Terminal output: parity, 7 vs. 8 bits, etc.

[Boyd Roberts]

>   However; There's a lot of stuff that ought to
>   be fixed up in the tty drivers, notably echoing.
>   ( I'd like a deferred mode as on TOPSXX, that is,
>   Echo when read by requesting program. )

That's right, we need delayed echo and deferred writes.
The write could be deferred until I'm ready to read it.
Then there would be no need for "Terminal Paging in the Kernel".