From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Newsgroups: gmane.emacs.help Subject: Re: Using variables $ma in expression 'let' Date: Sun, 6 Dec 2020 21:02:20 +0100 Message-ID: <20201206200220.GA3903@tuxteam.de> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="5mCyUwZo2JvN/JJP" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14075"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/1.5.21 (2010-09-15) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 06 21:03:16 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 1km0FX-0003ZK-JR for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 06 Dec 2020 21:03:15 +0100 Original-Received: from localhost ([::1]:52362 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1km0FW-00085z-KP for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 06 Dec 2020 15:03:14 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54804) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1km0Ep-00084L-BN for help-gnu-emacs@gnu.org; Sun, 06 Dec 2020 15:02:31 -0500 Original-Received: from mail.tuxteam.de ([5.199.139.25]:60805) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.90_1) (envelope-from ) id 1km0En-00074S-0J for help-gnu-emacs@gnu.org; Sun, 06 Dec 2020 15:02:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tuxteam.de; s=mail; h=From:In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:To:Date; bh=+rjow3hyRkfRAtLwFUAxkdd7la0cXVjZzQuR3Rukva8=; b=lEJyAKJ8/rBrIwKlsyngzPOyTNPRXlgFL7JeK+dbPz3tiBYEKx549TWoe09s2+18ZcrNP4ULUmVinPBkNQWNtza2u+kQ1z9zFBgOFYxkm0L4QuPtMTNjTnQiGJv7++s2LJt2oBE4KVqJQrKGSjsWuSvdR120wjbKS89bUvnAfdzff8IPUjlhtn97BNtJ680+P950/MrZVlfeq2mDkVsoxVOp0TCVA+rGIrLZyLnniK8ot86K4Wrv1bOwuBIjZuQIjWbEDfOakS6PkRbLYhxGFhKS1t45ST7+ZZivWm0Ss3Jyd3Uewz83K/VNEhAxYlGNPX1qLVZ88YdgXTQabYirOQ==; Original-Received: from tomas by mail.tuxteam.de with local (Exim 4.80) (envelope-from ) id 1km0Ee-0001M3-IP for help-gnu-emacs@gnu.org; Sun, 06 Dec 2020 21:02:20 +0100 Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=5.199.139.25; envelope-from=tomas@tuxteam.de; helo=mail.tuxteam.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, 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:126102 Archived-At: --5mCyUwZo2JvN/JJP Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Dec 06, 2020 at 08:57:22PM +0100, daniela-spit@gmx.it wrote: > Notices that some code uses '$' in variable names. >=20 > What is it about? >=20 > (let ((deactivate-mark nil) $ma $mb) Seen from Lisp's point of view, it's just a plain normal variable. But perhaps the code author wants to convey something to you, the reader. Cheers - t --5mCyUwZo2JvN/JJP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAl/NOMwACgkQBcgs9XrR2kYmzgCeMfyq9fo+sz8xpH+ojd6+SbiY YnkAn0maXPRr6xKdWI7inxmriv9HCmzG =a4Bz -----END PGP SIGNATURE----- --5mCyUwZo2JvN/JJP--