@Override
	public FieldFactory newInstance(FieldFormatModel formatModel, ListingHighlightProvider provider,
			ToolOptions toolOptions, ToolOptions fieldOptions) {
		return new FunctionTagFieldFactory(formatModel, provider, toolOptions, fieldOptions);
	}
Overridden to ensure that we only place function tag text on the header of a 
function.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/FunctionTagFieldFactory.java