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Auto merge of #15867 - servo:negative, r=nox

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Reject negative factors in filter functions (fixes #15494)

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bors-servo 2017-03-08 05:28:59 -08:00 • committed by GitHub
commit 1f2e1e8b84
2 changed files with 45 additions and 2 deletions
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4
components/style/properties/longhand/effects.mako.rs
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@ -367,8 +367,8 @@ ${helpers.predefined_type("clip",
fn parse_factor(input: &mut Parser) -> Result<::values::CSSFloat, ()> {
use cssparser::Token;
match input.next() {
Ok(Token::Number(value)) => Ok(value.value),
Ok(Token::Percentage(value)) => Ok(value.unit_value),
Ok(Token::Number(value)) if value.value.is_sign_positive() => Ok(value.value),
Ok(Token::Percentage(value)) if value.unit_value.is_sign_positive() => Ok(value.unit_value),
_ => Err(())
}
}