Testing … Linux works fine, but Mac won’t play ball.
Perhaps there’s something it doesn’t like about the Scheherezade font file …
أَلِپٗپٖنْدَ مَنَانِ · كَمُؤٗنَ مُعَيَنِ
كُنَ كِسِمَ مْوِٹُنِ · أَكٖنْدَ كُچَنْڠَلِيَ
alipopenda manani ✽ kamuona mu’ayani
kuna kisima mwiţuni ✽ akenda kuchangaliya