From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Daniel Colascione Newsgroups: gmane.emacs.bugs Subject: bug#16413: 24.3.50; Inconsistent behavior of text property functions in narrowed buffer Date: Fri, 10 Jan 2014 20:09:37 -0800 Message-ID: <52D0C401.90208@dancol.org> References: <87mwj3fcal.fsf@nbtrap.com> <52D0C30D.9050305@dancol.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1389413477 1084 80.91.229.3 (11 Jan 2014 04:11:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 11 Jan 2014 04:11:17 +0000 (UTC) To: Nathan Trapuzzano , 16413@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jan 11 05:11:23 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 1W1pup-0006eR-8J for geb-bug-gnu-emacs@m.gmane.org; Sat, 11 Jan 2014 05:11:19 +0100 Original-Received: from localhost ([::1]:60032 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W1puo-0005hv-Iq for geb-bug-gnu-emacs@m.gmane.org; Fri, 10 Jan 2014 23:11:18 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46301) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W1puf-0005hg-Hl for bug-gnu-emacs@gnu.org; Fri, 10 Jan 2014 23:11:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W1puY-0005WA-32 for bug-gnu-emacs@gnu.org; Fri, 10 Jan 2014 23:11:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60121) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W1puX-0005W6-Vi for bug-gnu-emacs@gnu.org; Fri, 10 Jan 2014 23:11:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1W1puX-0001fo-MH for bug-gnu-emacs@gnu.org; Fri, 10 Jan 2014 23:11:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Daniel Colascione Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 11 Jan 2014 04:11:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16413 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16413-submit@debbugs.gnu.org id=B16413.13894134316390 (code B ref 16413); Sat, 11 Jan 2014 04:11:01 +0000 Original-Received: (at 16413) by debbugs.gnu.org; 11 Jan 2014 04:10:31 +0000 Original-Received: from localhost ([127.0.0.1]:45907 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W1pu2-0001ez-Rr for submit@debbugs.gnu.org; Fri, 10 Jan 2014 23:10:31 -0500 Original-Received: from dancol.org ([96.126.100.184]:59484) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W1ptz-0001er-WF for 16413@debbugs.gnu.org; Fri, 10 Jan 2014 23:10:28 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=dancol.org; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:References:Subject:To:MIME-Version:From:Date:Message-ID; bh=jNW8gaWcz8GOCeEXo7bBBJWDZlSiLdyNgF3K7dXTrjo=; b=VBJsUN+FPD1ypx53djeDFlRVM6fBrpV3xsih2QNvNpuU2KhN9cVYDJBRe81UAMI5tbBKsqd1jg19AhLxR+yo5mBSP44YZq4lIcX4c3dT3eldmNFRDSzQ+37K+9A/IM7qCTW21Tcszxwxue/lXigpzG+pkwR8DUO2un85OLzZjuq1vzQXjCbZr2jj+pnKlloCGz73DWTYIGIukRgSIyX+NEt+ZcZBZBhO/pBYov9+EpKVjhcMojOFrNECwigvMELP2e1lPjBoSoIpHncYcdxfviDi3aHEWzBH11vGMNO93rJrr8zcUuTDugwu9toRwhNz6pA+ftS2ZBNqw/2+tW/IoQ==; Original-Received: from [173.252.71.189] (helo=[172.20.16.184]) by dancol.org with esmtpsa (TLS1.0:DHE_RSA_CAMELLIA_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1W1ptz-0001Su-Gq; Fri, 10 Jan 2014 20:10:27 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 In-Reply-To: <52D0C30D.9050305@dancol.org> 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:83268 Archived-At: On 01/10/2014 08:05 PM, Daniel Colascione wrote: > On 01/10/2014 07:05 PM, Nathan Trapuzzano wrote: >> The various functions for examining text properties behave unintuitively >> and incosistently at (point-max) on narrowed buffers. Rather than >> returning `nil', they return the prop(s) of the text at (point-max), >> even though the text is not actually visible in the buffer, due to >> narrowing. By contrast, `char-after' always returns `nil' when passed >> (point-max). It seems to me the text property functions should also >> return `nil', as they do at (eobp) on widened buffers. > > I agree that this behavior is unintuitive, but I wonder whether we can > fix this bug without breaking existing elisp. Which functions break, exactly? The following test passes. (ert-deftest text-property-narrowing () "Test that text properties outside narrowed buffer are invisible" (with-temp-buffer (insert " ") (put-text-property (1- (point-max)) (point-max) 'foo 'bar) (should (eq (get-text-property (1- (point-max)) 'foo) 'bar)) (narrow-to-region (point-min) (1- (point-max))) (should (null (get-text-property (1- (point-max)) 'foo)))))