Re: Stop frames stealing eachothers' minibuffers!

[Eli Zaretskii]

> Date: Sat, 20 Mar 2021 12:24:55 +0000
> Cc: rudalics@gmx.at, monnier@iro.umontreal.ca, jakanakaevangeli@chiru.no,
>   emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> So, when a new frame is created (possibly with emacsclient), and there
> are now exactly two frames, we want to copy any minibuffers from the
> other frame to the new one when that other frame is the initial frame.
> 
> I still can't find a way of identifying the initial frame for sure - it
> lacks a 'display frame parameter, but so do ordinary frames on a tty.  It
> lacks a 'client frame parameter, but so do ordinary frames when Emacs is
> started normally and M-x server-start invoked.
> 
> Would it, perhaps, be useful to add another frame parameter
> 'initial-frame to identify this frame?

Can you tell how you are trying to "identify this frame"?  I'm afraid
I don't see what is your difficulties in this regard.