From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.bugs Subject: bug#20640: 24.5; lexical-binding should work like a normal file-local variable Date: Mon, 25 May 2015 21:06:47 -0400 Message-ID: References: <55638701.9010400@dancol.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1432602436 3914 80.91.229.3 (26 May 2015 01:07:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 26 May 2015 01:07:16 +0000 (UTC) Cc: Philipp Stephani , 20640@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue May 26 03:07:08 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1Yx3Kl-0002YP-Vn for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 May 2015 03:07:08 +0200 Original-Received: from localhost ([::1]:45411 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yx3Kl-0002mU-9S for geb-bug-gnu-emacs@m.gmane.org; Mon, 25 May 2015 21:07:07 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49894) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yx3Kh-0002lx-LC for bug-gnu-emacs@gnu.org; Mon, 25 May 2015 21:07:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yx3Kg-0007Rx-Mj for bug-gnu-emacs@gnu.org; Mon, 25 May 2015 21:07:03 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46041) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yx3Kg-0007Rs-Jf for bug-gnu-emacs@gnu.org; Mon, 25 May 2015 21:07:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Yx3Kg-0002GA-Ae for bug-gnu-emacs@gnu.org; Mon, 25 May 2015 21:07:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Glenn Morris Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 26 May 2015 01:07:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20640 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20640-submit@debbugs.gnu.org id=B20640.14326024138671 (code B ref 20640); Tue, 26 May 2015 01:07:02 +0000 Original-Received: (at 20640) by debbugs.gnu.org; 26 May 2015 01:06:53 +0000 Original-Received: from localhost ([127.0.0.1]:56016 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yx3KW-0002Fn-IG for submit@debbugs.gnu.org; Mon, 25 May 2015 21:06:52 -0400 Original-Received: from fencepost.gnu.org ([208.118.235.10]:59044 ident=Debian-exim) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yx3KU-0002Ff-CL for 20640@debbugs.gnu.org; Mon, 25 May 2015 21:06:50 -0400 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1Yx3KR-0007y6-Kj; Mon, 25 May 2015 21:06:47 -0400 X-Spook: warfare class struggle basement terrorism MD4 beanpole X-Ran: atpA(qg!~Fa}D|l-D>0nE@y9:+lh-[\Gi8F1gxr\p(ooVt36$vT6Z}AZBoS/,?A<#n=q4E X-Hue: white X-Attribution: GM In-Reply-To: (Stefan Monnier's message of "Mon, 25 May 2015 18:55:50 -0400") User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:103170 Archived-At: Stefan Monnier wrote: >>> Allowing it at the end of the file, would require jumping to the end of >>> the file first, and then starting over from the beginning. >>> That'd be a very bad requirement. >> Why? We're going to have to read that page eventually anyway. > > Because we can't read the first page correctly until we know whether it > should be read in lexical-binding mode or in dynamic-binding mode. A few years ago, we said (IIUC) it was desirable: http://debbugs.gnu.org/10605 http://lists.gnu.org/archive/html/emacs-devel/2012-01/msg00543.html Or have speed-ups in uncompiled code shifted the balance? (But no-one shows any sign of doing anything, so it's all academic.)