bug#25946: 26.0.50; display-buffer ignores ignores reusable-frames in display-buffer-alist

[Jens Lechtenboerger]

On 2017-03-03, martin rudalics wrote:

> Please try with
>
> (customize-set-variable
>  'display-buffer-alist
>  '(("\\*shell\\*"
>     (display-buffer-reuse-window display-buffer-pop-up-frame)
>     (reusable-frames . t))))

Yes, that does it.

> I think that
>
>  -- Function: display-buffer-pop-up-frame buffer alist
>      This function creates a new frame, and displays the buffer in that
>      frame's window.
>
> is quite clear in the sense that it does not talk about reusing windows
> or frames.  But please feel free to suggest improvements.

Indeed.  Nevertheless that function seemed to be the closest
candidate coming from the documentation on obsolete functionality
for special frames.

> Please read also this
>
>      If ALIST contains a `pop-up-frame-parameters' entry, the associated
>      value is added to the newly created frame's parameters.

I did.  At what are you hinting?  I believe that for users this text
is not of much help as the Emacs manual contains next to nothing on
frame parameters but points to the elisp manual.

Thanks for your help
Jens