Bug 30169 no hover message for bookmarks in overview ruler
20030121 hovering over bookmarks in the overview ruler should show the bookmark name it does not
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaMarkerAnnotation.java
/**
	 * Initializes the annotation's icon representation and its drawing layer
	 * based upon the properties of the underlying marker.
	 */
	protected void initialize() {
		
		IMarker marker= getMarker();
		
		if (MarkerUtilities.isMarkerType(marker, IBreakpoint.BREAKPOINT_MARKER)) {
			
			if (fPresentation == null) 
				fPresentation= DebugUITools.newDebugModelPresentation();
				
			setLayer(4);
			setImage(fPresentation.getImage(marker));					
			
			fType= AnnotationType.UNKNOWN;
			
		} else {
			
			fType= AnnotationType.UNKNOWN;
			try {
				
				if (marker.isSubtypeOf(IMarker.PROBLEM)) {
					int severity= marker.getAttribute(IMarker.SEVERITY, -1);
					switch (severity) {
						case IMarker.SEVERITY_ERROR:
							fType= AnnotationType.ERROR;
							break;