It seems like we got a parser error (i.e. `CalcNode::resolve()` returns an error) when using `calc(10s + (sign(2cqw - 10px) * 5s))`. I will try to check what happened.
Bug 1915976 Comment 2 Edit History
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It seems like we got a parser error (i.e. `CalcNode::resolve()` returns an error) when using `calc(10s + (sign(2cqw - 10px) * 5s))` on `animation-delay`. I will try to check what happened.