code: private boolean shouldChangeTitle(Map<String, CmsProperty> properties) {
  
          return (properties == null)
              || (properties.get(CmsPropertyDefinition.PROPERTY_TITLE) == null)
              || (properties.get(CmsPropertyDefinition.PROPERTY_TITLE).getValue() == null)
              || ((properties.get(CmsPropertyDefinition.PROPERTY_NAVTEXT) != null)
                  && properties.get(CmsPropertyDefinition.PROPERTY_TITLE).getValue().equals(
                      properties.get(CmsPropertyDefinition.PROPERTY_NAVTEXT).getValue()));
      }
docs: Determines if the title property should be changed in case of a 'NavText' change.<p>
  
  @param properties the current resource properties
  
  @return <code>true</code> if the title property should be changed in case of a 'NavText' change