Non english files are not shown at all or shown incorrectly on many programs. But Dolphin show them fine. What the problem?
Dolphin shows file.
Double Commander does not show any files.
Midnight Commander shows question marks.
ls shows codes.
All programs and OS are last updated from official repo. File system is ext4, where OS is installed. Same happens on NTFS and another ext4.
On Ubuntu 18.04 and Manjaro there was no such problem with these files.
/etc/locale.gen contains these lines uncommented
en_US.UTF-8 UTF-8 ru_RU.UTF-8 UTF-8
ndp@ndp-G5-5587:~/Documents$ locale locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory LANG=cv_RU.UTF-8 LANGUAGE= LC_CTYPE="cv_RU.UTF-8" LC_NUMERIC=ru_RU.UTF-8 LC_TIME=ru_RU.UTF-8 LC_COLLATE="cv_RU.UTF-8" LC_MONETARY=ru_RU.UTF-8 LC_MESSAGES="cv_RU.UTF-8" LC_PAPER=ru_RU.UTF-8 LC_NAME=ru_RU.UTF-8 LC_ADDRESS=ru_RU.UTF-8 LC_TELEPHONE=ru_RU.UTF-8 LC_MEASUREMENT=ru_RU.UTF-8 LC_IDENTIFICATION=ru_RU.UTF-8 LC_ALL=