🚀 go-pugleaf

I *am* getting old! This ASR33 paper tape stuff reminded me
of the following.

Way back, when running V6 using 110 baud Olivetti terminals with paper
tape reader and punch we once had the following accident occur.
One day the computer started crashing. Rebooting and crashing.
The symptoms were that all character input seemed to get lost.
We scratched our heads in vain but couldn't figure out what was wrong.

Then suddenly this student came in and complained that every time she
tried to read in her file from papertape the system crashed and that
she couldn't get her assignment done that way. That lead us onto the right
track.

Her papertape contained TAB characters. While reading it in the system
echoed all characters, but of course had to expand the tabs. No such
luxury as hardwired TAB's those days. But 110 baud input with TABS
cannot be displayed at 110 baud with the tabs expanded so the system
character queues filled up causing all typed input to be thrown away.

Nowadays of course all tty lines have highwater marks but you have to be
hit by such an accident before you think of that...