From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Nick Roberts Newsgroups: gmane.emacs.devel Subject: Re: Overlay arrow in *compilation* and *grep* buffers Date: Sun, 8 May 2005 17:49:11 +1200 Message-ID: <17021.43095.129208.565754@farnswood.snap.net.nz> References: <01c548ba$Blat.v2.4$e4827900@zahav.net.il> <01c54909$Blat.v2.4$070f3e60@zahav.net.il> <01c55320$Blat.v2.4$c3c8c1e0@zahav.net.il> <17021.24653.326104.756208@farnswood.snap.net.nz> <01c55385$Blat.v2.4$8140f1c0@zahav.net.il> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1115532201 23447 80.91.229.2 (8 May 2005 06:03:21 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sun, 8 May 2005 06:03:21 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun May 08 08:03:19 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DUesk-0001xW-2h for ged-emacs-devel@m.gmane.org; Sun, 08 May 2005 08:03:14 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DUf0n-0005Kt-2Z for ged-emacs-devel@m.gmane.org; Sun, 08 May 2005 02:11:33 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DUett-0003cR-Fl for emacs-devel@gnu.org; Sun, 08 May 2005 02:04:25 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DUetp-0003b0-L8 for emacs-devel@gnu.org; Sun, 08 May 2005 02:04:22 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DUetp-0003Sb-5W for emacs-devel@gnu.org; Sun, 08 May 2005 02:04:21 -0400 Original-Received: from [202.37.101.8] (helo=viper.snap.net.nz) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DUeoZ-0002Mn-53; Sun, 08 May 2005 01:58:55 -0400 Original-Received: from farnswood.snap.net.nz (p96-tnt1.snap.net.nz [202.124.110.96]) by viper.snap.net.nz (Postfix) with ESMTP id B471A4E80C2; Sun, 8 May 2005 17:53:02 +1200 (NZST) Original-Received: by farnswood.snap.net.nz (Postfix, from userid 501) id B9BA162A99; Sun, 8 May 2005 06:49:11 +0100 (BST) Original-To: Eli Zaretskii In-Reply-To: <01c55385$Blat.v2.4$8140f1c0@zahav.net.il> X-Mailer: VM 7.19 under Emacs 22.0.50.40 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:36851 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:36851 > > I said that the condition (if (display-graphic-p)... was unnecessary and > > unrequired. On a graphical display, when there is a left hand fringe > > overlay-arrow-string isn't used and when there isn't one, you presumably > > want overlay-arrow-string to be "=>". > > Let me be sure I understand you: the above says that sometimes (e.g., > when there's no left fringe), we _do_ want overlay-arrow-string to be > "=>" on a graphical display, right? If so, why do you still say that > testing for display-graphic-p is unnecessary? Sorry, I meant "and when there isn't one, you presumably want overlay-arrow-string to be "" i.e a graphical display without a left fringe should work like a text terminal. > > Richard installed a different change to simple.el. > > > > (put 'next-error-overlay-arrow-position 'overlay-arrow-string "") > > > > but this is a *different* arrow that displays in the *source* buffer. > > > > I think this change is wrong. > > Which change is wrong--Richard's or mine? Richard's. I think you're changing the behaviour of the right arrow i.e the local variable, overlay-arrow-position, which is the one used in the *compilation* buffer. Nick