From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Hongyi Zhao Newsgroups: gmane.emacs.help Subject: Re: [External] : M-. vs C-h o Date: Fri, 22 Oct 2021 09:58:04 +0800 Message-ID: References: <87o87hrh6l.fsf@zoho.eu> 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="7156"; mail-complaints-to="usenet@ciao.gmane.io" To: Emanuel Berg , help-gnu-emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Oct 22 03:59:09 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 1mdjpt-0001UD-Oa for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 22 Oct 2021 03:59:09 +0200 Original-Received: from localhost ([::1]:36690 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdjpn-00059O-3b for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 21 Oct 2021 21:59:03 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42062) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mdjp5-00059A-Eh for help-gnu-emacs@gnu.org; Thu, 21 Oct 2021 21:58:19 -0400 Original-Received: from mail-ua1-x933.google.com ([2607:f8b0:4864:20::933]:46690) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mdjp2-000386-Dq for help-gnu-emacs@gnu.org; Thu, 21 Oct 2021 21:58:19 -0400 Original-Received: by mail-ua1-x933.google.com with SMTP id u5so4801185uao.13 for ; Thu, 21 Oct 2021 18:58:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :content-transfer-encoding; bh=RmBtocwimx0H7rtOcqubblp07TOXyyKFWGHqtezGWv4=; b=EG3ZfwjEIFskgKq0ovJVFSDst8SUHT/IqnFGLHi2/3/lVneJo3FRgtME8WlzDvo6L+ 4HgF+FGaSHrHSdxKEe2//BxyWWyLlZLKvoZnyIJ5qiVviPebVqaoaPHWBySfanXaMzH7 BEf+1vsRex9ogSCJQVsSAVnw7kKrGeQVZ26MdEJJ7yuOFNOeegEGYj+YIz/tBFpSIt7r 7tXRt6K7wc4PIYpXvTd498qDDijHV7NnjM+viCEIFyaLnVDnpZZuYDl/NbfNE7SK8KsH rbIB7smUfVXarjYTs90mMChAZjkkfM5VX0gL5KnLrC3/JhZ+VzsJRTXnuzLixMTFASJs OdGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:content-transfer-encoding; bh=RmBtocwimx0H7rtOcqubblp07TOXyyKFWGHqtezGWv4=; b=eOuS2YBg9YOgtK1kcHR4E9yJgoZzolU2kcuaFgmc2Iip8HpzbB2Y+TpWuAr1sLDi5N EvtdlScJDx3ZNTJWLJHDz6jV8pbZlhvD/WcmQLi1uh5PA98ZqV5OxMkJBkPSTllIPfLk Bh6BWMhLpO1kxvv4YgAxZ6rubKPWI0XM487Uq5uupq0xBKL1pVvdfq1E3F80M+lylAi5 Hum3bxO+SS2fIfWudUe0OPDO26w7UeWiKhzSFDaebWfC6Tl92NhlDh2BrR2xRoH2hSG2 kvc41WTERqW7AatjPq15U4mfC3oOV6r2iV6GinRDpRyRKvL8LRTOh7mu06VcDv5o6LoL 0EQw== X-Gm-Message-State: AOAM532COvF/HHQ0dS8bK+y9vVjhLl4XOfH+0UVwpbi6WeQ7HHE0yzYJ 6IaPjqplguk6ASvoA15HqcXnXzWMeHT57IPPiio= X-Google-Smtp-Source: ABdhPJxiMXhDxIfOqmRwI7vt4BdEv06yHt96vc/SaU+sq68rO92pjU+IzSlwrwRcYL1RPmNIFKKooslTlGZIMFu3jgA= X-Received: by 2002:ab0:63d1:: with SMTP id i17mr11020911uap.115.1634867895349; Thu, 21 Oct 2021 18:58:15 -0700 (PDT) In-Reply-To: <87o87hrh6l.fsf@zoho.eu> Received-SPF: pass client-ip=2607:f8b0:4864:20::933; envelope-from=hongyi.zhao@gmail.com; helo=mail-ua1-x933.google.com 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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:133983 Archived-At: On Fri, Oct 22, 2021 at 9:18 AM Emanuel Berg via Users list for the GNU Emacs text editor wrote: > > Drew Adams wrote: > > >> mapc is a built-in function in =E2=80=98src/fns.c=E2=80=99. > > > > That tells you that it's a Lisp function that's "built-in", > > meaning that it's implemented in C. > > A so-called Lisp primitive ... > > "Lisp primitives are Lisp functions implemented in C" > > http://www.gnu.org/software/emacs/manual/html_node/elisp/Writing-Emacs-Pr= imitives.html > (info "(elisp)Writing Emacs Primitives") Thank you for pointing this out. I've `rg'ed the local Emacs git source code repo, and it seems still difficult to pinpoint the corresponding C source code implementation of DEFUN. HZ