No ligatures with subjoined dotted U+1010 MYANMAR LETTER TA

[dscorbett]

Font

NotoSerifMyanmar-Regular.ttf

Where the font came from, and when

Site: https://github.com/googlefonts/noto-fonts/blob/34e98229863e627d0f841e124a8657d5d0348b04/phaseIII_only/unhinted/ttf/NotoSerifMyanmar/NotoSerifMyanmar-Regular.ttf
Date: 2019-06-09

Font version

Version 2.001

Issue

There are no ligatures of the dotted variant of subjoined U+1010 MYANMAR LETTER TA with U+103D MYANMAR CONSONANT SIGN MEDIAL WA.

Character data

က္တ︀ွက္တွ
U+1000 MYANMAR LETTER KA
U+1039 MYANMAR SIGN VIRAMA
U+1010 MYANMAR LETTER TA
U+FE00 VARIATION SELECTOR-1
U+103D MYANMAR CONSONANT SIGN MEDIAL WA
U+1000 MYANMAR LETTER KA
U+1039 MYANMAR SIGN VIRAMA
U+1010 MYANMAR LETTER TA
U+103D MYANMAR CONSONANT SIGN MEDIAL WA

Screenshot

[andjc]

I am curious, in what contexts would the string U+1000 U+1039 U+1010 U+FE00 U+103D ve used?

Wouldn't it be either:

U+1000 U+1039 U+1010 U+103D or

U+1000 U+FE00 U+1039 U+1010 U+FE00 U+103D ?

[dscorbett]

Maybe it would never be used, but it doesn’t matter for this bug report. I’m just using U+1000 as a generic base letter.

[ohbendy]

The dotted forms are used for Khamti, Aiton and Phake. None of those are known to stack three consonants in a conjunct. There's the other issue that currently variation selectors cannot be applied to nonspacing marks such as the subjoined consonants, so there isn't yet a way to make this work, I think.

Even so, I'd probably add bottom anchors on the below-base dotted consonants, just in case.