OT: in the comments there is mention to proletext, the not very rich text, which exploits the idea of formatting by invisible controls (i.e. spaces!) at the end of each line.
On that ChatGPT thing, it was a stroke of genious, for the wrong reasons none-the-less, that managment forbids anyone under the age of 18 to use it. This is important because "generative" AI relies on fresh data like biological procreation needs source of fresh genes. Lest it becomes degenerative AI. So, my point being that beyond the impressive technical feat that this ChatGPT represents, it is a well-laid trap that humans finally set for themselves to ambush humaninty into Idiocracy. Count me out, scatophilia and coprolagnia are not my dish.