Fix Javadoc errors

spring-beans/src/main/java/org/springframework/beans/factory/config/PlaceholderConfigurerSupport.java

@@ -100,7 +100,7 @@ public abstract class PlaceholderConfigurerSupport extends PropertyResourceConfi
 	/** Default value separator: {@value}. */
 	public static final String DEFAULT_VALUE_SEPARATOR = ":";
 
-	/** Default escape character: {@value}. */
+	/** Default escape character: {@code '\'}. */
 	public static final Character DEFAULT_ESCAPE_CHARACTER = '\\';
 
 	/** Defaults to {@value #DEFAULT_PLACEHOLDER_PREFIX}. */
@@ -113,7 +113,7 @@ public abstract class PlaceholderConfigurerSupport extends PropertyResourceConfi
 	@Nullable
 	protected String valueSeparator = DEFAULT_VALUE_SEPARATOR;
 
-	/** Defaults to {@value #DEFAULT_ESCAPE_CHARACTER}. */
+	/** Defaults to {@link #DEFAULT_ESCAPE_CHARACTER}. */
 	@Nullable
 	protected Character escapeCharacter = DEFAULT_ESCAPE_CHARACTER;
 
@@ -161,7 +161,7 @@ public abstract class PlaceholderConfigurerSupport extends PropertyResourceConfi
 	 * Specify the escape character to use to ignore placeholder prefix
 	 * or value separator, or {@code null} if no escaping should take
 	 * place.
-	 * <p>Default is {@value #DEFAULT_ESCAPE_CHARACTER}.
+	 * <p>Default is {@link #DEFAULT_ESCAPE_CHARACTER}.
 	 * @since 6.2
 	 */
 	public void setEscapeCharacter(@Nullable Character escsEscapeCharacter) {

spring-core/src/main/java/org/springframework/util/SystemPropertyUtils.java

@@ -44,7 +44,7 @@ public abstract class SystemPropertyUtils {
 	/** Value separator for system property placeholders: {@value}. */
 	public static final String VALUE_SEPARATOR = ":";
 
-	/** Default escape character: {@value}. */
+	/** Default escape character: {@code '\'}. */
 	public static final Character ESCAPE_CHARACTER = '\\';
 
 

spring-webmvc/src/main/java/org/springframework/web/servlet/view/document/AbstractPdfView.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -138,7 +138,7 @@ public abstract class AbstractPdfView extends AbstractView {
 	 * The subclass can either have fixed preferences or retrieve
 	 * them from bean properties defined on the View.
 	 * @return an int containing the bits information against PdfWriter definitions
-	 * @see com.lowagie.text.pdf.PdfWriter#AllowPrinting
+	 * @see com.lowagie.text.pdf.PdfWriter#ALLOW_PRINTING
 	 * @see com.lowagie.text.pdf.PdfWriter#PageLayoutSinglePage
 	 */
 	protected int getViewerPreferences() {