From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: why does `variable-at-point' return 0? Date: Thu, 19 Apr 2012 17:52:22 -0400 Message-ID: References: <2F0E226322EE44669007194BC8389F81@us.oracle.com> <717003EF5A184D8A91EF489C3A79EB92@us.oracle.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1334872354 17637 80.91.229.3 (19 Apr 2012 21:52:34 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 19 Apr 2012 21:52:34 +0000 (UTC) Cc: emacs-devel@gnu.org To: "Drew Adams" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Apr 19 23:52:33 2012 Return-path: Envelope-to: ged-emacs-devel@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 1SKzHE-0001bW-B0 for ged-emacs-devel@m.gmane.org; Thu, 19 Apr 2012 23:52:32 +0200 Original-Received: from localhost ([::1]:34746 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SKzHD-0004S6-M1 for ged-emacs-devel@m.gmane.org; Thu, 19 Apr 2012 17:52:31 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:57627) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SKzHB-0004Rk-6w for emacs-devel@gnu.org; Thu, 19 Apr 2012 17:52:30 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SKzH9-0003bU-12 for emacs-devel@gnu.org; Thu, 19 Apr 2012 17:52:28 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:40422) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SKzH8-0003az-Tc for emacs-devel@gnu.org; Thu, 19 Apr 2012 17:52:26 -0400 Original-Received: from fmsmemgm.homelinux.net (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id q3JLqMeQ011236; Thu, 19 Apr 2012 17:52:23 -0400 Original-Received: by fmsmemgm.homelinux.net (Postfix, from userid 20848) id 9B044AE21B; Thu, 19 Apr 2012 17:52:22 -0400 (EDT) In-Reply-To: <717003EF5A184D8A91EF489C3A79EB92@us.oracle.com> (Drew Adams's message of "Mon, 16 Apr 2012 11:07:47 -0700") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Level: X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0.2 X-NAI-Spam-Rules: 2 Rules triggered GEN_SPAM_FEATRE=0.2, RV4197=0 X-NAI-Spam-Version: 2.2.0.9309 : core <4197> : streams <748297> : uri <1101120> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.20 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:149839 Archived-At: >> All I can think of is that for some reason someone wanted to >> test using `symbolp' instead of testing using `not' (or `and'). >> But I cannot imagine why. That's most likely the reason, so as not to get tripped up by a variable whose name happens to be "nil" (unlikely in Lisp, admittedly). Stefan