From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Change a while loop into do while Date: Sat, 31 Dec 2016 10:47:42 -0800 Organization: UCLA Computer Science Department Message-ID: <37869b7e-f417-1b17-7d80-eb1bb4e580a6@cs.ucla.edu> References: <87lgv2km1x.fsf@gmail.com> <83shp4gx9g.fsf@gnu.org> <83ful4ge85.fsf@gnu.org> <83d1g8gdbd.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1483210082 27457 195.159.176.226 (31 Dec 2016 18:48:02 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 31 Dec 2016 18:48:02 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 Cc: czipperz@gmail.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Dec 31 19:47:57 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cNOh9-0006I5-6n for ged-emacs-devel@m.gmane.org; Sat, 31 Dec 2016 19:47:55 +0100 Original-Received: from localhost ([::1]:45126 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cNOhE-0000Kp-4e for ged-emacs-devel@m.gmane.org; Sat, 31 Dec 2016 13:48:00 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34919) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cNOh6-0000Ke-9p for emacs-devel@gnu.org; Sat, 31 Dec 2016 13:47:52 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cNOh5-0004mH-Jc for emacs-devel@gnu.org; Sat, 31 Dec 2016 13:47:52 -0500 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:57368) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cNOh1-0004jg-Rb; Sat, 31 Dec 2016 13:47:47 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id D6B53160073; Sat, 31 Dec 2016 10:47:45 -0800 (PST) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 1kLSL7Z8ygEd; Sat, 31 Dec 2016 10:47:43 -0800 (PST) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 74F2E160063; Sat, 31 Dec 2016 10:47:43 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 6jNW-Y-lPGNP; Sat, 31 Dec 2016 10:47:43 -0800 (PST) Original-Received: from [192.168.1.9] (unknown [47.153.178.162]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 552AA160074; Sat, 31 Dec 2016 10:47:43 -0800 (PST) In-Reply-To: <83d1g8gdbd.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:211038 Archived-At: Eli Zaretskii wrote: > Sorry, only the vector case will now yield a different result. Sure, but the caller cares only whether the result is a string, so there's no difference whether this function returns Qnil or its arg unchanged in that case, and returning its arg unchanged is slightly simpler.