On Fri, Aug 18, 2017 at 5:39 PM, Marko Rauhamaa <ma...@pacujo.net> wrote: > Chris Angelico <ros...@gmail.com>: > >> Ohh. We have no evidence that uppercasing is going on here, and a >> naive ASCII upper-casing wouldn't produce 0x81 either - if it did, it >> would also convert 0x21 ("!") into 0x01 (SOH, a control character). So >> this one's still a mystery. > > BTW, I was reading up on the history of ASCII control characters. Quite > fascinating. > > For example, have you ever wondered why DEL is the odd control character > out at the code point 127? The reason turns out to be paper punch tape. > By backstepping and punching a DEL over the previous ASCII character you > can "rub out" the character.
Yeah. Bvvvvvvvp, no more character there :) I'm not old enough to have actually worked with those technologies (although I do have a punched card somewhere around, being used as a bookmark), but a lot of them have influenced the standards that we still use, so it's well worth studying the history! ChrisA -- https://mail.python.org/mailman/listinfo/python-list