From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#40216: 28.0.50; Misinformation in isearch char-fold Date: Fri, 27 Mar 2020 10:24:27 +0300 Message-ID: <83pncy8dlg.fsf@gnu.org> References: <87y2rppddp.fsf@mail.linkov.net> <87imiskzc6.fsf@mail.linkov.net> <83d08z9os5.fsf@gnu.org> <87ftdud8gj.fsf@mail.linkov.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="68217"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 40216@debbugs.gnu.org, rpluim@gmail.com To: Juri Linkov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Mar 27 08:25:17 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 1jHjMj-000Hdu-7w for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 27 Mar 2020 08:25:17 +0100 Original-Received: from localhost ([::1]:37962 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jHjMi-0000w6-4K for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 27 Mar 2020 03:25:16 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54009) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jHjMV-0000vz-Iu for bug-gnu-emacs@gnu.org; Fri, 27 Mar 2020 03:25:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jHjMU-0001b9-Ie for bug-gnu-emacs@gnu.org; Fri, 27 Mar 2020 03:25:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54503) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jHjMU-0001YF-Bq for bug-gnu-emacs@gnu.org; Fri, 27 Mar 2020 03:25:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jHjMU-00051m-7a for bug-gnu-emacs@gnu.org; Fri, 27 Mar 2020 03:25:02 -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, 27 Mar 2020 07:25:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40216 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 40216-submit@debbugs.gnu.org id=B40216.158529387319286 (code B ref 40216); Fri, 27 Mar 2020 07:25:02 +0000 Original-Received: (at 40216) by debbugs.gnu.org; 27 Mar 2020 07:24:33 +0000 Original-Received: from localhost ([127.0.0.1]:60475 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jHjM1-000510-Kx for submit@debbugs.gnu.org; Fri, 27 Mar 2020 03:24:33 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:37483) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jHjM0-00050k-9j for 40216@debbugs.gnu.org; Fri, 27 Mar 2020 03:24:32 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:51843) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jHjLu-0004c9-Tw; Fri, 27 Mar 2020 03:24:27 -0400 Original-Received: from [176.228.60.248] (port=4849 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jHjLt-0006f1-Ns; Fri, 27 Mar 2020 03:24:26 -0400 In-Reply-To: <87ftdud8gj.fsf@mail.linkov.net> (message from Juri Linkov on Fri, 27 Mar 2020 01:04:12 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:177772 Archived-At: > From: Juri Linkov > Cc: Eli Zaretskii , 40216@debbugs.gnu.org > Date: Fri, 27 Mar 2020 01:04:12 +0200 > > I tried to find Røbert by typing Robert, but char-fold fails to find it. > A bug in char-fold? I don't think it's a bug, because ø doesn't have a decomposition in the Unicode character database: (get-char-code-property ?ø 'decomposition) => (248) (i.e. the character "decomposes" into itself). By contrast: (get-char-code-property ?á 'decomposition) => (97 769) (i.e. á decomposes into a followed by U+0301 COMBINING ACUTE ACCENT). So if one wants to support the kind of folding you expected, one would have to customize char-fold-include to add those additional rules.