 <ex:text xmlns:its="http://www.w3.org/2005/11/its" xmlns:ex="http://example.com">
  <ex:head> ... 
   <its:rules version="1.0" >
    <its:rubyRule selector="//ex:p[1]//ex:rb" 
     rubyPointer="ancestor::ex:ruby" rbcPointer="parent::ex:rbc"
     rtcPointer="../following-sibling::ex:rtc"
     rbspanPointer="../following-sibling::ex:rtc/ex:rt/@rbspan"
     rtPointer="../following-sibling::ex:rtc/ex:rt"/>
    <its:rubyRule selector="//ex:p[2]//ex:rb" 
     rubyPointer="ancestor::ex:ruby" rpPointer="following-sibling::ex:rp" rtPointer="following-sibling::ex:rt"/>
   </its:rules>
  </ex:head>
  <ex:body>
   <ex:p>A ruby example: <ex:ruby>
     <ex:rbc>
      <ex:rb>10</ex:rb>
      <ex:rb>31</ex:rb>
      <ex:rb>2002</ex:rb>
     </ex:rbc>
     <ex:rtc>
      <ex:rt>Month</ex:rt>
      <ex:rt>Day</ex:rt>
      <ex:rt>Year</ex:rt>
     </ex:rtc>
     <ex:rtc>
      <ex:rt rbspan="3">Expiration Date</ex:rt>
     </ex:rtc>
    </ex:ruby></ex:p>
   <ex:p>Another ruby example:
    <ex:ruby>
     <ex:rb>WWW</ex:rb>
     <ex:rp>(</ex:rp><ex:rt>World Wide Web</ex:rt><ex:rp>)</ex:rp>
    </ex:ruby>
   </ex:p>
  </ex:body>
 </ex:text><!-- timestamp $Id: EX-ruby-pointer-1.xml,v 1.2 2007/02/02 16:55:05 srahtz3 Exp $ -->