for (int i = 0; i < childList.length; ++i) { childList[i].label(label);
for (PatternElement aChildList : childList) { aChildList.label(label);
	public PatternElement label(String label) {		for (int i = 0; i < childList.length; ++i) {			childList[i].label(label);		}		return this;	}