Subject: Re: bug#50900: 27.2; Evaluating open-line with a negative argument changes the behavior of self-insert

From: Gregory Heytings <[email-masked]>
Date: Wed, 29 Sep 2021 21:07:55 +0000

A recipe:

emacs -Q
M-: (open-line -1)
C-x o
foobar

IOW, do not quit the debugger.  That "bug" was not present in Emacs 24, it 
exists in Emacs 25 and later.  But I'm not sure it qualifies as a "bug".