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Re: mathcode of non printable characters
- To: Frank Jensen <fj@iesd.auc.dk>
- Subject: Re: mathcode of non printable characters
- From: Jan Michael Rynning <jmr@nada.kth.se>
- Date: Wed, 1 Sep 93 15:57:55 +0200
- Cc: math-font-discuss@cogs.susx.ac.uk
> The reason why they are there in the first place is that there
> actually existed (do they still exist?) keyboards with special symbols
> in the indicated positions. Knuth used (and perhaps still does) such
> a keyboard. (See The TeXbook, pp. 135 and 369.)
Knuth gave up using that kind of keyboard when he changed from the old
SAIL machine to a Sun workstation in 1989. I think those keyboards were
still around for a year or two after that.