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LibWeb: Support obsolete but required -webkit- CSS parsing quirk

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As outlined in: https://www.w3.org/TR/selectors-4/#compat

We now do not treat unknown webkit pseudo-elements as invalid at parse
time, and also support serializing these elements.

Fixes: #21959
This commit is contained in:
Shannon Booth 2023-12-10 22:06:55 +13:00 • committed by Alexander Kalenik
parent 83758d4cdd
commit ed97946975
9 changed files with 76 additions and 6 deletions
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4
Userland/Libraries/LibWeb/CSS/Selector.cpp
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@ -390,8 +390,10 @@ StringView Selector::PseudoElement::name(Selector::PseudoElement::Type pseudo_el
return "placeholder"sv;
case Selector::PseudoElement::Type::Selection:
return "selection"sv;
case Selector::PseudoElement::Type::PseudoElementCount:
case Selector::PseudoElement::Type::KnownPseudoElementCount:
break;
case Selector::PseudoElement::Type::UnknownWebKit:
VERIFY_NOT_REACHED();
}
VERIFY_NOT_REACHED();
}