On 8 Feb 2017 17:50 -0500, from ron at ronnatalie.com (Ron Natalie):
> Amusingly in the UNIVAC FIELDDATA character set.   The @ had the value zero
> (and was called the master space).

That wouldn't have anything to do with how ^@ is a somewhat common
representation of 000, would it? (Yes, using octal on purpose.) I've
always kind of wondered where that notation came from.

That ^A through ^Z were representations of 001 through 032 makes more
sense.

-- 
Michael Kjörling • https://michael.kjorling.se • michael at kjorling.se
                 “People who think they know everything really annoy
                 those of us who know we don’t.” (Bjarne Stroustrup)