bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text

[Paul Rankin]

martin rudalics <rudalics@gmx.at> on Tue, 09 Aug 2016 12:15 +0200:
> I share your opinion that "C-x 3 needs to work reliably for users
> without resorting to writing elisp".

Excellent.

> There you say:
> 
>     Someone seems to have made a very poor design
>     decision in changing the way window-min-size works.
> 
> Now with emacs -Q evaluate the following forms
> 
> (defun split-window-right-ignore (&optional size)
>    (interactive)
>    (split-window-right (or size (/ (window-total-width) 2))))
> 
> (define-key ctl-x-map "3" 'split-window-right-ignore)
> 
> (set-window-margins nil 20 20)
> 
> do C-x 3 and look at the resulting windows.  That's what I would call a
> "poor design decision".

https://gfycat.com/ZestyBeautifulEmeraldtreeskink

How about we maybe focus instead on solving this?