# File dns/lib/symbiosis/config_files/tinydns.rb, line 87
      def tinydns_encode(s)
        #
        # All bytes between 32 and 126, except hash (comment) and colon (field delimiter)
        #
        ok_bytes = ((32..126).to_a - [35, 58])
        s.to_s.bytes.collect do |b|
          (ok_bytes.include?(b) ? b.chr : ("\\%03o" % b))
        end.join
      end