bug#22009: PATCH: Use `window-total-width' in `window-splittable-p'

[Eli Zaretskii]

> From: Joost Kremers <joostkremers@fastmail.fm>
> Cc: 22009@debbugs.gnu.org
> Date: Tue, 01 Dec 2015 13:59:36 +0100
> 
> > The only way is
> > to ask the modes themselves, or provide a hook for them to override
> > the decision.
> 
> I'm not sure that would be able to handle cases where different modes
> use the margins for different purposes.

I think this is the actual challenge in this bug report: design a way
that would make it possible.

Thanks.