I think that that sentence has been completed its part. 
Because Kana fonts were revised by me the other day(PR #3289), who am a native Japanese.

And for @AnHardt,
I'd like to take this opportunity to express one's heartfelt gratitude as a far eastern person,
about you has been maintaining the resource of Japanese despite you are a far western person.

Keep "astyled" reformatting

Apply `ENABLED` / `DISABLED` macros to language-related files.

and add some documentation - how to integrate a new font.