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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 DOCX drawing lockedCanvas is destroyed on save"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=143556">143556</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>FILESAVE DOCX drawing lockedCanvas is destroyed on save
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>6.1.5.2 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>rb.henschel@t-online.de
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="https://bugs.documentfoundation.org/attachment.cgi?id=173868" name="attach_173868" title="drawing in lockedCanvas">attachment 173868</a> <a href="https://bugs.documentfoundation.org/attachment.cgi?id=173868&action=edit" title="drawing in lockedCanvas">[details]</a></span>
drawing in lockedCanvas

Open a docx file which has a drawing in a lockedCanvas. Save the file to docx
and open it in Word.
Notice, that the drawing it gone. You will in addition notice a significant
decrease in file size.

You can find some files in bug reports here, for example
<span class=""><a href="https://bugs.documentfoundation.org/attachment.cgi?id=54251" name="attach_54251" title="docx file">attachment 54251</a> <a href="https://bugs.documentfoundation.org/attachment.cgi?id=54251&action=edit" title="docx file">[details]</a></span> in <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Image in .docx file not shown"
   href="show_bug.cgi?id=43641">bug 43641</a>
<span class=""><a href="https://bugs.documentfoundation.org/attachment.cgi?id=129385" name="attach_129385" title="doc">attachment 129385</a> <a href="https://bugs.documentfoundation.org/attachment.cgi?id=129385&action=edit" title="doc">[details]</a></span> in <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - FILEOPEN: DOCX: shadow for text in shape not applied (WPS)"
   href="show_bug.cgi?id=104486">bug 104486</a>
or from unit tests
strict-lockedcanvas.docx from /core/sw/qa/extras/ooxmlimport/data/
fdo78658.docx from /core/sw/qa/extras/ooxmlexport/data/

Do not confuse lockedCanvas (file <lc:lockedCanvas> in DML) with Drawing Canvas
(file <wpc:wpc> in DML or editas="canvas" in VML). 
I don't know, how files with lockedCanvas can be produced from scratch with
current MS Office. I have attached a reduced version from <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - FILEOPEN: DOCX: shadow for text in shape not applied (WPS)"
   href="show_bug.cgi?id=104486">bug 104486</a>.

It seems to be no regression but a missing feature. I cannot find any version
where it works.</pre>
        </div>
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