Received: (at 60196) by debbugs.gnu.org; 30 Dec 2022 12:28:21 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Dec 30 07:28:21 2022 Received: from localhost ([127.0.0.1]:33681 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1pBEUn-0006Vo-9w for submit <at> debbugs.gnu.org; Fri, 30 Dec 2022 07:28:21 -0500 Received: from mail70c50.megamailservers.eu ([91.136.10.80]:39420) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <mattiase@HIDDEN>) id 1pBEUl-0006VX-97 for 60196 <at> debbugs.gnu.org; Fri, 30 Dec 2022 07:28:20 -0500 X-Authenticated-User: mattiase@HIDDEN DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.eu; s=maildub; t=1672403297; bh=pxxGZmUj5DwYGWBy719zaK8DJcBsAH/vubKuvJmdKAM=; h=From:Subject:Date:Cc:To:From; b=E+f7xGU/oELo8XqXOEFZjWs3NEmxUBSZFjvh9/kceiQytiLHhOyy6T8A0kQr9u6Q6 Yp9tcS6p4jOtpKZk3RIT43H94FUN/c6K+v1obSybyMd8Zqpekb0REHIKAPmbVYVibp i0K/cDEAKiSyjaRk4pSCjr9CpAq9GLosYGEQNPsQ= Feedback-ID: mattiase@HIDDEN Received: from smtpclient.apple (c188-150-171-209.bredband.tele2.se [188.150.171.209]) (authenticated bits=0) by mail70c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id 2BUCSFMr085657; Fri, 30 Dec 2022 12:28:16 +0000 From: =?utf-8?Q?Mattias_Engdeg=C3=A5rd?= <mattiase@HIDDEN> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: bug#60196: 29.0.60; re-builder should read all forms for the rx syntax Message-Id: <64E4056A-0167-4B41-BB44-60A47C7FA6A5@HIDDEN> Date: Fri, 30 Dec 2022 13:28:14 +0100 To: Kai Ma <justksqsf@HIDDEN> X-Mailer: Apple Mail (2.3654.120.0.1.13) X-CTCH-RefID: str=0001.0A782F15.63AED961.001A, 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-Rules: X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 X-Origin-Country: SE X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: 60196 Cc: 60196 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.0 (/) The handling of rx input in re-builder is indeed unsatisfactory. We = could adopt your proposed solution: > Ideally, re-builder should allow users to simply write >=20 > "<i>" (group (*? anychar)) "</i>" which would be a definite improvement. We could also accept a Lisp = expression that is evaluated, so that you'd write (rx "<i>" (group (*? anychar)) "</i>") On the surface this looks more verbose, but since re-builder itself = would provide the `(rx )` boilerplate, there wouldn't actually be any = more typing. The main advantage would be that regexps could be built up = from smaller pieces: (rx-let ((spaces (* " ")) (identifier (: alpha (* alnum)))) (rx identifier spaces "->" spaces identifier)) Either would be a definite improvement to the current rather strange = re-builder behaviour with respect to rx input. Any preference?
bug-gnu-emacs@HIDDEN
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This results in suboptimal user experience. For example, even though (rx "<i>" (group (*? anychar)) "</i>") is perfectly fine, but in re-builder, one has to write it as follows: '(and "<i>" (group (*? anychar)) "</i>") Ideally, re-builder should allow users to simply write "<i>" (group (*? anychar)) "</i>" (The relevant function seems to be 'reb-cook-regexp'.) Kai
Kai Ma <justksqsf@HIDDEN>
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