On Fri, Aug 18, 2017, at 03:39, Marko Rauhamaa wrote: > 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.
I assume this is also why teletypes used even parity - so 0xFF can be used as DEL on characters that had any parity. -- https://mail.python.org/mailman/listinfo/python-list