A contextual lookup substitutes kaph with nun and vice versa. The example below is contrived; this does not happen under normal circumstances. I think it is worth fixing anyway in case a refactoring ever exposes the bug and because it should be a simple fix.
Character data
𐮁𐮉𐮁𐮌
U+10B81 PSALTER PAHLAVI LETTER BETH
U+200D ZERO WIDTH JOINER
U+10B89 PSALTER PAHLAVI LETTER KAPH
U+10B81 PSALTER PAHLAVI LETTER BETH
U+200D ZERO WIDTH JOINER
U+10B8C PSALTER PAHLAVI LETTER NUN
Font
NotoSansPsalterPahlavi-Regular.otf
Where the font came from, and when
Site: https://github.com/notofonts/psalter-pahlavi/releases/tag/NotoSansPsalterPahlavi-v2.003 Date: 2024-06-17
Font version
Version 2.003
Issue
A contextual lookup substitutes kaph with nun and vice versa. The example below is contrived; this does not happen under normal circumstances. I think it is worth fixing anyway in case a refactoring ever exposes the bug and because it should be a simple fix.
Character data
𐮁𐮉𐮁𐮌 U+10B81 PSALTER PAHLAVI LETTER BETH U+200D ZERO WIDTH JOINER U+10B89 PSALTER PAHLAVI LETTER KAPH U+10B81 PSALTER PAHLAVI LETTER BETH U+200D ZERO WIDTH JOINER U+10B8C PSALTER PAHLAVI LETTER NUN
Screenshot