From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.devel Subject: Re: master 6ebce84ff2b: Use t for non-nil default values in boolean defcustom declarations Date: Sat, 29 Apr 2023 09:39:10 +0200 Message-ID: <87ildfxhlt.fsf@gmx.de> References: <168268729579.28551.10245924430337302769@vcs2.savannah.gnu.org> <20230428130816.81449C22A07@vcs2.savannah.gnu.org> 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="4950"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Mattias =?utf-8?Q?Engdeg=C3=A5rd?= To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Apr 29 09:40:16 2023 Return-path: Envelope-to: ged-emacs-devel@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 1psfBo-00017A-Fi for ged-emacs-devel@m.gmane-mx.org; Sat, 29 Apr 2023 09:40:16 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1psfAw-0007GA-AS; Sat, 29 Apr 2023 03:39:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psfAt-0007Fo-DA for emacs-devel@gnu.org; Sat, 29 Apr 2023 03:39:19 -0400 Original-Received: from mout.gmx.net ([212.227.15.19]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psfAr-0001rl-LT for emacs-devel@gnu.org; Sat, 29 Apr 2023 03:39:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1682753951; i=michael.albinus@gmx.de; bh=8Of+Bqr8wcYYlelkZPw14Z8Puq8tj1gxfY1aIAttbds=; h=X-UI-Sender-Class:From:To:Cc:Subject:In-Reply-To:References:Date; b=aZ6YCEAqNa/g4PnzBHWpCpkcvsW22EWDGim4I34+Gbngv1OGr16KNjSCDL9uLSXZv 7DPoZgyA5N1lQwFXB7WDb1DMcARLsxpVODIT1HyrJwavF8j2XjorDrDek+5k29MGFl eQgVC/kILsC1Cgb00eBLWnbss7WjBlV8vMkELo5NH06GmTaDSxQjIimZCGfUzQl0Qk Pgaapm5NN+ETN3FCOnAQOZSCcoKnoN5qR0wY9xL7KIpehS9n/4CDgMpaehE3mmhVEa PuDrYsiTGD8i3sARelG8QRcnCWJCy/A4DKlZzWqN7szUyLSeMc60H+3npQMCzkS9Ay cqg9SMRhgmYwg== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Original-Received: from gandalf.gmx.de ([185.89.39.0]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1McYCl-1qOh073t3F-00czeO; Sat, 29 Apr 2023 09:39:11 +0200 In-Reply-To: <20230428130816.81449C22A07@vcs2.savannah.gnu.org> ("Mattias =?utf-8?Q?Engdeg=C3=83=C2=A5rd=22's?= message of "Fri, 28 Apr 2023 09:08:15 -0400 (EDT)") X-Provags-ID: V03:K1:ALu/NMRsyLc93xmQVzpM5tRU8BStJeOkKjKVgT5Mde8sMfl2akL u0tmixpMf9zU7csMAzjPRE/RLr7CiP/jCMsP928F9gbG/keN2AEQ2tVoc12zKWxqSdhZLyH X/WqunqQteXkGA4MPYlHo/W+fa0Wet3HdHycIM662YDZytrIFzp2YWGzwMFPVh9qIArAr1+ scQoo6CkQ3aZXITqQNZkw== UI-OutboundReport: notjunk:1;M01:P0:ggAcnD4wJpE=;rpmV/ig5kBwYML7FbStyL54tIo/ DPr0xB/h17tEQ8ZTvxz/CtqZBzh/GpIIoR1uXz+fTOsUGM5AfcFE6bH9zL5/koN4aPoZWdX49 WsoretXqHX+o9eRzk/KuL0eE52sISgl3M2rsorUNtfhrj/1byKCSblx4CG6t7UJqSdJYtK7k9 WYEGVj4Trg5wQTEiUQ32RZGzJOeFV3b+C41p3L0149qdnhEYTnsB0sv3E+d0SVkN2Nc9jRmoD 1pAN5deBjTqgeoZwBOALlWklRcNeJb+fexpuiiDZHix7By+MpfuVz3wGnTVg8CvxNOJ02CHUP 2/J1Cfs17kcdnsJtIl1LQrbicY5/XSbYWFYeE5KaxLiVZcc4g97HTVTDYTQFU0rAHLYC+Vw9q 9JNWQ6Kf96dOQN8wuakRfkwzoT+e5Ti+wrr1CJTJBno1J5PJ1vHflJK7FvFluoWgbxwYi+QGr q3kIO880wclwUL+VfUTI79BWVpQHCUwwPcx8zgOyqYHfy2mRj6SLgpx5CJ/ZjdOYj+q6Y+BkM GRmL8m6jhfQ3if6lI0uBWERxssu2tkUgiNOpskri7oZdEltb228jLleDSXHJT6kLWLr760faD rMw11/POx+sW0r9LHLqxjcEIFgcNR2VqYDcgjDZ1LYX1r2j580t22CnrPuu1t4UGbRt8ZHcqv K+f9g30VN0rCN+9z26YNrMgejoHNa2a90MCpWVWa5IkEYcXndhIWyOzbr1IQ+9UZ1TW8zZjbI 7ebUYoUCTkNyFAoiJ60sNcUmlItZO7qy4keCOgdDwgTwqR2UtkqG/S8wNJ7XFZfzQ67DoXc8 Received-SPF: pass client-ip=212.227.15.19; envelope-from=michael.albinus@gmx.de; helo=mout.gmx.net X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:305707 Archived-At: Mattias Engdeg=C3=83=C2=A5rd writes: Hi Mattias, > Use t for non-nil default values in boolean defcustom declarations > > +(defcustom viper-ms-style-os-p > + (not (not (memq system-type '(ms-dos windows-nt)))) I'm just curious. Is there an advantage in using the (not (not ...)) pattern? I would use (and ... t) instead, but perhaps your pattern is more performant? Or is it just a personal style? Best regards, Michael.