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
* @see org.eclipse.swt.events.MouseMoveListener#mouseMove(org.eclipse.swt.events.MouseEvent)
		 */
		public void mouseMove(MouseEvent event) {
			
			if (event.widget instanceof Control && !((Control) event.widget).isFocusControl()) {
				deactivate();
				return;
			}
			
			if (!fActive) {
				if (event.stateMask != fKeyModifierMask)
					return;
				
				fActive= true;
			}
	
			ISourceViewer viewer= getSourceViewer();
			if (viewer == null) {
				deactivate();
				return;
			}
				
			StyledText text= viewer.getTextWidget();
			if (text == null || text.isDisposed()) {
				deactivate();
				return;
			}
				
			if ((event.stateMask & SWT.BUTTON1) != 0 && text.getSelectionCount() != 0) {
				deactivate();