Subject: don't throw away what the user entered when he should enter a non-directory file name

From: 積丹尼 Dan Jacobson <[email-masked]>
Date: Thu, 31 Aug 2017 04:14:15 +0800

o runs the command gnus-mime-save-part.

If one enters just /tmp
then one sees
"Please enter a non-directory file name"
which is fine, except it *throws away /tmp*,
and we have to enter /tmp/a instead of just continuing with /a .

Gnus v5.13
GNU Emacs 25.2.2 (x86_64-pc-linux-gnu, GTK+ Version 3.22.17)
 of 2017-08-01, modified by Debian