From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Sam Steingold Newsgroups: gmane.emacs.devel Subject: Re: case-insensitive string comparison Date: Tue, 19 Jul 2022 14:56:45 -0400 Message-ID: References: <2492DD45-FAF2-4A8F-AA70-0B10AA6FFB35@acm.org> Reply-To: sds@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="31750"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) To: emacs-devel@gnu.org, Mattias =?utf-8?Q?Engdeg=C3=A5rd?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Jul 19 20:57:58 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 1oDsPt-00082D-RD for ged-emacs-devel@m.gmane-mx.org; Tue, 19 Jul 2022 20:57:57 +0200 Original-Received: from localhost ([::1]:45554 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oDsPs-00075y-Sp for ged-emacs-devel@m.gmane-mx.org; Tue, 19 Jul 2022 14:57:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54992) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDsOr-0005al-ID for emacs-devel@gnu.org; Tue, 19 Jul 2022 14:56:53 -0400 Original-Received: from mail-qk1-x72d.google.com ([2607:f8b0:4864:20::72d]:38519) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oDsOp-0001oX-LC; Tue, 19 Jul 2022 14:56:53 -0400 Original-Received: by mail-qk1-x72d.google.com with SMTP id e16so8050895qka.5; Tue, 19 Jul 2022 11:56:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:subject:in-reply-to:references:user-agent :return-receipt-to:reply-to:mail-followup-to:date:message-id :mime-version:content-transfer-encoding; bh=QWvEtlfbCTPOiekDHGkUOgWhI8Ftm47XYdGoXFtNbiY=; b=dzuYiJw+4mDGb5PsgvoOunK2dFA6ygSMJho29jAv9jTRoazNE+MiMrPlfX0wTV8Y+1 qCMw4zsMm4uzENfrKdHkeArzBbdjgtwTlGdVo1j3KC7wNyL5JeeqnklJrBnXCkPBc81Y 8yYHnE2qSH0JAmX1mtd7sLhZuBnIhKDEjt0yZ7VKR58jE839kEjmwZAhwMAHrLybXm8r wCY2SxbM5837vdWHDYRuH3RJZO4UivlQZl+rtlZYP4fMwmlMPNY17V/qRdrFVC5n+G5T dWkJ39lw0s6TNlb8W/XsoceM9CuqzaYFz6/qTAiUxK0EHNXHpuC2ZBnsQRIh1QvpXjOn D8Bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:subject:in-reply-to:references :user-agent:return-receipt-to:reply-to:mail-followup-to:date :message-id:mime-version:content-transfer-encoding; bh=QWvEtlfbCTPOiekDHGkUOgWhI8Ftm47XYdGoXFtNbiY=; b=DKEIlEf2ljp96ellp9blw0gkXsm4SRxtPZRMsHbLbO2zCBSX6rChdY8fjEz24Mumo1 uE0t8LE7jBoNLhtUWwcvabeHB6AIT8h6Wkos/j/GX/acFdwmQM+xSVBfSdfYErqIQI+b icKuGJMIhdHbPFjopBUoiq8LeuvBnOw9LWH3oIo6W960BD3xYBSm8xQAHbGqQoQZC/JR pVaXbNRfPSwXGY451He/iZCssjZ7XTA/JKi1A8l/4xGTYUKSYUSEE4Tf9iw34qcxIeFX TgV3H9J9KOOlsMNxLSNxvDie+KbrkPSvxpJ1WGpZ974lACF+XTEVgNaVUvmzo8LHIhpE LTvQ== X-Gm-Message-State: AJIora+0B0YlvdLljP7STx0JQ3eiQb1jQEnPmhZA8xuHkchNAB1QtMq7 8A4AhVa3w1NTCJjpFFTlTJQUphkAvQ== X-Google-Smtp-Source: AGRyM1vBRUqbzyn2o4AAC66gIAZcD2lIbW1FTIs8+ENRrfjpB1943AG6f7uk2tBj9YzHqWoPps+Nlg== X-Received: by 2002:a05:620a:4725:b0:6b5:f6a9:950e with SMTP id bs37-20020a05620a472500b006b5f6a9950emr5465227qkb.464.1658257008657; Tue, 19 Jul 2022 11:56:48 -0700 (PDT) Original-Received: from 3c22fb11fdab.ant.amazon.com (pool-108-30-23-113.nycmny.fios.verizon.net. [108.30.23.113]) by smtp.gmail.com with ESMTPSA id dm53-20020a05620a1d7500b006b4880b08a9sm15235252qkb.88.2022.07.19.11.56.46 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 19 Jul 2022 11:56:47 -0700 (PDT) In-Reply-To: <2492DD45-FAF2-4A8F-AA70-0B10AA6FFB35@acm.org> ("Mattias =?utf-8?Q?Engdeg=C3=A5rd=22's?= message of "Tue, 19 Jul 2022 20:06:50 +0200") X-Attribution: Sam X-Disclaimer: You should not expect anyone to agree with me. Mail-Followup-To: emacs-devel@gnu.org, Mattias =?utf-8?Q?Engdeg=C3=A5rd?= Received-SPF: pass client-ip=2607:f8b0:4864:20::72d; envelope-from=sam.steingold@gmail.com; helo=mail-qk1-x72d.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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:292289 Archived-At: > * Mattias Engdeg=C3=A5rd [2022-07-19 20:06:50 +0200]: > > 19 juli 2022 kl. 19.27 skrev Sam Steingold : > >> (defun string-equal-ignore-case (s1 s2) > > What would you tell someone complaining that > > (let ((rue "Stra=C3=9Fe")) > (string-equal-ignore-case rue (upcase rue))) > > returns nil? Asking for a friend. This is a well-known bug in user code. https://stackoverflow.com/q/319426/850781 --=20 Sam Steingold (http://sds.podval.org/) on darwin Ns 10.3.2113 http://childpsy.net http://calmchildstories.com http://steingoldpsychology.= com https://iris.org.il https://jij.org https://www.dhimmitude.org https://ij.o= rg/ If a Somali pirate uses a legal Windows version, is he still a pirate?