add accessibility section #2409
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Contributor
anno.provides I think, not anno.body.provides. "by linking together this body and this target, this anno provides a transcript" Although very unlikely, another anno might use the same body and target to provide something else? |
tomcrane
approved these changes
Jan 19, 2026
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| `provides` | ||
| `provides[]` | ||
| IIIF uses the `provides` property on supplementing annotations to define the specific accessibility functionality that a linked resource enables for its target, describing why and how a client might use it rather than what the resource is by type or format. For example, a text file linked from a video might provide closedCaptions, or an audio file associated with a Canvas might provide an audioDescription. |
Contributor
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do closedCaptions and audioDespcription need to be quoted or backticked?
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backticked I think - we decided to do that in the property tables
mikeapp
reviewed
Jan 20, 2026
| The value of provides _MUST_ be an array of strings. Each string _MUST_ be taken from the [IIIF Registry of Accessibility Values][schema-accessibility]. | ||
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| Annotations MAY include the provides property only when the annotation has the supplementing motivation. | ||
| Clients SHOULD ignore the provides property on resources with any other motivation. |
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Do we want the normative language here or leave it to the model document? If this stays, then needs underscores: MAY and SHOULD
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Some questions:
Do we want to list the 'provides' values in the model and in a registry page?
Does the property go in the body of the anno or at the same level as
motivation?