Re: [csswg-drafts] [css-gaps-1] Allow row decoration breaks in Multicol (with column-wrap) (#13135)

The CSS Working Group just discussed `[css-gaps-1] Allow row decoration breaks in Multicol (with column-wrap)`, and agreed to the following:

* `RESOLVED: Allow authors to break decorations in the row direction (rule-break: intersection), but don't break by default.`

<details><summary>The full IRC log of that discussion</summary>
&lt;TabAtkins> javierct: this is about allowing row-dec breaks in multicol<br>
&lt;TabAtkins> javierct: in the slide, we have two Multicol examples<br>
&lt;TabAtkins> javierct: in top, row dec goes from one end to the other, no breaks<br>
&lt;TabAtkins> javierct: this is what we had in our mental model initially<br>
&lt;TabAtkins> javierct: but there's the options of allowing these decos in the row decoration to break, like they do in flex or grid<br>
&lt;TabAtkins> javierct: there was some concerns about readability/flow of the Multicol if they can break<br>
&lt;TabAtkins> javierct: but by not allowing row decos to break, we create a disparity with the rest of the containers<br>
&lt;TabAtkins> javierct: so our proposal is to allow authors to break the row decos, but don't break by defautl<br>
&lt;TabAtkins> astearns: so would this be a UA rule for Multicol...<br>
&lt;TabAtkins> florian: is that the default for Multicol only?<br>
&lt;TabAtkins> javierct: yes<br>
&lt;TabAtkins> florian: so how is this done...?<br>
&lt;TabAtkins> javierct: that's the next issue<br>
&lt;astearns> ack fantasai<br>
&lt;TabAtkins> javierct: about "auto"<br>
&lt;oSamDavis> Q+<br>
&lt;TabAtkins> fantasai: looking at ED, it looks like the initial value is spanning-item. there's no spanning-items here so it won't break anyway. so that should already work, right?<br>
&lt;TabAtkins> javierct: yeah, spanning-item will give the top behavior<br>
&lt;TabAtkins> fantasai: so there's nothing to fix, then<br>
&lt;TabAtkins> javierct: well we just want to decide if authors should be *able* to break rows<br>
&lt;TabAtkins> fantasai: yes, should be allowed, sure<br>
&lt;astearns> ack oSamDavis<br>
&lt;TabAtkins> astearns: so do we want to resolve on allowing row breaks in multicol?<br>
&lt;fantasai> PROPOSED: Allow authors to break decorations in the row direction (rule-break: intersection), but don't break by default.<br>
&lt;fantasai> RESOLVED: Allow authors to break decorations in the row direction (rule-break: intersection), but don't break by default.<br>
</details>


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Received on Wednesday, 28 January 2026 21:43:48 UTC