Re: Change the default behaviour when 2 files are open

[Bastien]

"Francis Moreau" <francis.moro@gmail.com> writes:

> I'd like it to be splitted intto 2 vertical windows instead.
>
> Coud anybody give me a hint ?

M-x customize-variable RET split-window-preferred-function RET

Quoting the docstring: 

  This variable was introduced, or its default value was changed, in
  version 23.1 of Emacs.

-- 
Bastien