[Bulat_Ziganshin]

even worse, I have Punto switcher that automatically switches language when I start typing. With default config, it changes latin c to russian one because russian language includes word "c" while it's non-sense in English.

and since it's the only Cyrillic character that's placed on the same key as the same-looking english character, I don't even see the problem with my eyes when the autoreplacement fires