This is awkward—I use em-dash all the time on HN! I'm not an LLM (as far as I know); I just like to write neatly when I'm able to, and it's very low friction when you're familiar with your keyboard compose sequences[0]. It's a trivial four keypresses,

    AltR(hold) - - -

(The discoverability of these functions is way too low, on GNOME/Linux; I really dislike the direction of modern UX, with its fake simplicity, and infantalization of users. Way more people would be using —'s and friends if they were easily discoverable and prominently hinted in their UX. "It's documented in x.org man pages" is an unacceptable state of affairs for a core GUI workflow).

[0] https://news.ycombinator.com/item?id=35118338#35118598 (On "Punctuation Matters: How to use the en dash, em dash and hyphen" (2023); 356 comments)