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Addition: fix the long-standing gap of how th scope=rowgroup should be mapped to align with HTML semantics - #2950

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scottaohara wants to merge 3 commits into
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@scottaohara

@scottaohara scottaohara commented Oct 23, 2026 •

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🚀 Netlify Preview:
🔄 this PR updates the following specs:

a `th scope=rowheader` is meant to serve as a way to label (name) a [Row Group](https://html.spec.whatwg.org/multipage/tables.html#attr-th-scope-rowgroup) in HTML

there's also `scope=colgroup` / the concept of a Column Group in HTML - but i have zero idea how that fits in with the current reality that LOL, the fact `rowgroup` exists is barely recognized by AT (if at all).... so that's purposefully not part of this PR.
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github-actions Bot temporarily deployed to pull request October 23, 2026 16:43 Inactive
update mappings for `thead`, `tfoot` and `tbody` to identify that the first descendent `th scope=rowheader` is meant to provide these elements their accessible name.

matched other similar labelldby relationships (e.g., fieldset to legend) but the difference here is that the `th` elements is _not_ a direct child of the `thead`, `tfoot` or `tbody` elements
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github-actions Bot temporarily deployed to pull request October 23, 2026 22:04 Inactive

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