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bug#45926: Tabulated-list-mode wasteful properties
From: |
Stefan Kangas |
Subject: |
bug#45926: Tabulated-list-mode wasteful properties |
Date: |
Tue, 20 Apr 2021 22:35:53 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Stefan Kangas <stefan@marxist.se> writes:
> Boruch Baum <boruch_baum@gmx.com> writes:
>
>>> Borouch, did you have the time to look into if this data is indeed
>>> shared or not? Thanks.
>>
>> Oh. I thought I had done that right away ...
>>
>> Doing it again now. Yes. It's very simple to check for yourself. Open a
>> buffer that uses the mode and evaluate from any table line ...
>>
>> (buffer-substring (line-beginning-position) (line-end-position))
>>
>> You should be able to clearly see all the duplication. It's easiest when
>> you have pretty-print set up to display the output in a dedicated
>> buffer, but even without that you can isearch through the duplications.
>
> I think the interesting question is if that data is duplicated in memory
> or if these are just pointers to the same shared data.
>
> I would try modifying this data with something like `setcdr' to see if
> it updates everywhere -- if the answer yes, then this data is shared and
> there is no problem here.
More information was requested, but none was given within 5 weeks, so
I'm closing this bug.
If anyone can provide further information on this issue to show that
there is a bug here, please reply to this email (use "Reply to all" in
your email client) and we can reopen the bug report.
- bug#45926: Tabulated-list-mode wasteful properties,
Stefan Kangas <=