# File lib/active_ldap/distinguished_name.rb, line 225
    def to_s
      @rdns.collect do |rdn|
        rdn.sort_by do |type, value|
          type.upcase
        end.collect do |type, value|
          "#{type}=#{self.class.escape_value(value)}"
        end.join("+")
      end.join(",")
    end