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

From: Michael Heerdegen <[email-masked]>
Date: Sat, 27 Nov 2021 15:54:48 +0100

Gregory Heytings <[email-masked]> writes:

> Moreover I want to keep the C-u prefix free for later use.

I accept that argument.  Still, do we raise an error in similar cases?
But I won't argue about that detail...

Michael.