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bug#39901: Emacs needs to update window-width when the user updates the
From: |
Lars Ingebrigtsen |
Subject: |
bug#39901: Emacs needs to update window-width when the user updates the text size |
Date: |
Wed, 05 Aug 2020 16:51:31 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> I do: there's no bug here -- window-width is documented to return a
> value in terms of the frame's canonical character width (i.e. it uses
> the dimensions of the frame's default font). And that doesn't change
> when you change the font only for a single buffer.
>
> However, window-width can be asked to return the value in pixels, if
> someone wants that, and then one can compute the width in units of any
> other, larger or smaller, font.
>
> IOW, if some applications produce unexpected or unpleasant effects
> when the buffer text is resized, those applications need to be
> sensitive to such resizing. But changing the semantics of a veteran
> API like suggested here is a non-starter, as it would definitely break
> gobs of existing code.
Yeah, that's true. I had completely forgotten that C-x C-+ only affects
the current buffer, so resizing the window on that command would be
nonsensical.
So I'm closing this bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no