Subject: bug#25179: 26.0.50; Dired doesn't preserve window height

From: Liu Hui <[email-masked]>
Date: Mon, 12 Dec 2016 13:14:33 +0800

1. Emacs -Q
2. C-x 2
3. M-x dired
4. press 'm' to mark two or more files
5. press 'D'
    => the window below becomes larger
6. answer 'no'
    => the window height is not restored

The problem is not found with dired on Emacs 24.5.

In GNU Emacs 26.0.50.2 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9)
  of 2016-12-10 built on lgw01-57
Windowing system distributor 'The X.Org Foundation', version 11.0.11804000
System Description:	Ubuntu 16.04.1 LTS