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LibWeb/CSS: Reject trailing unparseable tokens in property values

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Without this, we'd happily parse `font-variant-caps: small-caps potato`
as just `small-caps` and ignore the fact that unused tokens were left
over.

This fix gets us some WPT subtest passes, and removes the need for a
bespoke parsing function for font-variant-caps.
This commit is contained in:
Sam Atkins 2025-02-06 15:05:31 +00:00
commit cda3fe7a4b
Notes: github-actions[bot] 2025-02-12 16:02:07 +00:00
11 changed files with 28 additions and 62 deletions
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1
Libraries/LibWeb/CSS/Parser/Parser.h
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@ -376,7 +376,6 @@ private:
RefPtr<CSSStyleValue> parse_font_variation_settings_value(TokenStream<ComponentValue>&);
RefPtr<CSSStyleValue> parse_font_variant(TokenStream<ComponentValue>&);
RefPtr<CSSStyleValue> parse_font_variant_alternates_value(TokenStream<ComponentValue>&);
RefPtr<CSSStyleValue> parse_font_variant_caps_value(TokenStream<ComponentValue>&);
RefPtr<CSSStyleValue> parse_font_variant_east_asian_value(TokenStream<ComponentValue>&);
RefPtr<CSSStyleValue> parse_font_variant_emoji(TokenStream<ComponentValue>&);
RefPtr<CSSStyleValue> parse_font_variant_ligatures_value(TokenStream<ComponentValue>&);