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layout: Remove rules for legacy pseudo-elements in user agent stylesheet (#36698)

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The legacy layout system used these pseudo-elements, but modern layout
no longer does, so they are unused. They can simply be removed.

Testing: No new tests as this is effectively dead code.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
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Martin Robinson 2025-04-26 12:11:47 +02:00 • committed by GitHub
parent a62f0eaf0a
commit 18d6981d84
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78
resources/servo.css
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@ -141,64 +141,12 @@ svg > * {
display: none; display: none;
} }
/*
* For most (but not all) anon-boxes, we inherit all values from the
* parent.
*
* Anonymous table flows shouldn't inherit their parents properties in order
* to avoid doubling up styles such as transformations. Same for text and such.
*
* For tables, we do want style to inherit, because TableWrapper is
* responsible for handling clipping and scrolling, while Table is
* responsible for creating stacking contexts.
*
* StackingContextCollectionFlags makes sure this is processed
* properly.
*
* FIXME(emilio): inheriting all is a very strong hammer, and it's likely
* broken for stuff like table backgrounds and such. Gecko explicitly inherits
* what it wants, which seems a bit better off-hand.
*/
*|*::-servo-legacy-anonymous-table,
*|*::-servo-legacy-anonymous-table-wrapper,
*|*::-servo-legacy-table-wrapper,
*|*::-servo-legacy-anonymous-block,
*|*::-servo-legacy-inline-block-wrapper,
*|*::-servo-legacy-inline-absolute {
all: inherit;
}
*|*::-servo-anonymous-box { *|*::-servo-anonymous-box {
unicode-bidi: inherit; unicode-bidi: inherit;
direction: inherit; direction: inherit;
writing-mode: inherit; writing-mode: inherit;
} }
*|*::-servo-legacy-table-wrapper {
display: table;
border: none;
}
*|*::-servo-legacy-anonymous-table-wrapper {
position: static;
margin: 0;
counter-increment: none;
/* We don't want anonymous table parts to inherit hidden overflow, because
* they will create extra unnecessary ClipScrollNodes which also throws
* off assignment of contained flows. */
overflow: visible;
}
*|*::-servo-legacy-anonymous-table {
display: table;
position: static;
border: none;
padding: 0;
counter-increment: none;
overflow: visible;
}
*|*::-servo-anonymous-table { *|*::-servo-anonymous-table {
display: table; display: table;
} }
@ -249,32 +197,6 @@ svg > * {
display: table; display: table;
} }
*|*::-servo-legacy-anonymous-block {
display: block;
position: static;
border: none;
padding: 0;
margin: 0;
width: auto;
height: auto;
}
/* The outer fragment wrapper of an inline-block. */
*|*::-servo-legacy-inline-block-wrapper {
position: static;
border: none;
padding: 0;
margin: 0;
}
/* The outer fragment wrapper of an inline absolute hypothetical fragment. */
*|*::-servo-legacy-inline-absolute {
clip: auto;
border: none;
padding: 0;
margin: 0;
}
meter { meter {
display: inline-block; display: inline-block;
width: 100px; width: 100px;