<?xml version="1.0" ?>
<main>
  <?PI first PI in document ?>
  <a> first text chunk
      <!-- first comment string  -->
      second text chunk
      <b link="ref">  
        <c> text inside c inside b </c>
      </b>
      third text chunk
  </a> 
  <a>
     fourth text chunk
     <?proc-inst "foo=boo" fee=bee ?>
     fifth text chunk
     <?PI second PI in document ?>
     <c link="feeble"> 
        sixth text chunk 
	<!-- a deeply nested comment -->
     </c>
     <b>
        <c>
	   <d>
	      <e link="foo" />
	   </d>
	</c>
     </b>
     seventh text chunk
     <b class="myElem"> eighth chunk </b>
  </a>
  <dummy>
     <fun> 
         <e> deeply nested 'e' element </e>
     </fun>
  </dummy>
</main>


