Subject: bug#39680: Test case

From: Kévin Le Gouguec <[email-masked]>
Date: Wed, 20 May 2020 00:26:42 +0200

(Removing [email-masked] from the CC list; sorry for this
blunder.)

Kévin Le Gouguec <[email-masked]> writes:

> Finally nailed it, after finding out about ert-simulate-command.
>
> The following patch adds a test that passes on master and emacs-27, and
> "successfully fails" when reverting Stefan's fix (commit c1ce9fa7f2).