Some characters shift lines in some encodings

[Vampire]

For example if I use LANG=en_US.UTF-8 tig, it looks nice:

If I use LANG=en_US.ISO-8859-1 tig it becomes to be misplaced:

It seems the š is normalized to s, but the ć is not normalized and instead appears as the two characters ´c but still counted as one character.