Test http://www.w3.org/2001/DOM-Test-Suite/level1/core/hc_elementnormalize

<test name='hc_elementnormalize' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-1 dom1.xsd'>
     <metadata>
          <title>hc_elementnormalize</title>
          <creator>Curt Arnold</creator>
          <description> Append a couple of text nodes to the first sup element, normalize the document element and check that the element has been normalized. </description>
          <date qualifier='created'>2002-06-09</date>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#ID-162CF083'/>
          <subject resource='http://www.w3.org/Bugs/Public/show_bug.cgi?id=546'/>
</metadata>
     <var name='doc' type='Document'/>
     <var name='root' type='Element'/>
     <var name='elementList' type='NodeList'/>
     <var name='testName' type='Element'/>
     <var name='firstChild' type='Node'/>
     <var name='childValue' type='DOMString'/>
     <var name='textNode' type='Text'/>
     <var name='retNode' type='Node'/>
     <load var='doc' href='hc_staff' willBeModified='true'/>
     <getElementsByTagName interface='Document' obj='doc' tagname='"sup"' var='elementList'/>
     <item interface='NodeList' obj='elementList' index='0' var='testName'/>
     <createTextNode var='textNode' obj='doc' data='""'/>
     <appendChild var='retNode' obj='testName' newChild='textNode'/>
     <createTextNode var='textNode' obj='doc' data='",000"'/>
     <appendChild var='retNode' obj='testName' newChild='textNode'/>
     <documentElement obj='doc' var='root'/>
     <normalize obj='root'/>
     <getElementsByTagName interface='Document' obj='doc' tagname='"sup"' var='elementList'/>
     <item interface='NodeList' obj='elementList' index='0' var='testName'/>
     <firstChild interface='Node' obj='testName' var='firstChild'/>
     <nodeValue obj='firstChild' var='childValue'/>
     <assertEquals actual='childValue' expected='"56,000,000"' id='elementNormalizeAssert' ignoreCase='false'/>
</test>

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