anchor.diff:  ====
   
   You can automatically apply validation after data binding by adding the
  -`javax.validation.Valid` annotation or Spring's `@Validated` annotation (ee
  +`javax.validation.Valid` annotation or Spring's `@Validated` annotation (
   <<core.adoc#validation-beanvalidation, Bean validation>> and
   <<core.adoc#validation, Spring validation>>). The following example shows how to do so:
   
  
positive.code: 	}
  
  	@PostMapping("update")
  	public String update(@Valid AccountUpdateForm form, BindingResult result,
  			@ModelAttribute(binding=false) Account account) { <1>
  		// ...
  	}
  
negative.code: However, for new applications, we recommend setting it to `true`.
  
  Note that URI template variables from the present request are automatically made
  available when expanding a redirect URL, and you don't need to explicitly add them
  through `Model` or `RedirectAttributes`. The following example shows how to define a redirect:
  
  ====
  