From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#5950: defvaralias after defvar should be warned in runtime Date: Fri, 03 Aug 2018 18:09:12 -0400 Message-ID: <87a7q3yuev.fsf@gmail.com> 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> <926a0bc8-e1c2-91bc-3a88-a16fd149f79b@gmail.com> <294c0e22-7741-d1ff-bdbf-f1f96cf112a7@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1533334087 13885 195.159.176.226 (3 Aug 2018 22:08:07 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 3 Aug 2018 22:08:07 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) Cc: 5950@debbugs.gnu.org, IRIE Shinsuke , Stefan Monnier 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 Sat Aug 04 00:08:03 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 1fliEt-0003SL-0W for geb-bug-gnu-emacs@m.gmane.org; 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[45.2.119.34]) by smtp.googlemail.com with ESMTPSA id a133-v6sm1185598itg.1.2018.08.03.15.09.13 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 03 Aug 2018 15:09:13 -0700 (PDT) In-Reply-To: <294c0e22-7741-d1ff-bdbf-f1f96cf112a7@gmail.com> ("=?UTF-8?Q?Cl=C3=A9ment?= Pit-Claudel"'s message of "Fri, 3 Aug 2018 17:00:33 -0400") 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:149250 Archived-At: Cl=C3=A9ment Pit-Claudel writes: > But why would a user write 'defvar' to set a user variable? I don't know, why would a user write 'defvaralias' to set a user variable? They're users, completely unpredictable! ;) > What's the proper way to resolve it? Should I create the alias before > loading flycheck? That would work too. I made a couple of other suggestions in https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D5950#42 Maybe we should add something like (defun defvaralias! (new-alias base-variable &optional docstring) (set new-alias (symbol-value base-variable)) (defvaralias new-alias base-variable docstring)) Which you could use to tell Emacs not to care about losing the original value of NEW-ALIAS.