Created attachment 128670 [details]
Justified lines of text with mixed LTR and RTL text shows gaps (instead of Kashida) inside Arabic words.
Created attachment 128671 [details]
Khaled Hosny committed a patch related to this issue.
It has been pushed to "master":
tdf#103871: Set Kashida flag per glyph
It will be available in 5.3.0.
The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
Affected users are encouraged to test the fix and report feedback.
*** Bug 105079 has been marked as a duplicate of this bug. ***