<book xmlns:its="http://www.w3.org/2005/11/its" its:version="2.0"> 
<its:rules xmlns:its="http://www.w3.org/2005/11/its" xmlns:xlink="http://www.w3.org/1999/xlink" version="2.0" xlink:type="simple" xlink:href="preservespace6xmlrules.xml"/>
 <verse id="firstverse"> 
 '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> 
