Subject: M-x man grep weird lines
From: 積丹尼 Dan Jacobson <[email-masked]>
To: [email-masked]
Date: Fri, 01 Feb 2019 07:17:17 +0800
List-Id: <debbugs-submit.debbugs.gnu.org>

$ emacs -nw -q
M-x man grep
Do you see those weird lines?
(Also test without -nw too.)