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bug#41860: 27.0.91; Can't use `tabulated-list-(narrow|widen)-current-col


From: Stefan Kangas
Subject: bug#41860: 27.0.91; Can't use `tabulated-list-(narrow|widen)-current-column' on last column
Date: Sun, 18 Oct 2020 17:37:05 -0700
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Drew Adams <drew.adams@oracle.com> writes:

>> > Use command `buffer-menu' and then try to narrow or widen the rightmost
>> > column (the file name).  `{' and `}' have no effect (and there isn't
>> > even any error message or other feedback).
[...]
>> > This is an important use case, especially with a frame or window whose
>> > width is made to fit the displayed content.
>>
>> This seems to imply that the use case in which this is somehow an
>> issue includes more than you've reported.  Can you add to your
>> description the minimal configuration that could explain why this
>> behavior seemed to be a problem?
>
> There's no separate requirement.  Users should be
> able to limit the width of the last column, just
> as they can limit the width of any other column.
> That's all.
>
> I gave an example, and a recipe for it, using
> buffer-menu.  If you want to show the file-name
> column with only a limited width, then that
> should be possible.  Especially now that we've
> added the ability to interactively widen and
> narrow column incrementally.
>
> In the buffer list, if you have 10 buffers, and
> only two of them are file buffers, and you don't
> care to see the entire file names but instead
> want to limit the width of that last column, you
> should be able to do so.  Instead, it takes up
> most of the table, even when you don't need to
> see all of it.  You should be able to expand and
> contract its width, just as you can for other
> columns.

May I ask why you feel that this would be a useful feature?  I have a
hard time understanding it since it's not something I can see myself
wanting to do.

Generally speaking, if a buffer extends beyond the window to the right,
I just never see that text, which in some sense is the same as if the
column had been narrowed.  And if there's extra room in the window, it
might as well be used for something instead of just being empty.





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