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bug#36283: 27.0.50; hl-line-mode updates the wrong window after clone-in
From: |
Lars Ingebrigtsen |
Subject: |
bug#36283: 27.0.50; hl-line-mode updates the wrong window after clone-indirect-buffer |
Date: |
Mon, 01 Feb 2021 10:31:42 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Noam Postavsky <npostavs@gmail.com> writes:
> Matthew Newton <matt@knosis.org> writes:
>
>> In GUI Emacs on MacOS:
>>
>> emacs -Q
>> M-x hl-line-mode
>> C-p
>> M-x clone-indirect-buffer
>> C-p
>>
>> The highlighted line moves in the inactive window and does not move
>> in the active window.
>>
>> I tested this on Emacs 24.5 from https://emacsformacosx.com/ so it
>> doesn’t appear to be recent or specific to my build.
>>
>> Note that if global-hl-line-mode is active, it works as expected,
>> highlighting the line in the active window.
>
> I guess hl-line-mode needs to add an entry to clone-indirect-buffer-hook
> (and clone-buffer-hook; clone-buffer seems to have the same problem)
> to handle copying of hl-line-overlay.
I'm not sure it's a bug, though? `hl-line-mode' switches on
highlighting in one specific buffer. An indirect buffer is a new
buffer, and if you want line highlighting there, you should switch it on
there, I think? Automatically switching on the mode in the indirect
buffer would be surprising, I think.
So I'm closing this bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- bug#36283: 27.0.50; hl-line-mode updates the wrong window after clone-indirect-buffer,
Lars Ingebrigtsen <=