On Thu, 18 Feb 2021 04:52:33 +0000
The Natural Philosopher  wrote:

> On 17/02/2021 21:18, Ahem A Rivet's Shot wrote:
> > On Wed, 17 Feb 2021 20:53:14 +0000
> > The Natural Philosopher  wrote:
> >
> >> vi was a superstructure pasted on ed as far as I can recall
> >
> >  Correct - it stands for Visual Interface.
> >
> >> It was never designed as a CRT based editor. It is 100% line oriented
> >
> >  Vi was most certainly designed as a CRT based interface to an
> > editor, one of the very first such. Some of the screen handling code in
> > the original vi wound up as part of curses.
> >
> Er no...it wasnt

 Your quote confirms my statement - extracting the relevant piece.

> He then developed vi as a "visual interface" to ex. That
> is, it allows text to be viewed on a full screen rather than only one
> line at a time. vi takes its name from this fact.

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