From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.devel Subject: Re: case-insensitive string comparison Date: Tue, 26 Jul 2022 16:43:12 +0200 Message-ID: <87h7346ikf.fsf@gmail.com> References: <87ilnsq4cr.fsf@gnu.org> <83o7xddw10.fsf@gnu.org> <83lesgc9ch.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23124"; mail-complaints-to="usenet@ciao.gmane.io" Cc: sds@gnu.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Jul 26 16:44:39 2022 Return-path: Envelope-to: ged-emacs-devel@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 1oGLnb-0005o7-4h for ged-emacs-devel@m.gmane-mx.org; Tue, 26 Jul 2022 16:44:39 +0200 Original-Received: from localhost ([::1]:49318 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oGLnZ-0002K5-Je for ged-emacs-devel@m.gmane-mx.org; Tue, 26 Jul 2022 10:44:37 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37168) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oGLmI-00011A-TQ for emacs-devel@gnu.org; Tue, 26 Jul 2022 10:43:18 -0400 Original-Received: from mail-wm1-x334.google.com ([2a00:1450:4864:20::334]:56190) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oGLmH-00072j-4C; Tue, 26 Jul 2022 10:43:18 -0400 Original-Received: by mail-wm1-x334.google.com with SMTP id b6so8881231wmq.5; Tue, 26 Jul 2022 07:43:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date :gmane-reply-to-list:references:in-reply-to:subject:cc:to:from:from :to:cc; bh=z3IDsBQlDkT4EGV7XXxfqudnJrtkeZf0XY/iRa8+4MI=; b=UiAGazXgaZR/2JiHLYaFaa2jKHaUaPgCRzuKXgnrQPhhOl8DzEzeSZysjxHObIGLDr fFBptl/86Phnc4ii7qU+EkAPQxVzzZEk3h/cfQmEC1XbiBs8VNrfBY5uFoHU88gs+E6Z SSQrBP1egvFUnMa8WA233HsyqigFbCcrRHTGu5L1WW8IJcoAKZiRr4pkSXqpaAd7zV4I OvTt85dFLkLGVSgGp6gyUVuiyzXbPb2GfH2XptkNchamuo386z0mLLQhnFD25LGVjaga Uca4iQr9klMhXPYwt1cjX7IFPHqBl/puFjNMcZLx7FomAjdYw3yFpOK074rgOGJXusf7 UGQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date :gmane-reply-to-list:references:in-reply-to:subject:cc:to:from :x-gm-message-state:from:to:cc; bh=z3IDsBQlDkT4EGV7XXxfqudnJrtkeZf0XY/iRa8+4MI=; b=oK5WqC8HEL1O3iDE29oSwy0f+wlJwewgZm7aOFllotK2b41oWBwAnN753OFsmHwIvj kMXv8xz+bMRCKXP0na+kVQ+MHWRFRiBxkVNX3SsK+wFKQplw19hwTQQJOgt0RQck125O NRGvcpQv2Rk+FaSoT62J2BKi9zmPnVQv+QucVmQV1zvn6B7nmuhnxmQg7NhW3G6LvMcz SGw/xodU95DPnKtPHHhwS5nKNcAjX0aLVjI4aQzTP63L4LYTJQKC92jGlGK/zuIt1irI gsrfX95SORB/rloASvnsS2NxBM6u2YuEaUlh0Z107XCCcsBnlfobymNh75bzJbDpbNrn EQ3Q== X-Gm-Message-State: AJIora/7tQ0afsWd3BiVdKE4cgnNQG9qOL3p95TLEvPl6g22XLapPVfH i/NkgglBq6XmfRvohvA1LfiO1691x3U= X-Google-Smtp-Source: AGRyM1t47gdZ95uGgu4yztPXqOy3IbuXX2sWEUD6r1MNUF3efeorE0DF/WEwrQd8gR8IdygR0kqkCA== X-Received: by 2002:a05:600c:4205:b0:3a3:1ad4:b886 with SMTP id x5-20020a05600c420500b003a31ad4b886mr25403244wmh.193.1658846593695; Tue, 26 Jul 2022 07:43:13 -0700 (PDT) Original-Received: from rltb ([2a01:e0a:3f3:fb50:7834:6702:759c:618d]) by smtp.gmail.com with ESMTPSA id d1-20020adfe2c1000000b0021e491fd250sm15090985wrj.89.2022.07.26.07.43.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Jul 2022 07:43:13 -0700 (PDT) In-Reply-To: <83lesgc9ch.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 26 Jul 2022 16:05:50 +0300") Gmane-Reply-To-List: yes Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=rpluim@gmail.com; helo=mail-wm1-x334.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:292695 Archived-At: >>>>> On Tue, 26 Jul 2022 16:05:50 +0300, Eli Zaretskii said: >> From: Sam Steingold >> Date: Mon, 25 Jul 2022 15:39:34 -0400 >>=20 >> > * Eli Zaretskii [2022-07-25 18:58:19 +0300]: >> > >> >> > (string-collate-equalp "a" "A" current-locale-environment t) >> >> > =3D=3D> nil >> >> > current-locale-environment >> >> > =3D=3D> "en_US.UTF-8" >> > >> > I cannot reproduce this: >> > >> > (string-collate-equalp "a" "A" current-locale-environment t) >> > =3D> t >> > current-locale-environment >> > =3D> "en_US.UTF-8" >> > >> > What OS is this, and which Emacs version? >>=20 >> GNU Emacs 29.0.50 (build 5, x86_64-apple-darwin21.5.0, NS appkit-211= 3.50 Version 12.4 (Build 21F79)) >> of 2022-07-25 >> Repository revision: ffe12ff2503917e47c0356195b31430996c148f9 >> Repository branch: master >> Windowing system distributor 'Apple', version 10.3.2113 >> System Description: macOS 12.4 Eli> Could be something macOS-specific. Maybe your system doesn't defi= ne Eli> the __STDC_ISO_10646__ feature? In that case, string-collate-equa= lp Eli> (see the doc string) behaves like string-equal, and that one doesn= 't Eli> have a case-insensitive variant. Neither Apple=CA=BCs clang nor llvm 13 clang define it. Looks like there=CA= =BCs some plan to add it, but it hasn=CA=BCt happened yet. see Robert --=20