Re: RFE: Let XXE react to width of <col> elements

On 8/4/26 18:53, Leif Halvard Silli wrote:
> 
> It is just super that you have fixed the styling of <col/>!
> 
> NB: Note that there are 4 CSS properties that apply to <col/> – border, 
> visibility, background-color and width: https://developer.mozilla.org/ 
> en-US/docs/Web/HTML/Reference/Elements/col#usage_notes
> 
> 

XXE only supports 2 CSS properties: background-color and width.



> 
> But why couldn’t the collapse/expand of <colgroup> work like collapse/ 
> expand of a <section> with a  h1-h6 element? Adding an attribute value 
> to a child of a <section> does not cause the <section> to collapse – or 
> expand. Or perhaps this relies on the element having collapes:no applied 
> to itself, like you describe below?
> 
<colgroup> is styled using display:table-column-group; <col> is styled 
using display:table-column.

XXE considers display:table-column-group to be a kind of 
display:inline-tree and display:table-column to be a kind of display:tree.

display:inline-tree and display:tree basically come from XXE's tree view 
and as such cannot be actually styled using CSS and have a built-in 
collapser gadget. This is very different from <section>/<h1>:

---
section {
     display: block;
     collapsible: yes;
     not-collapsible-head: 1;
}

h1 {
     display: block;
     font-weight: bold;
     font-size: 2em;
     margin: 0.5em 0;
}

section > h1:first-child:before {
     content: collapser() " ";
}
---


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