[dotNetRDF-Develop] Issue CORE-386 has a new comment

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<p>A new comment has been added to the following issue.</p>
<table border="0">
  <tr>
    <td width="90px" valign="top"><b>Title:</b></td>
    <td>Unexpected SPARQL results with the &quot;OPTIONAL { ... FILTER (sameTerm) } FILTER (!bound)&quot; query pattern</td>
  </tr>
  <tr>
    <td><b>Project:</b></td>
    <td>Core Library (dotNetRDF.dll)</td>
  </tr>
  <tr>
    <td><b>Created By:</b></td>
    <td>Rob Vesse</td>
  </tr>
  <tr>
    <td><b>Date:</b></td>
    <td>2013-11-27 04:16 PM</td>
  </tr>
  <tr>
    <td><b>Comment:</b></td>
  </tr>
  <tr>
    <td colspan="2"><p>
	I can now confirm that this is indeed a bug in dotNetRDF&#39;s implementation of OPTIONAL but it only affects cases where there is a cross product. &nbsp;As I suggested before the fix is pretty trivial and once I&#39;ve run regression tests to make sure this doesn&#39;t break any other tests which are inadvertently relying on the incorrect behaviour I&#39;ll push up the fix for this.</p></td>
  </tr>
</table>
<p>
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