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
if (PreferenceConstants.EDITOR_MARK_METHOD_EXIT_POINTS.equals(property)) {
				if (event.getNewValue() instanceof Boolean)
					fMarkMethodExitPoints= ((Boolean)event.getNewValue()).booleanValue();
				return;
			}
			if (PreferenceConstants.EDITOR_MARK_IMPLEMENTORS.equals(property)) {
				if (event.getNewValue() instanceof Boolean)
					fMarkImplementors= ((Boolean)event.getNewValue()).booleanValue();
				return;
			}
			if (PreferenceConstants.EDITOR_STICKY_OCCURRENCES.equals(property)) {
				if (event.getNewValue() instanceof Boolean)
					fStickyOccurrenceAnnotations= ((Boolean)event.getNewValue()).booleanValue();
				return;
			}
			if (PreferenceConstants.EDITOR_SEMANTIC_HIGHLIGHTING_ENABLED.equals(property)) {
				if (isSemanticHighlightingEnabled())
					installSemanticHighlighting();
				else
					uninstallSemanticHighlighting();
				return;
			}
			
			if (JavaCore.COMPILER_SOURCE.equals(property)) {
				if (event.getNewValue() instanceof String)
					fBracketMatcher.setVersion((String) event.getNewValue());
				
			}
			
			((JavaSourceViewerConfiguration)getSourceViewerConfiguration()).handlePropertyChangeEvent(event);