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#61514: 30.0.50; sadistically long xml line hangs emacs Date: Sat, 18 Feb 2023 19:58:35 +0200 Message-ID: <83wn4eyhx0.fsf@gnu.org> References: <87lel0c65v.fsf@everybody.org> <838rgvymcd.fsf@gnu.org> <678324821.29732.1676739985238.JavaMail.zimbra@nichework.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24662"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 61514@debbugs.gnu.org To: "Mark A. Hershberger" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 18 18:59:17 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 1pTRUT-0006FU-A9 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 18 Feb 2023 18:59:17 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pTRUG-0000DR-B5; Sat, 18 Feb 2023 12:59:04 -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 1pTRUE-0000DA-RJ for bug-gnu-emacs@gnu.org; Sat, 18 Feb 2023 12:59:02 -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 1pTRUE-0003AL-EI for bug-gnu-emacs@gnu.org; Sat, 18 Feb 2023 12:59:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pTRUE-0005WO-Au for bug-gnu-emacs@gnu.org; Sat, 18 Feb 2023 12:59:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 18 Feb 2023 17:59:02 +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=B61514.167674312021194 (code B ref 61514); Sat, 18 Feb 2023 17:59:02 +0000 Original-Received: (at 61514) by debbugs.gnu.org; 18 Feb 2023 17:58:40 +0000 Original-Received: from localhost ([127.0.0.1]:44912 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pTRTr-0005Vl-PH for submit@debbugs.gnu.org; Sat, 18 Feb 2023 12:58:40 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:53166) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pTRTp-0005VW-5B for 61514@debbugs.gnu.org; Sat, 18 Feb 2023 12:58:37 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pTRTj-00031N-Qp; Sat, 18 Feb 2023 12:58:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=ON+3ED6wcER09GklOQ90yXyUStidZxWOWtihAipwSKs=; b=DXXFDDdhwbkd oNI2G8tNLrbqQrso4bDhIXIBaGMgx8UtiG4ae9s2Trcng7/fGJEQP+vqptzXzZGnvy4X+72MknV/8 cI5/Qy+Y9RaLnu0r/aiKV0TjR9i2ko6Gu7kAOAqiM4LSPs2MAOoeyNgMhRRpkQgRAW1tpy6ilV9WS i8M07XUUFAco/xj+XvCX3gWiWx2eZfYiQDMmfGuyg5CzEjamOg1R+E/9qBvjkn6wSpKxOeYVQflLM QIhfnuY/bzmSgzGedtFaTS4mTAqOYXBu6a3Fb6soDXDEQNbXBaRPhixzB2Zji/2tdhvtPOn2csQcc 58i6wQd8rfZxtyWVKgB+0g==; Original-Received: from [87.69.77.57] (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 1pTRTj-0002oi-AM; Sat, 18 Feb 2023 12:58:31 -0500 In-Reply-To: <678324821.29732.1676739985238.JavaMail.zimbra@nichework.com> (mah@nichework.com) 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:255982 Archived-At: > Date: Sat, 18 Feb 2023 09:06:25 -0800 (PST) > From: "Mark A. Hershberger" > Cc: 61514@debbugs.gnu.org > > Eli writes: > > The problem is in the combination of nxml-mode and some subtle > > bug/misfeature in our regexp routines. > > Thank you for your work in tracking this down. > > That regex looks pretty awful. Yep. And coupled with quadratic (or worse?) behavior of our backtracking regexp engine, it's a killer.