From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: tomas@tuxteam.de Newsgroups: gmane.emacs.help Subject: Re: Using variables $ma in expression 'let' Date: Sun, 6 Dec 2020 22:23:20 +0100 Message-ID: <20201206212320.GA8786@tuxteam.de> References: <20201206200220.GA3903@tuxteam.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W/nzBZO5zC0uMSeA" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4200"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/1.5.21 (2010-09-15) Cc: help-gnu-emacs@gnu.org To: daniela-spit@gmx.it Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 06 22:25:38 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 1km1XG-0000zf-3R for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 06 Dec 2020 22:25:38 +0100 Original-Received: from localhost ([::1]:36866 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1km1XF-0005XK-5w for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 06 Dec 2020 16:25:37 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40202) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1km1V7-0005Cl-IW for help-gnu-emacs@gnu.org; Sun, 06 Dec 2020 16:23:25 -0500 Original-Received: from mail.tuxteam.de ([5.199.139.25]:60973) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.90_1) (envelope-from ) id 1km1V5-0006N9-Ex for help-gnu-emacs@gnu.org; Sun, 06 Dec 2020 16:23:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tuxteam.de; s=mail; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date; bh=dCXUaUS2VsF2lwMt4iZzJhWq2z/U4aAVIs7mM/L3i8o=; b=EZ90RNUQ47cNauWRYNBAss9a5LKj7l44vRBpBrU2O7NuZql1ipKjTT0VjN0AO13iCXWCdrG/ln5TmgL1T6p57eKAGZUewQR4fMfx9FVWMw/jQWBMNk0z3iwjN9LwoI5xV8kl0MGAgtH0CCfNSjrfIO4LJ3p9i6LL4wAa5r+p+BOKdK8XyJZBT9VED48QYQHCHny7xXOoJKjcb6RDbfgdtJVLf4QrY7g8p8Jc0aeSpBsWQISgJDDgixjWz5BnfqNZIkt8Ul1f7nvNdHaAGsklpdTKpRX/tmIO0jWXeqHPlT1hyXrWl1Dwa2g2ifx1wyBOknzI4NR+jzTzn4MWVInf5Q==; Original-Received: from tomas by mail.tuxteam.de with local (Exim 4.80) (envelope-from ) id 1km1V2-0002R2-Vu; Sun, 06 Dec 2020 22:23:21 +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:126111 Archived-At: --W/nzBZO5zC0uMSeA Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Dec 06, 2020 at 09:15:25PM +0100, daniela-spit@gmx.it wrote: >=20 > > Sent: Sunday, December 06, 2020 at 9:02 PM > > From: tomas@tuxteam.de > > To: help-gnu-emacs@gnu.org > > Subject: Re: Using variables $ma in expression 'let' > > > > On Sun, Dec 06, 2020 at 08:57:22PM +0100, daniela-spit@gmx.it wrote: > > > Notices that some code uses '$' in variable names. > > > > > > What is it about? > > > > > > (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. >=20 > Thank you, I simply wondered if it was some special tag interpreted > by emacs. >=20 > Do authors usually try to convey that a variable is only part of a functi= on? I think there's no general rule. Ask the author :-) Cheers - t --W/nzBZO5zC0uMSeA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAl/NS8gACgkQBcgs9XrR2kb8tQCfSqVH4oieemxV3NeiVjEbC837 84QAnRkvBF0Z+E6jby6jtd9pcNIgiODQ =wvvo -----END PGP SIGNATURE----- --W/nzBZO5zC0uMSeA--