From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#61514: 30.0.50; sadistically long xml line hangs emacs Date: Mon, 20 Feb 2023 17:04:08 +0000 Message-ID: References: <87lel0c65v.fsf@everybody.org> <838rgvymcd.fsf@gnu.org> <831qmkwmux.fsf@gnu.org> <83cz64v3v7.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27829"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , 61514@debbugs.gnu.org, mah@everybody.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Feb 20 18:05:16 2023 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 1pU9bH-000724-K9 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 20 Feb 2023 18:05:15 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pU9bA-0005s1-Go; Mon, 20 Feb 2023 12:05:08 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pU9b5-0005rd-Gg for bug-gnu-emacs@gnu.org; Mon, 20 Feb 2023 12:05:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pU9b4-0002Gb-8Y for bug-gnu-emacs@gnu.org; Mon, 20 Feb 2023 12:05:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pU9b4-0005Ri-2h for bug-gnu-emacs@gnu.org; Mon, 20 Feb 2023 12:05:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 20 Feb 2023 17:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 61514 X-GNU-PR-Package: emacs Original-Received: via spool by 61514-submit@debbugs.gnu.org id=B61514.167691265220858 (code B ref 61514); Mon, 20 Feb 2023 17:05:02 +0000 Original-Received: (at 61514) by debbugs.gnu.org; 20 Feb 2023 17:04:12 +0000 Original-Received: from localhost ([127.0.0.1]:53368 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pU9aG-0005QL-3m for submit@debbugs.gnu.org; Mon, 20 Feb 2023 12:04:12 -0500 Original-Received: from heytings.org ([95.142.160.155]:37242) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pU9aD-0005QB-VN for 61514@debbugs.gnu.org; Mon, 20 Feb 2023 12:04:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1676912648; bh=7TLvxGyhZD/jYzXqqVe63nimdWhzkGoulc7gSDFsImg=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=j8k+G0YHrx3DxKulHEnegTeqwBKM0DUdEEqPqMuxaS/k5g8I0wDOSGwLef5AFpHWk mn1WFbxIDTfoowCkJBFVdMyC4Mv0Daq5XDo7Jf004L/xguyJzXoFPo65jj7WpBfW3B DSMhxR0Ti2B9GTXcW11Uj6Srv59ldggRGi7QZTYBaB/YqcqbYY9hHkXaySRcLtyMJO vx33iZArufpFZ0F1cruwh63+v0eC6VyLCI++HJdwO8KCRb2nqfqSt1JvkcW0ypJrnR AFapE5PCcj0wGVmGlM9dsFT37IdUL/awXGIxSBMOrKKElspaRRxfMzxxKw3QKLmlRd 8oCCH66QHohNw== In-Reply-To: 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:256205 Archived-At: > > I don't think it's this regexp which causes the overflow. > ... but with a larger buffer it does, so apparently the regexp is problematic after all: (with-current-buffer (get-buffer-create "*bug*") (let ((regexp "\\(\\(?:\\(xmlns\\)\\|[_[:alpha:]][-._[:alnum:]]*\\)\\(:[_[:alpha:]][-._[:alnum:]]*\\)?\\)[ \r\t\n]*=\\(?:[ \r\t\n]*\\('[^<'&\r\n\t]*\\([&\r\n\t][^<']*\\)?'\\|\"[^<\"&\r\n\t]*\\([&\r\n\t][^<\"]*\\)?\"\\)\\(?:\\([ \r\t\n]*>\\)\\|\\(?:\\([ \r\t\n]*/\\)\\(>\\)?\\)\\|\\([ \r\t\n]+\\)\\)\\)?")) (erase-buffer) (insert "