strange fastfind behavior

[unxed]

1. Run far2l in TTY|Xi mode
2. Make folder 1234
3. Make folders guess и проверка inside
4. Switch to Russian keyboard layout, set cursor to ..
5. Press and hold Alt key
6. Type проверка still holding Alt key
7. Type i (ш) key still holding Alt key

Observed behavior: cursor will move to guess folder.

Expected behavior: cursor should stay on проверка folder.

[unxed]

Also

1. Run far2l in TTY|Xi mode
2. Make folder 1234
3. Make folder бублик inside
4. Switch to Russian keyboard layout, set cursor to ..
5. Press and hold Alt key
6. Type бю still holding Alt key

Observed behavior: text бю in input field

Expected behavior: text б in input field