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From: info-mac@uw-beaver (info-mac)
Newsgroups: fa.info-mac
Subject: Re:  MacTerminal
Message-ID: <1476@uw-beaver>
Date: Wed, 15-Aug-84 16:26:16 EDT
Article-I.D.: uw-beave.1476
Posted: Wed Aug 15 16:26:16 1984
Date-Received: Thu, 23-Aug-84 00:56:57 EDT
Sender: daemon@uw-beave
Organization: U of Washington Computer Science
Lines: 10

From: olson@harvard.ARPA (Eric Olson)
VT100s do insert and delete line by defining a scrolling region on
the screen and either scrolling up or down (example: region 10 to 24;
scroll down results in open line at 10 and lost line at bottom).  On
UNIX, termcap (terminal capabilities stuff) can have an entry for
VT100-like scrolling regions (a subset of an ANSI standard) and editors
may choose to use them.

Insert character and delete character can be done with a line rewrite,
which is slow but not too annoying at 1200 baud.