we want `figcaption` to map to `caption`? - [ ] regardless of above, [`caption`](https://w3c.github.io/aria/#caption) will need to be updated in regards to its referencing `figure` and `figcaption` relationships - [ ] [`aria-details`](https://w3c.github.io/aria/#aria-details) definition should be updated to reference this change
cc @cookiecrook to make sure i got this right. thank you
verified the UIA mappings with help from @benbeaudry made some of the wording consistent between mappings added in a SHOULD to indicate that if a figure is explicitly provided an accessible name from its figcaption, then do not expose the details relationship, as that'd add redundancy.
saying it doesn't know what accname is... so, replacing the instances of the links which may be causing the issue?
see https://bugs.chromium.org/p/chromium/issues/detail?id=1426613#c4 aria-details with an empty string could be useful to authors if there was a specific need to _not_ expose a child figcaption - e.g., if the elements need to have remapped roles for whatever reason.
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pkra
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Now pointing to main. |
rahimabdi
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Re-adding reviewers @cookiecrook @aleventhal @jcsteh. |
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scottaohara
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Details relationships have been removed from this PR. So, what this PR does now is
With these changes, screen readers probably SHOULD, if they don't do so already, make sure that
Obviously, i'm not saying any screen reader 'must' do what i outlined, but it seemed the simplest enough way to indicate that some sort of changes to make sure people can effectively understand the figure's content vs caption can be made - since now the overly verbose/redundancy of figcaptions as names to figures is removed - and we will no longer be asking a details relationship to be exposed, since that had the unintended effect of trying to solve one verbosity issue with a different once. |
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Landed the removal of the auto details relation for Chrome/Edge in https://chromium-review.googlesource.com/c/chromium/src/+/5891779 |
aleventhal
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Nov 14, 2024
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Moved from w3c/html-aam#359
closes: w3c/html-aam#564