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According to CSS2, the bottom margin of a block container can collapse with the bottom margin of its last in-flow child if `height` computes to `auto`. However, according to CSS Sizing, that was "legacy spec prose" and should be interpreted as "behaves as `auto`". Therefore, cyclic percentages and intrinsic keywords like `min-content` shouldn't prevent margin collapse, because they behave as `auto`. This change aligns Servo with Gecko and Blink, but diverges from WebKit. https://www.w3.org/TR/CSS22/box.html#collapsing-margins https://www.w3.org/TR/css-sizing/#behave-auto Testing: - `tests/wpt/tests/css/css-sizing/margin-collapse-with-indefinite-block-size-001.html` - `tests/wpt/tests/css/css-sizing/margin-collapse-with-indefinite-block-size-002.html` - `tests/wpt/tests/css/css-sizing/margin-collapse-with-indefinite-block-size-003.html` - `tests/wpt/tests/css/css-sizing/margin-collapse-with-indefinite-block-size-004.html` - `tests/wpt/tests/css/css-sizing/margin-collapse-with-indefinite-block-size-005.html` Signed-off-by: Oriol Brufau <obrufau@igalia.com> |
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| .. | ||
| display_list | ||
| flexbox | ||
| flow | ||
| fragment_tree | ||
| table | ||
| taffy | ||
| tests | ||
| Cargo.toml | ||
| cell.rs | ||
| construct_modern.rs | ||
| context.rs | ||
| dom.rs | ||
| dom_traversal.rs | ||
| formatting_contexts.rs | ||
| geom.rs | ||
| layout_box_base.rs | ||
| lib.rs | ||
| lists.rs | ||
| positioned.rs | ||
| query.rs | ||
| quotes.rs | ||
| replaced.rs | ||
| sizing.rs | ||
| style_ext.rs | ||
| traversal.rs | ||