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 final static String BROWSER_LIKE_LINKS_KEY_MODIFIER= PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER;
	/**
	 * Preference key for key modifier mask of browser like links.
	 * The value is only used if the value of <code>EDITOR_BROWSER_LIKE_LINKS</code>
	 * cannot be resolved to valid SWT modifier bits.
	 * 
	 * @since 2.1.1
	 */
	private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK= PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK;
	
	protected final static char[] BRACKETS= { '{', '}', '(', ')', '[', ']', '<', '>' };
	
	protected JavaOutlinePage fOutlinePage;
	
	protected String fOutlinerContextMenuId;
	/**
	 * The editor selection changed listener.
	 * 
	 * @since 3.0
	 */
	private EditorSelectionChangedListener fEditorSelectionChangedListener;
	
	protected AbstractSelectionChangedListener fOutlineSelectionChangedListener= new OutlineSelectionChangedListener();
	
	protected JavaPairMatcher fBracketMatcher= new JavaPairMatcher(BRACKETS);
	
	private DefaultEncodingSupport fEncodingSupport;
	
	private MouseClickListener fMouseListener;