From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#24542: 25.1.50; The symbol `@' and sexp scanning Date: Fri, 04 Sep 2020 15:05:36 +0200 Message-ID: <874kodbskf.fsf@gnus.org> References: <8760pj27wm.fsf@web.de> <87o9zptn3r.fsf@web.de> <87zij95hbr.fsf@users.sourceforge.net> <87pok48g65.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35712"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 24542@debbugs.gnu.org, npostavs@users.sourceforge.net To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Sep 04 15:06:10 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kEBPu-0009DO-Gd for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 04 Sep 2020 15:06:10 +0200 Original-Received: from localhost ([::1]:41160 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kEBPt-0003ji-JU for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 04 Sep 2020 09:06:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42970) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kEBPn-0003jI-E0 for bug-gnu-emacs@gnu.org; Fri, 04 Sep 2020 09:06:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54639) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kEBPm-0001Uq-Gj for bug-gnu-emacs@gnu.org; Fri, 04 Sep 2020 09:06:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kEBPm-0002mb-6L for bug-gnu-emacs@gnu.org; Fri, 04 Sep 2020 09:06:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 04 Sep 2020 13:06:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24542 X-GNU-PR-Package: emacs Original-Received: via spool by 24542-submit@debbugs.gnu.org id=B24542.159922475710681 (code B ref 24542); Fri, 04 Sep 2020 13:06:02 +0000 Original-Received: (at 24542) by debbugs.gnu.org; 4 Sep 2020 13:05:57 +0000 Original-Received: from localhost ([127.0.0.1]:37951 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kEBPg-0002mD-Tz for submit@debbugs.gnu.org; Fri, 04 Sep 2020 09:05:57 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:48552) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kEBPe-0002lt-OQ for 24542@debbugs.gnu.org; Fri, 04 Sep 2020 09:05:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=sces856w0oNiv4tb0+sR+srOTvx6BgXc+hOkQjP8FJ4=; b=iffRise5+Po1oOdM4Tv17vgU9J Rs0RlScBdjQ+7BYsYJZ5ERXeMYQUasn4un8Jg2cMTGP8L+9R7oqBwrCOW5E4NUSZfIdXRb/JKH3yc nB/W62l+MquMwTx5uYKqufyLtlknGt4zyGVI0AjwteH9L/F1QuI9dtRDD43S9l+M7jk0=; Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=xo) by quimby with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kEBPN-0007re-U2; Fri, 04 Sep 2020 15:05:48 +0200 X-Now-Playing: Meg Baird & Mary Lattimore's _Ghost Forests_: "Fair Annie" In-Reply-To: <87pok48g65.fsf@web.de> (Michael Heerdegen's message of "Tue, 03 Jan 2017 13:46:26 +0100") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:187126 Archived-At: Michael Heerdegen writes: > Thanks for the patch. Can anyone judge whether we can do this? I tried the patch, and it fixes the (setq a '@) problem for me. I don't really have a great overview of where scan_lists is used for -- it seems like a very general solution to a very specific problem. Does anybody have any comments here? diff --git a/src/syntax.c b/src/syntax.c index 7f0fc341f6..10912dd5f2 100644 --- a/src/syntax.c +++ b/src/syntax.c @@ -2693,7 +2693,17 @@ scan_lists (EMACS_INT from0, EMACS_INT count, EMACS_INT depth, bool sexpflag) } if (prefix) - continue; + { + int next_c = FETCH_CHAR_AS_MULTIBYTE (from_byte); + int next_syntax = SYNTAX_WITH_FLAGS (next_c); + bool next_prefix = SYNTAX_FLAGS_PREFIX (next_syntax); + enum syntaxcode next_code = + syntax_multibyte (next_c, multibyte_symbol_p); + if (next_prefix + || next_code == Ssymbol + || next_code == Sword) + continue; + } switch (code) { -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no