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bug#12937: 24.2; Fontification performed in 'jit-lock-defer-time' in any
From: |
Lars Ingebrigtsen |
Subject: |
bug#12937: 24.2; Fontification performed in 'jit-lock-defer-time' in any case (don't wait while Emacs become really idle). |
Date: |
Wed, 30 Oct 2019 23:45:09 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
Stefan Monnier <monnier@iro.umontreal.ca> writes:
> I don't see that. I'm not sure how you tried, it but I did
>
> src/emacs -Q --eval '(setq jit-lock-defer-time 0.01)' src/xdisp.c
>
> and scrolling with page-down indeed is jerky and I see that the buffer
> is getting fontified (at least occasionally). But if I try again with
>
> src/emacs -Q --eval '(setq jit-lock-defer-time 0.1)' src/xdisp.c
>
> then the scrolling is fast&smooth and it only gets fontified when
> I stop scrolling.
I tried this in Emacs 27 (on a pretty fast laptop), and I got no
jerkiness when holding <down> (and things are fontified as I scroll). I
also tried 0.001.
So is this still a problem?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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- bug#12937: 24.2; Fontification performed in 'jit-lock-defer-time' in any case (don't wait while Emacs become really idle).,
Lars Ingebrigtsen <=