From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: Multi-tty design (Re: Reordering etc/NEWS) Date: Thu, 24 May 2007 06:55:11 -0400 Message-ID: References: <85ps53fcm0.fsf@lola.goethe.zz> <200705142004.l4EK4DHg012188@oogie-boogie.ics.uci.edu> <85lkfrf91x.fsf@lola.goethe.zz> <200705142102.l4EL2pHK013655@oogie-boogie.ics.uci.edu> <4649D75C.2090905@lorentey.hu> <464A6144.10905@lorentey.hu> <86ejlfpfdj.fsf@lola.quinscape.zz> <861whepoq7.fsf@lola.quinscape.zz> <868xbmmbji.fsf@lola.quinscape.zz> <858xbjq320.fsf@lola.goethe.zz> <861whai9k1.fsf@lola.quinscape.zz> <868xbhgy7y.fsf@lola.quinscape.zz> <851wh8ble5.fsf@lola.goethe.zz> <85iraj737i.fsf@lola.goethe.zz> Reply-To: rms@gnu.org NNTP-Posting-Host: lo.gmane.org Content-Type: text/plain; charset=ISO-8859-15 X-Trace: sea.gmane.org 1180004131 7635 80.91.229.12 (24 May 2007 10:55:31 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 24 May 2007 10:55:31 +0000 (UTC) Cc: miles.bader@necel.com, emacs-devel@gnu.org To: David Kastrup Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu May 24 12:55:26 2007 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 4.50) id 1HrAya-0000Ho-96 for ged-emacs-devel@m.gmane.org; Thu, 24 May 2007 12:55:24 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HrAyc-0002Zl-Ns for ged-emacs-devel@m.gmane.org; Thu, 24 May 2007 06:55:26 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HrAyW-0002Y8-DE for emacs-devel@gnu.org; Thu, 24 May 2007 06:55:20 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HrAyV-0002Xr-O5 for emacs-devel@gnu.org; Thu, 24 May 2007 06:55:19 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HrAyV-0002Xl-Ki for emacs-devel@gnu.org; Thu, 24 May 2007 06:55:19 -0400 Original-Received: from fencepost.gnu.org ([199.232.76.164]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1HrAyV-0002x6-9x for emacs-devel@gnu.org; Thu, 24 May 2007 06:55:19 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.60) (envelope-from ) id 1HrAyN-0003Xn-5m; Thu, 24 May 2007 06:55:11 -0400 In-reply-to: <85iraj737i.fsf@lola.goethe.zz> (message from David Kastrup on Wed, 23 May 2007 21:24:49 +0200) X-detected-kernel: Linux 2.6, seldom 2.4 (older, 4) 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:71722 Archived-At: The problem is that such loops are the _obvious_ thing for manipulating process-environment. So we need not only bother about code inside of Emacs, but also in external packages. It surprises me that you want to look for more than one envvar at a time. If all the programs that do this will react well to using the null string, I guess we can use the null string.