From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Gemini Lasswell Newsgroups: gmane.emacs.bugs Subject: bug#31660: 26.1.50; EIEIO manual's Quick Start example makes Emacs unusable Date: Wed, 30 May 2018 12:00:49 -0700 Message-ID: <87wovl3r4u.fsf@runbox.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1527706807 15818 195.159.176.226 (30 May 2018 19:00:07 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 30 May 2018 19:00:07 +0000 (UTC) To: 31660@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed May 30 21:00:03 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 1fO6KI-000422-Mr for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 May 2018 21:00:02 +0200 Original-Received: from localhost ([::1]:40323 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fO6MP-0006x5-Ta for geb-bug-gnu-emacs@m.gmane.org; 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Original-Received: from [10.9.9.212] (helo=mailfront12.runbox.com) by mailtransmit03.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1fO6Ll-0002GR-54 for bug-gnu-emacs@gnu.org; Wed, 30 May 2018 21:01:33 +0200 Original-Received: from c-24-22-244-161.hsd1.wa.comcast.net ([24.22.244.161] helo=sockeye) by mailfront12.runbox.com with esmtpsa (uid:179284 ) (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) id 1fO6LG-0000U6-0j for bug-gnu-emacs@gnu.org; Wed, 30 May 2018 21:01:03 +0200 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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:146761 Archived-At: The first example in the EIEIO manual defines a class called 'record'. Evaluating this example changes the function definition of 'record', which makes many Emacs commands produce errors, including find-file, ielm, and report-emacs-bug. To reproduce, with emacs -Q: M-x info RET Navigate to the Quick Start node in the EIEIO manual, and select the (defclass record ...) example. M-w M-x ielm RET (require 'eieio) RET C-y RET Result: *** IELM Error *** Error during pretty-printing (bug in pp) Definitely the name of the class in the examples in the manual should be changed, so that the examples work. Maybe it would also be a good idea for defclass to signal an error or at least give a warning message if it is asked to define a class with the same name as an existing function unless that function is from a previous class definition.