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Update programmatically-determined-link-context.md #2341
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@@ -8,13 +8,12 @@ input_aspects: | |||||||
- DOM tree | ||||||||
--- | ||||||||
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The _programmatically determined context_ of a link (or _programmatically determined link context_) is the set of all elements that are [included in the accessibility tree][], and have one or more of the following relationships to the link: | ||||||||
The _programmatically determined context_ of a link (or _programmatically determined link context_) is the link's [accessible description][], combined with the set of all elements that are [included in the accessibility tree][], and have one or more of the following relationships to the link: | ||||||||
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- being an [ancestor][] of the link in the [flat tree][] with a [semantic role][] of `listitem`; or | ||||||||
- being the closest [ancestor][] of the link in the [flat tree][] that generates a [block container][]; or | ||||||||
- being the closest [ancestor][] of the link in the [flat tree][] that has a [semantic role][] of `cell` or `gridcell`; or | ||||||||
- being a header cell [assigned][] to the closest [ancestor][] of the link in the [flat tree][] that has a [semantic role][] of `cell` or `gridcell`; or | ||||||||
- being referenced by an `aria-describedby` attribute of the link. | ||||||||
- being a header cell [assigned][] to the closest [ancestor][] of the link in the [flat tree][] that has a [semantic role][] of `cell` or `gridcell`. | ||||||||
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This definition is based on (but not equivalent to) the [WCAG definition of programmatically determined link context](https://www.w3.org/TR/WCAG22/#dfn-programmatically-determined-link-context). | ||||||||
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@@ -26,3 +25,4 @@ This definition assumes that the HTML document with the link is a document using | |||||||
[flat tree]: https://drafts.csswg.org/css-scoping/#flat-tree 'CSS Scoping Module Level 1, flat tree, 2021/11/29' | ||||||||
[included in the accessibility tree]: #included-in-the-accessibility-tree 'Definition of included in the accessibility tree' | ||||||||
[semantic role]: #semantic-role 'Definition of semantic role' | ||||||||
[accessible description]: https://www.w3.org/TR/accname/#dfn-accessible-description | ||||||||
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