Polishing contribution

Closes gh-34554

framework-docs/modules/ROOT/pages/web/webflux/controller/ann-methods/return-types.adoc

@@ -34,11 +34,7 @@ Controllers can then return a `Flux<List<B>>`; Reactor provides a dedicated oper
 | `HttpHeaders`
 | For returning a response with headers and no body.
 
-| `ErrorResponse`
+| `ErrorResponse`, `ProblemDetail`
-| To render an RFC 9457 error response with details in the body,
-  see xref:web/webflux/ann-rest-exceptions.adoc[Error Responses]
-
-| `ProblemDetail`
 | To render an RFC 9457 error response with details in the body,
   see xref:web/webflux/ann-rest-exceptions.adoc[Error Responses]
 

framework-docs/modules/ROOT/pages/web/webmvc/mvc-controller/ann-exceptionhandler.adoc

@@ -177,13 +177,9 @@ the content negotiation during the error handling phase will decide which conten
   be converted through `HttpMessageConverter` instances and written to the response.
   See xref:web/webmvc/mvc-controller/ann-methods/responseentity.adoc[ResponseEntity].
 
-| `ErrorResponse`
+| `ErrorResponse`, `ProblemDetail`
 | To render an RFC 9457 error response with details in the body,
-see xref:web/webmvc/mvc-ann-rest-exceptions.adoc[Error Responses]
+  see xref:web/webmvc/mvc-ann-rest-exceptions.adoc[Error Responses]
-
-| `ProblemDetail`
-| To render an RFC 9457 error response with details in the body,
-see xref:web/webmvc/mvc-ann-rest-exceptions.adoc[Error Responses]
 
 | `String`
 | A view name to be resolved with `ViewResolver` implementations and used together with the

framework-docs/modules/ROOT/pages/web/webmvc/mvc-controller/ann-methods/return-types.adoc

@@ -22,11 +22,7 @@ supported for all return values.
 | `HttpHeaders`
 | For returning a response with headers and no body.
 
-| `ErrorResponse`
+| `ErrorResponse`, `ProblemDetail`
-| To render an RFC 9457 error response with details in the body,
-  see xref:web/webmvc/mvc-ann-rest-exceptions.adoc[Error Responses]
-
-| `ProblemDetail`
 | To render an RFC 9457 error response with details in the body,
   see xref:web/webmvc/mvc-ann-rest-exceptions.adoc[Error Responses]
 

spring-web/src/main/java/org/springframework/web/bind/annotation/ExceptionHandler.java

@@ -71,24 +71,24 @@ import org.springframework.core.annotation.AliasFor;
  *
  * <p>The following return types are supported for handler methods:
  * <ul>
- * <li>A {@code ModelAndView} object (from Servlet MVC).
+ * <li>{@code ModelAndView} object (from Servlet MVC).
- * <li>A {@link org.springframework.ui.Model} object, with the view name implicitly
+ * <li>{@link org.springframework.ui.Model} object, with the view name implicitly
  * determined through a {@link org.springframework.web.servlet.RequestToViewNameTranslator}.
- * <li>A {@link java.util.Map} object for exposing a model,
+ * <li>{@link java.util.Map} object for exposing a model,
  * with the view name implicitly determined through a
  * {@link org.springframework.web.servlet.RequestToViewNameTranslator}.
- * <li>A {@link org.springframework.web.servlet.View} object.
+ * <li>{@link org.springframework.web.servlet.View} object.
- * <li>A {@link String} value which is interpreted as view name.
+ * <li>{@link String} value which is interpreted as view name.
  * <li>{@link ResponseBody @ResponseBody} annotated methods (Servlet-only)
  * to set the response content. The return value will be converted to the
  * response stream using
  * {@linkplain org.springframework.http.converter.HttpMessageConverter message converters}.
- * <li>An {@link org.springframework.http.HttpEntity HttpEntity&lt;?&gt;} or
+ * <li>{@link org.springframework.http.HttpEntity HttpEntity&lt;?&gt;} or
  * {@link org.springframework.http.ResponseEntity ResponseEntity&lt;?&gt;} object
  * (Servlet-only) to set response headers and content. The ResponseEntity body
  * will be converted and written to the response stream using
  * {@linkplain org.springframework.http.converter.HttpMessageConverter message converters}.
- * <li>A {@link org.springframework.http.ProblemDetail} or {@link org.springframework.web.ErrorResponse}
+ * <li>{@link org.springframework.http.ProblemDetail} or {@link org.springframework.web.ErrorResponse}
  * object to render an RFC 9457 error response with details in the body.
  * <li>{@code void} if the method handles the response itself (by
  * writing the response content directly, declaring an argument of type