code: public static TapProducer makeTap13YamlProducer() {
          DumperOptions options = new DumperOptions();
          options.setPrintDiagnostics(true);
          return new TapProducer(new Tap13Representer(options));
      }
docs: Create a TAP 13 producer with YAMLish.
  
  @return TapProducer