From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#33309: Add flatten-list? Date: Tue, 11 Dec 2018 07:36:20 -0500 Message-ID: References: <87r2fw7jsa.fsf@gmail.com> <058f4a0f-7ce4-49c4-ae54-0bc259bd82d1@default> <87pnvg7fgg.fsf@gmail.com> <8736r5ojnc.fsf@gmx.de> <87sgz5m98k.fsf@gmail.com> <87r2epm176.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1544531718 25778 195.159.176.226 (11 Dec 2018 12:35:18 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 11 Dec 2018 12:35:18 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 33309@debbugs.gnu.org, Michael Albinus To: Alex Branham Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Dec 11 13:35:14 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gWhFp-0006a6-7F for geb-bug-gnu-emacs@m.gmane.org; Tue, 11 Dec 2018 13:35:13 +0100 Original-Received: from localhost ([::1]:37787 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gWhHv-0007n5-KB for geb-bug-gnu-emacs@m.gmane.org; Tue, 11 Dec 2018 07:37:23 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33293) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gWhHm-0007lb-5p for bug-gnu-emacs@gnu.org; Tue, 11 Dec 2018 07:37:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gWhHi-00053r-1o for bug-gnu-emacs@gnu.org; Tue, 11 Dec 2018 07:37:14 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:38620) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gWhHg-000536-Dh for bug-gnu-emacs@gnu.org; Tue, 11 Dec 2018 07:37:09 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gWhHf-0001Jb-Q2 for bug-gnu-emacs@gnu.org; Tue, 11 Dec 2018 07:37:07 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 11 Dec 2018 12:37:07 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33309 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 33309-submit@debbugs.gnu.org id=B33309.15445317874903 (code B ref 33309); Tue, 11 Dec 2018 12:37:07 +0000 Original-Received: (at 33309) by debbugs.gnu.org; 11 Dec 2018 12:36:27 +0000 Original-Received: from localhost ([127.0.0.1]:42878 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gWhH0-0001H0-BC for submit@debbugs.gnu.org; Tue, 11 Dec 2018 07:36:26 -0500 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:53527) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gWhGx-0001Gr-0v for 33309@debbugs.gnu.org; Tue, 11 Dec 2018 07:36:24 -0500 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.7/8.14.1) with ESMTP id wBBCaL1h024020; Tue, 11 Dec 2018 07:36:21 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id 003406A4F8; Tue, 11 Dec 2018 07:36:20 -0500 (EST) In-Reply-To: <87r2epm176.fsf@gmail.com> (Alex Branham's message of "Mon, 10 Dec 2018 17:06:21 -0600") X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 2 Rules triggered EDT_SA_DN_PASS=0, RV6437=0 X-NAI-Spam-Version: 2.3.0.9418 : core <6437> : inlines <6980> : streams <1806815> : uri <2763254> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:153357 Archived-At: >> I think we should document clearly what should happen with nil and with >> dotted pairs. > Thanks for checking those others. I think it makes sense to completely > "flatten" the tree. In other words, combine all dotted pairs. I'm less > sure about what to do with nil entries. It looks like most of the > existing implementations drop nil elements, so I guess we'll do that? I don't know: I've never needed to "flatten a tree" (nor know when one might want to do that) and haven't looked at the existing uses either. Stefan