From unknown Wed Jun 25 09:08:34 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#12770 <12770@debbugs.gnu.org> To: bug#12770 <12770@debbugs.gnu.org> Subject: Status: 24.2.1; sh-mode parsing - bitwise leftshift misinterpreted as here-document inside arithmetic expansion $(( )) Reply-To: bug#12770 <12770@debbugs.gnu.org> Date: Wed, 25 Jun 2025 16:08:34 +0000 retitle 12770 24.2.1; sh-mode parsing - bitwise leftshift misinterpreted as= here-document inside arithmetic expansion $(( )) reassign 12770 emacs submitter 12770 John Schoenick severity 12770 minor thanks From debbugs-submit-bounces@debbugs.gnu.org Tue Oct 30 19:48:42 2012 Received: (at submit) by debbugs.gnu.org; 30 Oct 2012 23:48:42 +0000 Received: from localhost ([127.0.0.1]:40289 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TTLY1-0005rW-Cv for submit@debbugs.gnu.org; Tue, 30 Oct 2012 19:48:42 -0400 Received: from eggs.gnu.org ([208.118.235.92]:43426) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TTKpx-0004rm-HK for submit@debbugs.gnu.org; Tue, 30 Oct 2012 19:03:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TTKnR-0003cU-Sd for submit@debbugs.gnu.org; Tue, 30 Oct 2012 19:00:35 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.2 Received: from lists.gnu.org ([208.118.235.17]:46599) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTKnR-0003cQ-PQ for submit@debbugs.gnu.org; Tue, 30 Oct 2012 19:00:33 -0400 Received: from eggs.gnu.org ([208.118.235.92]:48721) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTKnQ-0004q9-Ls for bug-gnu-emacs@gnu.org; Tue, 30 Oct 2012 19:00:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TTKnP-0003bQ-6e for bug-gnu-emacs@gnu.org; Tue, 30 Oct 2012 19:00:32 -0400 Received: from mx1.corp.phx1.mozilla.com ([63.245.216.69]:48442 helo=smtp.mozilla.org) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTKnO-0003X6-VY for bug-gnu-emacs@gnu.org; Tue, 30 Oct 2012 19:00:31 -0400 Received: from [10.250.1.17] (unknown [63.245.220.240]) (Authenticated sender: jschoenick@mozilla.com) by mx1.mail.corp.phx1.mozilla.com (Postfix) with ESMTPSA id 0F005F26D1 for ; Tue, 30 Oct 2012 16:00:16 -0700 (PDT) Message-ID: <50905C00.8050208@mozilla.com> Date: Tue, 30 Oct 2012 16:00:16 -0700 From: John Schoenick User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:19.0) Gecko/19.0 Thunderbird/19.0a1 MIME-Version: 1.0 To: bug-gnu-emacs@gnu.org Subject: 24.2.1; sh-mode parsing - bitwise leftshift misinterpreted as here-document inside arithmetic expansion $(( )) Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 208.118.235.17 X-Spam-Score: -6.9 (------) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Tue, 30 Oct 2012 19:48:39 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -6.9 (------) The following, in a sh-mode buffer of shell-type bash: echo -n $(( 5 << 2 )) Will result in the remainder of the document being mis-interpreted as a here-document and mis-highlighted until a line containing a single 2 is encountered. The equivalent: let "r = 5 << 2" echo -n $r Is handled properly. - John In GNU Emacs 24.2.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.4) of 2012-08-28 on shaun Windowing system distributor `The X.Org Foundation', version 11.0.11300000 Configured using: `configure '--prefix=/usr' '--sysconfdir=/etc' '--libexecdir=/usr/lib' '--localstatedir=/var' '--with-x-toolkit=gtk3' '--with-xft' 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2' 'LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro'' 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_US.UTF-8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default enable-multibyte-characters: t Major mode: Shell-script Minor modes in effect: global-auto-complete-mode: t auto-complete-mode: t global-linum-mode: t linum-mode: t global-hl-line-mode: t shell-dirtrack-mode: t iswitchb-mode: t global-auto-revert-mode: t tooltip-mode: