GNU bug report logs - #21449
Emacs lisp mode: incorrect fontification of symbols containing escaped characters.

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Message #20 received at 21449 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 21449 <at> debbugs.gnu.org
Subject: Re: Emacs lisp mode: incorrect fontification of symbols containing
 escaped characters.
Date: Thu, 31 Oct 2019 18:00:32 +0100

Alan Mackenzie <acm <at> muc.de> writes:

>           ;; Constant values.
> -         ("\\_<:\\(?:\\sw\\|\\s_\\)+\\_>" 0 font-lock-builtin-face)
> +         ("\\_<:\\(?:\\sw\\|\\s_\\|\\\\.\\)+\\_>" 0 font-lock-builtin-face)

This code has changed a lot since this was reported:

         ;; Constant values.
         (,(concat "\\_<:" lisp-mode-symbol-regexp "\\_>")
          (0 font-lock-builtin-face))

But:

lisp-mode-symbol-regexp
=> "\\(?:\\sw\\|\\s_\\|\\\\.\\)+"

So it basically looks like this was added in some form or other, and the
test case fontifies correctly for me now, so I'm going to go ahead and
guess that this works as it's supposed to now, and I'm closing this bug
report.

Please reopen if it's still an issue.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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