bug#3276: 23.0.93; doc for minibuffer-frame-alist

>  Alist of parameters for initial minibuffer frame.
>  You can set this in your init file; for example,
 
>   (setq minibuffer-frame-alist
>         '((top . 1) (left . 1) (width . 80) (height . 2)))
 
>  Parameters specified here supersede the values given in
>  `default-frame-alist', for a minibuffer frame.
 
> But this option is *only* for a standalone minibuffer frame, and such
> a frame must have this frame parameter: (minibuffer . only).  So that
> example is a bad one.

No: the (minibuffer . only) part will be added automatically.
 
> What does "if such a frame is needed" mean here?

If the current terminal doesn't have any minibuffer (all the frame are
minibuffer-less). then a minibuffer-only frame is automatically created
(using the settings in minibuffer-frame-alist).


        Stefan