From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#5950: defvaralias after defvar should be warned in runtime Date: Thu, 02 Aug 2018 13:03:21 -0400 Message-ID: References: <4BC6A096.8030801@yahoo.co.jp> <87r5gu34ag.wl%irieshinsuke@yahoo.co.jp> <3keicu1h3v.fsf@fencepost.gnu.org> <874liufjfj.fsf@gmail.com> <871sdyezwl.fsf@gmail.com> <87vaaoxm1z.fsf@gmail.com> <8e11e15a-a806-777e-1b18-3db9000c77de@gmail.com> <775d0859-cb89-3f35-0455-1357461128d0@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1533229333 10970 195.159.176.226 (2 Aug 2018 17:02:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 2 Aug 2018 17:02:13 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: IRIE Shinsuke , 5950@debbugs.gnu.org, Noam Postavsky To: =?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Aug 02 19:02:08 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1flGzI-0002cr-OH for geb-bug-gnu-emacs@m.gmane.org; Thu, 02 Aug 2018 19:02:08 +0200 Original-Received: from localhost ([::1]:47023 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1flH1I-0002Wg-HI for geb-bug-gnu-emacs@m.gmane.org; Thu, 02 Aug 2018 13:04:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50002) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1flH1C-0002WQ-9i for bug-gnu-emacs@gnu.org; Thu, 02 Aug 2018 13:04:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1flH18-0005dJ-Ff for bug-gnu-emacs@gnu.org; Thu, 02 Aug 2018 13:04:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34193) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1flH18-0005dB-BG for bug-gnu-emacs@gnu.org; Thu, 02 Aug 2018 13:04:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1flH18-00011P-2s for bug-gnu-emacs@gnu.org; Thu, 02 Aug 2018 13:04:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 02 Aug 2018 17:04:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 5950 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: fixed patch Original-Received: via spool by 5950-submit@debbugs.gnu.org id=B5950.15332294053882 (code B ref 5950); Thu, 02 Aug 2018 17:04:02 +0000 Original-Received: (at 5950) by debbugs.gnu.org; 2 Aug 2018 17:03:25 +0000 Original-Received: from localhost ([127.0.0.1]:39211 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1flH0X-00010X-0N for submit@debbugs.gnu.org; Thu, 02 Aug 2018 13:03:25 -0400 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:35413) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1flH0V-00010N-6S for 5950@debbugs.gnu.org; Thu, 02 Aug 2018 13:03:24 -0400 Original-Received: from fmsmemgm.homelinux.net (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.7/8.14.1) with ESMTP id w72H3LQR028073; Thu, 2 Aug 2018 13:03:21 -0400 Original-Received: by fmsmemgm.homelinux.net (Postfix, from userid 20848) id E0C13AE11E; Thu, 2 Aug 2018 13:03:21 -0400 (EDT) In-Reply-To: <775d0859-cb89-3f35-0455-1357461128d0@gmail.com> ("=?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel"'s message of "Thu, 2 Aug 2018 10:37:25 -0400") X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 2 Rules triggered EDT_SA_DN_PASS=0, RV6343=0 X-NAI-Spam-Version: 2.3.0.9418 : core <6343> : inlines <6795> : streams <1794349> : uri <2683015> 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: 208.118.235.43 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:149213 Archived-At: >> The typical failure case goes like this, user does this: >> >> (setq the-package-setting 'foo) >> (require 'the-package) >> >> And the-package.el does this: >> >> (defvar the-package-real-setting 'bar) >> ;; Oops! User's setting of `foo' is overwritten here: >> (defvaralias 'the-package-setting 'the-package-real-setting) > > Thanks. Should the warning be disabled when both variables are > already `defvar'd, then? Why? Replace `setq` with `defvar` in the above scenario and you have the same problem. Stefan