code: public boolean isFloating(ICalProperty property) {
  		if (containsIdentity(floatingProperties, property)) {
  			return true;
  		}
  
  		if (propertyTimezones.containsKey(property)) {
  			return false;
  		}
  
  		return globalFloatingTime;
  	}
docs: Determines if a property value should be formatted in floating time when
  written to an output stream.
  @param property the property
  @return true to format in floating time, false not to