Re: [NTG-context] Deprecated $…$ for inline math?

On 18 Feb 2016, at 10:16, Hans Hagen mailto:pragma@wxs.nl> wrote: also, DEK used a keyboard with some special characters (probably dating from those assembler like computer languages) which is why the plain tex format has: Could it have been a keyboard especially for the APL language? Just a wild guess, but I remember that language using a lot of such symbols. Hans van der Meer