From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Multiple next-error sources Date: Fri, 07 Nov 2014 10:55:50 -0500 Message-ID: References: <20141102151524.0d9c665c@forcix> <20141102172944.0f7944e3@forcix> <20141103084433.12117c03@forcix> <86fvdwgxqs.fsf@yandex.ru> <20141106180815.207bf7ad@forcix> <20141107104914.17f04967@forcix> <545CE443.50502@dancol.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1415375785 26240 80.91.229.3 (7 Nov 2014 15:56:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 7 Nov 2014 15:56:25 +0000 (UTC) Cc: emacs-devel@gnu.org, Helmut Eller , Jorgen Schaefer To: Daniel Colascione Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Nov 07 16:56:18 2014 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 1XmltT-0007Kt-GE for ged-emacs-devel@m.gmane.org; Fri, 07 Nov 2014 16:56:11 +0100 Original-Received: from localhost ([::1]:60799 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XmltT-0001wr-3I for ged-emacs-devel@m.gmane.org; Fri, 07 Nov 2014 10:56:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XmltH-0001o7-Qq for emacs-devel@gnu.org; Fri, 07 Nov 2014 10:56:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XmltA-0000S6-Bl for emacs-devel@gnu.org; Fri, 07 Nov 2014 10:55:59 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:41990) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XmltA-0000Rz-7T for emacs-devel@gnu.org; Fri, 07 Nov 2014 10:55:52 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Au4MAOatTlRLd+sd/2dsb2JhbABcgw6DYoZ+y1MEAgKBHBcBAXyEAwEBAwFWIwULCw4mEhQYDSSISwnLcgEBAQEGAQEBAR6RCAeESwWLZKY8gW+EFh+CegEBAQ X-IPAS-Result: Au4MAOatTlRLd+sd/2dsb2JhbABcgw6DYoZ+y1MEAgKBHBcBAXyEAwEBAwFWIwULCw4mEhQYDSSISwnLcgEBAQEGAQEBAR6RCAeESwWLZKY8gW+EFh+CegEBAQ X-IronPort-AV: E=Sophos;i="5.04,797,1406606400"; d="scan'208";a="96209277" Original-Received: from 75-119-235-29.dsl.teksavvy.com (HELO pastel.home) ([75.119.235.29]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 07 Nov 2014 10:55:51 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id 025DE8874; Fri, 7 Nov 2014 10:55:50 -0500 (EST) In-Reply-To: <545CE443.50502@dancol.org> (Daniel Colascione's message of "Fri, 07 Nov 2014 15:24:51 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 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:176533 Archived-At: > I strongly dislike this approach. It conflates customization points with > implementation details. Hook variables clearly separate the two ideas. foo-function *is* a customization point and not an implementation detail. That's the difference between using add-function on a foo-function (a customization point) and using advice-add on some function (some implementation detail). > There's also no buffer-local add-function equivalent. Of course there is: (add-function :before-until (local 'next-error-function) #'my-function) -- Stefan