From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Propagating local variables? Date: Sat, 19 May 2018 15:12:11 -0400 Message-ID: References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1526757025 13273 195.159.176.226 (19 May 2018 19:10:25 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 19 May 2018 19:10:25 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat May 19 21:10:21 2018 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 1fK7FE-0003M3-LJ for ged-emacs-devel@m.gmane.org; Sat, 19 May 2018 21:10:20 +0200 Original-Received: from localhost ([::1]:44090 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fK7HK-0006e5-5v for ged-emacs-devel@m.gmane.org; Sat, 19 May 2018 15:12:30 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35100) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fK7HD-0006do-PI for emacs-devel@gnu.org; Sat, 19 May 2018 15:12:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fK7HA-0000LI-LZ for emacs-devel@gnu.org; Sat, 19 May 2018 15:12:23 -0400 Original-Received: from [195.159.176.226] (port=55380 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fK7HA-0000Kc-D8 for emacs-devel@gnu.org; Sat, 19 May 2018 15:12:20 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1fK7F1-0003AQ-45 for emacs-devel@gnu.org; Sat, 19 May 2018 21:10:07 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 11 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:8xHCaXjRHdlFXMQV5HRgpfckoAM= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 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:225453 Archived-At: > `with-temp-buffer' can currently assume that buffer-local variables are > take from their global defaults and not from the "parent" buffer. This > needs to stay that way. So probably such an inheritance facility should be > opt-in and not affect existing code. For that same reason I'd recommend we don't try and tweak the way variables work, but instead build something else (maybe using buffer-local variables internally). Stefan