From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Does the command loop even look at the return values of commands executed? Date: Thu, 26 Aug 2021 07:32:36 +0200 Message-ID: <87lf4ovki3.fsf@mbork.pl> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21937"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.1.0; emacs 28.0.50 To: Help Gnu Emacs mailing list Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 26 07:33:34 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 1mJ818-0005Vf-Jg for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 26 Aug 2021 07:33:34 +0200 Original-Received: from localhost ([::1]:50688 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mJ817-0001w4-97 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 26 Aug 2021 01:33:33 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42738) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mJ80a-0001tt-7c for help-gnu-emacs@gnu.org; Thu, 26 Aug 2021 01:33:00 -0400 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:49168) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mJ80V-0000ie-TV for help-gnu-emacs@gnu.org; Thu, 26 Aug 2021 01:33:00 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id 96106E6250 for ; Thu, 26 Aug 2021 07:32:48 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tcVQbzPkP9c2 for ; Thu, 26 Aug 2021 07:32:40 +0200 (CEST) Original-Received: from localhost (178235147235.dynamic-3-poz-k-0-1-0.vectranet.pl [178.235.147.235]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 59BDCE620C for ; Thu, 26 Aug 2021 07:32:40 +0200 (CEST) Received-SPF: pass client-ip=195.110.48.8; envelope-from=mbork@mbork.pl; helo=mail.mojserwer.eu X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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:132741 Archived-At: Hi all, I am pretty sure that the command loop discards anything returned by a command invoked via a keybinding or M-x, but I couldn't find anything about it in the Elisp reference. Is that true? Is it documented anywhere? (I don't necessarily think it /needs/ to, but I'm quite curious; also, I don't want to lie in my book;-).) TIA, -- Marcin Borkowski http://mbork.pl