From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.devel Subject: Re: [PATCH v3] Allow applying filters to summary consecutively Date: Fri, 11 Nov 2022 18:52:28 +0000 Message-ID: <9aa7db1076a7372250b9@heytings.org> References: <874jvaont2.fsf@autistici.org> <83r0ybs07r.fsf@gnu.org> <83r0y9q5j1.fsf@gnu.org> <9aa7db1076472a25a239@heytings.org> <838rkhpd5i.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3253"; mail-complaints-to="usenet@ciao.gmane.io" Cc: rms@gnu.org, andrea.monaco@autistici.org, rpluim@gmail.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Nov 11 19:53:29 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 1otZ9d-0000bo-Hy for ged-emacs-devel@m.gmane-mx.org; Fri, 11 Nov 2022 19:53:29 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1otZ8s-0005dE-Nq; Fri, 11 Nov 2022 13:52:43 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1otZ8j-0005cq-Cn for emacs-devel@gnu.org; Fri, 11 Nov 2022 13:52:35 -0500 Original-Received: from heytings.org ([95.142.160.155]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1otZ8h-0003SK-Ka; Fri, 11 Nov 2022 13:52:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1668192748; bh=vnQ99qOPC8kPmRKWCefe9EhjllxOGWIJwrCfmK294s8=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=f+9eOCCquWPTf4/8Hq4NKL0+dfakDYFvfdT7Jv0eohY1aWn35K7LxhweaGvnTFvaF wPbjPum6ksakY99XyT3d6H/R5GiUnMdiQJHsUr93+9OLRJoYgHBnByCjrn1NetAzP+ A/pt6MKYxf9EDz+jaoN+xmc6htC6fYBg5CtZFZAvd8U2qppsDGHj0KfDHurYa/u0Gi hzMhJh01/u959QNarb0eQxiPXpCnQilwffwUc3UjlO8aaUPUCsipF9w0u1lxxmLVgO fZ0DF5zbNlUah/JookvBZwFdozmdUmvvDUw9Ofalz7rLnE3cM4HEukwyRhRR3fMDIp tw4noUgGCXXvg== In-Reply-To: <838rkhpd5i.fsf@gnu.org> Received-SPF: pass client-ip=95.142.160.155; envelope-from=gregory@heytings.org; helo=heytings.org 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, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:299582 Archived-At: >>> That's okay, thanks. But it's only the beginning of my problem. How >>> do you describe the effect of applying a filter on top of one or more >>> other filters? Andrea wants to use "intersection", but I tend to >>> think this is too "mathematical" and too vague to explain clearly what >>> happens. What would be a good terminology for that? >> >> I think there are two possibilities when adding another filter: either >> broadening the already existing filtering ("union" in mathematical >> terms) or narrowing the already existing filtering ("intersection" in >> mathematical terms). > > It's what you call "intersection", obviously. > Yes, my point was to mention the two less mathematical words: broadening and narrowing. That being said, I don't user Rmail but I don't think it obvious that filtering is always "intersection". Someone may filter their inbox to see mails from Alice, and add mails from Alice to the filtering.