Re: etags to xref changed navigation

[Eli Zaretskii <eliz@gnu.org>]

> Date: Tue, 23 Apr 2024 22:07:08 -0400
> From:  Stefan Monnier via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
> 
> >> >> I'm not sure what the problems would be, concretely, but we can always
> >> >> solve the problem by making the behavior optional.
> >> > I think the reason why it was on M-, before was because repeated
> >> > M-. couldn't tell whether you wanted the next, or to start a new search
> >> > for whatever point is on now.
> >> 
> >> That's also my understanding, and I'm suggesting that it distinguishes
> >> the two by checking if `M-.` is used consecutively or not
> >
> > The problem with this proposal is that any command in-between will
> > break the chain.  One must remember not event to move point.  That
> > could well be problematic: for example, imagine that I'm not sure
> > whether I want the current candidate, and to be sure I need to scroll
> > the window a bit, because what M-. displayed doesn't show enough
> > (e.g., because the window is too small).
> 
> IIUC if you break the chain, indeed you wouldn't be able to use `M-.` to
> keep going to the next def, but you could still use `M-g M-n` for that.
> The extra keyboard movement from `M-.` to `M-g M-n` is expected to be
> much less of a burden since you presumably already moved your fingers
> away from `M-.` to break the chain.

That's correct, but I think remembering to use only "M-g M-n" is
easier, and together with xref-auto-jump-to-first-definition set to t
it should provide a UX almost identical to the old UX.