:nth-child(expr) is parsed as CSSSelectorSimpleMember

[Lesny]

Selectors such as:

• :nth-child(2)
• :nth-child(2n+7)
• :nth-child(odd)

Are all parsed to CSSSelectorSimpleMember with value :nth-child(odd) instead of CSSSelectorMemberFunctionLike with functionName :nth-child( and parameterExpression odd / 2/2n+7 etc.

I am not sure if these are supposed to be part of public API, if not, then it may not be a bug. I am writing CSS interpreter, and in this context it is problematic.

[stale[bot]]

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