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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - EDITING: Erroneous error message when renaming a sheet to blank"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=112236">112236</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>EDITING: Erroneous error message when renaming a sheet to blank
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>5.4.1.2 release
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>minor
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Calc
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>emo_assenov@yahoo.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=136035" name="attach_136035" title="screenshot of the error message">attachment 136035</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=136035&action=edit" title="screenshot of the error message">[details]</a></span>
screenshot of the error message

Open a new spreadsheet
Double clik in the sheet tab so as to edit its name
Delete the default Sheet1
Press OK

Issue: The error message does not include the case of Blank name. It only
mentions no duplicate and not containing any of a set of symbols.
<a href="https://www.screencast.com/t/exbaRILz8wD">https://www.screencast.com/t/exbaRILz8wD</a></pre>
        </div>
      </p>


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