From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Aidan Gauland Newsgroups: gmane.emacs.bugs Subject: bug#14207: 24.2; insert-file-contents clobbers match data Date: Mon, 15 Apr 2013 12:56:26 +1200 Message-ID: <87fvysbohx.fsf@dimension8.tehua.net> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1365987482 15716 80.91.229.3 (15 Apr 2013 00:58:02 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 15 Apr 2013 00:58:02 +0000 (UTC) To: 14207@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Apr 15 02:58:06 2013 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 1URXkB-0004zq-42 for geb-bug-gnu-emacs@m.gmane.org; Mon, 15 Apr 2013 02:58:03 +0200 Original-Received: from localhost ([::1]:47521 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URXkA-0007ki-RJ for geb-bug-gnu-emacs@m.gmane.org; Sun, 14 Apr 2013 20:58:02 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:55571) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URXk4-0007ge-L3 for bug-gnu-emacs@gnu.org; Sun, 14 Apr 2013 20:58:00 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1URXk1-00024D-Nu for bug-gnu-emacs@gnu.org; Sun, 14 Apr 2013 20:57:56 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46819) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URXk1-000249-KQ for bug-gnu-emacs@gnu.org; Sun, 14 Apr 2013 20:57:53 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1URXo1-0002dP-UF for bug-gnu-emacs@gnu.org; Sun, 14 Apr 2013 21:02:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Aidan Gauland Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 15 Apr 2013 01:02:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 14207 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.136598766710025 (code B ref -1); Mon, 15 Apr 2013 01:02:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 15 Apr 2013 01:01:07 +0000 Original-Received: from localhost ([127.0.0.1]:50928 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1URXn8-0002be-TP for submit@debbugs.gnu.org; Sun, 14 Apr 2013 21:01:07 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:44003) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1URXn6-0002bX-Dz for submit@debbugs.gnu.org; Sun, 14 Apr 2013 21:01:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1URXj3-0001vR-3d for submit@debbugs.gnu.org; Sun, 14 Apr 2013 20:56:55 -0400 Original-Received: from lists.gnu.org ([208.118.235.17]:56345) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URXj2-0001vM-WA for submit@debbugs.gnu.org; Sun, 14 Apr 2013 20:56:53 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:55325) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URXiz-0007JI-El for bug-gnu-emacs@gnu.org; Sun, 14 Apr 2013 20:56:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1URXiw-0001uC-Em for bug-gnu-emacs@gnu.org; Sun, 14 Apr 2013 20:56:49 -0400 Original-Received: from jersey.rurallink.co.nz ([114.134.15.197]:46608 helo=smtp.rurallink.co.nz) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URXiv-0001sn-SG for bug-gnu-emacs@gnu.org; Sun, 14 Apr 2013 20:56:46 -0400 Original-Received: from [49.143.231.198] (helo=dimension8.tehua.net) by smtp.rurallink.co.nz with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1URXik-0000LE-VT for bug-gnu-emacs@gnu.org; Mon, 15 Apr 2013 12:56:36 +1200 X-Rurallink-Authenticated-User: aidalgol@no8wireless.co.nz X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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:73410 Archived-At: If (and only if) the match data is non-nil when `insert-file-contents' is called, it clobbers the match-data. To demonstrate: *** Welcome to IELM *** Type (describe-mode) for help. ELISP> (match-data) nil ELISP> (equal (match-data) (progn (write-region "foo bar baz wiz" nil "/tmp/foo-file") (with-temp-buffer (insert-file-contents "/tmp/foo-file")) (match-data))) t ELISP> (match-data) nil ELISP> (search-backward "elisp" nil t) 340 ELISP> (match-data) (# #) ELISP> (equal (match-data) (progn (write-region "foo bar baz wiz" nil "/tmp/foo-file") (with-temp-buffer (insert-file-contents "/tmp/foo-file")) (match-data))) nil ELISP> (match-data) (0 0) ELISP> In GNU Emacs 24.2.1 (x86_64-pc-linux-gnu, GTK+ Version 2.20.1) of 2013-04-03 on dimension8, modified by Debian Windowing system distributor `The X.Org Foundation', version 11.0.10707000 Configured using: `configure '--build' 'x86_64-linux-gnu' '--build' 'x86_64-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.2/site-lisp:/usr/share/emacs/site-lisp' '--without-gconf' '--with-crt-dir=/usr/lib/' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall' 'LDFLAGS=-Wl,-z,relro' 'CPPFLAGS=-D_FORTIFY_SOURCE=2'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_NZ.utf8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default enable-multibyte-characters: t Major mode: IELM Minor modes in effect: tooltip-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent input: M-x i e l m C-y C-y ( m a t c h - d a t a ) C-y M-p M-p M-p M-p M-p M-p M-p M-p M-< C-n C-p C-SPC M-> M-w M-x r e p o r Recent messages: History item: 1 History item: 2 History item: 1 History item: 2 History item: 3 History item: 4 Wrote /tmp/foo-file History item: 1 History item: 2 Mark set [2 times] Load-path shadows: /usr/share/emacs/24.2/site-lisp/debian-startup hides /usr/share/emacs/site-lisp/debian-startup /usr/share/emacs/24.2/site-lisp/dictionaries-common/flyspell hides /usr/share/emacs/24.2/lisp/textmodes/flyspell /usr/share/emacs/24.2/site-lisp/dictionaries-common/ispell hides /usr/share/emacs/24.2/lisp/textmodes/ispell Features: (shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils ielm pp comint regexp-opt ansi-color ring time-date tooltip ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image fringe lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer loaddefs button faces cus-face files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote make-network-process dbusbind dynamic-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)