From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: acm@muc.de, 20404@debbugs.gnu.org, tsdh@gnu.org
Subject: bug#20404: 25.0.50; Sometimes no fontification with jit-lock-defer-time
Date: Thu, 23 Apr 2015 13:27:20 -0400 [thread overview]
Message-ID: <jwvpp6u69tm.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <834mo622wg.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 23 Apr 2015 20:03:11 +0300")
> FWIW, when I set jit-lock-defer-time to zero and lean on the PageDown
> key, I see somewhat clunky scrolling with no fontifications, until I
> release the key.
> But fontification inside the scrolling code itself still happens, I
> think.
Hmm... while I guess it's still possible, it normally shouldn't happen:
if the fontification takes place during the scrolling itself, then the
next redisplay should not be skipped (and hence you should see fontified
text rather than unfontified text, tho, some of the displayed text may
still be unfontified, because it was marked as "fontified=defer" in the
previous redisplay).
So, if the text scrolls by fully unfontified, it should be the case that
fontification did not happen during scrolling.
Stefan
next prev parent reply other threads:[~2015-04-23 17:27 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-22 9:45 bug#20404: 25.0.50; Sometimes no fontification with jit-lock-defer-time Tassilo Horn
2015-04-22 10:32 ` Eli Zaretskii
2015-04-22 20:32 ` Tassilo Horn
2015-04-22 21:39 ` Eli Zaretskii
2015-04-23 5:59 ` Tassilo Horn
2015-04-23 6:14 ` Eli Zaretskii
2015-04-23 8:36 ` Tassilo Horn
[not found] ` <mailman.1344.1429696032.904.bug-gnu-emacs@gnu.org>
2015-04-22 16:31 ` Alan Mackenzie
2015-04-22 17:37 ` Stefan Monnier
2015-04-22 19:32 ` Alan Mackenzie
2015-04-22 20:52 ` Stefan Monnier
2015-04-22 20:10 ` Tassilo Horn
2015-04-22 21:33 ` Eli Zaretskii
2015-04-23 4:15 ` Tassilo Horn
2015-04-23 6:35 ` Eli Zaretskii
2015-04-23 13:40 ` Stefan Monnier
2015-04-23 15:11 ` Eli Zaretskii
2015-04-23 16:23 ` Stefan Monnier
2015-04-23 17:03 ` Eli Zaretskii
2015-04-23 17:27 ` Stefan Monnier [this message]
2015-04-23 17:34 ` Eli Zaretskii
2015-04-23 19:35 ` Stefan Monnier
2015-04-24 9:41 ` Eli Zaretskii
2015-04-24 14:03 ` Stefan Monnier
2015-04-24 14:36 ` Eli Zaretskii
2015-04-24 18:03 ` Stefan Monnier
2015-04-23 19:53 ` Tassilo Horn
2015-04-23 17:25 ` Eli Zaretskii
2015-04-23 19:31 ` Stefan Monnier
2015-04-23 19:52 ` Eli Zaretskii
2015-04-23 19:56 ` Tassilo Horn
2015-04-23 7:54 ` Eli Zaretskii
2015-04-23 8:38 ` Eli Zaretskii
2015-04-23 9:04 ` Tassilo Horn
2015-04-23 9:16 ` Eli Zaretskii
2015-04-23 13:40 ` Stefan Monnier
2019-10-31 14:23 ` Lars Ingebrigtsen
2019-10-31 14:51 ` Eli Zaretskii
2015-04-23 8:38 ` Tassilo Horn
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