From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Most of Elisp lacks lexical-binding: t Date: Wed, 06 Feb 2019 17:47:45 -0500 Message-ID: References: <15a15e1c-c44b-b978-82f0-7bbb6b1b8ff1@googlemail.com> <20190202145423.GB1067@ACM> <87y36vzrhl.fsf@russet.org.uk> <83zhraud00.fsf@gnu.org> <87imxwsn5t.fsf@russet.org.uk> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="173195"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: phillip.lord@russet.org.uk (Phillip Lord) Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Feb 06 23:48:35 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1grVze-000ird-Pa for ged-emacs-devel@m.gmane.org; Wed, 06 Feb 2019 23:48:34 +0100 Original-Received: from localhost ([127.0.0.1]:59563 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1grVzd-0004DE-DO for ged-emacs-devel@m.gmane.org; Wed, 06 Feb 2019 17:48:33 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:43986) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1grVyw-0004CK-KW for emacs-devel@gnu.org; Wed, 06 Feb 2019 17:47:51 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1grVyv-0006SE-EH for emacs-devel@gnu.org; Wed, 06 Feb 2019 17:47:50 -0500 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:57016) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1grVyv-0006RG-9U for emacs-devel@gnu.org; Wed, 06 Feb 2019 17:47:49 -0500 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.7/8.14.1) with ESMTP id x16MljTj010601; Wed, 6 Feb 2019 17:47:46 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id 6367D6A249; Wed, 6 Feb 2019 17:47:45 -0500 (EST) In-Reply-To: <87imxwsn5t.fsf@russet.org.uk> (Phillip Lord's message of "Wed, 06 Feb 2019 19:59:58 +0000") 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, RV6477=0 X-NAI-Spam-Version: 2.3.0.9418 : core <6477> : inlines <7011> : streams <1812289> : uri <2792031> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.20 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:233068 Archived-At: >> Yup. The path to getting rid of lexical-binding=nil will be long. > Longer still if it is not started. Indeed. Maybe you want to weigh in at bug#30078. > Put code in so that if copyright year < 2018 then use dynamic by > default, otherwise use lexical? Good idea. Tho I think we might be better off looking at the file's timestamp instead, since many files don't have a reliably recognizable copyright year. > (This is not a serious suggestion, just in case there is any doubt). This ship has sailed. > It will break things, no doubt about it. I suspect it will break things > whenever it happens, though, so this isn't a reason for not doing it. Breakage will be inevitable, indeed, but we can spread the pain over some number of years. Stefan