Re: Prefer to split along the longest edge

[Juri Linkov]

>> Sorry, I lost you: what does display-buffer-pop-up-window have to do
>> with the subject of this thread?  I'm probably missing something.
>
> 'display-buffer-pop-up-window' calls 'window--try-to-split-window' which
> calls 'split-window-preferred-function' whose default value is
> 'split-window-sensibly' - the function whose behavior we are talking
> about here.  Presently, this is the only way 'split-window-sensibly'
> gets called in the Emacs sources.

Maybe instead of adding a new option 'split-window-preferred-direction',
another new option would be more general than 'split-window-preferred-function',
and will specify a function that defines a window to split and splits it:
either vertically or horizontally.