Subject: bug#21746: 24.5; purpose of dired-keep-marker-copy?

From: Juri Linkov <[email-masked]>
Date: Thu, 29 Oct 2015 02:14:18 +0200

> Yes, I already mentioned that earlier.  Specifically `C-u M-DEL',
> if you want to remove all marks of any kind.

Have you really tried `C-u M-DEL'?  I see this error:

dired-unmark-all-files: Symbol’s value as variable is void: query

A bug?