16 May 2026, 07:59 by [email protected]:
> I used my mouse to click on a random letter that I wanted to changed,
> pressed a key on my keyboard and observed the letter change. I pressed
> "Save" in the top menu bar. I closed the program.
>
> The file "foo.txt" had now changed.
>
> Conclusion: Yes, it's probably something on your side that is breaking things.
>
Thank you for verifying. So I was "using" it correctly, and I accomplished the
same task using hexedit. Unless someone can think of some esoteric
configuration that's wrong on my machine, I'll file a bug with KDE.