From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Lennart Borgman (gmail)" Newsgroups: gmane.emacs.devel Subject: Re: print-circle and describe-variable Date: Mon, 09 Apr 2007 11:06:31 +0200 Message-ID: <461A0217.3070004@gmail.com> References: <4616EBD0.8020104@gmail.com> <4619903E.30608@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1176109782 26124 80.91.229.12 (9 Apr 2007 09:09:42 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 9 Apr 2007 09:09:42 +0000 (UTC) Cc: rms@gnu.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Apr 09 11:08:58 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 1HappZ-00089M-Ag for ged-emacs-devel@m.gmane.org; Mon, 09 Apr 2007 11:06:33 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HaptM-0001xy-Ow for ged-emacs-devel@m.gmane.org; Mon, 09 Apr 2007 05:10:28 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HaptI-0001xt-9q for emacs-devel@gnu.org; Mon, 09 Apr 2007 05:10:24 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HaptG-0001xh-OK for emacs-devel@gnu.org; Mon, 09 Apr 2007 05:10:23 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HaptG-0001xe-Cl for emacs-devel@gnu.org; Mon, 09 Apr 2007 05:10:22 -0400 Original-Received: from ch-smtp02.sth.basefarm.net ([80.76.149.213]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1HappQ-0004OX-JN; Mon, 09 Apr 2007 05:06:24 -0400 Original-Received: from c83-254-145-24.bredband.comhem.se ([83.254.145.24]:65179 helo=[127.0.0.1]) by ch-smtp02.sth.basefarm.net with esmtp (Exim 4.63) (envelope-from ) id 1HappN-0007tF-93; Mon, 09 Apr 2007 11:06:23 +0200 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.10) Gecko/20070221 Thunderbird/1.5.0.10 Mnenhy/0.7.5.666 In-Reply-To: X-Antivirus: avast! (VPS 000731-1, 2007-04-08), Outbound message X-Antivirus-Status: Clean X-Scan-Result: No virus found in message 1HappN-0007tF-93. X-Scan-Signature: ch-smtp02.sth.basefarm.net 1HappN-0007tF-93 ce92dc1f348f5592e4b2b96fd7acd603 X-detected-kernel: Linux 2.6? (barebone, rare!) 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:69218 Archived-At: Eli Zaretskii wrote: >> Date: Mon, 09 Apr 2007 03:00:46 +0200 >> From: "Lennart Borgman (gmail)" >> Cc: rms@gnu.org, emacs-devel@gnu.org >> >>> I can think of one: too late. >> But we do believe that print-circle makes it possible to print out >> recursive structures, or? And we do not believe that it disturbs >> printing out non-recursive structures (except that it gets a bit >> slower), or? >> >> Could it make much harm then if we let describe-variable use it? And is >> it not a bug that Emacs hangs and eats all memory if you try to display >> a recursive structure with describe-variable? > > Lennart, there will always be ``one more bug''. If we strive to > release Emacs without bugs at all, we will never release! I am disturbed by this particular bug, but of course recursive structures are not that common. However describe-variable is one of the few places where print-circle really makes a difference and where the chance that it disturbs something is quite small.