From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#31067: 27.0.50; After-string hidden by subsequent invisible text Date: Wed, 04 Apr 2018 22:28:59 -0400 Message-ID: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1522895264 2776 195.159.176.226 (5 Apr 2018 02:27:44 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 5 Apr 2018 02:27:44 +0000 (UTC) To: 31067@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Apr 05 04:27:40 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f3ucl-0000aI-Iw for geb-bug-gnu-emacs@m.gmane.org; Thu, 05 Apr 2018 04:27:40 +0200 Original-Received: from localhost ([::1]:48957 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f3uep-0006Dv-FN for geb-bug-gnu-emacs@m.gmane.org; Wed, 04 Apr 2018 22:29:47 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38979) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f3ueB-0005hQ-Qo for bug-gnu-emacs@gnu.org; Wed, 04 Apr 2018 22:29:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f3ue6-0008BY-Sg for bug-gnu-emacs@gnu.org; Wed, 04 Apr 2018 22:29:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:59145) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f3ue6-0008BS-Pw for bug-gnu-emacs@gnu.org; Wed, 04 Apr 2018 22:29:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1f3ue6-00022d-J2 for bug-gnu-emacs@gnu.org; Wed, 04 Apr 2018 22:29:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 05 Apr 2018 02:29:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 31067 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.15228953117809 (code B ref -1); Thu, 05 Apr 2018 02:29:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 5 Apr 2018 02:28:31 +0000 Original-Received: from localhost ([127.0.0.1]:38809 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f3uda-00021t-PV for submit@debbugs.gnu.org; Wed, 04 Apr 2018 22:28:30 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:47707) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f3udX-00021f-Va for submit@debbugs.gnu.org; Wed, 04 Apr 2018 22:28:29 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f3udR-00080v-IU for submit@debbugs.gnu.org; Wed, 04 Apr 2018 22:28:22 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:56900) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f3udR-00080r-F2 for submit@debbugs.gnu.org; Wed, 04 Apr 2018 22:28:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38668) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f3udQ-0004Z6-3I for bug-gnu-emacs@gnu.org; Wed, 04 Apr 2018 22:28:21 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f3udL-0007zR-5h for bug-gnu-emacs@gnu.org; Wed, 04 Apr 2018 22:28:20 -0400 Original-Received: from pmta31.teksavvy.com ([76.10.157.38]:34509) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1f3udK-0007z5-Vm for bug-gnu-emacs@gnu.org; Wed, 04 Apr 2018 22:28:15 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2FcRQDgiMVa/06mSC1dHgEGDIMXK4FQi22NIoMDgWWSagsTiTMhOBQBAgEBAQEBAQICAmgohksUEyEBHIVRrmgaAoQ7g3GCJYdighODYoVphQgClz8IlWUihGeESYs2gSUzIoFSMxoIMIJ+gzABAo02I407AQE X-IPAS-Result: A2FcRQDgiMVa/06mSC1dHgEGDIMXK4FQi22NIoMDgWWSagsTiTMhOBQBAgEBAQEBAQICAmgohksUEyEBHIVRrmgaAoQ7g3GCJYdighODYoVphQgClz8IlWUihGeESYs2gSUzIoFSMxoIMIJ+gzABAo02I407AQE X-IronPort-AV: E=Sophos;i="5.48,409,1517893200"; d="scan'208";a="25996307" Original-Received: from unknown (HELO milanesa.home) ([45.72.166.78]) by smtp.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Apr 2018 22:28:13 -0400 Original-Received: by milanesa.home (Postfix, from userid 20848) id 0870D66101; Wed, 4 Apr 2018 22:29:00 -0400 (EDT) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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" Xref: news.gmane.org gmane.emacs.bugs:144911 Archived-At: Package: Emacs Version: 27.0.50 In a fresh Emacs session define: (defun foo () (interactive) (with-current-buffer "*scratch*" (add-to-invisibility-spec '(foo . t)) (let ((beg (point))) (insert "text") (let ((ol1 (make-overlay beg (point)))) (overlay-put ol1 'after-string "!after!") (overlay-put ol1 'evaporate t))) (let ((beg (point))) (insert "\nhidden") (let ((ol1 (make-overlay beg (point)))) (overlay-put ol1 'invisible 'foo) (overlay-put ol1 'evaporate t))))) and then try it with `M-x foo`. The result for me is to display "text...", whereas I would have expected "text!after!...". I.e. the after-string which I placed over "text" gets hidden by `invisible` property of the overlay placed on the immediately following "\nhidden". I know these kinds of interactions are pretty delicate and often somewhat arbitrary (several behaviors are valid and we just have to pick one), but I think in this case it is clearly an error. Stefan