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[css-scroll-anchoring-1] Fix anchor selection step. #12342

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Merged
merged 2 commits into from
Jun 16, 2025
Merged

[css-scroll-anchoring-1] Fix anchor selection step. #12342

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70a35bd
Fix anchor selection step. Closes #11748
vmpstr Jun 16, 2025
2000bd7
Fix indentation
vmpstr Jun 16, 2025
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Fix anchor selection step. Closes #11748
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@vmpstr
vmpstr committed Jun 16, 2025
commit 70a35bd491cf99afb27a55d02e3474cf90d7c544
9 changes: 7 additions & 2 deletions css-scroll-anchoring-1/Overview.bs
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Expand Up @@ -142,8 +142,12 @@ non-atomic inline element as the priority candidate.
whose computed value of the 'overflow-anchor' property is ''overflow-anchor/none'',
then do not select an anchor node for |S|.
2. Otherwise, for each <a>priority candidate</a> |PC| in order specified,
check if |PC| is a <a>viable candidate</a> in |S|. If so, select it as an
anchor node and terminate.
check if |PC| is a <a>viable candidate</a> in |S|.
If so, perform the <a>candidate examination algorithm</a> for |PC| in |S| and terminate.

Note: Since the priority candidate itself is checked to be viable, the <a>candidate examination algorithm</a>
is guaranteed to select at least the candidate node itself.

3. Otherwise, for each DOM child |N| of the element or document associated with |S|,
perform the <a>candidate examination algorithm</a> for |N| in |S|,
and terminate if it selects an anchor node.
Expand Down Expand Up @@ -345,3 +349,4 @@ Changes Since the Feb 11 2020 Working Draft</h3>

* Added definitions of [=viable candidate=] and [=priority candidate=].
* Clarified interaction between scroll anchoring and [=scroll snapping=].
* Added a step to run <a>candidate examination algorithm</a> on viable priority candidates.