diff --git a/codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/core/model/ICheckersRegistry.java b/codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/core/model/ICheckersRegistry.java
index 675f5447ced..110e2342cb8 100644
--- a/codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/core/model/ICheckersRegistry.java
+++ b/codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/core/model/ICheckersRegistry.java
@@ -1,32 +1,31 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2010 Alena Laskavaia 
+ * Copyright (c) 2009, 2010 Alena Laskavaia and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
- *    Alena Laskavaia  - initial API and implementation
+ *     Alena Laskavaia  - initial API and implementation
  *******************************************************************************/
 package org.eclipse.cdt.codan.core.model;
 
+import org.eclipse.core.resources.IResource;
+
 import java.util.Collection;
 import java.util.Iterator;
 
-import org.eclipse.core.resources.IResource;
-
 /**
  * This interface an API to add/remove checker and problems programmatically,
  * get problem profiles and change problem default settings
- * 
+ *
  * @noextend This interface is not intended to be extended by clients.
  * @noimplement This interface is not intended to be implemented by clients.
- * 
  */
 public interface ICheckersRegistry extends Iterable<IChecker> {
 	/**
 	 * Iterator for registered checkers
-	 * 
+	 *
 	 * @return iterator for registered checkers
 	 */
 	@Override
@@ -34,7 +33,7 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 
 	/**
 	 * Add a checker
-	 * 
+	 *
 	 * @param checker instance
 	 */
 	public void addChecker(IChecker checker);
@@ -42,7 +41,7 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 	/**
 	 * Add problem p into a category defined by a category id into default
 	 * profile, category must exists in default profile
-	 * 
+	 *
 	 * @param p
 	 *        - problem
 	 * @param categoryId
@@ -54,7 +53,7 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 	 * Add subcategory category into parent category with the id of
 	 * parentCategoryId, if parent does not exist in the default profile or it
 	 * is a null - it will be added to the root
-	 * 
+	 *
 	 * @param category
 	 *        - new category
 	 * @param parentCategoryId
@@ -66,7 +65,7 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 	 * Add problem reference to a checker, i.e. claim that checker can produce
 	 * this problem. If checker does not claim any problems it cannot be
 	 * enabled.
-	 * 
+	 *
 	 * @param c
 	 *        - checker
 	 * @param p
@@ -76,7 +75,7 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 
 	/**
 	 * Return collection of problem that this checker can produce
-	 * 
+	 *
 	 * @param checker
 	 * @return collection of problems
 	 */
@@ -85,14 +84,14 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 	/**
 	 * Default profile is kind of "Installation Default".
 	 * Always the same, comes from defaults in checker extensions or APIs added
-	 * 
+	 *
 	 * @return default profile
 	 */
 	public IProblemProfile getDefaultProfile();
 
 	/**
 	 * Get workspace profile. User can change setting for workspace profile.
-	 * 
+	 *
 	 * @return workspace profile
 	 */
 	public IProblemProfile getWorkspaceProfile();
@@ -100,7 +99,7 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 	/**
 	 * Get resource profile. For example given project can have different
 	 * profile than a workspace.
-	 * 
+	 *
 	 * @param element
 	 *        - resource
 	 * @return resource profile
@@ -114,16 +113,16 @@ public interface ICheckersRegistry extends Iterable<IChecker> {
 	 * getResourceProfile. You have to save your changes after updating a
 	 * working copy, using {@link #updateProfile(IResource, IProblemProfile)}
 	 * method.
-	 * 
-	 * @noreference This method is not intended to be referenced by clients.
+	 *
 	 * @param element
 	 * @return resource profile
+	 * @since 2.1
 	 */
 	public IProblemProfile getResourceProfileWorkingCopy(IResource element);
 
 	/**
 	 * Set profile for resource.
-	 * 
+	 *
 	 * @noreference This method is not intended to be referenced by clients.
 	 * @param resource
 	 *        - resource