class Sass::Selector::CommaSequence

def to_sass_script
  Sass::Script::Value::List.new(members.map do |seq|
    Sass::Script::Value::List.new(seq.members.map do |component|
      next if component == "\n"
      Sass::Script::Value::String.new(component.to_s)
    end.compact, separator: :space)
  end, separator: :comma)
end