From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Moreton Newsgroups: gmane.emacs.devel Subject: Re: list-print-separator Date: Tue, 26 Apr 2011 13:52:03 +0100 Message-ID: References: <8762qr8x23.fsf@lifelogs.com> <87vcy7mbxq.fsf@lifelogs.com> <87hb9nglen.fsf@lifelogs.com> <877haiebj9.fsf@lifelogs.com> <82vcy2rqhk.fsf@gmail.com> <878vuyj6gd.fsf@lifelogs.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1303822345 31508 80.91.229.12 (26 Apr 2011 12:52:25 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 26 Apr 2011 12:52:25 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 26 14:52:21 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QEhka-0002bP-KH for ged-emacs-devel@m.gmane.org; Tue, 26 Apr 2011 14:52:20 +0200 Original-Received: from localhost ([::1]:56902 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QEhkZ-0004lr-SS for ged-emacs-devel@m.gmane.org; Tue, 26 Apr 2011 08:52:19 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:51617) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QEhkW-0004lV-RA for emacs-devel@gnu.org; Tue, 26 Apr 2011 08:52:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QEhkW-0007W6-0q for emacs-devel@gnu.org; Tue, 26 Apr 2011 08:52:16 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:37527) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QEhkV-0007W0-Ir for emacs-devel@gnu.org; Tue, 26 Apr 2011 08:52:15 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1QEhkT-0002ZB-1Q for emacs-devel@gnu.org; Tue, 26 Apr 2011 14:52:13 +0200 Original-Received: from 193.34.186.16 ([193.34.186.16]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 26 Apr 2011 14:52:13 +0200 Original-Received: from andrewjmoreton by 193.34.186.16 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 26 Apr 2011 14:52:13 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 40 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 193.34.186.16 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (windows-nt) Cancel-Lock: sha1:fbcM4RSy2gCbaV4CS6CiZcWoPmE= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 80.91.229.12 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:138783 Archived-At: On Mon 25 Apr 2011, Ted Zlatanov wrote: > On Mon, 25 Apr 2011 22:05:43 +0100 Andy Moreton wrote: > > AM> On Mon 25 Apr 2011, Stefan Monnier wrote: > SM> Hmm... I wouldn't try to compare the speed of `print' with that of `pp' > SM> since they do very different amounts of work and are implemented in > SM> languages whose performance is very different, but there's clearly room > SM> for improvement in pp's speed. >>>> I want to print out a large ELisp data structure prettily. The Gnus >>>> newsrc.eld, for example, or the Gnus registry hashtable. I'll use >>>> whatever makes it happen as fast as possible. >>> >>> The newsrc.eld has never been pretty and it's never been a problem, AFAIK. >>> Not sure what's the "Gnus registry", so I can't comment on that. > > AM> I use somthing like this for a prettier newsrc.eld: > > AM> (add-hook 'gnus-save-quick-newsrc-hook > AM> (lambda () > AM> (save-excursion > AM> (goto-char (point-min)) > AM> (save-match-data > AM> (while (re-search-forward "(\\\"\\| ((\\| (nn" nil t) > AM> (replace-match "\n \\&" t))) > AM> (delete-trailing-whitespace)))) > > AM> It may not be perfect, but it does make it a great deal more readable. > > Me too, but that doesn't work for new users, it relies on regular > expressions, and it's slow. My suggestion for the above was basically > to make `list-print-separator' "\n \\" but I will instead work on `pp' > as Stefan has requested. New users may have difficulty with regexps, so why not just do this inside gnus anyway ? The regexp loop is pretty simple , and I've never noticed it being slow. Tweaking `pp' is useful too though. AndyM