<book>
	<info>
		<its:rules xmlns:its="http://www.w3.org/2005/11/its" its:version="2.0">
			<its:preserveSpaceRule selector="//verse" space="preserve"/>
		</its:rules>
	</info>
	<verse>
’Twas brillig, and the slithy toves
 Did gyre and gimble in the wabe;
All mimsy were the borogoves,
 And the mome raths outgrabe.
  </verse>
</book>
