From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#39149: 27.0.50; describe-buffer-bindings is calling :filter function in wrong buffer Date: Fri, 30 Oct 2020 16:16:27 +0100 Message-ID: <874kmbbv78.fsf@igel.home> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1384"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) Cc: 39149@debbugs.gnu.org To: yyoncho Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Oct 30 16:17:13 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 1kYW9Q-0000Fi-Va for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 30 Oct 2020 16:17:12 +0100 Original-Received: from localhost ([::1]:38050 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kYW9P-0004TV-Oh for geb-bug-gnu-emacs@m.gmane-mx.org; 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Fri, 30 Oct 2020 15:17:02 +0000 Original-Received: (at 39149) by debbugs.gnu.org; 30 Oct 2020 15:16:33 +0000 Original-Received: from localhost ([127.0.0.1]:59270 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kYW8n-00027Q-Jx for submit@debbugs.gnu.org; Fri, 30 Oct 2020 11:16:33 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.10]:45017) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kYW8l-00024j-CQ for 39149@debbugs.gnu.org; Fri, 30 Oct 2020 11:16:32 -0400 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4CN5W20kjdz1rvxn; Fri, 30 Oct 2020 16:16:30 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4CN5W175TKz1qv52; Fri, 30 Oct 2020 16:16:29 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id BU6A41Mi8DVv; Fri, 30 Oct 2020 16:16:29 +0100 (CET) X-Auth-Info: nuEXJkOdRCuFM0GX8IUBfflR6u4IG3xo6rxOViLfORRa5batC1w0LeKlq7zPQLck Original-Received: from igel.home (ppp-46-244-190-51.dynamic.mnet-online.de [46.244.190.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 30 Oct 2020 16:16:28 +0100 (CET) Original-Received: by igel.home (Postfix, from userid 1000) id BB85D2C0B97; Fri, 30 Oct 2020 16:16:27 +0100 (CET) X-Yow: Maybe we could paint GOLDIE HAWN a rich PRUSSIAN BLUE-- In-Reply-To: (yyoncho@gmail.com's message of "Thu, 16 Jan 2020 08:59:12 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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:192128 Archived-At: On Jan 16 2020, yyoncho wrote: > To reproduce (eval in scratch buffer) > > (define-key global-map (kbd "C-c C-l r") > `(menu-item "2" switch-to-buffer > :filter ,(lambda (cmd) > (print (format "Called in %s" (current-buffer))) > cmd))) > (with-temp-buffer > (with-output-to-string > (describe-buffer-bindings (get-buffer "*scratch*") [3 12] t))) > > This outputs: > > \"Called in *temp*\" > > Expected: the filter function must be called in *scratch* since this is > the buffer you want to check the bindings. The problem is that describe-buffer-bindings only changes the buffer to look up the bindings, but everything that generates the description (starting with describe-map-tree) doesn't know about that other buffer. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."