Bug 77598 [nls tooling] NLS hovers / Ctrl+Click not consistent for duplicate keys
20041103 With the following files, the key A.0 is duplicate. - Ctrl + Click: Junps to 'hello' - Hover over "A.0" in class A: shows 'world' public class A { String h= Messages.getString("A.0"); //$NON-NLS-1$ } messages.properties: A.0=hello A.0=world
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
*/
	private SemanticHighlightingManager fSemanticManager;
	
	
	/**
	 * Returns the most narrow java element including the given offset.
	 * 
	 * @param offset the offset inside of the requested element
	 * @return the most narrow java element
	 */
	abstract protected IJavaElement getElementAt(int offset);
	
	/**
	 * Returns the java element of this editor's input corresponding to the given IJavaElement.
	 * 
	 * @param element the java element
	 * @return the corresponding Java element
	 */
	abstract protected IJavaElement getCorrespondingElement(IJavaElement element);
	
	/**
	 * Sets the input of the editor's outline page.
	 * 
	 * @param page the Java outline page
	 * @param input the editor input
	 */
	abstract protected void setOutlinePageInput(JavaOutlinePage page, IEditorInput input);
	
	
	/**