From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Drew Adams" Newsgroups: gmane.emacs.bugs Subject: bug#13260: 24.3.50; save match data for core functions like `delete-char' and`delete-backward-char'? Date: Sun, 23 Dec 2012 17:03:22 -0800 Message-ID: <20FFDE327FB04D8A913153445844208A@us.oracle.com> References: <87zk143ihe.fsf@bzg.ath.cx> <87bodkbu2k.fsf@bzg.ath.cx> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1356311081 3638 80.91.229.3 (24 Dec 2012 01:04:41 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 24 Dec 2012 01:04:41 +0000 (UTC) Cc: 13260@debbugs.gnu.org To: "'Stefan Monnier'" , "'Bastien'" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 24 02:04:55 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1TmwTO-0001YP-Hh for geb-bug-gnu-emacs@m.gmane.org; Mon, 24 Dec 2012 02:04:54 +0100 Original-Received: from localhost ([::1]:59036 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TmwTA-0006E8-F1 for geb-bug-gnu-emacs@m.gmane.org; Sun, 23 Dec 2012 20:04:40 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:41810) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TmwT8-0006D1-87 for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 20:04:39 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TmwT5-0000G7-Jd for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 20:04:38 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46939) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TmwT5-0000Fy-Gt for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 20:04:35 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TmwTW-0007AZ-PD for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 20:05:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: "Drew Adams" Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 24 Dec 2012 01:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13260 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13260-submit@debbugs.gnu.org id=B13260.135631104827475 (code B ref 13260); Mon, 24 Dec 2012 01:05:02 +0000 Original-Received: (at 13260) by debbugs.gnu.org; 24 Dec 2012 01:04:08 +0000 Original-Received: from localhost ([127.0.0.1]:57186 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TmwSd-000795-Pt for submit@debbugs.gnu.org; Sun, 23 Dec 2012 20:04:08 -0500 Original-Received: from userp1040.oracle.com ([156.151.31.81]:20931) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TmwSc-00078y-4s for 13260@debbugs.gnu.org; Sun, 23 Dec 2012 20:04:06 -0500 Original-Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by userp1040.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id qBO13Zdj027485 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 24 Dec 2012 01:03:36 GMT Original-Received: from acsmt357.oracle.com (acsmt357.oracle.com [141.146.40.157]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id qBO13YA1014774 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 24 Dec 2012 01:03:34 GMT Original-Received: from abhmt120.oracle.com (abhmt120.oracle.com [141.146.116.72]) by acsmt357.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id qBO13Ygq001065; Sun, 23 Dec 2012 19:03:34 -0600 Original-Received: from dradamslap1 (/71.202.147.44) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 23 Dec 2012 17:03:34 -0800 X-Mailer: Microsoft Office Outlook 11 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Thread-Index: Ac3hcUF+UqBCpPVrTJaO9sG9SqSLmQAAMGxw X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:68968 Archived-At: > 99% of the functions can destroy the match-data, even though they > may preserve it in 99% of the circumstances. And in 99% of the > cases where they do destroy the match-data, nobody cares anyway, > which is why we shouldn't always save-match-data. This is well put, and helpful. How about saying something similar in the Elisp manual? It provides a good guideline for understanding when you might want to save match data.