[Libreoffice-bugs] [Bug 117907] New: VIEWING, PDF: Justifying Syriac and Arabic text creates clutter in LibreOffice Writer

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=117907

            Bug ID: 117907
           Summary: VIEWING, PDF: Justifying Syriac and Arabic text
                    creates clutter in LibreOffice Writer
           Product: LibreOffice
           Version: 5.4.6.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: vaaydayaasra at gmail.com

Created attachment 142417
  --> https://bugs.documentfoundation.org/attachment.cgi?id=142417&action=edit
Screenshot with Syriac text

Justifying a paragraph in LibreOffice Writer with text written in the Syriac
script (Unicode block U+0700-U+074F) creates graphic clutter between every
word. See the attached screenshot where the first paragraph is justified and
the second is right-aligned. The second paragraph looks as it should, whereas
the first paragraph shows a small line added at the end of each word. If you
zoom in or out, some of the lines may disappear, but when you create a PDF,
they are all there.

The same problem occurs with nearly all the Syriac fonts I have tried,
including Serto Batnan, Estrangelo Antioch, East Syriac Ctesiphon and Serto
Urhoy (all part of the ttf-xfree86-nonfree-syriac Debian package, also
available through www.bethmardutho.org). For the last two, the clutter is not
visible on screen but shows up if you create a PDF. With East Syriac Adiabene,
the problem doesn't seem to occur. Sometimes the same problem occurs with
Arabic text, as well. See the attached screenshots, PDFs and the documents used
to create them.

Another user on Launchpad confirmed that the same problem persists in
LibreOffice 6.0.3.2.

This bug was first reported on Launchpad at
https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1772414

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