Reordering only works when the base is a single glyph. A subjoined letter or other mark blocks reordering. If there are multiple glyphs to reorder, only the first one is ever reordered.
Character data
ᨣ᩠ᨣᩕ
U+1A23 TAI THAM LETTER LOW KA
U+1A60 TAI THAM SIGN SAKOT
U+1A23 TAI THAM LETTER LOW KA
U+1A55 TAI THAM CONSONANT SIGN MEDIAL RA
ᨣᩕᩯ
U+1A23 TAI THAM LETTER LOW KA
U+1A55 TAI THAM CONSONANT SIGN MEDIAL RA
U+1A6F TAI THAM VOWEL SIGN AE
Font
NotoSansTaiTham-Regular.otf
Where the font came from, and when
Site: https://github.com/googlefonts/noto-fonts/blob/7a9a8dbf7c9193298a1b11ad2e9acf5e039fc530/phaseIII_only/unhinted/otf/NotoSansTaiTham/NotoSansTaiTham-Regular.otf Date: 2020-05-07
Font version
Version 2.000
Issue
Reordering only works when the base is a single glyph. A subjoined letter or other mark blocks reordering. If there are multiple glyphs to reorder, only the first one is ever reordered.
Character data
ᨣ᩠ᨣᩕ U+1A23 TAI THAM LETTER LOW KA U+1A60 TAI THAM SIGN SAKOT U+1A23 TAI THAM LETTER LOW KA U+1A55 TAI THAM CONSONANT SIGN MEDIAL RA ᨣᩕᩯ U+1A23 TAI THAM LETTER LOW KA U+1A55 TAI THAM CONSONANT SIGN MEDIAL RA U+1A6F TAI THAM VOWEL SIGN AE
Screenshots