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Clearing the screen and other such things.
- To: Tim McNerney <TIM@MIT-MC.ARPA>
- Subject: Clearing the screen and other such things.
- From: Rob MacLachlan <RAM@CMU-CS-C.ARPA>
- Date: Mon, 29 Jul 1985 08:37:00 -0000
- Cc: COMMON-LISP@SU-AI.ARPA
- In-reply-to: Msg of 29 Jul 1985 01:06-EDT from Tim McNerney <TIM at MIT-MC.ARPA>
Perhaps this "virtual terminal" package would be best put into the
yellow pages. Given a sufficiently efficient implementation of the
basic terminal I/O stream or at least a binary stream to the terminal,
it could be written entirely in Lisp.
This is only true given that there is a physical terminal which can be
controlled by sequences of characters --- a totally unwarranted
From an earlier message:
Many terminals don't support these operations. If we are trying to
limit ourselves to a set of essential primitives, I would suggest that
these be flushed, since they are merely abstractions for printing the
sequences, backspace-space-backspace and space-backspace,
This argument is not valid, since there is no reason to suppose that
"printing" these characters on the "terminal" will have the desired
effect. A Common Lisp implementation doesn't even have to have a