There's a sandbox project → that demonstrates some changes we could make to allow our content authors to create more accessible content.
One of the changes the sandbox is proposing is allowing content authors to define a location for a long description. Long descriptions are visible on the screen since they can be useful not only for screen reader users but for users with other kinds of disabilities. For example, a person with learning difficulties can find it hard to process a diagram and would prefer to read an explanation of the content of the diagram.
Add a select box allowing to define the position of a long description. This adds an attribute to the image. Based on the attribute a filter will add text to the alt text in the correct language.
Compare this to our current UI:
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TBD
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Active
11.0 🔥
It affects the ability of people with disabilities or special needs (such as blindness or color-blindness) to use Drupal.
Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.
Tagging and providing some links for guidance. This has been a much discussed issue in the W3C.
There doesn't seem to be any support for longdesc in CKEditor 5. I added an upstream issue for it here https://github.com/ckeditor/ckeditor5/issues/14263
Not that we have to wait for it to be resolved there.