From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#49944: parse-partial-sexp fails to signal an error when (> START LIMIT). Date: Tue, 10 Aug 2021 17:03:13 +0300 Message-ID: <83mtppflcu.fsf@gnu.org> References: <87r1f36by6.fsf@gnus.org> <87pmum4wnm.fsf@gnus.org> <87a6lpz9vq.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24537"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, monnier@iro.umontreal.ca, 49944@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Aug 10 16:09:13 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mDSRN-0006BY-CR for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 10 Aug 2021 16:09:13 +0200 Original-Received: from localhost ([::1]:41336 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mDSRL-0007O5-CF for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 10 Aug 2021 10:09:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48492) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mDSMN-0007gu-1L for bug-gnu-emacs@gnu.org; Tue, 10 Aug 2021 10:04:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48617) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mDSMM-0008LV-Pe for bug-gnu-emacs@gnu.org; Tue, 10 Aug 2021 10:04:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mDSMM-0001Uq-Lq for bug-gnu-emacs@gnu.org; Tue, 10 Aug 2021 10:04:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 10 Aug 2021 14:04:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 49944 X-GNU-PR-Package: emacs Original-Received: via spool by 49944-submit@debbugs.gnu.org id=B49944.16286041905658 (code B ref 49944); Tue, 10 Aug 2021 14:04:02 +0000 Original-Received: (at 49944) by debbugs.gnu.org; 10 Aug 2021 14:03:10 +0000 Original-Received: from localhost ([127.0.0.1]:60156 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mDSLV-0001TC-Lu for submit@debbugs.gnu.org; Tue, 10 Aug 2021 10:03:09 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:39496) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mDSLU-0001Sy-6W for 49944@debbugs.gnu.org; Tue, 10 Aug 2021 10:03:08 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:50282) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mDSLO-0007pB-GR; Tue, 10 Aug 2021 10:03:02 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2707 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mDSLO-0008Fy-4D; Tue, 10 Aug 2021 10:03:02 -0400 In-Reply-To: <87a6lpz9vq.fsf@gnus.org> (message from Lars Ingebrigtsen on Tue, 10 Aug 2021 15:50:49 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:211499 Archived-At: > From: Lars Ingebrigtsen > Date: Tue, 10 Aug 2021 15:50:49 +0200 > Cc: 49944@debbugs.gnu.org, Stefan Monnier > > Alan Mackenzie writes: > > > We definitely have a bug here. The documentation in the elisp manual > > says that the scanning is done "starting at START". You're saying it's > > perfectly OK to start scanning at "LIMIT"? This violates the doc. > > This is what all function like this say. To take patient zero -- > narrow-to-region: > > --- > When calling from Lisp, pass two arguments START and END: > positions (integers or markers) bounding the text that should > remain visible. > --- > > Nothing here about allowing END to come before START, but it does allow > that, and so do most (all?) similar commands. Indeed, if the results are predictable, I see no reason not to support START and END in any order, as we do in many places.