GNU bug report logs - #44483
27.1.50; Window parameter `min-margins' doesn't split window in half

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From: Stefan Kangas <stefan <at> marxist.se>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Joost Kremers <joostkremers <at> fastmail.fm>, 44483 <at> debbugs.gnu.org
Subject: bug#44483: 27.1.50; Window parameter `min-margins' doesn't split window in half
Date: Mon, 11 Oct 2021 05:35:37 -0700

martin rudalics <rudalics <at> gmx.at> writes:

>> AFAIR, the first time I heard about the `min-margins' parameter was when I
>> looked at the release notes of Emacs 25 after it came out. I don't remember why
>> I didn't try it out immediately, but after that, I probably forgot about it,
>> until a bug report I got a week ago.
>>
>> Paul Rankin did add `min-margins' to his `olivetti' package, but he didn't
>> remove the pre-25 workaround that uses the `split-window' window parameter, so
>> the problem probably never showed up.
>
> You're right.  It was Paul, who said that he didn't need 'min-margins'
> and never reported whether they worked at all.  Sorry for the confusion
> but I lost my recordings of past conversations.
>
>>> In Emacs 28 I intend to remove sanity checks entirely and always
>>> auto-shrink margins when they don't fit into a window any more.  Windows
>>> will also have a configurable minimum body width so the behavior seen
>>> now where the entire buffer text disappears can be easily avoided.
>>
>> OK, so yet another way of doing things. :-) Sounds like it would make my life a
>> little easier, though.
>
> It's pretty hard to accommodate all expectations here.  Consider a user
> who wants line numbers to remain visible even if everything else has
> disappeared after a window has shrunk: With line numbers displayed in
> margins, margins should prevail.  With display-line-numbers, buffer text
> should prevail.  A minimum body width will help users to make that
> decision.  Yet users still have to interfere "manually" in order to
> communicate their intentions to Emacs.
>
>> Feel free to let me know when you implement it. I don't normally follow
>> development that closely, but in this case I'd be interested to test the new way
>> of doing things before the official release.
>
> I'll send you a patch as soon as I consider it stable enough.

That was in November last year.  Any news here?

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