[Libreoffice-bugs] [Bug 135400] New: [FILESAVE] Saving as xlsx (2007-365) would bring ~50 white rectangles putting at position (0, 0)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=135400

            Bug ID: 135400
           Summary: [FILESAVE] Saving as xlsx (2007-365) would bring ~50
                    white rectangles putting at position (0,0)
           Product: LibreOffice
           Version: 3.6.7.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: franklin at goodhorse.idv.tw

Description:
Reported by users.

The attached sample files is an xlsx generated by Microsoft Excel (unknown
version).  When opening it with LibreOffice it was okay.  Then save it back
with xlsx format, close and reopen it, there will be a lot of white rectangles
putting at position (0,0) with name "CustomShape1".  Those rectangles can be
dragged (moved) and deleted.

After deleting all the rectangles and save the file again it will be okay.

* Saving as xls (97-2003) will not produce the rectangles.
* Saving as ods will not produce the rectangles.
* Saving as xls/ods THEN saving as xlsx (2007-) *will* produce the rectangles.

So far only this sample file will have this behavior.


Steps to Reproduce:
1. Open the attached xlsx file
2. Save as another xlsx (2007-) file (to avoid overwriting the original one)
3. Open the saved new file
4. A lot of rectangles will appear.

Actual Results:
~50 white rectangles will appear in the position (0,0)

Expected Results:
rectangles shouldn't be there


Reproducible: Always


User Profile Reset: No



Additional Info:
The earliest version I tested was
版本 3.6.7.2 (組建 ID：e183d5b)
so it seems to be a bug inherited from OOo.

7.0 alpha1 can reproduce this behavior.
Version: 7.0.0.0.alpha1
Build ID: 6a03b2a54143a9bc0c6d4c7f1...
CPU threads: 4; OS: Linux 5.7; UI render: default; VCL: kf5; 
Locale: zh-TW (zh_TW.UTF-8); UI: en-US
Calc: threaded

Didn't test with RC1/2.

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