private String generateXMLString() {
		return "<" + GhidraTOCFile.TOC_ITEM_REFERENCE + " id=\"" + getIDAttribute() + "\"/>";
	}
Overridden, as if we get called, then something is in an invalid state, so generate special output
Ghidra/Framework/Help/src/main/java/help/validator/model/TOCItemReference.java