From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juanma Barranquero Newsgroups: gmane.emacs.devel Subject: Re: why does `variable-at-point' return 0? Date: Fri, 20 Apr 2012 00:56:24 +0200 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; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1334876234 11635 80.91.229.3 (19 Apr 2012 22:57:14 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 19 Apr 2012 22:57:14 +0000 (UTC) Cc: Drew Adams , emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Apr 20 00:57:13 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 1SL0Ho-0000Z7-R7 for ged-emacs-devel@m.gmane.org; Fri, 20 Apr 2012 00:57:12 +0200 Original-Received: from localhost ([::1]:44606 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SL0Ho-0004ot-6p for ged-emacs-devel@m.gmane.org; Thu, 19 Apr 2012 18:57:12 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:56354) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SL0Hl-0004mB-Hb for emacs-devel@gnu.org; Thu, 19 Apr 2012 18:57:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SL0Hj-0000si-Fr for emacs-devel@gnu.org; Thu, 19 Apr 2012 18:57:09 -0400 Original-Received: from mail-pz0-f49.google.com ([209.85.210.49]:34456) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SL0Hj-0000sS-7y for emacs-devel@gnu.org; Thu, 19 Apr 2012 18:57:07 -0400 Original-Received: by dadq36 with SMTP id q36so9915559dad.36 for ; Thu, 19 Apr 2012 15:57:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; bh=jlCz2s1iEQyeCbySqD2ET7EkrwJZFAu0L1fT2dV2Feo=; b=RZQYNw2QVOdiPDUfA891q7ZOwcjvv3TmykVKhEiAZv9cwaINQRcT0NAKl/rue63Ri2 OEmbbL8fMj89m46fOQgppI6Z0IjODxGZRItvY+YN0AvClMr49CjJZNZGvP9sjZOY8a1F OARBOv6YAOq5WRhscmFz4x2u2KN/Hur4Gb7+IgciAdo0Ju6XZuFGYswF0sFIcqkDgSoU 6SO7gFtnuv+K7tjGNzyVEH9dCd817g5cJRBj/Fmxrvlh3ERvqCeTXff8ds5gQCXiiCNA mEubE93P/VsWhKFnlcjgdJRsemGJPlemfa7xY9gxtK2MWxSR6tfHXMAxKwj5slqBmbdC ymNw== Original-Received: by 10.68.194.227 with SMTP id hz3mr7794227pbc.23.1334876224235; Thu, 19 Apr 2012 15:57:04 -0700 (PDT) Original-Received: by 10.143.83.9 with HTTP; Thu, 19 Apr 2012 15:56:24 -0700 (PDT) In-Reply-To: X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.210.49 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:149843 Archived-At: On Thu, Apr 19, 2012 at 23:52, Stefan Monnier wr= ote: > 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). `variable-at-point' is used five times in the lisp/* sources, and in every case there's a check like (and (symbolp val) val) or (if (eq val 0) nil val) so it seems like v-a-p needs an upgrade. =C2=A0 =C2=A0 Juanma