t mouse-wheel-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Features: (shadow sort mail-extr emacsbug message idna rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader apropos skeleton sh-script executable help-mode view misearch multi-isearch re-builder rect js json imenu thingatpt newcomment cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs sgml-mode vc-git server auto-complete-clang auto-complete-config auto-complete popup multi-term warnings term disp-table ehelp electric linum color-theme wid-edit cl sendmail rfc2047 rfc2045 ietf-drums mail-utils reporter hl-line tramp tramp-compat auth-source eieio byte-opt bytecomp byte-compile cconv macroexp gnus-util mm-util mail-prsvr password-cache shell pcomplete comint ansi-color ring format-spec advice help-fns advice-preload tramp-loaddefs regexp-opt iswitchb fill-column-indicator easy-mmode edmacro kmacro speedbar sb-image ezimage dframe easymenu assoc ido time-date autorevert 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 system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs) From debbugs-submit-bounces@debbugs.gnu.org Tue Oct 30 19:57:18 2012 Received: (at control) by debbugs.gnu.org; 30 Oct 2012 23:57:18 +0000 Received: from localhost ([127.0.0.1]:40296 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TTLgL-000640-V5 for submit@debbugs.gnu.org; Tue, 30 Oct 2012 19:57:18 -0400 Received: from fencepost.gnu.org ([208.118.235.10]:36333) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TTLgJ-00063t-Dn for control@debbugs.gnu.org; Tue, 30 Oct 2012 19:57:16 -0400 Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1TTLdo-0005F9-WA for control@debbugs.gnu.org; Tue, 30 Oct 2012 19:54:41 -0400 Date: Tue, 30 Oct 2012 19:54:40 -0400 Message-Id: Subject: control message for bug 12770 To: X-Mailer: mail (GNU Mailutils 2.1) From: Glenn Morris X-Spam-Score: -4.9 (----) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -4.9 (----) forcemerge 11263 12770 From debbugs-submit-bounces@debbugs.gnu.org Tue Oct 30 22:49:54 2012 Received: (at 12770-done) by debbugs.gnu.org; 31 Oct 2012 02:49:54 +0000 Received: from localhost ([127.0.0.1]:40385 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TTONO-0002Lj-AI for submit@debbugs.gnu.org; Tue, 30 Oct 2012 22:49:54 -0400 Received: from ironport2-out.teksavvy.com ([206.248.154.182]:3067) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TTONL-0002Lb-8K for 12770-done@debbugs.gnu.org; Tue, 30 Oct 2012 22:49:51 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAG6Zu0/O+LET/2dsb2JhbABEtBGBCIIWAQVWIwULCzQHCxQYDSSIIboJkEQDozOBWIMF X-IronPort-AV: E=Sophos;i="4.75,637,1330923600"; d="scan'208";a="203199698" Received: from 206-248-177-19.dsl.teksavvy.com (HELO pastel.home) ([206.248.177.19]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 30 Oct 2012 22:47:15 -0400 Received: by pastel.home (Postfix, from userid 20848) id 103C359419; Tue, 30 Oct 2012 22:47:14 -0400 (EDT) From: Stefan Monnier To: John Schoenick Subject: Re: bug#12770: 24.2.1; sh-mode parsing - bitwise leftshift misinterpreted as here-document inside arithmetic expansion $(( )) Message-ID: References: <50905C00.8050208@mozilla.com> Date: Tue, 30 Oct 2012 22:47:14 -0400 In-Reply-To: <50905C00.8050208@mozilla.com> (John Schoenick's message of "Tue, 30 Oct 2012 16:00:16 -0700") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.8 (/) X-Debbugs-Envelope-To: 12770-done Cc: 12770-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: 0.8 (/) > The following, in a sh-mode buffer of shell-type bash: > echo -n $(( 5 << 2 )) > Will result in the remainder of the document being mis-interpreted I've just installed a change which seems to fix this problem. Stefan From unknown Wed Jun 25 09:08:34 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Wed, 28 Nov 2012 12:24:03 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator