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From: Eli Zaretskii <eliz@gnu.org>
To: Drew Adams <drew.adams@oracle.com>
Cc: 21092@debbugs.gnu.org
Subject: bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work
Date: Fri, 28 Aug 2015 18:46:41 +0300	[thread overview]
Message-ID: <83wpwf2z6m.fsf@gnu.org> (raw)
In-Reply-To: <56e13714-27a7-47f9-93df-299b4a25457d@default>

> Date: Fri, 28 Aug 2015 08:19:35 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 21092@debbugs.gnu.org
> 
> > > > 1. emacs -Q
> > > > 2. Visit a file - anything other than a tiny one will do.
> > > > 3. Use `customize-option' to set `lazy-highlight-cleanup' to nil
> > > >    and set `lazy-highlight-max-at-a-time' to nil.
> > > > 4. Search once for a simple string that occurs multiple times throughout
> > > >    the buffer - e.g., `C-s the RET`.
> > > > 5. Scroll down to see that the matches were not highlighted throughout
> > > >    the buffer.  `lazy-highlight-max-at-a-time' does not work as
> > > >    advertised.
> > 
> > What do you mean by "scroll down" in step 5 above?  Scroll down how?
> 
> C-v or whatever.  (Yes, this will exit Isearch,)
> 
> > Scrolling (as any other command that exits I-search) removes all
> > highlighting, at least by default.
> 
> No, it does not.  Not if `lazy-highlight-cleanup' is nil - see step 3.

Missed that, sorry.

> > And "all matches" in the
> > variable's doc string means "all matches shown on the screen",
> 
> How could that be?

I don't know, but that's what I clearly see.

> IIUC, a lot has changed since lazy highlighting and these options
> were first introduced - jit-lock, etc.  Perhaps this worked at one
> time, and a regression was introduced since then?  (No, I don't see
> that myself - the same bug is in Emacs 22.3.)

Do you see any previous version of Emacs where it worked as you
expect?  I don't.

I will now shut up and let people who actually know something about
isearch.el talk.





  reply	other threads:[~2015-08-28 15:46 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <<9e1b9e19-6a1e-4241-a3e6-2876509e1423@default>
     [not found] ` <<7245a30d-355a-425e-b19b-1c9ecc5e94e3@default>
     [not found]   ` <<83lhcv4wp4.fsf@gnu.org>
2015-08-28 15:19     ` bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work Drew Adams
2015-08-28 15:46       ` Eli Zaretskii [this message]
2015-08-28 21:14       ` Juri Linkov
2015-08-28 21:43         ` Drew Adams
2015-08-29  7:07           ` Eli Zaretskii
     [not found]     ` <<56e13714-27a7-47f9-93df-299b4a25457d@default>
     [not found]       ` <<83wpwf2z6m.fsf@gnu.org>
2015-08-28 15:59         ` Drew Adams
2015-08-28 16:03           ` Eli Zaretskii
     [not found]         ` <<e4ec2bca-0db5-43ba-a100-e99601d39e4c@default>
     [not found]           ` <<83twrj2ye6.fsf@gnu.org>
2015-08-28 16:15             ` Drew Adams
2015-08-28 16:44               ` Drew Adams
2015-08-28 16:59                 ` Drew Adams
     [not found]       ` <<87si73dsjt.fsf@mail.linkov.net>
     [not found]         ` <<b0d4a886-77ae-4b58-b1b8-3b15999f5052@default>
     [not found]           ` <<83pp26373z.fsf@gnu.org>
2015-08-29 14:42             ` Drew Adams
2015-08-29 21:10               ` Juri Linkov
2015-08-30  2:40                 ` Eli Zaretskii
2015-08-30  5:39                   ` Drew Adams
2015-08-30 20:58                   ` Juri Linkov
2015-08-30 22:39                     ` Drew Adams
2015-08-31 20:01                       ` Juri Linkov
2015-08-31 21:35                         ` Drew Adams
2015-09-01 22:55                           ` Juri Linkov
2015-09-02  0:07                             ` Drew Adams
2015-09-02 22:40                               ` Juri Linkov
2015-12-24  0:47                             ` Juri Linkov
2017-02-22  0:16                               ` Juri Linkov
2015-07-19 13:36 Drew Adams
2015-08-27 20:29 ` Drew Adams
2015-08-28  8:57   ` Eli Zaretskii

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