From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Unbalanced change hooks (part 2) [Documentation fix still remaining] Date: Wed, 10 Aug 2016 19:54:36 +0300 Message-ID: <83wpjofttf.fsf@gnu.org> References: <838tw7hyk2.fsf@gnu.org> <20160808195459.GD7208@acm.fritz.box> <83tweugeu9.fsf@gnu.org> <20160809163814.GD4893@acm.fritz.box> <83inv9hkjd.fsf@gnu.org> <83h9ashfgx.fsf@gnu.org> <831t1wharr.fsf@gnu.org> <20160810161821.GB3413@acm.fritz.box> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1470848156 18349 195.159.176.226 (10 Aug 2016 16:55:56 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 10 Aug 2016 16:55:56 +0000 (UTC) Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Aug 10 18:55:50 2016 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 1bXWnG-0004YG-G3 for ged-emacs-devel@m.gmane.org; Wed, 10 Aug 2016 18:55:50 +0200 Original-Received: from localhost ([::1]:42777 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXWnD-0007Qv-FW for ged-emacs-devel@m.gmane.org; Wed, 10 Aug 2016 12:55:47 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34562) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXWmR-0007O6-Ss for emacs-devel@gnu.org; Wed, 10 Aug 2016 12:55:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bXWmL-0005td-79 for emacs-devel@gnu.org; Wed, 10 Aug 2016 12:54:58 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:43110) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXWmL-0005tI-3s; Wed, 10 Aug 2016 12:54:53 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4170 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bXWmI-0005QL-Tj; Wed, 10 Aug 2016 12:54:51 -0400 In-reply-to: <20160810161821.GB3413@acm.fritz.box> (message from Alan Mackenzie on Wed, 10 Aug 2016 16:18:21 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:206546 Archived-At: > Date: Wed, 10 Aug 2016 16:18:21 +0000 > Cc: Stefan Monnier , emacs-devel@gnu.org > From: Alan Mackenzie > > > > Then the old text was right: it's called before ANY modification. > > > Convince Alan, and I will change it back. > > For what it's worth, I don't like the vagueness of the doc as it > currently is, and I wouldn't be against changing it back _FOR 25.1_ > We've got a bug, but it's not urgent enough to have to be fixed for > 25.1. I made further adjustments to the text. It is now closer to what it was before, but I don't feel it's wise for it to be as definitive as it was originally, as someone will surely interpret that too literally and file another bug report, or design a feature based on incorrect assumptions. > Some while ago, I think you said that there is a systematic basis for > when before-change-functions doesn't get called. Is that still your > view? Yes. > If so, let's document that system. It's too complicated to describe that. We would need to describe some internal aspects of the implementation in great detail. I don't see that as worth our while. Thanks.