From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Damien Cassou Newsgroups: gmane.emacs.bugs Subject: bug#57816: 28.2; Renaming a help buffer from help-mode-hook Date: Thu, 15 Sep 2022 06:43:25 +0200 Message-ID: <87leqlqmc2.fsf@cassou.me> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3881"; mail-complaints-to="usenet@ciao.gmane.io" To: 57816@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 15 06:44:15 2022 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 1oYgjW-0000rc-TP for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 15 Sep 2022 06:44:14 +0200 Original-Received: from localhost ([::1]:52298 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oYgjV-0001IF-Ex for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 15 Sep 2022 06:43:26 +0200 (CEST) Original-Received: from mail.choca.pics ([IPv6:::1]) by localhost (mail.choca.pics [IPv6:::1]) (amavisd-new, port 10032) with ESMTP id yW-QlfFolhkE for ; Thu, 15 Sep 2022 06:43:26 +0200 (CEST) Original-Received: from localhost (localhost.localdomain [IPv6:::1]) by mail.choca.pics (Postfix) with ESMTP id 4B496181942AA for ; Thu, 15 Sep 2022 06:43:26 +0200 (CEST) X-Virus-Scanned: amavisd-new at choca.pics Original-Received: from mail.choca.pics ([IPv6:::1]) by localhost (mail.choca.pics [IPv6:::1]) (amavisd-new, port 10026) with ESMTP id 9m7NzsGU1onA for ; Thu, 15 Sep 2022 06:43:26 +0200 (CEST) Original-Received: from localhost (153.226.95.79.rev.sfr.net [79.95.226.153]) by mail.choca.pics (Postfix) with ESMTPSA id ED547181929F6 for ; Thu, 15 Sep 2022 06:43:25 +0200 (CEST) Received-SPF: pass client-ip=2001:910:1410:500::1; envelope-from=damien@cassou.me; helo=mail.choca.pics X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action 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:242551 Archived-At: In GNU Emacs 28.2, I would like to automatically rename help buffers so their name reflect their content. For example, I want *Help: car* instead of just *Help* for the help buffer of `car'. Unfortunately, adding #'rename-buffer to `help-mode-hook' doesn't work as this results in 2 buffers instead of just one: emacs --batch -Q \ --eval "(add-hook 'help-mode-hook (lambda () (rename-buffer \"*foo*\")))" \ --eval "(describe-function #'describe-function)" \ --eval "(prin1 (cons (get-buffer \"*Help*\") (get-buffer \"*foo*\")))" prints (# . #) After the "rename", there is still a buffer with the old name. Is there a more correct way to do this? Best -- Damien Cassou "Success is the ability to go from one failure to another without losing enthusiasm." --Winston Churchill