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.MouseListener#mouseUp(org.eclipse.swt.events.MouseEvent)
		 */
		public void mouseUp(MouseEvent e) {
			if (!fActive) {
				fURLString= null;
				fNLSKeyStringLiteral= null;
				return;
			}
				
			if (e.button != 1) {
				deactivate();
				fURLString= null;
				return;
			}
			
			boolean wasActive= fCursor != null;
				
			deactivate();
			if (wasActive) {
				
				
				if (fNLSKeyStringLiteral != null) {
					openPropertiesFile(fNLSKeyStringLiteral);
					fNLSKeyStringLiteral= null;
					return;
				}
				
				
				if (fURLString != null) {
					String platform= SWT.getPlatform();