From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: xenodasein--- via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Explanation Request for the Function set-transient-map in subr.el Date: Sun, 28 Nov 2021 19:12:56 +0100 (CET) Message-ID: References: Reply-To: xenodasein@tutanota.de Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14152"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Help Gnu Emacs To: Monnier Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Nov 28 19:14:11 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 1mrOgl-0003Up-2a for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 28 Nov 2021 19:14:11 +0100 Original-Received: from localhost ([::1]:46026 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mrOgj-00059R-Rn for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 28 Nov 2021 13:14:09 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:39890) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mrOfd-00056z-Sh for help-gnu-emacs@gnu.org; Sun, 28 Nov 2021 13:13:01 -0500 Original-Received: from w1.tutanota.de ([81.3.6.162]:50886) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mrOfb-0002rk-Sa for help-gnu-emacs@gnu.org; Sun, 28 Nov 2021 13:13:01 -0500 Original-Received: from w3.tutanota.de (unknown [192.168.1.164]) by w1.tutanota.de (Postfix) with ESMTP id 3F83EFBF51F; Sun, 28 Nov 2021 18:12:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1638123176; s=s1; d=tutanota.de; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Content-Transfer-Encoding:Cc:Cc:Date:Date:In-Reply-To:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:References:Sender; bh=hQS0Yv0GyfmxFOvZQYJ3MeVyWPy8jwgPXfMivW/bfxs=; b=0iye/zGhjcnsTH5jhRDkAOgTs61KqdKkN2Hffj82fNr42DAAyocoQJSwV5//AYnL neEuHv7hXI3xLNWJzepL6Fc+s3ggv/59KVm0x187akv5dOEmS2kXHL/QBvRhIrnCk7C 5BVAKCklvTiqxtcN8BFMMxpSAxasWSy7uI/wDYr4rZ/pYxndm+3f7x3yZKKKEHcgo2q 7SH5BbzVMmUJkJ0q5KRbRIrXf42+if/B0IXUB9906chJXdAGS2WUmTzsg4lC3WvsL/A K4kcPD+b6JPA9gqIo9VcBzlV03xyYTarmc77sO1cuqoSI1JYx9Hx9sfGze+GT5ZakU7 zBhbFnhwfg== In-Reply-To: Received-SPF: pass client-ip=81.3.6.162; envelope-from=xenodasein@tutanota.de; helo=w1.tutanota.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-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: 2.1.29 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:134707 Archived-At: Thanks for your clarification on isearch issue. >> ((eq t keep-pred) >> =C2=A0 (let ((mc (lookup-key map (this-command-keys-vector)))) >> =C2=A0 ;; If the key is unbound `this-command` is >> =C2=A0 ;; nil and so is `mc`. >> =C2=A0=C2=A0=C2=A0 (and mc (eq this-command mc)))) >> I'm still not clear why exactly this expression is used though: (eq this-co= mmand mc). What are the possible values of mc here on the last line?