From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.bugs Subject: bug#6922: 23.1; Setting read-only property in an overlay has no effect Date: Fri, 22 Jan 2016 13:58:08 +0100 Message-ID: <87bn8d93fj.fsf@mbork.pl> References: <1282834016.22363.1391876553@webmail.messagingengine.com> <87wpr67ezy.fsf@mbork.pl> <837fj49lni.fsf@gnu.org> <83oace96rp.fsf@gnu.org> <83oace6p4r.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1453467566 4830 80.91.229.3 (22 Jan 2016 12:59:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 22 Jan 2016 12:59:26 +0000 (UTC) Cc: johnw@gnu.org, mt_void@warpmail.net, rms@gnu.org, 6922@debbugs.gnu.org To: Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jan 22 13:59:15 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1aMbJ4-0004dQ-P8 for geb-bug-gnu-emacs@m.gmane.org; Fri, 22 Jan 2016 13:59:14 +0100 Original-Received: from localhost ([::1]:53179 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMbJ4-0007rc-1o for geb-bug-gnu-emacs@m.gmane.org; Fri, 22 Jan 2016 07:59:14 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34954) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMbIw-0007qb-1H for bug-gnu-emacs@gnu.org; Fri, 22 Jan 2016 07:59:09 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aMbIs-00037L-E2 for bug-gnu-emacs@gnu.org; Fri, 22 Jan 2016 07:59:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:40665) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMbIs-00037H-AE for bug-gnu-emacs@gnu.org; Fri, 22 Jan 2016 07:59:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aMbIs-0008Vh-0b for bug-gnu-emacs@gnu.org; Fri, 22 Jan 2016 07:59:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Marcin Borkowski Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 22 Jan 2016 12:59:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 6922 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 6922-submit@debbugs.gnu.org id=B6922.145346750432664 (code B ref 6922); Fri, 22 Jan 2016 12:59:01 +0000 Original-Received: (at 6922) by debbugs.gnu.org; 22 Jan 2016 12:58:24 +0000 Original-Received: from localhost ([127.0.0.1]:57118 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aMbID-0008Uj-1I for submit@debbugs.gnu.org; Fri, 22 Jan 2016 07:58:24 -0500 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:58312) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aMbI7-0008UW-KE for 6922@debbugs.gnu.org; Fri, 22 Jan 2016 07:58:19 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id 8AE1D8913B5; Fri, 22 Jan 2016 13:58:13 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0pWsojP9bXkd; Fri, 22 Jan 2016 13:58:09 +0100 (CET) Original-Received: from localhost (unknown [109.232.24.28]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 8583D8F2020; Fri, 22 Jan 2016 13:58:09 +0100 (CET) User-agent: mu4e 0.9.13; emacs 25.1.50.1 In-reply-to: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:111853 Archived-At: On 2016-01-22, at 11:59, Lars Magne Ingebrigtsen wrote: > Eli Zaretskii writes: > >> What do others think? > > I think read-only overlays sound kinda nonsensical, too. Not necessarily. This is not the same, of course, but compare Dired to Wdired: the same text is sometimes read-only and sometimes not, and it does make a lot of sense. Another possible use-case: a feature like narrowing, but not making some text invisible, but read-only instead. (This might actually be useful, e.g. in Org-mode.) Of course, you could do this with text properties and not overlays, but what I'm saying is that the assumption "it [is] strange to make certain text read-only temporarily. If it isn't supposed to change, it should never change, right?" is false in general, even in current stock Emacs. Best, -- Marcin Borkowski http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski Faculty of Mathematics and Computer Science Adam Mickiewicz University