@modulux I'm massively, massively behind the curve here, but I wanted to thank you for this thought-provoking post. I was inspired to write a few words on the history of the '\' at my blog: https://shadycharacters.co.uk/2025/03/backing-the-backslash/.
@shadychars Thanks for that informative post, though you leave us with quite a tease. :) Now I'm even more intrigued.
@shadychars Oh, the telegraphy bit? I see! :)