GNU bug report logs - #9288
23.3; next-line when global-visual-line, highlight-parentheses and global-hl-line are active

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Message #13 received at 9288-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Philipp Müller <descpl <at> yahoo.de>,
 9288-done <at> debbugs.gnu.org
Subject: Re: bug#9288: 23.3; next-line when global-visual-line,
 highlight-parentheses and global-hl-line are active
Date: Fri, 11 Oct 2019 03:34:27 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Date: Fri, 12 Aug 2011 17:37:44 +0200
>> From: Philipp Müller <descpl <at> yahoo.de>
>>
>> * start emacs -Q
>> * M-x global-visual-line-mode
>> * M-x global-hl-line-mode
>> * M-x load-file <RET> /path/to/highlight-parentheses.el
>> (highlight-parentheses.el is here:
>> * M-x set-variable <RET> scroll-step <RET> 1
>>
>> * create a file that has a very long line that has to be wrapped and add
>>   many short lines thereafter, such that the whole file won't fit into
>>   one window
>>
>> * move point to beginning of document and keep scrolling down by holding
>>   C-n
>>
>> At a certain point, the point will just cycle from the bottom of the
>> window to the middle of the window. This point is reached when the long,
>> wrapped line has some part that is not displayed anymore and some part
>> that is displayed anymore. I.e. like follows:
>>
>> +--------------------------------------+
>> |...this is the last stuff of the long,|
>> | wrapped line. the points indicate    |
>> |that it had a beginning that is not   |
>> |displayed anymore.                    |
>> |short line                            |
>> |short line                            |
>> |short line                            |
>> +--------------------------------------+
>>
>> If the point reaches the bottom line and you try C-n, it jumps to the
>> middle of the window.
>
> I cannot reproduce this.
>
> You didn't say where did you get highlight-parentheses.el from,
> exactly.  (I used some version I found on the net.)  For full
> reproducibility, please also attach the precise file you used in your
> recipe.
>
> Thanks.

More information was requested, but none was given within 8 years, so
I'm closing this bug.  If this is still an issue, please reopen the bug
report.

Best regards,
Stefan Kangas

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