[dotNetRDF-Develop] Issue CORE-401 has a new comment

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<p>A new comment has been added to the following issue.</p>
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    <td width="90px" valign="top"><b>Title:</b></td>
    <td>Literal with uppercase sub language tag can not be matched properly.</td>
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  <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>2014-02-20 05:01 PM</td>
  </tr>
  <tr>
    <td><b>Comment:</b></td>
  </tr>
  <tr>
    <td colspan="2"><p>
	This has been fixed and will be included in the next release. &nbsp;The library now consistently normalizes all language tags to lower case internally. &nbsp;This means your first two queries will now behave correctly.</p>
<p>
	Note that your last example query will now fail because language tags are now all lower case internally so in your example lang(?o) would always return &quot;en-us&quot; regardless of whether the data started off as &quot;en-US&quot; or not</p></td>
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</table>
<p>
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