From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#20307: [PATCH] make regexp-opt return a no-match return value with empty input Date: Sat, 02 Mar 2019 16:41:17 +0200 Message-ID: <831s3pgwz6.fsf@gnu.org> References: <876191vfou.fsf@fencepost.gnu.org> <9995071F-D58F-4D84-958B-58D3DA5F6F20@acm.org> <838sxxh2pl.fsf@gnu.org> <4B1C0A42-4905-4E88-9092-A99B0CD38663@acm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="46664"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 20307@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Mar 02 15:42:16 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 (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h05q7-000BtW-Vd for geb-bug-gnu-emacs@m.gmane.org; Sat, 02 Mar 2019 15:42:12 +0100 Original-Received: from localhost ([127.0.0.1]:55373 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h05q6-0001HM-0v for geb-bug-gnu-emacs@m.gmane.org; Sat, 02 Mar 2019 09:42:10 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:58692) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h05q0-0001HG-H6 for bug-gnu-emacs@gnu.org; Sat, 02 Mar 2019 09:42:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h05py-0008MH-H6 for bug-gnu-emacs@gnu.org; Sat, 02 Mar 2019 09:42:04 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43613) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1h05py-0008KT-03 for bug-gnu-emacs@gnu.org; Sat, 02 Mar 2019 09:42:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1h05px-000351-TU for bug-gnu-emacs@gnu.org; Sat, 02 Mar 2019 09:42:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 02 Mar 2019 14:42:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20307 X-GNU-PR-Package: emacs Original-Received: via spool by 20307-submit@debbugs.gnu.org id=B20307.155153769811808 (code B ref 20307); Sat, 02 Mar 2019 14:42:01 +0000 Original-Received: (at 20307) by debbugs.gnu.org; 2 Mar 2019 14:41:38 +0000 Original-Received: from localhost ([127.0.0.1]:57157 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h05pZ-00034O-O3 for submit@debbugs.gnu.org; Sat, 02 Mar 2019 09:41:38 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:44175) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h05pX-00034A-IW for 20307@debbugs.gnu.org; Sat, 02 Mar 2019 09:41:35 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:41934) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h05pQ-00070u-Dn; Sat, 02 Mar 2019 09:41:28 -0500 Original-Received: from [176.228.60.248] (port=4752 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1h05pQ-0002SE-1r; Sat, 02 Mar 2019 09:41:28 -0500 In-reply-to: <4B1C0A42-4905-4E88-9092-A99B0CD38663@acm.org> (message from Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= on Sat, 2 Mar 2019 15:21:52 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:155963 Archived-At: > From: Mattias Engdegård > Date: Sat, 2 Mar 2019 15:21:52 +0100 > Cc: 20307@debbugs.gnu.org > > > This says "empty", but the actual test will catch nil as well as an > > empty list. Should we perhaps mention that? > > Sorry, I don't understand. Do we in general distinguish nil from the empty list in documentation? I don't know. I thought the reader might not be aware of their equivalence, so being explicit would be better. > Or did you mean that the phrase should be "If STRINGS is the empty list..."? Yes, that would take care of the issue.