bug#38818: Dired: mention deleting buffers, not just windows

[Eli Zaretskii]

> From: Pieter van Oostrum <pieter-l@vanoostrum.org>
> Date: Sun, 05 Jan 2020 09:06:48 +0100
> Cc: michael_heerdegen@web.de, Dan Jacobson <jidanni@jidanni.org>,
>  38818@debbugs.gnu.org
> 
> And, by the way, that message arrived here with the CJK characters in Dan 
> Jacobson's name mangled. Whereas the normally are 積丹尼, they now are <some 
> unprintable characters>, and message-send-mail crashes on it.

Please report this as a separate bug, and please include the offending
email message (as an attachment) with your report.

Thanks.