bug#9350: 23.3; File menu should contain "split window horizontally C-x 3"

[martin rudalics]

>>> PS: One thing that annoys me in the current working of split-window: it
>>> doesn't let you say which window (the top or the bottom) is the new one.
>> The new one is that returned by `split-window', as before.
>
> No, that's not the issue.  It's not about "which window (the
> selected-window or the returned window) is the new one" it's "which
> window (the top one or the bottom one)".
>
> And the issue is not "tell me which it is" but "I want to control which
> one it should be".

Sorry.  I'm missing you here.

> No, here's the scenario: you have a dedicated window, and you want to
> create a new window above that one: split-window won't work because it
> will always create the new window below.

Do you mean that

(let (new)
  (set-window-dedicated-p (selected-window) t)
  (setq new (split-window nil nil 'above))
  (set-window-buffer new "*Messages*"))

doesn't do that?

martin