bug#23179: 25.0.92; Restore `M-,' to continue etags search

[Dmitry Gutov]

On 14.04.2019 22:55, Juri Linkov wrote:

> > But actually, I looked at the code again, and there's little reason not to
> > sort in the current implementation. Please try and see if doing that in
> > project--files-in-directory gives any kind of perceptible slowdown.
>
> No perceptible slowdown, thanks.

Pushed. Thanks for checking.

Each backend's implementation would need to sort on its own, though.

> > Doing it in Lisp seems to be the fastest choice (benchmark still shows
> > a bit of a difference if I do that via "| sort -z"):
>
> And also avoids any possible incompatibilities in options of the external 
> command.

Yup.