Waqf signs do not combine after certain characters

SIL Fonts
1

The Waqf signs (U+06D6 - U+06DC) do not combine with the previous letter if the preceding character is U+06DF (small high rounded zero) or U+06E2 (small high meem isolated form).

The problem is specific to MS Word 365 (latest English version). Browsers show the signs correctly.

Examples below:

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The small high rounded zero looks identical to Arabic Sukun, except that it doesn’t change its form based on language. Functionally, it indicates a silent letter in Quranic typography, while the Sukun indicates lack of vowel.

Ideally, the Waqf signs should be placed a little towards the left of the last letter, not directly above it. Otherwise they distort the word by mixing with previous marks.

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2

Thanks for your report. The last part is easy to address although then you run the risk of it touching a following letter.

I’ve also verified the first part of your report and that seems to be an issue with our code. I’ll submit a bug report.

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3

The first issue is related to Windows/Office rendering.
It displays properly in LibreOffice. The issue is not related to the font, but to the operating system rendering behavior.

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