From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Changing outline-minor-mode keybindings for texinfo files Date: Fri, 14 May 2021 21:49:48 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10638"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.6 (2021-03-06) Cc: Help Gnu Emacs , michael-franzese@gmx.com To: Yuri Khan Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat May 15 22:14:15 2021 Return-path: Envelope-to: geh-help-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 1li0fv-0002ay-3v for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 15 May 2021 22:14:15 +0200 Original-Received: from localhost ([::1]:57232 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1li0fu-0001ng-2I for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 15 May 2021 16:14:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47564) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1li0fb-0001nJ-0b for help-gnu-emacs@gnu.org; Sat, 15 May 2021 16:13:55 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:42799) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1li0fZ-0004EY-1D for help-gnu-emacs@gnu.org; Sat, 15 May 2021 16:13:54 -0400 Original-Received: from localhost ([::ffff:154.226.142.93]) (AUTH: PLAIN securesender, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 00000000000ADF12.0000000060A02B5E.00006A17; Sat, 15 May 2021 13:13:17 -0700 Mail-Followup-To: Yuri Khan , michael-franzese@gmx.com, Help Gnu Emacs Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_24_48=1.34, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:129798 Archived-At: * Yuri Khan [2021-05-14 19:25]: > On Fri, 14 May 2021 at 21:06, Jean Louis wrote: > > > > (defun vmove-keytrigger () > > > "Visualises outline and moves texinfo code." > > > > > > (let ( (map texinfo-mode-map) ) > > > (define-key map (kbd "H-q") #'outline-hide-sublevels) > > > (define-key map (kbd "H-b") #'outline-hide-body) > > > (define-key map (kbd "H-") #'outline-move-subtree-up) > > > (define-key map (kbd "H-") #'outline-move-subtree-down) )) > > > > > > (add-hook 'texinfo-mode-hook 'vmove-keytrigger) > > > > In my opinion that hook, when it runs, internally get that all > > defined, but once function finishes, nothing yields out of it, because > > it is within `let' enclosure and because you are working on a > > temporary variable `map'. > > No, because ‘map’ is a reference to the same object that > ‘texinfo-mode-map’ refers to. Within the functions, they are two names > of the same data structure. Changes made through one name within the > function are then visible through the other name after the function > returns. Yes, I see by testing, it works with it as you say. I was thinking this: (setq a 1) ⇒ 1 (let ((b a)) (setq b 2)) ⇒ 2 a ⇒ 1 So while I understand it works, I don't know why it works. -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns Sign an open letter in support of Richard M. Stallman https://stallmansupport.org/ https://rms-support-letter.github.io/