Subject: perl mode vs. /./
From: 積丹尼 Dan Jacobson <[email-masked]>
To: [email-masked]
Date: Thu, 27 Mar 2014 16:25:26 +0800
List-Id: <debbugs-submit.debbugs.gnu.org>

$ cat o.pl
print for /./; #why is the rest of this line in this color?
$ emacs o.pl