복수형 변형을 사용자 지정하면 단수형 텍스트가 더 이상 작동하지 않음

[Moin]

It does, you can see both texts in the screenshot:

@Moin

In this case, I didn’t want to change both. But changing only one breaks the other. Editing the singular version but not the plural version results in a broken plural.