Subject: Re: bug#13767: 24.3.50; regression in highlighting of emacs-lisp-mode

From: Dmitry Gutov <[email-masked]>
Date: Wed, 20 Feb 2013 01:46:56 +0400

"Drew Adams" <[email-masked]> writes:

> emacs -Q
>  
> (add-hook 'emacs-lisp-mode-hook 'turn-on-font-lock)
>  
> M-x find-library register RET
>  
> Bug #13751 mentions that there is no highlighting (a regression).
>  
> M-x font-lock-mode RET
>  
> Now there is highlighting.  But search for this:
>  
> (defun point-to-register (register &optional arg)
>  
> The &optional is unhighlighted.  `C-u C-x =' confirms that there is no
> face on &optional.

Same here.

If I had to guess, it's probably due to Alan Mackenzie's changes in easy-mmode.