bug#51883: 29.0.50; Command to get accidentally deleted frames back

[Eli Zaretskii]

> Date: Sat, 27 Nov 2021 14:12:56 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: Eli Zaretskii <eliz@gnu.org>, 51883@debbugs.gnu.org, juri@linkov.net
> 
> > Let's help him and be clear: this means using just (interactive "p") 
> > without any distinction of cases, right?
> 
> No, because I do not want to see C-u C-x 5 u undelete the fourth most 
> recently deleted frame.

Why not?  It's the natural meaning of a bare C-u.  E.g., C-f behaves
like that.