[jtwoodhouse]

Some legit writers actually use the em dash — how else would it end up in the training data?

[apothegm]

Plenty of people type the double-dash in its place —- and many autocorrect tools will just replace that with a proper em-dash character.

Apparently the way I was taught to write is how LLMs write. I’m really not looking forward to my humanity being denied on a regular basis as a result.