Thank you, Unicode Consortium

Danke; wusste ich nicht

Was ist denn die Schildkröteninsel?

The Blues Brothers

Hi to you too! I’m not that good at writing that kind of stuff, but I’m trying.

That’s an interesting combination of “inside” and “outside”

Writing Useless Git Commit Messages, no doubt

Sehr interessant; hatte noch nie davon gehört

Install the package kdegraphics-thumbnailers, and then depending on the file manager you may have to enable previews, e.g. in Dolphin > Configure Dolphin > Interface > Previews.