From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Christian Schlauer Newsgroups: gmane.emacs.devel Subject: Re: Calc: `*' binds more strongly than `/' Date: Thu, 26 Apr 2007 23:29:08 +0200 Message-ID: References: <87y7kvxj6p.fsf@arcor.de> <863b2z2mma.fsf@blue.stonehenge.com> <55350.128.165.123.18.1176926533.squirrel@webmail.lanl.gov> <86ps5zuwmi.fsf@blue.stonehenge.com> <87ps5zi1h2.fsf@truman.edu> <462C8EA2.9090003@gnu.org> <87ejmbdr1x.fsf@truman.edu> <87d51sqinn.fsf@gmail.com> <87647j93tz.fsf@gmail.com> <39030.128.165.123.18.1177600068.squirrel@webmail.lanl.gov> <200704261832.l3QIWajF026730@jane.dms.auburn.edu> Reply-To: cs-usenet@arcor.de NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1177622915 18411 80.91.229.12 (26 Apr 2007 21:28:35 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 26 Apr 2007 21:28:35 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Apr 26 23:28:34 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1HhBVu-0000wM-L5 for ged-emacs-devel@m.gmane.org; Thu, 26 Apr 2007 23:28:31 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HhBbe-0002vj-Gh for ged-emacs-devel@m.gmane.org; Thu, 26 Apr 2007 17:34:26 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HhBbb-0002uv-De for emacs-devel@gnu.org; Thu, 26 Apr 2007 17:34:23 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HhBba-0002uh-02 for emacs-devel@gnu.org; Thu, 26 Apr 2007 17:34:23 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HhBbZ-0002ue-Py for emacs-devel@gnu.org; Thu, 26 Apr 2007 17:34:21 -0400 Original-Received: from main.gmane.org ([80.91.229.2] helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1HhBVm-0006eQ-Hz for emacs-devel@gnu.org; Thu, 26 Apr 2007 17:28:22 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1HhBVd-0007df-2k for emacs-devel@gnu.org; Thu, 26 Apr 2007 23:28:13 +0200 Original-Received: from finn.gmane.org ([80.91.229.4]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 26 Apr 2007 23:28:13 +0200 Original-Received: from cs-usenet by finn.gmane.org with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 26 Apr 2007 23:28:13 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 24 Original-X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: finn.gmane.org User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.98 (gnu/linux) X-detected-kernel: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:70209 Archived-At: Luc Teirlinck writes: > This is actually one of the main reasons that / usually has precedence > over *: Luc, I only wanted `/' to be treated equal as `*', not less than `*' as it is at the moment, but not necessarily more ;-) > Of course, provoking discussions like this is one of the many > reasons why the Devil invented infix notation. If you have to use > it, then the best way to defeat his brilliant but evil scheme is to > always write explicitly (a*b)/(b*c) or a*(b/c)*d, to leave no doubt > whatsoever. ,----[ ] | In infix notation, unlike in prefix or postfix notations, | parentheses surrounding groups of operands and operators are | necessary to indicate the intended order in which operations are to | be performed. *In the absence of parentheses*, certain precedence | rules determine the order of operations. These are explained in the | order of operations article. `---- Christian