From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#40975: 28.0.50; Variable gets buffer-local unexpectedly Date: Thu, 30 Apr 2020 04:26:16 +0200 Message-ID: <87368lso8n.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="129266"; mail-complaints-to="usenet@ciao.gmane.io" To: 40975@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 30 04:28:04 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jTyvk-000XXA-Fl for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 30 Apr 2020 04:28:04 +0200 Original-Received: from localhost ([::1]:51454 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jTyvj-00011L-Ah for geb-bug-gnu-emacs@m.gmane-mx.org; 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envelope-from=michael_heerdegen@web.de; helo=mout.web.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/29 22:26:16 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:179364 Archived-At: Hello, here is a reproducer: #+begin_src emacs-lisp (defun test () (make-local-variable 'my-test-var) (with-current-buffer (get-buffer-create "Testbuffer") (setq my-test-var 27))) #+end_src If you eval M-: (test) e.g. in emacs -Q and inspect the binding of `my-test-var' in "Testbuffer" and the other buffers, you'll see that the variable has become buffer local in "Testbuffer" though it has never been made local there. This is the bug. Maybe there is a problem in this case because the `setq' setting is in the same lexical scope as the `make-local-variable' call? TIA, Michael. In GNU Emacs 28.0.50 (build 57, x86_64-pc-linux-gnu, GTK+ Version 3.24.18, cairo version 1.16.0) of 2020-04-29 built on drachen Repository revision: fe9be663833db1bf99f38c981378255f88ff5d06 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12008000 System Description: Debian GNU/Linux bullseye/sid