https://bugs.documentfoundation.org/show_bug.cgi?id=157562
Bug ID: 157562
Summary: Arabic text with No-Width optional break (U+200B) does
not apply OpenType font feature properly
Product: LibreOffice
Version: 7.6.2.1 release
Hardware: All
OS: Windows (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Description:
I am working on Arabic text that uses U+200B (No-Width optional break) for
horizontally aligning marks. I am using Calibri font. The text works fine on
Google Chrome but in Libre Writer it does not place the mark at proper
position, which is typed after U+200B.
Steps to Reproduce:
1. Open LibreWriter
2. Type: Meem (U0645) + Fatha (U064E)
3. Go to Insert menu then Formatting Mark -> No-width Optional Break
4. Type: Superscript Alef (U0670) + Noon (U0646)
Actual Results:
Superscript Alef is placed at the baseline.
Expected Results:
Superscript Alef should come next to Fatha.
Reproducible: Always
User Profile Reset: No
Additional Info:
Calibri font has a feature to place the marks horizontally if U+200B is in
between them. This behavior can be seen in Google Chrome and Notepad (Windows
application), but it is not shown properly in LibreWriter.
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