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bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work
From: |
Eli Zaretskii |
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 |
> 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.
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/27
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Eli Zaretskii, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work,
Eli Zaretskii <=
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Eli Zaretskii, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Juri Linkov, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/28
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Eli Zaretskii, 2015/08/29
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Drew Adams, 2015/08/29
- bug#21092: 25.0.50; Option `lazy-highlight-max-at-a-time' does not work, Juri Linkov, 2015/08/29