GNU bug report logs - #24584
25.1; Without fringe-mode, search highlighting on long lines breaks

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Dima Kogan <dima <at> secretsauce.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#24584: closed (25.1; Without fringe-mode, search highlighting
 on long lines breaks)
Date: Sun, 09 Oct 2016 10:48:02 +0000

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Your message dated Sun, 09 Oct 2016 03:46:59 -0700
with message-id <87y41xx0ik.fsf <at> secretsauce.net>
and subject line Re: bug#24584: 25.1; Without fringe-mode, search highlighting on long lines breaks
has caused the debbugs.gnu.org bug report #24584,
regarding 25.1; Without fringe-mode, search highlighting on long lines breaks
to be marked as done.

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help-debbugs <at> gnu.org.)


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From: Dima Kogan <dima <at> secretsauce.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.1; Without fringe-mode, search highlighting on long lines breaks
Date: Sat, 01 Oct 2016 14:05:36 -0700

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Hi.

I just found an unexpected interaction of fringe-mode and isearch. Let's
say you have the attached file (composed of random dictionary words on
two very long lines) called 'txt'. Then you

1. emacs -Q /tmp/txt
2. M-x toggle-truncate-lines
3. M-> (to go to end of buffer)
4. C-r threatened

As you type "threatened" letter by letter, you see the search jump to
the match, and the match is highlighted. This is correct. Now do

5. M-x fringe-mode no-fringes
6. M-> (to go to end of buffer)
7. C-r threatened

When you type "threatened" now, the behavior is correct through "th",
but when you hit "r", the buffer scrolls back to the beginning of the
line, and you can't see the match anymore.

I haven't done any debugging other than figuring out the exact thing
that makes it break: turning off fringe mode. If the exact cause isn't
obvious to somebody here, I'll debug it myself in a bit.

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From: Dima Kogan <dima <at> secretsauce.net>
To: 24584-done <at> debbugs.gnu.org
Subject: Re: bug#24584: 25.1;
 Without fringe-mode, search highlighting on long lines breaks
Date: Sun, 09 Oct 2016 03:46:59 -0700

Eli fixed it in 197a6bcc20cecba40b56ae478d42a33eb1e19d57

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