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Re: Window splitting issues with margins

From: Eli Zaretskii
Subject: Re: Window splitting issues with margins
Date: Mon, 16 Nov 2015 17:53:27 +0200

> From: Joost Kremers <address@hidden>
> Date: Sat, 14 Nov 2015 21:34:09 +0100
> Cc: martin rudalics <address@hidden>, address@hidden
> It's just that I think both issues could be solved by the same
> mechanism: allowing a (minor) mode to lock the margins to a certain
> minimum width. window-splittable-p could then assume that those parts of
> the margins that are not locked can be reduced along with the text area,
> unlike now, where the underlying assumption seems to be that if the
> margins are > 0, there's probably a reason for it and they shouldn't be
> reduced.
> At the same time, it would allow linum-mode and writeroom-mode to play
> nice together: instead of setting the margin to the size it requires for
> line numbers, linum-mode could set a minimum size, allowing other
> packages to make them wider. writeroom-mode then would not be allowed to
> set margins to less than the minimum size.

But this will only work in a very special case: when only one mode
actually displays something in the margin.  Once another mode wants to
put something there, all bets are off.  Right?

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