Re: display-buffer change

[martin rudalics]

> Split an emacs frame in two windows showing buffers A and B:
>
>    +-------------+
>    |             |
>    |      A      |
>    |             |
>    +-------------+
>    |             |
>    |      B      |
>    |             |
>    +-------------+
>
> While in the lower window, run
>
>     (set-window-dedicated-p (selected-window) t)
>
> Now, in the upper window, run
>
>     (display-buffer "C")
>
> In Emacs 21, this will be the result:
>
>    +-------------+
>    |      A      |
>    +-------------+
>    |      C      |
>    +-------------+
>    |             |
>    |      B      |
>    |             |
>    +-------------+
>
> In Emacs 22, this will be the result:
>
>    +-------------+
>    |             |
>    |      C      |
>    |             |
>    +-------------+
>    |             |
>    |      B      |
>    |             |
>    +-------------+
>
> In Emacs 22 with split-heigh-threshold=10, this will be the result:
>
>    +-------------+
>    |             |
>    |      A      |
>    |             |
>    +-------------+
>    |      B      |
>    +-------------+
>    |      C      |
>    +-------------+
>
> I'm not sure how well this will work for me in practice, but I think
> at least it's an improvement.

It's awful.  We could have `display-buffer' call `get-lru-window' and
`get-largest-window' with the second argument nil.