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Issue #1593 - Follow-up: Accept only a single selector in the argument of :host/:host-context

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Current spec says these two pseudo-classes accept only a single compound selector:
:host( <compound-selector> )
:host-context( <compound-selector> )
This commit is contained in:
FranklinDM 2023-02-21 20:00:53 +08:00 • committed by roytam1
commit 9037d5662d
3 changed files with 13 additions and 0 deletions
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5
layout/style/nsCSSParser.cpp
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@ -6552,6 +6552,11 @@ CSSParserImpl::ParsePseudoClassWithSelectorListArg(nsCSSSelector& aSelector,
return eSelectorParsingStatus_Error; // our caller calls SkipUntil(')')
}
if (nsCSSPseudoClasses::HasSingleSelectorArg(aType) &&
slist->mNext) {
return eSelectorParsingStatus_Error; // our caller calls SkipUntil(')')
}
for (nsCSSSelectorList *l = slist; l; l = l->mNext) {
nsCSSSelector *s = l->mSelectors;
if (s == nullptr) {