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#18285: 24.3.92; A combination of `display' on text and `invisible' and `before/after-string' leads to the before/after string being displayed twice Date: Sun, 24 Aug 2014 05:44:26 +0300 Message-ID: <8338cmmws5.fsf@gnu.org> References: <86d2bypwx1.fsf@yandex.ru> <83k365defw.fsf@gnu.org> <53F5FD0B.1070800@yandex.ru> <83ppftc2kv.fsf@gnu.org> <53F6130A.5090102@yandex.ru> <83mwaxbze5.fsf@gnu.org> <53F695CF.1040606@yandex.ru> <83bnrdauwa.fsf@gnu.org> <53F72C7F.7050108@yandex.ru> <83sikomz1a.fsf@gnu.org> <53F7A1B7.2080607@yandex.ru> <83iolkmeg4.fsf@gnu.org> <53F93FCA.2040607@yandex.ru> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1408848324 2850 80.91.229.3 (24 Aug 2014 02:45:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 24 Aug 2014 02:45:24 +0000 (UTC) Cc: 18285@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Aug 24 04:45:17 2014 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 1XLNnx-0001MG-Ad for geb-bug-gnu-emacs@m.gmane.org; Sun, 24 Aug 2014 04:45:17 +0200 Original-Received: from localhost ([::1]:42818 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XLNnw-00085P-S0 for geb-bug-gnu-emacs@m.gmane.org; Sat, 23 Aug 2014 22:45:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60457) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XLNno-00082d-S1 for bug-gnu-emacs@gnu.org; Sat, 23 Aug 2014 22:45:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XLNnj-0006B4-Hc for bug-gnu-emacs@gnu.org; Sat, 23 Aug 2014 22:45:08 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43603) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XLNnj-0006Am-DK for bug-gnu-emacs@gnu.org; Sat, 23 Aug 2014 22:45:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XLNni-0000ZX-0O for bug-gnu-emacs@gnu.org; Sat, 23 Aug 2014 22:45:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 24 Aug 2014 02:45:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18285 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18285-submit@debbugs.gnu.org id=B18285.14088482732152 (code B ref 18285); Sun, 24 Aug 2014 02:45:01 +0000 Original-Received: (at 18285) by debbugs.gnu.org; 24 Aug 2014 02:44:33 +0000 Original-Received: from localhost ([127.0.0.1]:50546 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XLNnE-0000Ye-5i for submit@debbugs.gnu.org; Sat, 23 Aug 2014 22:44:32 -0400 Original-Received: from mtaout27.012.net.il ([80.179.55.183]:57225) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XLNnA-0000YO-H7 for 18285@debbugs.gnu.org; Sat, 23 Aug 2014 22:44:29 -0400 Original-Received: from conversion-daemon.mtaout27.012.net.il by mtaout27.012.net.il (HyperSendmail v2007.08) id <0NAS00G00H4YKZ00@mtaout27.012.net.il> for 18285@debbugs.gnu.org; Sun, 24 Aug 2014 05:39:05 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout27.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NAS00M5UI15ZF00@mtaout27.012.net.il>; Sun, 24 Aug 2014 05:39:05 +0300 (IDT) In-reply-to: <53F93FCA.2040607@yandex.ru> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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:92632 Archived-At: > Date: Sun, 24 Aug 2014 05:28:42 +0400 > From: Dmitry Gutov > CC: 18285@debbugs.gnu.org > > On 08/23/2014 12:55 AM, Eli Zaretskii wrote: > > > Look at the code inside load_overlay_strings that handles this, to > > understand what I'm saying. > > Do you mean the situation when the `invisible' overlay starts before the > `display' starts? And then we skip to the end because of `invisible', > but that position is covered by `display', so if we ignore the > `invisible' there, `before-string' would not be displayed? No, I mean the situation where a before-string or after-string overlay is put on invisible text. > Basically, my suggestion was to ignore it when `display' already > performs all of its job. But the edge cases make it more complicated. It's always the corner cases that add enormous complications. We are talking about such corner case.