code: public void init(String resource, Map<String, String> properties) {
  
          init(resource, properties, -1, null);
      }
docs: Same as calling {@link #init(String, Map, int, Locale)
  init(String, Hashtable, -1, null)}.<p>
  
  @param resource the name of the resource to extract the navigation
  information from
  @param properties the properties of the resource read from the vfs