From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Emacs rewrite in a maintainable language Date: Sun, 18 Oct 2015 12:13:13 -0700 Organization: UCLA Computer Science Department Message-ID: <5623EF49.9030209@cs.ucla.edu> References: <561A19AB.5060001@cumego.com> <8737xf9je9.fsf@fencepost.gnu.org> <87pp0fm0j3.fsf@gnu.org> <87r3kusx8z.fsf@fencepost.gnu.org> <83lhb26eb9.fsf@gnu.org> <876126key3.fsf@gnu.org> <83fv1a6bfu.fsf@gnu.org> <87d1weo7u9.fsf@gnu.org> <83zizi3qr0.fsf@gnu.org> <87lhb1n81y.fsf@gnu.org> <83si594wt3.fsf@gnu.org> <87io64iigs.fsf@gnu.org> <87r3kso1gr.fsf@fencepost.gnu.org> <87wpuks5ek.fsf@T420.taylan> <83vba4i1z3.fsf@gnu.org> <87pp0cqgjf.fsf@T420.taylan> <83twpoi0sp.fsf@gnu.org> <878u70qf75.fsf@T420.taylan> <83mvvghydi.fsf@gnu.org> <5623E3B5.8050407@dancol.org> <87y4f0kos9.fsf@fencepost.gnu.org> <5623EAB2.5000008@dancol.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1445195626 3173 80.91.229.3 (18 Oct 2015 19:13:46 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 18 Oct 2015 19:13:46 +0000 (UTC) Cc: emacs-devel@gnu.org To: Daniel Colascione Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Oct 18 21:13:35 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZntOg-0003Bu-Du for ged-emacs-devel@m.gmane.org; Sun, 18 Oct 2015 21:13:34 +0200 Original-Received: from localhost ([::1]:35246 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZntOf-0004YI-SV for ged-emacs-devel@m.gmane.org; Sun, 18 Oct 2015 15:13:33 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43910) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZntOT-0004Y6-DX for emacs-devel@gnu.org; Sun, 18 Oct 2015 15:13:22 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZntOQ-0000TS-26 for emacs-devel@gnu.org; Sun, 18 Oct 2015 15:13:21 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:49287) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZntOP-0000TK-Sl for emacs-devel@gnu.org; Sun, 18 Oct 2015 15:13:18 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 14564160CF5; Sun, 18 Oct 2015 12:13:17 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id dwicrsA_gA1G; Sun, 18 Oct 2015 12:13:16 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 2B286160D2B; Sun, 18 Oct 2015 12:13:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 5JsAWtVMTGIr; Sun, 18 Oct 2015 12:13:16 -0700 (PDT) Original-Received: from [192.168.1.9] (pool-100-32-155-148.lsanca.fios.verizon.net [100.32.155.148]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 09DB5160CF5; Sun, 18 Oct 2015 12:13:16 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 In-Reply-To: <5623EAB2.5000008@dancol.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:192004 Archived-At: Daniel Colascione wrote: > Consider my recent change to add finalizers to elisp. I saw a need for > the feature and just implemented it directly in Emacs. What would the > equivalent be in a guilemacs world? I'd have had to make the change > upstream in guile (where I suspect the process is much more involved), > wait for a stable release of guile, added Emacs support, and then still > not have been able to rely on the feature until Emacs dropped support > for the last version of Guile to lack the feature. This is a reasonable objection. Perhaps we could overcome it the same way we overcome a similar problem with Emacs and Gnulib. When you need to make a change involving Gnulib code in Emacs (say, to the file lib/time.in.h), there isn't a problem: you can just change lib/time.in.h in the Savannah git master for Emacs. At some point a gnome comes along, notices that the Emacs copy of lib/time.in.h disagrees with the Gnulib copy, and merges the two. We could do the same for Guile. That is, the Emacs savannah git could contain a copy of the relevant Guile sources (presumably only a subset of the Guile source code would be needed, just as only a small subset of Gnulib is needed). There would be an established procedure to merge the two when they become out of sync; for Gnulib, this is partly automated by Emacs's admin/merge-gnulib script. For Gnulib I'm the gnome. For this process to work well with Guile, we'd need a gnome or two for Guile.