From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: storm@cua.dk (Kim F. Storm) Newsgroups: gmane.emacs.devel Subject: Re: Should overlays evaporate by default? Date: Fri, 13 May 2005 10:17:42 +0200 Message-ID: References: <200505101556.j4AFupmb015431@brains.moreideas.ca> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1115972661 25574 80.91.229.2 (13 May 2005 08:24:21 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 13 May 2005 08:24:21 +0000 (UTC) Cc: bob@rattlesnake.com, monnier@iro.umontreal.ca, emacs@whaite.ca, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri May 13 10:24:18 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DWVSd-0001F7-LL for ged-emacs-devel@m.gmane.org; Fri, 13 May 2005 10:23:56 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DWVbj-0003bY-SH for ged-emacs-devel@m.gmane.org; Fri, 13 May 2005 04:33:20 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DWVOC-00074r-Gh for emacs-devel@gnu.org; Fri, 13 May 2005 04:19:21 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DWVO1-00070H-EF for emacs-devel@gnu.org; Fri, 13 May 2005 04:19:10 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DWVO0-0006zb-D8 for emacs-devel@gnu.org; Fri, 13 May 2005 04:19:08 -0400 Original-Received: from [212.88.64.25] (helo=mail-relay.sonofon.dk) by monty-python.gnu.org with smtp (Exim 4.34) id 1DWVTL-00041D-8b for emacs-devel@gnu.org; Fri, 13 May 2005 04:24:39 -0400 Original-Received: (qmail 26489 invoked from network); 13 May 2005 08:17:34 -0000 Original-Received: from unknown (HELO kfs-l.imdomain.dk.cua.dk) (213.83.150.2) by 0 with SMTP; 13 May 2005 08:17:34 -0000 Original-To: rms@gnu.org In-Reply-To: (Richard Stallman's message of "Thu, 12 May 2005 21:34:03 -0400") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:37066 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:37066 Richard Stallman writes: > > It occur to me that we could make it easier to find those places. > > Suppose that by default the `evaporate' property is set to `display-warning'. > > Suppose that in this case, when the overlay becomes empty, it evaporates > > and displays a warning using `display-warning'. > > We can do that immediately AFTER the release. > > Why would it be better then than now? > No matter when we do it, it will cause some programs > to issue these warnings. People will have to report them > so we can fix them. The natural time to do that will be > in pretesting. We will soon (I hope) do pretesting. We do "pretesting" all the time with CVS emacs -- there are many ordinary users using it already for everyday work. > Why postpone this till the pretest of the subsequent version? Because it will delay releasing 22.x. > > If this were a new feature, I would say let's put it off. > But it is not a feature but a way of finding bugs, such as > the bug that Bob and others tracked down with so much effort > and time. It is not a new feature, and so the bugs it causes are not new either -- if we hope to fix every possible bug before releasing 22.x, it will never be ready! > This change would involve some work. We would have to > check all 136 or so calls to make-overlay or its synonyms > in the Emacs sources, and change each of them to DTRT > with the overlay property. That's a substantial job > and maybe nobody wants to do it. I don't have time. -- Kim F. Storm http://www.cua.dk