Namespace of the same prefix is dropped from HTML report

[AirQuick]

<x:description stylesheet="do-nothing.xsl" xmlns:x="http://www.jenitennison.com/xslt/xspec">
	<x:scenario label="Testing namespace differences">
		<x:call function="exactly-one">
			<x:param>
				<e1 xmlns="ns1">
					<e2 xmlns="ns2" xmlns:ns3="ns3">
						<ns3:e3 />
					</e2>
				</e1>
			</x:param>
		</x:call>
		<x:expect label="expecting the same structure but in different namespaces">
			<e1 xmlns="ns1">
				<e2 xmlns="ns2!" xmlns:ns3="ns3">
					<ns3:e3 xmlns:ns3="ns3!" />
				</e2>
			</e1>
		</x:expect>
	</x:scenario>
</x:description>

You'll find these snippets in the HTML report

Result

<e1 xmlns="ns1">
   <e2 xmlns:ns3="ns3">
      <ns3:e3 />
   </e2>
</e1>

Expected Result

<e1 xmlns="ns1">
   <e2 xmlns:ns3="ns3">
      <ns3:e3 />
   </e2>
</e1>

and you can't see the difference.