Character displayed for +U55F6 (嗶) appears to display incorrectly in Noto Serif CJK TC

[geno21an]

Defect Report

Title

Character displayed for +U55F6 (嗶) appears to display incorrectly.

Font

Noto Serif CJK TC

Where the font came from, and when

Installation of Ubuntu 24.04.1 LTS (performed September 24, 2024)
Package marked as 1.20230817+repack1-3
Date: (assumed) 2023-08-17

Font Version

2.002; hotconv1.1.0; makeotfexe 2.6.0

OS name and version

Xubuntu 24.04.1 LTS

Application name and version

All apps

Issue

When using a CangJie typing tutor that allows selection of displayed fonts, I discovered that the character displayed for +U55F6 (嗶) came out with a significant difference in comparison with all other fonts. Where the character normally displays a 田 on the top right side, the Noto Serif CJK TC font displays a 曰in its place. Since I am not a native Chinese speaker, I did some research and asked around, but no person recognized the character displayed in the Noto Seric CJK TC font as a proper representation of the charact 嗶. I used Libre Office Writer, and the same result occurred. In my computer at home, which seems to have an older version of the font, this change from a 田 to a 曰 does not occur.

Noto Serif CJK TC (incorrect):

Noto Serif CJK SC (correct):

I will close by stating that I am neither a Linux or computer expert or a Chinese expert. But I do believe I have stumbled upon an issue that needs to be explained or resolved. Since I don't normally make submissions of this kind, please overlook things I may not have included in my description. If there is any additional data I can provide, please feel free to instruct me.

[NightFurySL2001]

Your font is outdated. This has been reported in adobe-fonts/source-han-serif#155 and fixed in version 2.003: https://github.com/adobe-fonts/source-han-serif/releases/tag/2.003R:

Fixed missing stroke on uni55F6-TW 嗶 and uni6EED-TW 滭 per adobe-fonts/source-han-serif#155

Also note that the SC/CN form you had there is actually HK. You should check your installation.

[geno21an]

NightFurySL2001, I'm grateful for your explanation. I tried to do a search for this but found no matches. Is han-serif different from Noto Serif?

[NightFurySL2001]

Not sure what you meant by search, but Source Han Serif is the same as Noto Serif CJK or the individual JP/KR/SC/TC/HK except for the branding name. This repo has already updated Serif to v2.003 too at the Release page.