From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.devel Subject: Re: bug#47391: 27.2; static list return from function and nconc Date: Thu, 25 Mar 2021 15:55:37 +0000 Message-ID: References: <87r1k32sir.fsf@hm.sivalik.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="qvGcDqopp7" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30941"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 47391@debbugs.gnu.org, emacs-devel@gnu.org To: Rajeev Narang Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Mar 25 16:57:18 2021 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 1lPSMI-0007wd-Jl for ged-emacs-devel@m.gmane-mx.org; Thu, 25 Mar 2021 16:57:18 +0100 Original-Received: from localhost ([::1]:36136 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lPSMH-0004qG-HT for ged-emacs-devel@m.gmane-mx.org; Thu, 25 Mar 2021 11:57:17 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48166) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPSKl-0003sc-8g for emacs-devel@gnu.org; Thu, 25 Mar 2021 11:55:43 -0400 Original-Received: from heytings.org ([95.142.160.155]:44944) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPSKi-0000as-OZ for emacs-devel@gnu.org; Thu, 25 Mar 2021 11:55:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20210101; t=1616687737; bh=ayPkMoeNHezgps/5G5CenuUaT4jD02qJIcRPElniDpk=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=C5dWbDLYk0W6Et1V4EopARtVuXcTby3ByzBmprlHQfr0wy9Bj1MQQm2E6lRPadFC4 FlaHlnOZYMwPXd09aoLsy4U1ugyzbn94GV8cDjqO3XWLLoUww0E6A2v0TR9Em6OwS4 lx0WGwUWpBQojv0qWeHAa9P0gmIJJ9zQZXK5iftnKfsxk8HL/cTHSBHvYDCM0LfI9a JHLiJCtujc0PVhdI2bZYqZn1+myuO9gqk/JbPbFKfiRzJKJCi81zZzUFA0I+AoVTou IGHDnMtDlObXrw2oXtH7skAoV0Lrgg5DNN0EY96zJVbKtJWvUlx2/CoenV/Dyc1mp4 weXUAhw0oMQ+Q== In-Reply-To: <87r1k32sir.fsf@hm.sivalik.com> Received-SPF: pass client-ip=95.142.160.155; envelope-from=gregory@heytings.org; helo=heytings.org 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_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:267026 Archived-At: --qvGcDqopp7 Content-Type: text/plain; charset=us-ascii; format=flowed > > (defun fn () '(1 2)) > > (nconc (fn) '(3)) > -> (1 2 3) > > (nconc (fn) '(3)) > -> (1 2 3 3) ? should be (1 2 3) > Why do you think this is a bug? The docstring of "nconc" says: "Concatenate any number of lists by _altering_ them. Only the last argument is not altered, and need not be a list." (append (fn) '(3)) always returns (1 2 3). > > If this is not a bug, then hfy-invisible, hfy-face-to-style-i may need > to be fixed. > Does the attached patch fix the bug you see? --qvGcDqopp7 Content-Type: text/x-diff; name=0001-lisp-htmlfontify.el-hfy-invisible-Return-a-new-list-.patch Content-Transfer-Encoding: base64 Content-ID: Content-Description: Content-Disposition: attachment; filename=0001-lisp-htmlfontify.el-hfy-invisible-Return-a-new-list-.patch RnJvbSAyNjhlMTVlYThkOTRkNGUyNThkNTc2NDA4YjYwMjZiYmM1ZTFmZGEz IE1vbiBTZXAgMTcgMDA6MDA6MDAgMjAwMQ0KRnJvbTogR3JlZ29yeSBIZXl0 aW5ncyA8Z3JlZ29yeUBoZXl0aW5ncy5vcmc+DQpEYXRlOiBUaHUsIDI1IE1h ciAyMDIxIDE1OjUxOjA1ICswMDAwDQpTdWJqZWN0OiBbUEFUQ0ggMi8yXSAq IGxpc3AvaHRtbGZvbnRpZnkuZWwgKGhmeS1pbnZpc2libGUpOiBSZXR1cm4g YSBuZXcgbGlzdA0KIGF0IGVhY2ggaW52b2NhdGlvbiAoYnVnIzQ3MzkxKQ0K DQotLS0NCiBsaXNwL2h0bWxmb250aWZ5LmVsIHwgMiArLQ0KIDEgZmlsZSBj aGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQ0KDQpkaWZm IC0tZ2l0IGEvbGlzcC9odG1sZm9udGlmeS5lbCBiL2xpc3AvaHRtbGZvbnRp ZnkuZWwNCmluZGV4IGJmYmUwZWUxNjUuLmNkN2RmNWRmZGYgMTAwNjQ0DQot LS0gYS9saXNwL2h0bWxmb250aWZ5LmVsDQorKysgYi9saXNwL2h0bWxmb250 aWZ5LmVsDQpAQCAtODIyLDcgKzgyMiw3IEBAIFZBTCBpcyBpZ25vcmVkLiIN CiAgICJUaGlzIHRleHQgc2hvdWxkIGJlIGludmlzaWJsZS4NCiBEbyBzb21l dGhpbmcgaW4gQ1NTIHRvIG1ha2UgdGhhdCBoYXBwZW4uDQogVkFMIGlzIGln bm9yZWQgaGVyZS4iDQotICAnKCgiZGlzcGxheSIgLiAibm9uZSIpKSkNCisg IChsaXN0ICcoImRpc3BsYXkiIC4gIm5vbmUiKSkpDQogDQogKGRlZnVuIGhm eS1jb21iaW5lZC1mYWNlLXNwZWMgKGZhY2UpDQogICAiUmV0dXJuIGEgYGRl ZmZhY2UnIHN0eWxlIGFsaXN0IG9mIHBvc3NpYmxlIHNwZWNpZmljYXRpb25z IGZvciBGQUNFLg0KLS0gDQoyLjMwLjINCg0K --qvGcDqopp7--