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  <title>Undescore Prefix is Ignored Test</title>
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<p>Ensure that the "_" prefix is ignored.</p>
<p xmlns:_="http://example.org/"
   prefix="_: http://example.org/" 
   xmlns:earl="http://www.w3.org/ns/earl#" 
   rel="earl:testcase" resource="_:test">Test</p>
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