From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.bugs Subject: bug#17657: pretty-print #:width values above 49 don't work? Date: Tue, 21 Jun 2016 16:47:20 +0200 Message-ID: <87lh1yy4xz.fsf@pobox.com> References: <1401560652.32669.YahooMailBasic@web185302.mail.gq1.yahoo.com> <87vbsk322v.fsf@yeeloong.lan> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1466520659 17237 80.91.229.3 (21 Jun 2016 14:50:59 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Jun 2016 14:50:59 +0000 (UTC) Cc: Mark Polesky , 17657-done@debbugs.gnu.org To: Mark H Weaver Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Tue Jun 21 16:50:49 2016 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bFN0n-00004u-LH for guile-bugs@m.gmane.org; Tue, 21 Jun 2016 16:50:45 +0200 Original-Received: from localhost ([::1]:52395 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFN0m-0003mv-R9 for guile-bugs@m.gmane.org; Tue, 21 Jun 2016 10:50:44 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43124) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFMyE-0001Uz-Nb for bug-guile@gnu.org; Tue, 21 Jun 2016 10:48:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bFMyA-0006bN-FJ for bug-guile@gnu.org; Tue, 21 Jun 2016 10:48:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:37539) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFMyA-0006bG-9G for bug-guile@gnu.org; Tue, 21 Jun 2016 10:48:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bFMyA-0005nZ-4o for bug-guile@gnu.org; Tue, 21 Jun 2016 10:48:02 -0400 Resent-From: Andy Wingo Original-Sender: "Debbugs-submit" Resent-To: bug-guile@gnu.org Resent-Date: Tue, 21 Jun 2016 14:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 17657 X-GNU-PR-Package: guile X-GNU-PR-Keywords: Mail-Followup-To: 17657@debbugs.gnu.org, wingo@pobox.com, markpolesky@yahoo.com Original-Received: via spool by 17657-done@debbugs.gnu.org id=D17657.146652045122246 (code D ref 17657); Tue, 21 Jun 2016 14:48:01 +0000 Original-Received: (at 17657-done) by debbugs.gnu.org; 21 Jun 2016 14:47:31 +0000 Original-Received: from localhost ([127.0.0.1]:49876 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bFMxf-0005mk-GJ for submit@debbugs.gnu.org; Tue, 21 Jun 2016 10:47:31 -0400 Original-Received: from pb-sasl1.pobox.com ([64.147.108.66]:60046 helo=sasl.smtp.pobox.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bFMxd-0005mc-7Z for 17657-done@debbugs.gnu.org; Tue, 21 Jun 2016 10:47:30 -0400 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id D60C223778; Tue, 21 Jun 2016 10:47:28 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=jrQtSCSpyD04OIHwNDQyE2VozhU=; b=Of1386 eoOW/VTY7cMxfExy8wvnQAxuZUqqadtvSXDb/AkT5p6nIL15To4Ym+zrACQa7yrW k7rteBfM2X+K3BiQo4Vm3USaUOIHU2hGOZi0oeE3+IarVs04kaMiofxv60OtJuUn pm5BL+VWWVdyeQf4Gv6TX85SlKREC6ViPlswo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=YJdR0XUiygCfMfHhc+GcBvzYNVRxKWKW rmhcKrMSv+1HZKqNPcLN3xZuFAtTmHeK1Yd4WYoZ10EQiXnOa7wBp6SzleOUfnP6 nlJK/vl3Drl//hf7E/Zp9AfiwYhb4D0pdZCLuO/pTqMgCHRxw9f5ITHtqZGG9B7F 6sI4wlueoJI= Original-Received: from pb-sasl1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id CCF7023776; Tue, 21 Jun 2016 10:47:28 -0400 (EDT) Original-Received: from clucks (unknown [88.160.190.192]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pb-sasl1.pobox.com (Postfix) with ESMTPSA id F0AE023775; Tue, 21 Jun 2016 10:47:27 -0400 (EDT) In-Reply-To: <87vbsk322v.fsf@yeeloong.lan> (Mark H. Weaver's message of "Sun, 01 Jun 2014 14:40:56 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) X-Pobox-Relay-ID: 133BABF4-37BF-11E6-874D-C1836462E9F6-02397024!pb-sasl1.pobox.com X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: "bug-guile" Xref: news.gmane.org gmane.lisp.guile.bugs:8100 Archived-At: Hi :) On Sun 01 Jun 2014 20:40, Mark H Weaver writes: > Mark Polesky writes: >> Neither example below should be line-wrapped, but the second one >> is. > > Our pretty printer, inherited from SLIB and originally written by Marc > Feeley, uses a great many heuristics to make formatting decisions. > These heuristics are undocumented and subject to change. > > One of its heuristics is that individual expressions shall not be more > than 49 columns wide. Notice that pretty-print.scm includes the > following internal definition: > > (define max-expr-width 50) > > (although in fact the maximum width ends up being 49) > >> Is there a workaround? > > A couple of years ago I added an undocumented #:max-expr-width keyword > argument to pretty-print, in order to improve the formatting of > psyntax-pp.scm. You could use that. Just pushed some documentation, so this bug is done. > It would be good to redesign and rewrite our pretty-printer from scratch > at some point. Yes! Andy