 the marshaller will not attempt to alter empty values, as the
					marshaller would not be able to disambiguate any sigil value used from a field
				that was meant to legitimately contain that value.</p>
				<p>The marshaller offers two opt-in options for handling empty values, both of
				which are controlled using the <code>onEmpty</code> configuration option.</p>
				<p>Settting <code>onEmpty</code> to <code>&#39;nullify&#39;</code> will direct the marshaller to convert empty
					values to null attrib