[Libreoffice-bugs] [Bug 137624] New: EDITING Autofill of merged cells with mixed content incorrect, series detection does not work

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=137624

            Bug ID: 137624
           Summary: EDITING Autofill of merged cells with mixed content
                    incorrect, series detection does not work
           Product: LibreOffice
           Version: 7.1.0.0.alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: libreoffice at nisz.hu
                CC: nemeth at numbertext.org, szucs.attila3 at nisz.hu
            Blocks: 113499

Created attachment 166546
  --> https://bugs.documentfoundation.org/attachment.cgi?id=166546&action=edit
Example file from Calc

When autofilling adjacent merged cells containing mixed strings of letters and
numbers in Calc, the results are incorrect compared to non-merged cell results.


Steps to reproduce:
    1. Open attached file
    2. In A2:B2 there are letter-number strings with a difference of 3 between
the number values. A3:B3 is similar but the difference is -2.
    3. In A7:D8 the same letter-number strings are placed in merged cells.
    4. In C2:F2 the A2:B2 range is autofilled, causing the numbers to grow with
a difference of 3
    5. In C3:F3 the A3:B3 range is autofilled, causing the numbers to reduce by
2.
    6. In the E7:L7 range the A7:D7 range is autofilled, the merging now
happens correctly, but the numbers in the contents don’t grow as a series by 3,
instead by 1: a1 – a2 – a3 and a4 – a5 – a6
    7. Similarly in the E8:L8 range the A8:D8 range is autofilled but series
detection does not work correctly: the numbers grow separately as two series:
B12 – B13 – B14 and B10 – B11 – B12.

Actual results:
As above.

Expected results:
Series detection should work in merged cells, giving the same results as with
non-merged cells. Cell range E11:L12 illustrates this. 


LibreOffice details:
Version: 7.1.0.0.alpha0+ (x64)
Build ID: 586f6abee92af3cdabdce034b607b9a046ed3946
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: default; VCL: win
Locale: hu-HU (hu_HU); UI: hu-HU
Calc: CL


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=113499
[Bug 113499] [META] AutoFill bugs and enhancements
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