# File lib/sass/selector/sequence.rb, line 48
      def resolve_parent_refs(super_seq)
        members = @members.dup
        nl = (members.first == "\n" && members.shift)
        unless members.any? do |seq_or_op|
            seq_or_op.is_a?(SimpleSequence) && seq_or_op.members.first.is_a?(Parent)
          end
          old_members, members = members, []
          members << nl if nl
          members << SimpleSequence.new([Parent.new], false)
          members += old_members
        end

        Sequence.new(
          members.map do |seq_or_op|
            next seq_or_op unless seq_or_op.is_a?(SimpleSequence)
            seq_or_op.resolve_parent_refs(super_seq)
          end.flatten)
      end