bug#6204: vc-dir always splits the frame

[martin rudalics]

> I'd force display-buffer-reuse-frames to t and forget about it ;-)

So make it obsolete?

>> I suppose these are the values for all buffers not mentioned by
>> `special-display-regexps'.
>
> Pretty much, yes.
>
>> What if `pop-up-windows' is nil and "default-params" indicates that
>> the application wants to pop up a window (but does not insist).
>> Probably `pop-up-windows' should prevail in this case.
>
> No, the application's choice should prevail because it's more specific.

I thought the idea was that an application can override a user's
customizations iff it explicitly states that.

So should `pop-up-windows' be considered a "weaker" option than
`special-display-regexps' wrt the argument of `display-buffer'?

martin