From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.devel Subject: Re: Emacs 26.1 release branch created Date: Tue, 26 Sep 2017 20:26:48 +0000 Message-ID: <20170926202648.GB5190@ACM> References: <20170924194139.GA6793@ACM> <20170925190357.GA4651@ACM> <855b1231-2279-4fd7-a2d6-be65435bb8be@default> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: blaine.gmane.org 1506458137 10516 195.159.176.226 (26 Sep 2017 20:35:37 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 26 Sep 2017 20:35:37 +0000 (UTC) User-Agent: Mutt/1.7.2 (2016-11-26) Cc: Drew Adams , emacs-devel@gnu.org To: Philipp Stephani Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Sep 26 22:35:31 2017 Return-path: Envelope-to: ged-emacs-devel@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 1dwwZl-00028p-Gk for ged-emacs-devel@m.gmane.org; Tue, 26 Sep 2017 22:35:29 +0200 Original-Received: from localhost ([::1]:51071 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwwZt-0005mf-0P for ged-emacs-devel@m.gmane.org; Tue, 26 Sep 2017 16:35:37 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49943) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwwZ1-0005ME-D6 for emacs-devel@gnu.org; Tue, 26 Sep 2017 16:34:44 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwwYx-00064t-FX for emacs-devel@gnu.org; Tue, 26 Sep 2017 16:34:43 -0400 Original-Received: from ocolin.muc.de ([193.149.48.4]:14092 helo=mail.muc.de) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1dwwYx-00061P-2t for emacs-devel@gnu.org; Tue, 26 Sep 2017 16:34:39 -0400 Original-Received: (qmail 76279 invoked by uid 3782); 26 Sep 2017 20:34:36 -0000 Original-Received: from acm.muc.de (p548C68A6.dip0.t-ipconnect.de [84.140.104.166]) by colin.muc.de (tmda-ofmipd) with ESMTP; Tue, 26 Sep 2017 22:34:36 +0200 Original-Received: (qmail 6189 invoked by uid 1000); 26 Sep 2017 20:26:48 -0000 Content-Disposition: inline In-Reply-To: X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 193.149.48.4 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:218812 Archived-At: Hello, Philipp. On Tue, Sep 26, 2017 at 19:28:07 +0000, Philipp Stephani wrote: > Drew Adams schrieb am Di., 26. Sep. 2017 um > 04:53 Uhr: > > Uh, let-binding dynamic variables is as old as the hills. > > It's older than Emacs (and that's saying something). > > > It's still no good. Dynamic variables are global mutable state, with all > its downsides. And upsides. And upside downs. > Early Lisps had only dynamic binding because people didn't know better. But > now we know that global mutable state is almost always undesirable and > avoid id wherever we can. But my buffers are global mutable states. The whole world is a global mutable state. Literally. How can we model them without such things in our languages? Why would we want to? But you're trolling, aren't you? -- Alan Mackenzie (Nuremberg, Germany).