anchor.diff:  		this.repository = repository;
   	}
   
  -    public ServerResponse listPeople(ServerRequest request) { // <1>
  -        List<Person> people = repository.allPeople();
  -        return ok().contentType(APPLICATION_JSON).body(people);
  -    }
  -
  -    public ServerResponse createPerson(ServerRequest request) throws Exception { // <2>
  -        Person person = request.body(Person.class);
  -        repository.savePerson(person);
  -        return ok().build();
  -    }
  -
  -    public ServerResponse getPerson(ServerRequest request) { // <3>
  -        int personId = Integer.parseInt(request.pathVariable("id"));
  -        Person person = repository.getPerson(personId);
  -        if (person != null) {
  -            return ok().contentType(APPLICATION_JSON).body(person))
  -        }
  -        else {
  -            return ServerResponse.notFound().build();
  -        }
  -    }
  +	public ServerResponse listPeople(ServerRequest request) { // <1>
  +		List<Person> people = repository.allPeople();
  +		return ok().contentType(APPLICATION_JSON).body(people);
  +	}
  +
  +	public ServerResponse createPerson(ServerRequest request) throws Exception { // <2>
  +		Person person = request.body(Person.class);
  +		repository.savePerson(person);
  +		return ok().build();
  +	}
  +
  +	public ServerResponse getPerson(ServerRequest request) { // <3>
  +		int personId = Integer.parseInt(request.pathVariable("id"));
  +		Person person = repository.getPerson(personId);
  +		if (person != null) {
  +			return ok().contentType(APPLICATION_JSON).body(person))
  +		}
  +		else {
  +			return ServerResponse.notFound().build();
  +		}
  +	}
   
   }
   ----
  
positive.code: 		}
  
  		private fun validate(person: Person) {
  			val errors: Errors = BeanPropertyBindingResult(person, "person");
  			validator.validate(person, errors);
  			if (errors.hasErrors()) {
  				throw ServerWebInputException(errors.toString()) // <3>
  			}
  
negative.code: [source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
  .Kotlin
  ----
  	import org.springframework.web.servlet.function.router
  
  	val route = router {
  		"/person".nest {
  			GET("/{id}", handler::getPerson)
  