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[css-overflow-4] Clarify (independent) formatting contexts and ellipsis insertion #12825

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Sep 18, 2025
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[css-overflow-4] Clarify (independent) formatting contexts and ellipsis insertion #12825

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11 changes: 6 additions & 5 deletions css-overflow-4/Overview.bs
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Expand Up @@ -729,11 +729,12 @@ Indicating Block-Axis Overflow: the 'block-ellipsis' property</h3>
block-ellipsis-repaint-002.html
</wpt>

This property only affects a line box
if it immediately precedes either a [=region break=]
or a [=clamp point=] in the [=block formatting context=],
ignoring any intervening [=absolutely positioned=] element
or any element closing boundary.
Ignoring any intervening [=absolutely positioned=] element
or any element closing boundary,
this property only affects a line box
if it immediately precedes either a [=region break=] or a [=clamp point=],
and the line box is in the same [=independent formatting context=]
as the [=clamp point=] or the [=region break=].

Note: See ''continue: discard'' for a way to generate boxes with such a [=region break=].

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