From debbugs-submit-bounces@debbugs.gnu.org Mon Sep 09 20:24:37 2013 Received: (at submit) by debbugs.gnu.org; 10 Sep 2013 00:24:37 +0000 Received: from localhost ([127.0.0.1]:51123 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJBky-0005Dp-Q7 for submit@debbugs.gnu.org; Mon, 09 Sep 2013 20:24:37 -0400 Received: from fencepost.gnu.org ([208.118.235.10]:38672 ident=Debian-exim) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJBkw-0005Dh-V2 for submit@debbugs.gnu.org; Mon, 09 Sep 2013 20:24:35 -0400 Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1VJBkw-0002lE-4C; Mon, 09 Sep 2013 20:24:34 -0400 From: Glenn Morris To: submit@debbugs.gnu.org Subject: undocumented option to pass a "lexical environment" to eval X-Spook: 2600 Magazine Kh-11 diwn Venezuela Rand Corporation argus X-Ran: qbv4#]G~?4lp1dyWYrjF_#(=?!)t-vysh%mAOTE}Cooe?%-m_I>{/EB8B2m0TG-V( User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Spam-Score: -5.9 (-----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.9 (-----) Package: emacs Version: 24.3.50 I wondered how the changes in http://lists.gnu.org/archive/html/emacs-diffs/2013-09/msg00072.html could possibly work. Turns out `eval' has a completely undocumented behaviour: (eval 'foo t) -> (void-variable foo) (eval 'foo '((foo . 99))) -> 99 Added in http://lists.gnu.org/archive/html/emacs-diffs/2013-02/msg00317.html Not mentioned in NEWS, doc-string, anywhere, AFAICS. From debbugs-submit-bounces@debbugs.gnu.org Tue Sep 10 11:31:10 2013 Received: (at 15316) by debbugs.gnu.org; 10 Sep 2013 15:31:10 +0000 Received: from localhost ([127.0.0.1]:52716 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJPuG-0003qh-Gy for submit@debbugs.gnu.org; Tue, 10 Sep 2013 11:31:09 -0400 Received: from chene.dit.umontreal.ca ([132.204.246.20]:54068) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJPuD-0003qW-HY for 15316@debbugs.gnu.org; Tue, 10 Sep 2013 11:31:05 -0400 Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id r8AFV3It017861; Tue, 10 Sep 2013 11:31:04 -0400 Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id D6E04B40D6; Tue, 10 Sep 2013 11:31:03 -0400 (EDT) From: Stefan Monnier To: Glenn Morris Subject: Re: bug#15316: undocumented option to pass a "lexical environment" to eval Message-ID: References: Date: Tue, 10 Sep 2013 11:31:03 -0400 In-Reply-To: (Glenn Morris's message of "Mon, 09 Sep 2013 20:24:33 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain 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, RV4697=0 X-NAI-Spam-Version: 2.3.0.9362 : core <4697> : inlines <79> : streams <1034961> : uri <1532770> X-Spam-Score: -2.0 (--) X-Debbugs-Envelope-To: 15316 Cc: 15316@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.0 (--) > Not mentioned in NEWS, doc-string, anywhere, AFAICS. Indeed, sorry. I just added it to NEWS and to eval's docstring. Stefan From debbugs-submit-bounces@debbugs.gnu.org Tue Sep 10 11:51:29 2013 Received: (at control) by debbugs.gnu.org; 10 Sep 2013 15:51:29 +0000 Received: from localhost ([127.0.0.1]:52799 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJQDx-0004PC-Dy for submit@debbugs.gnu.org; Tue, 10 Sep 2013 11:51:29 -0400 Received: from fencepost.gnu.org ([208.118.235.10]:56869 ident=Debian-exim) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJQDv-0004P3-6T for control@debbugs.gnu.org; Tue, 10 Sep 2013 11:51:27 -0400 Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1VJQDu-00064G-WA for control@debbugs.gnu.org; Tue, 10 Sep 2013 11:51:27 -0400 Date: Tue, 10 Sep 2013 11:51:26 -0400 Message-Id: Subject: control message for bug 15316 To: X-Mailer: mail (GNU Mailutils 2.1) From: Glenn Morris X-Spam-Score: -5.7 (-----) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.7 (-----) close 15316 24.4 From unknown Tue Jun 24 13:58:00 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. 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