From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.devel Subject: Recent change to describe-variable Date: Sat, 02 Apr 2011 20:15:15 -0400 Message-ID: <874o6gur58.fsf@stupidchicken.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1301789741 29169 80.91.229.12 (3 Apr 2011 00:15:41 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 3 Apr 2011 00:15:41 +0000 (UTC) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Apr 03 02:15:33 2011 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 4.69) (envelope-from ) id 1Q6Ayb-0001jX-5N for ged-emacs-devel@m.gmane.org; Sun, 03 Apr 2011 02:15:33 +0200 Original-Received: from localhost ([127.0.0.1]:43253 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q6Aya-00043d-A0 for ged-emacs-devel@m.gmane.org; Sat, 02 Apr 2011 20:15:32 -0400 Original-Received: from [140.186.70.92] (port=45111 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q6AyQ-00043V-QY for emacs-devel@gnu.org; Sat, 02 Apr 2011 20:15:27 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q6AyM-0003Iv-8p for emacs-devel@gnu.org; Sat, 02 Apr 2011 20:15:22 -0400 Original-Received: from vm-emlprdomr-05.its.yale.edu ([130.132.50.146]:34873) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q6AyM-0003Im-6f for emacs-devel@gnu.org; Sat, 02 Apr 2011 20:15:18 -0400 Original-Received: from furball ([64.134.67.135]) (authenticated bits=0) by vm-emlprdomr-05.its.yale.edu (8.14.4/8.14.4) with ESMTP id p330FFd8011374 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sat, 2 Apr 2011 20:15:15 -0400 Original-Received: by furball (Postfix, from userid 1000) id 99E281603EB; Sat, 2 Apr 2011 20:15:15 -0400 (EDT) X-Scanned-By: MIMEDefang 2.71 on 130.132.50.146 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 130.132.50.146 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:138080 Archived-At: The completion function for describe-variable now uses the predicate (lambda (vv) (or (special-variable-p vv) (get vv 'variable-documentation))) This breaks using C-h v to examine let-bound variables in Lisp backtraces. Also, when coding I sometimes do (setq foo 1), and use C-h v to examine the placeholder variable later on; this now fails. There doesn't seem to be any good reason to restrict the completion this way.