NS_NOTYETIMPLEMENTED("write me!"); return NS_ERROR_NOT_IMPLEMENTED;
NS_PRECONDITION(aAttributes != nsnull, "null ptr"); if (! aAttributes) return NS_ERROR_NULL_POINTER;  *aAttributes = nsnull; return NS_OK;
XULDocumentImpl::GetAttributes(nsIDOMNamedNodeMap** aAttributes){    NS_NOTYETIMPLEMENTED("write me!");    return NS_ERROR_NOT_IMPLEMENTED;}