# File lib/compass/configuration/inheritance.rb, line 80
          def serialize_to_config(prop)
            if v = @data.raw(prop)
              "#{prop} = #{v.inspect}"
            else
              s = ""
              if added = @data.instance_variable_get("@added_to_#{@attr}")
                added.each do |a|
                  s << "#{prop} << #{a.inspect}\n"
                end
              end
              if removed = @data.instance_variable_get("@removed_from_#{@attr}")
                removed.each do |r|
                  s << "#{prop} >> #{r.inspect}\n"
                end
              end
              if s[-1..-1] == "\n"
                s[0..-2]
              else
                s
              end
            end
          end