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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 - FILESAVE XLSX Excel detects invalid contents in autofilter of particular document"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=140098">140098</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>FILESAVE XLSX Excel detects invalid contents in autofilter of particular document
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>Inherited From OOo
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

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

        <tr>
          <th>Keywords</th>
          <td>filter:xlsx
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </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>libreoffice@nisz.hu
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>nemeth@numbertext.org, varga.balazs3@nisz.hu
          </td>
        </tr>

        <tr>
          <th>Blocks</th>
          <td>104839, 123807
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=169398" name="attach_169398" title="attachment 169386 saved as XLSX">attachment 169398</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=169398&action=edit" title="attachment 169386 saved as XLSX">[details]</a></span>
<span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=169386" name="attach_169386" title="Example file to demonstrate the problem">attachment 169386</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=169386&action=edit" title="Example file to demonstrate the problem">[details]</a></span> saved as XLSX

Upon saving <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=169386" name="attach_169386" title="Example file to demonstrate the problem">attachment 169386</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=169386&action=edit" title="Example file to demonstrate the problem">[details]</a></span> from <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Autofilter can't be easily/obviously re-run against additional data"
   href="show_bug.cgi?id=133492">bug #133492</a> to XLSX format and opening it in
Excel, it detects invalid contents in the autofilter.

Steps to reproduce:
    1. Open <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=169386" name="attach_169386" title="Example file to demonstrate the problem">attachment 169386</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=169386&action=edit" title="Example file to demonstrate the problem">[details]</a></span>
    2. Save as XLSX
    3. Open it in Excel

Actual results:
Excel says it found invalid contents in the autofilter, should it try to fix
it.

Expected results:
No such error.

LibreOffice details:
Version: 7.2.0.0.alpha0+ (x64) / LibreOffice Community
Build ID: 318d384c596c1593667d6c936f55bf6ebd0c5db6
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win
Locale: en-US (hu_HU); UI: en-GB
Calc: CL

Also happens in older versions: 7.0, 6.0, 5.0, 4.0 -> likely not a regression</pre>
        </div>
      </p>

        <div id="referenced">
          <hr style="border: 1px dashed #969696">
          <b>Referenced Bugs:</b>
          <ul>
              <li>
                [<a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [META] Saved XLSX files that MS Excel can't open"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=104839">Bug 104839</a>] [META] Saved XLSX files that MS Excel can't open
              </li>
              <li>
                [<a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [META] XLSX Autofilter-related bugs"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=123807">Bug 123807</a>] [META] XLSX Autofilter-related bugs
              </li>
          </ul>
        </div>
        <br>

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          <li>You are the assignee for the bug.</li>
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