Subject: 24.3.90; can not font-lock @ function
From: Leo Liu <[email-masked]>
To: [email-masked]
Date: Wed, 23 Apr 2014 21:55:08 +0800
List-Id: <debbugs-submit.debbugs.gnu.org>

Try this code snippet in emacs-lisp-mode and you should see the function
name after @ not font-locked:

(defun who-@-how ()
  )