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Auto merge of #14789 - Manishearth:supports, r=SimonSapin

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Support @supports

fixes #14786

cc @heycam @upsuper
r? @SimonSapin

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This commit is contained in:
bors-servo 2017-01-09 10:54:38 -08:00 • committed by GitHub
commit 50bba770d6
98 changed files with 638 additions and 218 deletions
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5
components/style/stylist.rs
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@ -408,14 +408,15 @@ impl Stylist {
fn mq_eval_changed(rules: &[CssRule], before: &Device, after: &Device) -> bool {
for rule in rules {
if rule.with_nested_rules_and_mq(|rules, mq| {
let changed = rule.with_nested_rules_and_mq(|rules, mq| {
if let Some(mq) = mq {
if mq.evaluate(before) != mq.evaluate(after) {
return true
}
}
mq_eval_changed(rules, before, after)
}) {
});
if changed {
return true
}
}