From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Luc Teirlinck Newsgroups: gmane.emacs.devel Subject: Re: file-name-shadow-mode Date: Sat, 19 Mar 2005 20:30:57 -0600 (CST) Message-ID: <200503200230.j2K2UvS03067@raven.dms.auburn.edu> References: <200503180435.j2I4Z2R18621@raven.dms.auburn.edu> <87is3p5zp2.fsf-monnier+emacs@gnu.org> <200503191521.j2JFL8901509@raven.dms.auburn.edu> <87r7ibziw6.fsf-monnier+emacs@gnu.org> NNTP-Posting-Host: main.gmane.org X-Trace: sea.gmane.org 1111286516 25693 80.91.229.2 (20 Mar 2005 02:41:56 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sun, 20 Mar 2005 02:41:56 +0000 (UTC) Cc: snogglethorpe@gmail.com, emacs-devel@gnu.org, rms@gnu.org, miles@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Mar 20 03:41:55 2005 Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DCqNw-0001P2-NK for ged-emacs-devel@m.gmane.org; Sun, 20 Mar 2005 03:41:49 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DCqek-00051S-US for ged-emacs-devel@m.gmane.org; Sat, 19 Mar 2005 21:59:10 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DCqeO-0004xu-3V for emacs-devel@gnu.org; Sat, 19 Mar 2005 21:58:48 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DCqeI-0004uy-Cj for emacs-devel@gnu.org; Sat, 19 Mar 2005 21:58:43 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DCqeH-0004s2-Ms for emacs-devel@gnu.org; Sat, 19 Mar 2005 21:58:41 -0500 Original-Received: from [131.204.53.104] (helo=manatee.dms.auburn.edu) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DCqE0-0001SM-F7; Sat, 19 Mar 2005 21:31:32 -0500 Original-Received: from raven.dms.auburn.edu (raven.dms.auburn.edu [131.204.53.29]) by manatee.dms.auburn.edu (8.12.10/8.12.10) with ESMTP id j2K2VU9N023228; Sat, 19 Mar 2005 20:31:31 -0600 (CST) Original-Received: (from teirllm@localhost) by raven.dms.auburn.edu (8.11.7p1+Sun/8.11.7) id j2K2UvS03067; Sat, 19 Mar 2005 20:30:57 -0600 (CST) X-Authentication-Warning: raven.dms.auburn.edu: teirllm set sender to teirllm@dms.auburn.edu using -f Original-To: monnier@iro.umontreal.ca In-reply-to: <87r7ibziw6.fsf-monnier+emacs@gnu.org> (message from Stefan Monnier on Sat, 19 Mar 2005 11:45:36 -0500) 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 X-MailScanner-To: ged-emacs-devel@m.gmane.org Xref: news.gmane.org gmane.emacs.devel:34806 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:34806 I am no longer sure that enabling `file-name-shadow-mode' by default is really a good idea. (_Not_ because it would be difficult: it could easily be done using `custom-reevaluate-setting' in startup.el, even without any changes to define-minor-mode.) The problem is a comment in rfn-eshadow.el: ;; This is not really a correct implementation; it won't always do the ;; right thing in the presence of environment variables that ;; substitute-in-file-name would expand; currently it just assumes any ;; environment variable contains an absolute filename. In other words, rfn-eshadow.el assumes that the value of _every_ environment variable is an absolute file name and it yields very confusing results when other environment variables are used in file names, say "/home/$USER". Sincerely, Luc.