From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Chong Yidong" Newsgroups: gmane.emacs.devel Subject: Re: require-hard-newlines to use newline Date: Fri, 11 Mar 2005 21:23:29 -0500 (EST) Message-ID: <1421.220.255.169.59.1110594209.squirrel@220.255.169.59> References: <1483.220.255.172.231.1109730379.squirrel@www.stupidchicken.com> <2750.220.255.172.231.1109734015.squirrel@www.stupidchicken.com> <1415.220.255.169.59.1109818150.squirrel@www.stupidchicken.com> <1404.220.255.169.59.1109889146.squirrel@www.stupidchicken.com> <200503040033.j240XD022473@raven.dms.auburn.edu> <50554.203.116.59.23.1109897782.squirrel@www.stupidchicken.com> <200503080005.j2805Kg28696@raven.dms.auburn.edu> <2451.220.255.169.59.1110299961.squirrel@www.stupidchicken.com> <2518.220.255.169.59.1110532203.squirrel@www.stupidchicken.com> <3222.220.255.169.59.1110546234.squirrel@www.stupidchic NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: sea.gmane.org 1110594889 19666 80.91.229.2 (12 Mar 2005 02:34:49 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sat, 12 Mar 2005 02:34:49 +0000 (UTC) Cc: Stefan Monnier , rms@gnu.org, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Mar 12 03:34:48 2005 Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1D9wSY-0003c9-PH for ged-emacs-devel@m.gmane.org; Sat, 12 Mar 2005 03:34:36 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1D9whk-00051P-E7 for ged-emacs-devel@m.gmane.org; Fri, 11 Mar 2005 21:50:16 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1D9wgQ-0004lY-Ki for emacs-devel@gnu.org; Fri, 11 Mar 2005 21:48:57 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1D9wg1-0004c6-FH for emacs-devel@gnu.org; Fri, 11 Mar 2005 21:48:31 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1D9wg0-0004Zf-UJ for emacs-devel@gnu.org; Fri, 11 Mar 2005 21:48:28 -0500 Original-Received: from [64.21.80.18] (helo=shark.dnsvelocity.com) by monty-python.gnu.org with esmtp (TLSv1:DES-CBC3-SHA:168) (Exim 4.34) id 1D9wHz-00036Z-GM; Fri, 11 Mar 2005 21:23:39 -0500 Original-Received: from stupidch by shark.dnsvelocity.com with local (Exim 4.44) id 1D9wHp-0005HX-B9; Fri, 11 Mar 2005 21:23:29 -0500 Original-Received: from 220.255.169.59 ([220.255.169.59]) (SquirrelMail authenticated user cyd@stupidchicken.com); by www.stupidchicken.com with HTTP; Fri, 11 Mar 2005 21:23:29 -0500 (EST) In-Reply-To: Original-To: "Kim F. Storm" User-Agent: SquirrelMail/1.4.3a X-Mailer: SquirrelMail/1.4.3a X-Priority: 3 (Normal) Importance: Normal X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - shark.dnsvelocity.com X-AntiAbuse: Original Domain - gnu.org X-AntiAbuse: Originator/Caller UID/GID - [32675 33085] / [47 12] X-AntiAbuse: Sender Address Domain - stupidchicken.com X-Source: /usr/local/cpanel/3rdparty/bin/php X-Source-Args: /usr/local/cpanel/3rdparty/bin/php /usr/local/cpanel/base/3rdparty/squirrelmail/src/compose.php X-Source-Dir: :/base/3rdparty/squirrelmail/src 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:34500 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:34500 >> Sorry, I'm probably missing something, but I don't understand how this >> would work. Since each function would only be modifying their own local >> STRING variable, not the one that will actually be killed... > > It doesn't have to modify the variable `string', but its string value, > e.g. > > (defun x (s) > (aset s 1 ?-)) > (let ((s "abc")) > (x s) > s) > => "a-c" But this method restricts the possible manipulations to those that keep the string length unchanged. That is fine for longlines, which is just swapping spaces and newlines, but it may not be very useful for other (hypothetical) purposes. Even for longlines, aset would be very inconvenient to use.