git: purgatorio

ref: db0eab9ca04b896e5760081efd854c57f65f36c3
dir: /appl/examples/minitel/

README
event.b
event.m
keyb.b
miniterm.b
miniterm.m
mkfile
modem.b
screen.b
socket.b
swkeyb.b
swkeyb.m