Test http://www.w3.org/2001/DOM-Test-Suite/level3/core/nodecomparedocumentposition21

<test name='nodecomparedocumentposition21' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-3 dom3.xsd'>
     <metadata>
          <title>nodecomparedocumentposition21</title>
          <creator>IBM</creator>
          <description> Using compareDocumentPosition check the document position of the text node of the fist and second elements whose localName is name. The first text node should return FOLLOWING and the second text node should return PRECEDING when compareDocumentPosition is invoked with the other node as a parameter. </description>
          <contributor>Jenny Hsu</contributor>
          <date qualifier='created'>2003-02-20</date>
          <subject resource='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core#Node3-compareDocumentPosition'/>
</metadata>
     <implementationAttribute name='coalescing' value='false'/>
     <var name='doc' type='Document'/>
     <var name='elemList' type='NodeList'/>
     <var name='elemName1' type='Element'/>
     <var name='elemName2' type='Element'/>
     <var name='txt1' type='Text'/>
     <var name='txt2' type='Text'/>
     <var name='txt1Position' type='int'/>
     <var name='txt2Position' type='int'/>
     <load var='doc' href='hc_staff' willBeModified='false'/>
     <getElementsByTagName var='elemList' obj='doc' tagname='"strong"' interface='Document'/>
     <item var='elemName1' obj='elemList' index='0' interface='NodeList'/>
     <item var='elemName2' obj='elemList' index='1' interface='NodeList'/>
     <firstChild var='txt1' obj='elemName1' interface='Node'/>
     <firstChild var='txt2' obj='elemName2' interface='Node'/>
     <compareDocumentPosition var='txt1Position' obj='txt1' other='txt2'/>
     <assertEquals actual='txt1Position' expected='4' id='nodecomparedocumentpositionFollowing21' ignoreCase='false'/>
     <compareDocumentPosition var='txt2Position' obj='txt2' other='txt1'/>
     <assertEquals actual='txt2Position' expected='2' id='nodecomparedocumentpositionPRECEDING21' ignoreCase='false'/>
</test>

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