# File lib/dnsruby.rb, line 179
179:     def unknown_code(arg)
180:       Classes.add_pair('CLASS' + arg.to_s, arg)
181:       set_code(arg)
182:     end

     # File lib/dnsruby.rb, line 170
170:     def unknown_string(arg)
171:       if (arg=~/^CLASS/i)
172:         Classes.add_pair(arg, arg.gsub('CLASS', '').to_i)
173:         set_string(arg)
174:       else
175:         raise ArgumentError.new("String #{arg} not a member of #{self.class}")
176:       end
177:     end