bug#59918: 29.0.60; query-replace in the minibuffer lazy-highlights original buffer

[Eli Zaretskii]

> Cc: 59918@debbugs.gnu.org
> From: Juri Linkov <juri@linkov.net>
> Date: Mon, 12 Dec 2022 19:43:25 +0200
> 
> >> 1. (setq enable-recursive-minibuffers t)
> >> 1. M-! is C-a
> >> 2. M-% is
> >>
> >> Matches are lazy-highlighted in the original buffer,
> >> but the replacement is going to be used to replace
> >> matches in the minibuffer.
> >
> > I guess this happens because minibuffer-selected-window returns the
> > original buffer.  I think this patch does the trick?
> 
> We need to wait until Eli decides whether to install this
> to emacs-29 or master.

I admit that I don't understand the patch.  minibuffer-selected-window
returns a window, not a buffer, and it returns the window that you
didn't want, AFAIU.

Or maybe I don't understand the root cause -- could one of you please
elaborate on what happens and why this is the right patch?

Also, was this code introduced in Emacs 28/29 or earlier?

Thanks.