So I am finally finishing up with my SMZ Package, but when I was translating the package to Russian, I get question marks instead of letters. My lang file for English works absolutely fine. I am not sure what is going on, below I listed more details regarding this problem.
My Russian lang file is saved in assets/flansmod/lang as ru_RU.lang
Here is an example line from the lang file:
item.smzS3D_stock(Yellow).name=СМЗ-С3Д Сток (Жёлтый)
Here is how I see it in the game: