From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: weber Newsgroups: gmane.emacs.help Subject: Re: elisp, replace-regexp and re-search-forward Date: Mon, 01 Oct 2007 20:03:31 -0000 Organization: http://groups.google.com Message-ID: <1191269011.977459.214730@57g2000hsv.googlegroups.com> References: <1191238610.992573.294470@n39g2000hsh.googlegroups.com> <87wsu6lsrp.fsf@poczta.po.opole.pl> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: sea.gmane.org 1191271248 6874 80.91.229.12 (1 Oct 2007 20:40:48 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 1 Oct 2007 20:40:48 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Oct 01 22:40:43 2007 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1IcS4H-0006rc-ER for geh-help-gnu-emacs@m.gmane.org; Mon, 01 Oct 2007 22:40:41 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IcS4D-0007UB-C9 for geh-help-gnu-emacs@m.gmane.org; Mon, 01 Oct 2007 16:40:37 -0400 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!postnews.google.com!57g2000hsv.googlegroups.com!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 31 Original-NNTP-Posting-Host: 201.21.201.198 Original-X-Trace: posting.google.com 1191269012 1735 127.0.0.1 (1 Oct 2007 20:03:32 GMT) Original-X-Complaints-To: groups-abuse@google.com Original-NNTP-Posting-Date: Mon, 1 Oct 2007 20:03:32 +0000 (UTC) In-Reply-To: User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.7) Gecko/20070914 Firefox/2.0.0.7,gzip(gfe),gzip(gfe) X-HTTP-Via: 1.1 fw.datacom-telematica.com.br:3128 (squid/2.5.STABLE6) Complaints-To: groups-abuse@google.com Injection-Info: 57g2000hsv.googlegroups.com; posting-host=201.21.201.198; posting-account=ps2QrAMAAAA6_jCuRt2JEIpn5Otqf_w0 Original-Xref: shelby.stanford.edu gnu.emacs.help:152519 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:48027 Archived-At: On Oct 1, 1:21 pm, Bastien wrote: > Seweryn Kokot writes: > > and one which doesn't work > > > (defun insert-empty-lines (beg end) > > (interactive "r") > > (goto-char beg) > > (while (re-search-forward "\n" end t) > > (replace-match "\n\n" nil nil))) > > Since your modifying the text within the region, the region end moves. > You should perhaps use markers to track these moves: > > (defun insert-empty-lines (beg end) > (interactive "r") > (let* ((end-marker (make-marker)) > (end-marker (set-marker endm end))) > (save-excursion > (goto-char beg) > (while (re-search-forward "\n" end-marker t) > (replace-match "\n\n" nil nil))))) > > See (info "(elisp)Markers") > > -- > Bastien I had totally missed that. Please forgive me for posting the snippet of malfunctioning code. -weber