From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: steve-humphreys@gmx.com Newsgroups: gmane.emacs.help Subject: Re: ielm not described in: An Introduction to Programming in Emacs Lisp Date: Fri, 18 Dec 2020 11:39:20 +0100 Message-ID: References: <87lfdvh0xz.fsf@posteo.net> 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="39810"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Help Gnu Emacs To: "Philip K." Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Dec 18 12:00:25 2020 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 1kqDUm-000ADS-DH for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 18 Dec 2020 12:00:24 +0100 Original-Received: from localhost ([::1]:43090 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kqDUl-0008K2-Dl for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 18 Dec 2020 06:00:23 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47084) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kqDAU-0008JN-DC for help-gnu-emacs@gnu.org; Fri, 18 Dec 2020 05:39:26 -0500 Original-Received: from mout.gmx.net ([212.227.15.19]:55885) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kqDAS-0003ig-7N for help-gnu-emacs@gnu.org; Fri, 18 Dec 2020 05:39:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1608287960; bh=gPJo4LGUMOd6J3j04CaVAdkpI7ynymntDl82VlV8r4w=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=MnRyn9XTF/K3qmWYql1LKyc7hUAo4OC6uvtMBUctwjpMQLRDzDodXT03vge29+0La ybIdseUuMfZAfhfq3tnesFOozkBfWXZGuue4YLeQArsXHuzhEsvGwTYL7uuIyEebjK En3F5t1FwbDZ1/1JCxppu/3jL0NitQ1GRrWgHqcM= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from [213.165.168.94] ([213.165.168.94]) by web-mail.gmx.net (3c-app-mailcom-bs11.server.lan [172.19.170.179]) (via HTTP); Fri, 18 Dec 2020 11:39:20 +0100 Importance: normal Sensitivity: Normal In-Reply-To: <87lfdvh0xz.fsf@posteo.net> X-UI-Message-Type: mail X-Priority: 3 X-Provags-ID: V03:K1:k+EF6mbMimfeNOk3IoHmA4nkZTbN5marHEF9PVnu26rllymk482w4yovv3k+MuklVt+uJ /vwWUKrjMcoIT9whY6QOyjKliYfs/513OkhVpMzD8iPBpgbbBl6igRy8lkrgzffPqiEPQir4HOAl d/oBSziHOgXi8vcFwFZ/QUwkcEoPq0sjGKLemmLpF6KMzjEh3ihzHZn8m/guAJcn5JyzDzL4Xgkj 0Tli3YIpys99cjMEGNZaN89DHD7gh/Qqr7RYMaBFT1xy4GrUaRJJniYQHdOCxFJAnoyCbSJ0oaFV Ew= X-UI-Out-Filterresults: notjunk:1;V03:K0:hAFKvdNEb6Q=:LH0fi9KCtBrHPaKDpjJFuc s6MMYZtbMlq/xLbYGHvIbKezd/YN4jyJVk3jLDIQskvAn0CGCnsDfE9OVsDtndT8Xl23enuRv r6R3vH7KFeCrooruMEOMmNq0GRNaoOOIITzTpohBR4pdy+24TT36wNFXzf3SFL4tTPZ0eBF0i nvv+Fssi8DN3/QQUkVdd7S8JUr4vLd5stLf2paPRcdSC62HbFOQ3+QCrmawvELR/4VVbX9BvT aRiBUJ7P5W/X1CyMRvFIBGC2Oi6oOZWDIdTKvMdX91fJZoU0HCLd+OVXnW5nXkM/170S59Qq8 T3LrI/I8P00sLNKZYcjHXYG3JQMms72qJ49h0UXEFicpP41MU/sd0r6JQVwxpLHSWTfF7viud Teja5RDHwOtM5DCyAuIXfJR6/2G7o3IidDgkxfTlQgK/pYCdDFKgdYLDdim0DNFttX4Ay6seM YN0qISRqt7ElCUz4URNLr7DY2nfFnhJoNOp/G0njZFhDSrz/Afyrm1cxelxXeIMD4pDToz7N5 knRa1inrjXT6wtUnnOWqaoqZGFQjVYxCeplatV+b5LG5GA/7NGOhUXaQOwSKMYOrxdUz+d7j4 WUMTi+nxFjLXY= Received-SPF: pass client-ip=212.227.15.19; envelope-from=steve-humphreys@gmx.com; helo=mout.gmx.net 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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:126489 Archived-At: > Sent: Friday, December 18, 2020 at 11:18 AM > From: "Philip K=2E" > To: steve-humphreys@gmx=2Ecom > Cc: "Help Gnu Emacs" > Subject: Re: ielm not described in: An Introduction to Programming in Em= acs Lisp > > steve-humphreys@gmx=2Ecom writes: >=20 > > ielm not described in: An Introduction to Programming in Emacs Lisp=2E > > > > Yet there are many reasons for beginners to use ielm=2E Have some > > examples and beginners will get more productive using it as they > > delve into new things=2E >=20 > I guess it's not mentioned, because it is not necessary, and at least to > my knowledge, most people will be using C-x C-e (eval-last-sexp) and > C-M-x (eval-defun) in the *scratch* buffer=2E Using a REPL, when you can > evaluate any part of a buffer seems like a step back to me=2E I don't know the details, but someone mentioned it to me whilst I was=20 learning about defvar, setq, and setq within a "let" construct=2E Do you plan to continue suporting ielm? If yes, include it in the Intro, as I know a few people who did not know about it=2E =20 =20 If you type C-c C-b you can change ielm=E2=80=99s working buffer to one of your choosing and then all the code you evaluate thereafter will be treated as if you executed it in the context of that buffer=2E This functionality comes in handy if you are dealing with buffer-local variables or changes that=E2=80=99re specific to one buffer only=2E Very, very powerful=2E > But I guess there would be no harm in mentioning it=2E >=20 > --=20 > Philip K=2E >=20 >