From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: handa Newsgroups: gmane.emacs.bugs Subject: bug#46933: Possible bugs in filepos-to-bufferpos / bufferpos-to-filepos Date: Fri, 02 Apr 2021 00:14:02 +0900 Message-ID: <87sg4arq9x.fsf@gnu.org> References: <9cff0f8894f167925251@heytings.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39891"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gregory@heytings.org, 46933@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 01 17:15:12 2021 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 1lRz2N-000ACs-Qc for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 01 Apr 2021 17:15:11 +0200 Original-Received: from localhost ([::1]:59444 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRz2M-0004rp-Cj for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 01 Apr 2021 11:15:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43738) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRz2E-0004re-E7 for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 11:15:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46745) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lRz2E-0001pH-6r for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 11:15:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lRz2E-0002ux-2b for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 11:15:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: handa Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 01 Apr 2021 15:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 46933 X-GNU-PR-Package: emacs Original-Received: via spool by 46933-submit@debbugs.gnu.org id=B46933.161729006111149 (code B ref 46933); Thu, 01 Apr 2021 15:15:02 +0000 Original-Received: (at 46933) by debbugs.gnu.org; 1 Apr 2021 15:14:21 +0000 Original-Received: from localhost ([127.0.0.1]:58291 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRz1Z-0002tl-FC for submit@debbugs.gnu.org; Thu, 01 Apr 2021 11:14:21 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:50588) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRz1X-0002tZ-SJ for 46933@debbugs.gnu.org; Thu, 01 Apr 2021 11:14:20 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:56391) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRz1S-0001LA-HD; Thu, 01 Apr 2021 11:14:14 -0400 Original-Received: from fl1-60-236-248-230.iba.mesh.ad.jp ([60.236.248.230]:52076 helo=shatin) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lRz1K-0006vS-Bd; Thu, 01 Apr 2021 11:14:13 -0400 Original-Received: from handa by shatin with local (Exim 4.93) (envelope-from ) id 1lRz1G-0008MN-CF; Fri, 02 Apr 2021 00:14:02 +0900 In-Reply-To: <83tuovmivc.fsf@gnu.org> (message from Eli Zaretskii on Sun, 28 Mar 2021 17:51:35 +0300) 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:203430 Archived-At: In article <83tuovmivc.fsf@gnu.org>, Eli Zaretskii writes: > > Any coding system can have :post-read-conversion and > > :pre-write-conversion functions, it is not guaranteed that encoded byte > > length is greater than the number of characters. > Agreed, but AFAICT, ISO-2022-JP doesn't have any of these attributes, > right? Yes, but one can add them by coding-system-put. By the way, what is the intention of filepos-to-bufferpos? Why that function was introduce? --- K. Handa handa@gnu.org