Re: split-window-preferred-function

[martin rudalics]

> Of course, I already noticed that this part is eligible for optimization
> in one `or', but I decided to try writing a close equivalent of
> C code in Lisp, so it would be easier to put both versions side-by-side
> (in horizontally split windows ;-) and compare their logics.  And I wrote
> about this fact in the docstring as:
>
>   This function tries to match the implementation of vertical splitting
>   in `display-buffer' as close as possible but with the logic of
>   horizontal splitting.
>
> Not a big deal, I think.

You already wrote one third of `display-buffer' in Elisp.  What do you
think about rewriting the rest too?