The `select_non_existing` lua script selects existing images

[mishavoloshchuk]

When Darktable's library contains images with cyrillic characters in the file path, the select_non_existing lua script selects those images in the library even though they exist on disk and display correctly in Darktable. It is a very similar to my earlier purge_nonexistent_images.bat issue.
It seems like the problem appears only on Windows, because when I tested on MacOS it worked fine.

Here's what gets selected after I click the "select non existing" button:

The expected selection would be:

[wpferguson]

I wonder if starting darktable from a shell script and specifying the code page would fix it?

[mishavoloshchuk]

So, I've made a .bat file:

@echo off
chcp 65001
"...\darktable\bin\darktable.exe"

I ran it and had the same issue..