fn on_id_or_class<C: Collector>(
s: &Component<SelectorImpl>,
quirks_mode: QuirksMode,
collector: &mut C,
) -> Result<(), AllocErr>
fn on_id_or_class<C: Collector>(
s: &Component<SelectorImpl>,
quirks_mode: QuirksMode,
collector: &mut C,
) -> Result<(), AllocErr>