Medial aleph becomes isolated after medial pe

[dscorbett]

Font

NotoSerifOldUyghur-Regular.otf

Where the font came from, and when

Site: https://github.com/notofonts/old-uyghur/releases/tag/NotoSerifOldUyghur-v1.004
Date: 2024-06-17

Font version

Version 1.004

Issue

After a medial pe, a medial aleph is replaced by an isolated aleph. It should instead become initial. This bug only affects this specific sequence.

Character data

ـ𐽼𐽰ـ
U+0640 ARABIC TATWEEL
U+10F7C OLD UYGHUR LETTER PE
U+10F70 OLD UYGHUR LETTER ALEPH
U+0640 ARABIC TATWEEL

Screenshot