At minimum, the abbreviations are also given in https://www.tug.org/TUGboat/tb10-4/tb26knut.pdf but the paper is much more. (Rehashing my comment from earlier: https://news.ycombinator.com/item?id=18177962)
Incidentally, some archives of the old TeX source code are available online... it might be an interesting project to combine the two, but I'm not finding the time to do it. If anyone is interested in helping / doing it, let me know. :-)
> Came in evening after sleeping most of day, to get computer at better time.
> Some day we will have personal computers and will live more normally.
If this was machine readable, then TeX could compile TeX ;-)
Even as Svat says, you need a 1989 paper to make sense of it.
It's annoying how frequently the shortest and best summary I can think of ends up at ~55 characters, and I have to omit important cotext or detail and include that in the body instead.
It's a widely accepted spelling and is unambiguous in describing the topic.