title: read xml file using lxml get error EntityRef
body: <p>i use lxml to read a xml file which has structure like bellow
  </p>
  
  <pre><code>    &lt;domain&gt;http://www.trademe.co.nz&lt;/domain&gt;         
      &lt;start&gt;http://www.trademe.co.nz/Browse/CategoryAttributeSearchResults.aspx?search=1&amp;cid=5748&amp;sidebar=1&amp;rptpath=350-5748-4233-&amp;132=FLAT&amp;134=&amp;153=&amp;29=&amp;122=0&amp;122=0&amp;59=0&amp;59=0&amp;178=0&amp;178=0&amp;sidebarSearch_keypresses=0&amp;sidebarSearch_suggested=0&lt;/start&gt;
  </code></pre>
  
  <p></p>
  
  <p>and my python code is:</p>
  
  <pre><code>from lxml import etree
  
  tree = etree.parse('metaWeb.xml') 
  </code></pre>
  
  <p>when i run it i get 
  <code>entityref: expecting ';'</code> error</p>
  
  <p>however, when i remove &amp; symbol in xml file, everything is fine. </p>
  
  <p>how can i solve that error?</p>