The printer's jammed, give them some time.
Meanwhile, more about PostScript:
John Warnock's "linguistic motherboard" and Owen Densmore's "class.ps" smalltalk-like object oriented PostScript programming system, which NeWS and The NeWS toolkit used.
https://news.ycombinator.com/item?id=29295116
Owen Densmore's work with Bill Atkinson and John Warnock on the Mac printing system, and his "linguistic motherboard" email and "Swiss Army NeWS: A Programmable Network Facility" white paper:
https://news.ycombinator.com/item?id=33827923
More history of PostScript, JAM, InterPress, and John Warnock's vision of PostScript as a "Linguistic Motherboard":
My boss, many years ago, talked about the time he programmed a printer to act as a web server using Postscript. I never asked what happened to other print requests while it was running.
Thanks for posting this!
I've started looking into the history of Postscript because I was looking into the idea of "sending a program not a data structure".
Some thoughts so far: https://krishna.github.io/posts/send-a-program-not-a-datastr...