bug#38502: 27.0.50; minibuffer-scroll-other-window with multiple frames

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Date: Fri, 06 Dec 2019 02:02:53 +0200
> Cc: 38502@debbugs.gnu.org
> 
> >     C-x 3
> >     M-: (mak
> >     TAB for completions
> >     C-M-v
> 
> TAB and S-TAB should scroll the the completion buffer.  But what about C-M-v?
> Is it documented somewhere what buffer it's intended to scroll?

It should scroll the window returned by other-window-for-scrolling.