From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.devel Subject: `self-insert-uses-region-functions'? Date: Wed, 23 Jul 2014 10:26:35 -0700 (PDT) Message-ID: <3714f2f0-dad3-4ac9-8006-6983a48bc552@default> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1406136461 2737 80.91.229.3 (23 Jul 2014 17:27:41 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 23 Jul 2014 17:27:41 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jul 23 19:27:34 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 1XA0K9-0000pb-0n for ged-emacs-devel@m.gmane.org; Wed, 23 Jul 2014 19:27:29 +0200 Original-Received: from localhost ([::1]:46296 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XA0K8-0000S4-HA for ged-emacs-devel@m.gmane.org; Wed, 23 Jul 2014 13:27:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43698) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XA0JV-0008Gx-Te for emacs-devel@gnu.org; Wed, 23 Jul 2014 13:26:59 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XA0JM-00024n-Jq for emacs-devel@gnu.org; Wed, 23 Jul 2014 13:26:49 -0400 Original-Received: from aserp1040.oracle.com ([141.146.126.69]:23788) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XA0JM-00024d-Ct for emacs-devel@gnu.org; Wed, 23 Jul 2014 13:26:40 -0400 Original-Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s6NHQcQx028178 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 23 Jul 2014 17:26:38 GMT Original-Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s6NHQb0T018333 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 23 Jul 2014 17:26:37 GMT Original-Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s6NHQbUx024727 for ; Wed, 23 Jul 2014 17:26:37 GMT X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.8 (707110) [OL 12.0.6691.5000 (x86)] X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 141.146.126.69 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:173104 Archived-At: What can anyone tell me about this symbol, whose value is presumably a function or a list of functions. The only use I see of it in the Emacs code is as a `delete-selection' TYPE value. For example: (put 'self-insert-command 'delete-selection (lambda () (not (run-hook-with-args-until-success 'self-insert-uses-region-functions)))) (Similarly, for some other functions besides `self-insert-command'.) That's fine (hook variables need not be defined or documented), but it seems like this hook, with such an evocative name ;-), might have some intended meaning beyond use by `delete-selection-mode'. (Else why "use-region" instead of something about delete-selection?) This seems to have been introduced without any real use of it, so far. So I'm curious what the intention is.