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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - EDITING: Writer crashes on undo after deleting a comment for files saved as docx"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=126583">126583</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>EDITING: Writer crashes on undo after deleting a comment for files saved as docx
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>6.1.6.3 release
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

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

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

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>Writer
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>liborateher@imtarget.dissimulo.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=153019" name="attach_153019" title="document exhibiting described behaviour">attachment 153019</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=153019&action=edit" title="document exhibiting described behaviour">[details]</a></span>
document exhibiting described behaviour

This bug was filed from the crash reporting server and is
<a href="https://crashreport.libreoffice.org/stats/crash_details/1e34eff0-2703-4c29-bab5-8fc496e98468">br-1e34eff0-2703-4c29-bab5-8fc496e98468</a>.
=========================================
Submitter note: 
crashreport.libreoffice.org/stats/crash_details/138d3e62-7d90-47d2-af35-1ebc5d70c600,
crashreport.libreoffice.org/stats/crash_details/91a01dd1-da54-48f6-a59b-b29b3d5cfede,
crashreport.libreoffice.org/stats/crash_details/e9e500de-0e3e-40e9-808c-6f070157f886,
and
crashreport.libreoffice.org/stats/crash_details/9ec2e301-ce77-4ef6-9251-7f77fef0aa46
are for the same issue, same file.
crashreport.libreoffice.org/stats/crash_details/3d7248e6-10ce-418b-9d1d-516ffc6c51aa
is for the new file i started from empty. I.e., pretty reproducible for me. 


One-page document, saved to disk as docx, 30 lines 15 comments, with tracking
of changes enabled, view checked for comments, and unchecked for track changes.

Steps to reproduce:
1. While editing text, delete a comment by deleting the text (or the triangular
inline comment marker). Comment disappears from view
2. Use ctrl-z to try to undo the deletion of the comment
3. Writer freezes or crashes 80-90% of time on each attempt; if it does not on
first try, repeat steps 1 and 2 (so far for me, always by third attempt) .
4. I can reopen the document, repeat the steps 1 and 2, and the behaviour
recurs 
5. I can create a new file with nonsense, add 12 comments, save as docx and the
behaviour will appear
6. Same file saved as odt did not exhibit this behaviour

Actual results: Crash or program freeze requiring forcing close
Expected results: Undo of deleted comment</pre>
        </div>
      </p>


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