From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: npostavs@users.sourceforge.net Newsgroups: gmane.emacs.bugs Subject: bug#26079: 26.0.50; Performance regression in delete-trailing-whitespace Date: Tue, 14 Mar 2017 22:36:15 -0400 Message-ID: <87h92v5krk.fsf@users.sourceforge.net> References: <87d1dk7h25.fsf@users.sourceforge.net> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1489545380 22603 195.159.176.226 (15 Mar 2017 02:36:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 15 Mar 2017 02:36:20 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) Cc: Sho Takemori , 26079@debbugs.gnu.org To: Michal Nazarewicz Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Mar 15 03:36:16 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cnynN-00053F-AR for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 14 Mar 2017 19:34:58 -0700 (PDT) Original-Received: from zony ([45.2.7.65]) by smtp.googlemail.com with ESMTPSA id j4sm6088136ita.29.2017.03.14.19.34.57 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 14 Mar 2017 19:34:57 -0700 (PDT) In-Reply-To: (Michal Nazarewicz's message of "Tue, 14 Mar 2017 14:00:34 +0100") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:130608 Archived-At: tags 26079 fixed close 26079=20 quit Michal Nazarewicz writes: > > I wish Emacs=E2=80=99 RE was O(n). :( Hah yeah, the trouble is it's easy to fix each regexp as they come up, but it would take a lot of hard work to change the regex engine... > Yeah, I think reverting my commit is the best course of action. Done [1: c66aaa6163]. 1: 2017-03-14 22:14:30 -0400 c66aaa61639e72a70a4f2c4bc73645048caebe53 Recomplexify =E2=80=98delete-trailing-whitespace=E2=80=99 by treating \n = as whitespace again