From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#43598: replace-in-string: finishing touches Date: Fri, 25 Sep 2020 12:21:45 +0300 Message-ID: <834knmtdna.fsf@gnu.org> References: <77CD28C7-77C0-4DED-ACD0-21418489BADE@acm.org> <87k0wiub35.fsf@gnus.org> <87ft76u5l6.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21416"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mattiase@acm.org, 43598@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Sep 25 11:22:10 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 1kLjve-0005Ri-47 for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 25 Sep 2020 11:22:10 +0200 Original-Received: from localhost ([::1]:51674 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kLjvd-0002mS-4P for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 25 Sep 2020 05:22:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58804) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kLjvW-0002kd-Ib for bug-gnu-emacs@gnu.org; Fri, 25 Sep 2020 05:22:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59336) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kLjvW-0000aR-9F for bug-gnu-emacs@gnu.org; Fri, 25 Sep 2020 05:22:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kLjvW-0006W4-5p for bug-gnu-emacs@gnu.org; Fri, 25 Sep 2020 05:22:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 25 Sep 2020 09:22:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 43598 X-GNU-PR-Package: emacs Original-Received: via spool by 43598-submit@debbugs.gnu.org id=B43598.160102570325004 (code B ref 43598); Fri, 25 Sep 2020 09:22:02 +0000 Original-Received: (at 43598) by debbugs.gnu.org; 25 Sep 2020 09:21:43 +0000 Original-Received: from localhost ([127.0.0.1]:42640 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kLjvC-0006VE-U3 for submit@debbugs.gnu.org; Fri, 25 Sep 2020 05:21:43 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:51896) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kLjvB-0006Uz-2d for 43598@debbugs.gnu.org; Fri, 25 Sep 2020 05:21:41 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:51543) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kLjv5-0000Z0-H9; Fri, 25 Sep 2020 05:21:35 -0400 Original-Received: from [176.228.60.248] (port=4253 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kLjv4-0007Vr-Sw; Fri, 25 Sep 2020 05:21:35 -0400 In-Reply-To: <87ft76u5l6.fsf@gnus.org> (message from Lars Ingebrigtsen on Fri, 25 Sep 2020 01:18:13 +0200) 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:188932 Archived-At: > From: Lars Ingebrigtsen > Date: Fri, 25 Sep 2020 01:18:13 +0200 > Cc: 43598@debbugs.gnu.org > > So: "a\377ø" is a multibyte string with five bytes (the "raw byte" is in > the private plane). > > "a\377a" is a unibyte string with three bytes. > > So searching for "\377" (one-byte unibyte string) and (make-string 1 > 255) (two-byte multibyte string) should be well-defined in either > combination here? > > "\377" is in both "a\377ø" and "a\377a". > > (make-string 1 255) is in neither "a\377ø", nor "a\377a". > > And: > > (eq (elt (make-string 1 255) 0) (elt "\377" 0)) > => t Would it help to always convert the first argument of replace-in-string to a multibyte string, before replacing?