From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: Instead of pcase Date: Mon, 27 Nov 2023 21:44:40 -0500 Message-ID: References: <87fs169mjj.fsf@posteo.net> <093f11a1-57c2-5e56-d39b-26fef1c67cbb@gutov.dev> <25942.25061.217864.329049@retriever.mtv.corp.google.com> <87zfzdcz6z.fsf@posteo.net> <763f067b-4ca9-1eba-9f3c-424c38589e9c@gutov.dev> Reply-To: rms@gnu.org Content-Type: text/plain; charset=Utf-8 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28026"; mail-complaints-to="usenet@ciao.gmane.io" Cc: dmitry@gutov.dev, philipk@posteo.net, emacs-devel@gnu.org To: Lynn Winebarger Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Nov 28 03:45:31 2023 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 1r7o6M-00075T-RQ for ged-emacs-devel@m.gmane-mx.org; Tue, 28 Nov 2023 03:45:30 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r7o5b-0002vs-2q; Mon, 27 Nov 2023 21:44:43 -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 1r7o5Z-0002vN-1Z for emacs-devel@gnu.org; Mon, 27 Nov 2023 21:44:41 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r7o5Y-0006xG-Hq; Mon, 27 Nov 2023 21:44:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=Date:References:Subject:In-Reply-To:To:From: mime-version; bh=bwk64g2pw9Lkew674339ZPVBVUgd2NSqRFeikF5QVfU=; b=Wfa+LQq4dS8p nawhRr2kWwc+BhwiWCITf/T3UKTfL3w90yJ+f3+/yBwDF5GxR7Ue2i56W3all51T/shbdHcT4lRko 3N6W5gEhlz2MAxBxYP6PpUakfEAfyg5sbgluLIofXdsZYNKW1BFYWYyhoU6694uXaFYxD4RI7EBkS bCwxHrFhxr0BYchKTRzO0VIlAX0FKWoAgjUmUm7WjlQSYRTgxffto2Gf8s4TPN0Hgsn3MpYX8C/bt dssHtUi30RWyfK8gNmDHv6+weRy15BllxSpTWdyVN5LYyimJqCDXsZq/cm+HML0eUbKxErGv5GHQt G64Cq+ZC0JDjoKAFx7McOg==; Original-Received: from rms by fencepost.gnu.org with local (Exim 4.90_1) (envelope-from ) id 1r7o5Y-0000uo-9g; Mon, 27 Nov 2023 21:44:40 -0500 In-Reply-To: (message from Lynn Winebarger on Fri, 24 Nov 2023 12:29:12 -0500) 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:313306 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > > In particular, what is the reason for the period and inner > > parenthsses? Why doesn't the code say this? > > > > (`(,hookfun ,start ,end ,collection . ,plist) > I would think the author is simply emphasizing that [perse is] parsing an > entity in an association list for which hookfun is a key. You may well be right about per intensions, and it is possible that a person who already fully understands what this code is doing would have realized that immediately. But a person who is just starting to look at this code, and reads that function first, is likely to be impeded in starting to reach that sort of understanding. -- Dr Richard Stallman (https://stallman.org) Chief GNUisance of the GNU Project (https://gnu.org) Founder, Free Software Foundation (https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org)