[Libreoffice-bugs] [Bug 133379] New: TEXTJOIN delimiters not synchronized if ignore_empty

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=133379

            Bug ID: 133379
           Summary: TEXTJOIN delimiters not synchronized if ignore_empty
           Product: LibreOffice
           Version: 6.4.3.2 release
          Hardware: All
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: joshua_coppersmith at hotmail.com

Description:
When using TEXTJOIN with a constant array for the delimiters and ignore_empty
is set true the delimiter picked from the constant array is not advanced when
an empty cell/field is encountered which desynchronizes the multiple delimiters
from their obviously intended purpose to represent data hierarchy (to
distinguish fields and fields from records).

Steps to Reproduce:
Enter TEXTJOIN like =TEXTJOIN({",",",",";"},1,F9:H11) either as part of a
CSE/array formula or just a normal cell formula.

Actual Results:
With range fully populate behaviour is as expected, like

1       a       A
2       b       B
3       c       C

TextJoin:       1,a,A;2,b,B;3,c,C       

With any empty cell, the delimiters blindly repeat in cycle and become
meaningless, like:

1               A
2       b       B
3       c       C

TextJoin:       1,A,2;b,B,3;c,C 

Expected Results:
The expected result would be:

1               A
2       b       B
3       c       C

TextJoin:       1,A;2,b,B;3,c,C 


Reproducible: Always


User Profile Reset: No



Additional Info:
I do not have access to MS Excel 2019, but
https://support.office.com/en-us/article/TEXTJOIN-function implies that
TEXTJOIN is meant to be able to distinguish data fields from data records, etc.

Version: 6.4.3.2
Build ID: 747b5d0ebf89f41c860ec2a39efd7cb15b54f2d8
CPU threads: 8; OS: Linux 5.3; UI render: default; VCL: gtk3; 
Locale: en-US (en_US.UTF-8); UI-Language: en-US
Calc: threaded

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