U+1BA1 SUNDANESE CONSONANT SIGN PAMINGKAL is not spacing

[dscorbett]

Font

NotoSansSundanese-Regular.ttf

Where the font came from, and when

Site: https://noto-website-2.storage.googleapis.com/pkgs/NotoSansSundanese-unhinted.zip
Date: 2018-03-19

Font version

Version 1.05 uh

Issue

U+1BA1 SUNDANESE CONSONANT SIGN PAMINGKAL overlaps the following glyph.

Character data

ᮔᮡᮕ
U+1B94 SUNDANESE LETTER NA
U+1BA1 SUNDANESE CONSONANT SIGN PAMINGKAL
U+1B95 SUNDANESE LETTER PA

Screenshot

[dscorbett]

This bug is still present in version 2.002.

[simoncozens]

I found the problem. Now we are using the USE, mark glyphs are unconditionally zeroed early in the process. I've added a single positioning rule to put their width back. It feels like a horrible hack but I guess that's what you have to do to get spacing marks...