Subject: Comments need to start right at the # in GNU Makefile mode

From: Dan Jacobson <[email-masked]>
Date: Sun, 17 Sep 2023 02:57:28 -0500

$ cat Makefile
export mmm=nnn#ooo
ppp=qqq#rrr sss
#ttt
uuu=vvv #zzz
$ emacs -Q Makefile
On the first two lines comment colors don't show up.
emacs-version "29.1"