bug#13594: Planning Emacs-24.4

[Leo Liu]

On 2013-11-18 18:46 +0800, martin rudalics wrote:
> Why didn't you implement the may-fail part?  IIUC `display-buffer'
> should *not* return nil unless may-fail has been set.  So if may-fail is
> not set, `display-buffer' should either create a new window, a new
> frame, or reuse some window at any cost.
>
> And there's no use for `display-buffer' returning t.
>
> martin

t was just a value to stop display-buffer searching down the action
list. this seems enough to manage display-buffer via
display-buffer-alist or the like.

But I'll wait for Stefan to explain what his intention is.

Leo