Fix wrong closing HTML tags in javadoc comments

plugins/json/src/main/java/org/apache/struts2/json/JSONResult.java

@@ -45,18 +45,23 @@ import com.opensymphony.xwork2.util.ValueStack;
 import com.opensymphony.xwork2.util.WildcardUtil;
 
 /**
- * <!-- START SNIPPET: description --> <p/> This result serializes an action
- * into JSON. <p/> <!-- END SNIPPET: description --> <p/> <p/> <u>Result
- * parameters:</u> <p/> <!-- START SNIPPET: parameters --> <p/>
+ * <!-- START SNIPPET: description -->
+ * <p>
+ * This result serializes an action into JSON.
+ * </p>
+ * <!-- END SNIPPET: description -->
+ * <p><u>Result parameters:</u></p>
+ * <!-- START SNIPPET: parameters -->
  * <ul>
- * <p/>
+ *
  * <li>excludeProperties - list of regular expressions matching the properties
  * to be excluded. The regular expressions are evaluated against the OGNL
  * expression representation of the properties. </li>
- * <p/>
+ *
  * </ul>
- * <p/> <!-- END SNIPPET: parameters --> <p/> <b>Example:</b> <p/>
- * <p/>
+ * <!-- END SNIPPET: parameters -->
+ * <p><b>Example:</b></p>
+ *
  * <pre>
  * &lt;!-- START SNIPPET: example --&gt;
  * &lt;result name=&quot;success&quot; type=&quot;json&quot; /&gt;
@@ -236,7 +241,7 @@ public class JSONResult implements Result {
     }
 
     /**
-     * Retrieve the encoding <p/>
+     * Retrieve the encoding
      *
      * @return The encoding associated with this template (defaults to the value
      *         of param 'encoding', if empty default to 'struts.i18n.encoding' property)

plugins/json/src/main/java/org/apache/struts2/json/JSONUtil.java

@@ -420,10 +420,10 @@ public class JSONUtil {
 
     /**
      * Visit all the interfaces realized by the specified object, its
-     * superclasses and its interfaces <p/> Visitation is performed in the
+     * superclasses and its interfaces <br> Visitation is performed in the
      * following order: aClass aClass' interfaces the interface's superclasses
      * (interfaces) aClass' superclass superclass' interfaces superclass'
-     * interface's superclasses (interfaces) super-superclass and so on <p/> The
+     * interface's superclasses (interfaces) super-superclass and so on <br> The
      * Object base class is base excluded. Classes/interfaces are only visited
      * once each
      *
@@ -443,7 +443,7 @@ public class JSONUtil {
     /**
      * Recursive method to visit all the interfaces of a class (and its
      * superclasses and super-interfaces) if they haven't already been visited.
-     * <p/> Always visits itself if it hasn't already been visited
+     * <br> Always visits itself if it hasn't already been visited
      *
      * @param thisClass
      *            the current class to visit (if not already done so)

plugins/json/src/test/java/org/apache/struts2/json/JSONEnumTest.java

@@ -71,7 +71,7 @@ public class JSONEnumTest extends TestCase {
     }
 
     /**
-     * Asserts that a bean can be serialized to JSON and restored as a map <p/>
+     * Asserts that a bean can be serialized to JSON and restored as a map <br>
      * In this case, the name of the enum is in _name and the two properties of
      * AnEnumBean are also serialized
      */