This comes up fairly often in TeX, where you can use ^^J to insert a newline character [0]. For example, the following code: \message{before ^^J after} prin

This comes up fairly often in TeX, where you can use ^^J to insert a newline character [0]. For example, the following code: \message{before ^^J after} prints the following message: before after This is common in other old software too [1] [2], but TeX is where I see it the most often these days. [0]: https://tex.stackexchange.com/a/64848/270600 https://tex.stackexchange.com/a/64848/270600 [1]: https://superuser.com/q/212874 https://superuser.com/q/212874 [2]: https://en.wikipedia.org/wiki/Caret_notation https://en.wikipedia.org/wiki/Caret_notation