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#25166: 26.0.50; It shouldn't be possible to set the function cell of nil and t Date: Sat, 28 Oct 2017 12:45:57 -0400 Message-ID: <87r2tnb4qi.fsf@users.sourceforge.net> References: <5f7f76ia4e.fsf@fencepost.gnu.org> <1hpokwx5br.fsf@fencepost.gnu.org> <83wpemwjzq.fsf@gnu.org> <834m1pvvhb.fsf@gnu.org> <83ziewipb2.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1509209242 19818 195.159.176.226 (28 Oct 2017 16:47:22 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 28 Oct 2017 16:47:22 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) Cc: 25166@debbugs.gnu.org, Philipp Stephani To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Oct 28 18:47:18 2017 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 1e8UGO-0003q2-GB for geb-bug-gnu-emacs@m.gmane.org; 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Sat, 28 Oct 2017 09:45:59 -0700 (PDT) Original-Received: from zebian ([45.2.119.34]) by smtp.googlemail.com with ESMTPSA id a29sm2121814itj.8.2017.10.28.09.45.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 28 Oct 2017 09:45:58 -0700 (PDT) In-Reply-To: (Stefan Monnier's message of "Sat, 28 Oct 2017 12:16:28 -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:139118 Archived-At: Stefan Monnier writes: >> PS for an example of why singling out nil makes sense (but this >> doesn't apply to t) see [1]. >> Summary: (autoload #'nil "something" nil t) silently succeeds but >> makes forward-word, backward-word, etc, (fail to) funcall nil. > > Why would someone do (autoload #'nil "something" nil t) ? By accident. It's a bug in use-package. (use-package foo-pkg :commands ) Creates autoloads for all the commands in , which can be a symbol, or a list of symbols. But nil is also a symbol, so passing an empty list makes an autoload for nil (because use-package checks for symbolp before listp), rather than making autoloads for 0 commands.