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@ -525,6 +525,7 @@ func parseNthPseudo(cmd string) (PseudoClass, error) {
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}, nil
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}
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// check against '-n+2' pattern
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r = regexp.MustCompile(`^-n[ ]?\+[ ]?([0-9])`)
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subMatch = r.FindAllStringSubmatch(number, -1)
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if len(subMatch) == 1 && len(subMatch[0]) == 2 {
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