bug#1077: 23.0.60; x-create-frame: (wrong-type-argument number-or-marker-p nil)

[martin rudalics]

> It's not the design.

By design a minibuffer is a special buffer and a minibuffer window is a
special window.  The concepts of a standalone minibuffer window are
mostly unchanged from that of a minibuffer window attached to a normal
frame.

> Simply, no one bothered to solve the
> difficulties that are related to having menu bars in minibuffer-only
> frames.  The function set_menu_bar_lines, which handles changes in the
> menu-bar-lines frame parameter, has this fragment right at its
> beginning:
>
>   /* Right now, menu bars don't work properly in minibuf-only frames;
>      most of the commands try to apply themselves to the minibuffer
>      frame itself, and get an error because you can't switch buffers
>      in or split the minibuffer window.  */

You either have to redesign the concept of minibuffer windows or work
around the design.  Both tasks seem non-trivial to me.  "Right now" is
just another way to express that.

martin