layout: Set padding to zero on tables in collapsed-borders mode (#34908)

https://drafts.csswg.org/css2/#collapsing-borders
> in this model, a table does not have padding

https://drafts.csswg.org/css-tables/#collapsed-style-overrides
> The padding of the table-root is ignored (as if it was set to 0px).

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Oriol Brufau 2025-01-09 06:06:26 -08:00 committed by GitHub
parent e75041d53f
commit 4f8dcfe6f9
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7 changed files with 147 additions and 11 deletions

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@ -105991,6 +105991,58 @@
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@ -0,0 +1,17 @@
<!DOCTYPE html>
<title>CSS Test: Tables under the collapsing borders model don't have padding</title>
<link rel="author" title="Oriol Brufau" href="obrufau@igalia.com">
<link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#collapsing-borders">
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<style>
table {
border-collapse: collapse;
box-sizing: content-box;
width: 100px;
height: 100px;
padding: 100px;
background: green;
}
</style>
<p>Test passes if there is a filled green square.</p>
<table></table>

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@ -0,0 +1,17 @@
<!DOCTYPE html>
<title>CSS Test: Tables under the collapsing borders model don't have padding</title>
<link rel="author" title="Oriol Brufau" href="obrufau@igalia.com">
<link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#collapsing-borders">
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<style>
table {
border-collapse: collapse;
box-sizing: border-box;
width: 100px;
height: 100px;
padding: 100px;
background: green;
}
</style>
<p>Test passes if there is a filled green square.</p>
<table></table>

View file

@ -0,0 +1,22 @@
<!DOCTYPE html>
<title>CSS Test: Tables under the collapsing borders model don't have padding</title>
<link rel="author" title="Oriol Brufau" href="obrufau@igalia.com">
<link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#collapsing-borders">
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<style>
div {
float: left;
background: green;
}
table {
border-collapse: collapse;
box-sizing: content-box;
width: 100px;
height: 100px;
padding: 100px;
}
</style>
<p>Test passes if there is a filled green square.</p>
<div>
<table></table>
</div>

View file

@ -0,0 +1,22 @@
<!DOCTYPE html>
<title>CSS Test: Tables under the collapsing borders model don't have padding</title>
<link rel="author" title="Oriol Brufau" href="obrufau@igalia.com">
<link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#collapsing-borders">
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<style>
div {
float: left;
background: green;
}
table {
border-collapse: collapse;
box-sizing: border-box;
width: 100px;
height: 100px;
padding: 100px;
}
</style>
<p>Test passes if there is a filled green square.</p>
<div>
<table></table>
</div>