[TUHS] End of an era: the last ATC (USENIX Annual Technical Conference)

[segaloco via TUHS]

On Friday, July 18th, 2025 at 6:13 PM, Larry McVoy <lm at mcvoy.com> wrote:

> On Fri, Jul 18, 2025 at 06:05:37PM -0700, Bakul Shah wrote:
> 
> > On Jul 18, 2025, at 4:59???PM, Larry McVoy lm at mcvoy.com wrote:
> > 
> > > I sort of get "." to repeat the undo but does nvi have a way to redo the
> > > changes you originally did? I've used that to try and track down what
> > > change I did that caused things to break, being able to go back and forth
> > > is useful in a long debugging session.
> > 
> > Let us say you want do undo last 4 changes. You type u...
> > Now you want to redo 3 of them. You type u..
> > 
> > Basically the second u undoes the undo, and . means repeat!
> 
> 
> Hmm, I might be dense but I like vims way of "u" means undo, ^R means
> put it back. I do like nvi's u...., I like the . but having "u" mean
> undo and redo seems weird.
> 
> You say tomato I say tomato :)
> --
> ---
> Larry McVoy Retired to fishing http://www.mcvoy.com/lm/boat

This undo behavior is one of the things that catches me off guard when I wind up in vim instead of nvi.  Not to say which is better or worse I'm just wired for the nvi approach so when I hit 'u' again and it does another undo instead of undoing the undo, it throws me for a second.

- Matt G.