From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#28527: unexpected behaviour of char-after if argument is marker that don't point to the current buffer Date: Mon, 11 Nov 2019 04:00:14 +0100 Message-ID: <87k187qfr5.fsf@marxist.se> References: <83efr1fjwg.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="41271"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: Fritz Stelzer , 28527@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Nov 11 04:01:24 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iTzxD-000AZF-IP for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Nov 2019 04:01:23 +0100 Original-Received: from localhost ([::1]:48698 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iTzxC-000470-GF for geb-bug-gnu-emacs@m.gmane.org; Sun, 10 Nov 2019 22:01:22 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57359) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iTzww-00046i-02 for bug-gnu-emacs@gnu.org; Sun, 10 Nov 2019 22:01:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iTzwu-0005uL-16 for bug-gnu-emacs@gnu.org; Sun, 10 Nov 2019 22:01:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44147) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iTzws-0005u0-8W for bug-gnu-emacs@gnu.org; Sun, 10 Nov 2019 22:01:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iTzws-0001Yx-3s for bug-gnu-emacs@gnu.org; Sun, 10 Nov 2019 22:01:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Kangas Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 11 Nov 2019 03:01:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28527 X-GNU-PR-Package: emacs Original-Received: via spool by 28527-submit@debbugs.gnu.org id=B28527.15734412235945 (code B ref 28527); Mon, 11 Nov 2019 03:01:02 +0000 Original-Received: (at 28527) by debbugs.gnu.org; 11 Nov 2019 03:00:23 +0000 Original-Received: from localhost ([127.0.0.1]:52966 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iTzwF-0001Xp-CC for submit@debbugs.gnu.org; Sun, 10 Nov 2019 22:00:23 -0500 Original-Received: from host.gofardesign.uk ([208.79.239.190]:34693) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iTzwE-0001Xa-BH; Sun, 10 Nov 2019 22:00:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=marxist.se; s=default; h=Content-Type:MIME-Version:Message-ID:Date:References: In-Reply-To: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=s9l+eTbs2OvrS9dCfCGgIog0hoKNvzGg0TftM44QzGQ=; b=H+84yfMLEfpueSpk/Jpdqqvbyo 2alyHs5FnmdopBvaDEhHMOdYECMp17z1jxE2EDlnBjEoZGPprJB4JjriAFlRAuqclzWXXqVSsrGUh IRYZJSsFUIGbGWIlkbhhYniakSpdDIhTg4RcuQ1dfO3jrm4wKBz79VoylZxc2+YUfTW4=; Original-Received: from h-70-69.a785.priv.bahnhof.se ([155.4.70.69]:49248 helo=localhost) by host.gofardesign.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92) (envelope-from ) id 1iTzw8-0002hY-4s; Sun, 10 Nov 2019 21:00:16 -0600 In-Reply-To: <83efr1fjwg.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 20 Sep 2017 18:51:27 +0300") X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - host.gofardesign.uk X-AntiAbuse: Original Domain - debbugs.gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - marxist.se X-Get-Message-Sender-Via: host.gofardesign.uk: authenticated_id: stefan@marxist.se X-Authenticated-Sender: host.gofardesign.uk: stefan@marxist.se X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:171409 Archived-At: tags 28527 + notabug close 28527 thanks Eli Zaretskii writes: >> When the argument for char-after is a marker, the function gets bytepos from the buffer the marker is pointing >> to by calling marker_byte_position. But then pos_byte is compared to BEGV_BYTE and ZV_BYTE that use the >> current buffer. At the end of the function, pos_byte is passed to FETCH_CHAR, which also operates on the >> current buffer. > > This is according to the documentation, which explicitly says the > position is looked up in the current buffer. So this sounds like an > intentional and documented behavior. With the above explanation and no other comments within 2 years, I'm closing this as notabug. Best regards, Stefan Kangas