[Libreoffice-bugs] [Bug 116344] New: Writer, CTL/RIGHT-TO-LEFT: Awkward Justification with Syriac Fonts

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=116344

            Bug ID: 116344
           Summary: Writer, CTL/RIGHT-TO-LEFT: Awkward Justification with
                    Syriac Fonts
           Product: LibreOffice
           Version: 6.0.2.1 release
          Hardware: All
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: quintus.veranius at yahoo.com

Description:
Writer inserts awkward black lines when stretching whitespace for justified
right-to-left-text in Classical Syriac. Happens in 5.4 and 6.02.

Steps to Reproduce:
1. If you are not familiar with Classical Syriac, install Google’s noto-fonts
(e.g. sudo apt-get install fonts-noto). Of course, any other Syriac font will
do.
2. Enable Complex Text Layout (Tools > Options > Language Settings > Complex
Text Layout; Language: "None", there is no option for Ancient Syriac)
3. Create paragraph style (e.g. "Syriac_Justified") with options: "Justify +
Text direction right-to-left (horizontal) + Last Line justified.
Select "Noto Sans Syriac Estrangela" as CTL-font.
4. Add some Syriac Text and mark it as "Syriac_Justified".

Actual Results:  
Stretched whitespace with black lines.

Expected Results:
Stretched whitespace should be white.


Reproducible: Always


User Profile Reset: Yes



Additional Info:
Version: 6.0.2.1
Build ID: 1:6.0.2~rc1-0ubuntu0.17.10.1~lo1
CPU threads: 4; OS: Linux 4.13; UI render: default; VCL: gtk3; 
Locale: de-DE (de_DE.UTF-8); Calc: group


User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:58.0) Gecko/20100101
Firefox/58.0

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