Ligatures are missing anchor points

[dscorbett]

Font

NotoSansManichaean-Regular.otf

Where the font came from, and when

Site: https://github.com/notofonts/manichaean/releases/tag/NotoSansManichaean-v2.005
Date: 2023-10-07

Font version

Version 2.005

Issue

The two ligatures are missing some anchor points. cy doesn’t support U+10AE5, and it puts U+10AE6 under the c even when it follows the y. cn doesn’t support U+10AE6. Both ligatures should support both marks on both components in both positional forms.

Character data

𐫝𐫦𐫥𐫏𐫦𐫥𐫝𐫦𐫗𐫦
U+10ADD MANICHAEAN LETTER SADHE
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW
U+10AE5 MANICHAEAN ABBREVIATION MARK ABOVE
U+10ACF MANICHAEAN LETTER YODH
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW
U+10AE5 MANICHAEAN ABBREVIATION MARK ABOVE
U+10ADD MANICHAEAN LETTER SADHE
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW
U+10AD7 MANICHAEAN LETTER NUN
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW

ـ𐫝𐫦𐫥𐫏𐫦𐫥ـ𐫝𐫦𐫗𐫦
U+0640 ARABIC TATWEEL
U+10ADD MANICHAEAN LETTER SADHE
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW
U+10AE5 MANICHAEAN ABBREVIATION MARK ABOVE
U+10ACF MANICHAEAN LETTER YODH
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW
U+10AE5 MANICHAEAN ABBREVIATION MARK ABOVE
U+0640 ARABIC TATWEEL
U+10ADD MANICHAEAN LETTER SADHE
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW
U+10AD7 MANICHAEAN LETTER NUN
U+10AE6 MANICHAEAN ABBREVIATION MARK BELOW

Screenshots