From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#1092: compilation-goto-error goes to wrong location when buffer has hidden regions Date: Sun, 03 Jan 2016 18:53:13 +0200 Message-ID: <8360zaa9l2.fsf@gnu.org> References: <48E90990.1020101@gmail.com> <83k2nqadd0.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1451840071 14038 80.91.229.3 (3 Jan 2016 16:54:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 3 Jan 2016 16:54:31 +0000 (UTC) Cc: ahyatt@gmail.com, 1092@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jan 03 17:54:16 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 1aFlv5-00059O-B2 for geb-bug-gnu-emacs@m.gmane.org; Sun, 03 Jan 2016 17:54:15 +0100 Original-Received: from localhost ([::1]:42205 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aFlv1-0003Qk-NZ for geb-bug-gnu-emacs@m.gmane.org; Sun, 03 Jan 2016 11:54:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43823) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aFlux-0003Qe-60 for bug-gnu-emacs@gnu.org; Sun, 03 Jan 2016 11:54:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aFlus-0004YQ-Jg for bug-gnu-emacs@gnu.org; Sun, 03 Jan 2016 11:54:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48612) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aFlus-0004YH-Fc for bug-gnu-emacs@gnu.org; Sun, 03 Jan 2016 11:54:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aFlus-00008h-9k for bug-gnu-emacs@gnu.org; Sun, 03 Jan 2016 11:54:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 03 Jan 2016 16:54:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 1092 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: wontfix Original-Received: via spool by 1092-submit@debbugs.gnu.org id=B1092.1451840005477 (code B ref 1092); Sun, 03 Jan 2016 16:54:02 +0000 Original-Received: (at 1092) by debbugs.gnu.org; 3 Jan 2016 16:53:25 +0000 Original-Received: from localhost ([127.0.0.1]:36832 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aFluH-00007d-5k for submit@debbugs.gnu.org; Sun, 03 Jan 2016 11:53:25 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:52750) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aFluF-00007Q-9P for 1092@debbugs.gnu.org; Sun, 03 Jan 2016 11:53:23 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aFlu5-0004U1-Ih for 1092@debbugs.gnu.org; Sun, 03 Jan 2016 11:53:18 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:45103) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aFlu5-0004Tx-FW; Sun, 03 Jan 2016 11:53:13 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2481 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aFlu4-0006FA-NW; Sun, 03 Jan 2016 11:53:13 -0500 In-reply-to: (message from Stefan Monnier on Sun, 03 Jan 2016 11:06:19 -0500) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:111155 Archived-At: > From: Stefan Monnier > Cc: ahyatt@gmail.com, 1092@debbugs.gnu.org > Date: Sun, 03 Jan 2016 11:06:19 -0500 > > >> There are several problems with selective-display: > >> - first and foremost, the variable provides 2 different features: > >> - when set to t, it makes CR behave specially (it's a special > >> line-separator that makes the next line invisible). > >> - when set to a number, it makes all lines indented deeper than this > >> number invisible. > > Why is that a problem? > > It's not a problem in itself, no. But it means that if you want to > obsolete only one of the two uses, you can't just mark the variable > as obsolete. We cannot declare it obsolete without replacement features in place to which we can point. > > I wish every rarely used display feature was so lightweight as > > selective-display. > > It's not lightweight on the Elisp side where you need to add a lot of > extra code in ever more places to handle the special meaning of \r in > that rare case. I don't see any problem with that, either. Our Lisp code is full of special cases anyway. > > Anyway, I don't see how this report of a minor bug should trigger such > > far-reaching conclusions. It took me all of 5 minutes to fix it; we > > should have done this 7 years ago. I'm sorry we didn't, but better > > late than never. > > I think the fix is worse than the problem, personally. Yes, we disagree.