Re: Emacs freezes again when I try to open a file including only one very long line.

[Hongyi Zhao]

On Wed, Jun 29, 2022 at 7:37 PM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: Hongyi Zhao <hongyi.zhao@gmail.com>
> > Date: Wed, 29 Jun 2022 19:25:53 +0800
> > Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>
> >
> > > > For example, how to get the same incremental search results
> > > > displayed in real time as what in the vscode I showed.
> > >
> > > The results of incremental search are shown as long as displaying them
> > > takes a reasonable amount of time.  When Emacs is no longer capable of
> > > displaying the results in reasonable time (a.k.a. "freezes"), the
> > > results are no longer displayed, to give you a responsive Emacs
> > > session.
> >
> > But I waited a minute and didn't see any matching results highlighted
> > on the screen, as shown in the attached file.
>
> With what value of max-redisplay-ticks?

(setq max-redisplay-ticks 250000)

> With a reasonable value, you should see a warning telling you that the
> window displaying this file is taking too long to redisplay, and Emacs
> should remain responsive, so that you can type C-g and then other
> commands.
>
> > BTW, all the matched results will be displayed in vscode almost at the
> > same time as the input.
>
> Can VSCode be programmed to changed its display and its commands like
> Emacs can?

Not clear. My description of the behavior of it and its specific
third-party plug-ins is based on the corresponding default settings.

Best,
Hongsheng