From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#19208: replace-match unhelpful error message Date: Sat, 3 Aug 2019 13:50:55 -0700 Organization: UCLA Computer Science Department Message-ID: References: <87imrec7oq.fsf@mouse.gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="184716"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 Cc: 19208@debbugs.gnu.org, Phillip Lord To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Aug 03 22:52:10 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hu10b-000lu8-FC for geb-bug-gnu-emacs@m.gmane.org; Sat, 03 Aug 2019 22:52:09 +0200 Original-Received: from localhost ([::1]:41934 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hu10Z-0004K3-Rq for geb-bug-gnu-emacs@m.gmane.org; Sat, 03 Aug 2019 16:52:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49372) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hu10V-0004Jk-18 for bug-gnu-emacs@gnu.org; Sat, 03 Aug 2019 16:52:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hu10U-0003jq-4Q for bug-gnu-emacs@gnu.org; Sat, 03 Aug 2019 16:52:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51264) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hu10U-0003ji-14 for bug-gnu-emacs@gnu.org; Sat, 03 Aug 2019 16:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hu10T-000576-UZ for bug-gnu-emacs@gnu.org; Sat, 03 Aug 2019 16:52:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Paul Eggert Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 03 Aug 2019 20:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19208 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: fixed Original-Received: via spool by 19208-submit@debbugs.gnu.org id=B19208.156486546519575 (code B ref 19208); Sat, 03 Aug 2019 20:52:01 +0000 Original-Received: (at 19208) by debbugs.gnu.org; 3 Aug 2019 20:51:05 +0000 Original-Received: from localhost ([127.0.0.1]:60085 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hu0zZ-00055f-Do for submit@debbugs.gnu.org; Sat, 03 Aug 2019 16:51:05 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:39354) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hu0zX-000559-2N for 19208@debbugs.gnu.org; Sat, 03 Aug 2019 16:51:03 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 300DC16183C; Sat, 3 Aug 2019 13:50:57 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id QjcjhBI7TY3t; Sat, 3 Aug 2019 13:50:56 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 352941618B1; Sat, 3 Aug 2019 13:50:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ofpIjIMCzrc3; Sat, 3 Aug 2019 13:50:56 -0700 (PDT) Original-Received: from [192.168.1.9] (cpe-23-242-74-103.socal.res.rr.com [23.242.74.103]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id BEF6616183C; Sat, 3 Aug 2019 13:50:55 -0700 (PDT) In-Reply-To: <87imrec7oq.fsf@mouse.gnus.org> Content-Language: en-US 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:164492 Archived-At: Lars Ingebrigtsen wrote: > they are > demonstrably confusing for people not used to seeing conditionals > written that way, which is I think pretty much everybody, except four > people working on Emacs. :-) Just four? :-) (Actually the style is also used in other GNU projects.) In this particular case the Leibniz style caught a potentially-serious bug. Although I understand that it can be a minor irritation for newcomers, it is quite useful for range checking and in practice I find that its reliability outweighs any irritation. (I didn't like Val Schorre's advice either, when I first heard it - but he was right.)