From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?Mattias_Engdeg=C3=A5rd?= Newsgroups: gmane.emacs.devel Subject: Re: Scan of regexps in Emacs (March 17) Date: Fri, 22 Mar 2019 15:12:16 +0100 Message-ID: <3A61CF07-62AA-41C3-8B55-0C06CC8AB756@acm.org> References: <5363970c-3207-1bb4-8b30-74a7d12277cc@cs.ucla.edu> <05269D79-B016-4FCB-94B8-068BF7D1C2D2@acm.org> <3974269b-6cad-0744-bd1f-66c067f94192@cs.ucla.edu> <86bm23f3bl.fsf@stephe-leake.org> Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="40946"; mail-complaints-to="usenet@blaine.gmane.org" Cc: emacs-devel To: Stephen Leake Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Mar 22 15:29:43 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h7LB0-000AVd-88 for ged-emacs-devel@m.gmane.org; Fri, 22 Mar 2019 15:29:42 +0100 Original-Received: from localhost ([127.0.0.1]:58196 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h7LAz-0001hJ-3W for ged-emacs-devel@m.gmane.org; Fri, 22 Mar 2019 10:29:41 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:41248) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h7L48-00047q-2L for emacs-devel@gnu.org; Fri, 22 Mar 2019 10:22:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h7KuF-0004jl-7X for emacs-devel@gnu.org; Fri, 22 Mar 2019 10:12:24 -0400 Original-Received: from mail154c50.megamailservers.eu ([91.136.10.164]:46736 helo=mail50c50.megamailservers.eu) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h7KuE-0004Pg-Ee for emacs-devel@gnu.org; Fri, 22 Mar 2019 10:12:23 -0400 X-Authenticated-User: mattiase@bredband.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.eu; s=maildub; t=1553263939; bh=xH1VOPlyQTy5UXZYHPA9zBol9MZoQPme+7XMIKD9zpA=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=n50R63HjboNVNQMm0qsbI2aF91ao5w1Jig/LOVMk60NnYVDKsgtgc6D+U2haj2JQc 769VbfdS44GENXsGQtoRGxXroibiUzQwn6+9oxpCAWMrqSLDXrJ3JzAOBlbMvZWVpE E6SAypRGflnc0GKErUleAcVcXuRDhbkd4VYuWElo= Feedback-ID: mattiase@acm.or Original-Received: from [192.168.1.64] (c-e636e253.032-75-73746f71.bbcust.telenor.se [83.226.54.230]) (authenticated bits=0) by mail50c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id x2MECHqN007679; Fri, 22 Mar 2019 14:12:18 +0000 In-Reply-To: <86bm23f3bl.fsf@stephe-leake.org> X-Mailer: Apple Mail (2.3445.102.3) X-CTCH-RefID: str=0001.0A0B020D.5C94ED43.0020, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CTCH-VOD: Unknown X-CTCH-Spam: Unknown X-CTCH-Score: 0.000 X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 X-CSC: 0 X-CHA: v=2.3 cv=a4UeC3aF c=1 sm=1 tr=0 a=M+GU/qJco4WXjv8D6jB2IA==:117 a=M+GU/qJco4WXjv8D6jB2IA==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=kj9zAlcOel0A:10 a=9i_RQKNPAAAA:8 a=BzyIji_zh_mFxCk4TdgA:9 a=CjuIK1q_8ugA:10 a=Ev4oQ7kfJBNsvnoXShoW:22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] X-Received-From: 91.136.10.164 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:234572 Archived-At: 22 mars 2019 kl. 14.26 skrev Stephen Leake = : >=20 > I recently ran into a problem with this; I had a regexp with `-' at = the > end, then edited it to add another range, without noticing the = trailing > `-': >=20 > before: [0-9a-zA-Z_-] > after: [0-9a-zA-Z_-\x80-\U0010FFFF] (Beside the point really, but [\x80-\U0010FFFF] is an empty set since = that \x80 is a raw byte with code 0x3fff80. Presumably you meant \u0080-\U0010FFFF.) > So putting it first is better. It does not conflict with putting `]' > first; >=20 > []-...] >=20 > is unambiguous. []-x] means the range ] to x, not the set of ], - and x.