From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Mark H Weaver Newsgroups: gmane.lisp.guile.bugs,gmane.lisp.guile.devel Subject: bug#16357: insufficient print abbreviation in error messages Date: Sat, 25 Jun 2016 21:05:36 -0400 Message-ID: <871t3krc7z.fsf@netris.org> References: <20140105230032.GB30283@fysh.org> <87ziqezqg5.fsf@pobox.com> <87lh1vrggi.fsf@netris.org> <87inwzn5w1.fsf@pobox.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1466903190 11878 80.91.229.3 (26 Jun 2016 01:06:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Jun 2016 01:06:30 +0000 (UTC) Cc: Zefram , 16357@debbugs.gnu.org, guile-devel@gnu.org To: Andy Wingo Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Sun Jun 26 03:06:19 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 1bGyWf-0003IG-Ez for guile-bugs@m.gmane.org; Sun, 26 Jun 2016 03:06:17 +0200 Original-Received: from localhost ([::1]:52030 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bGyWb-0007Jy-Lk for guile-bugs@m.gmane.org; Sat, 25 Jun 2016 21:06:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43034) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bGyWU-0007In-76 for bug-guile@gnu.org; Sat, 25 Jun 2016 21:06:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bGyWQ-00013P-WB for bug-guile@gnu.org; Sat, 25 Jun 2016 21:06:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:43522) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bGyWQ-00013E-TC for bug-guile@gnu.org; Sat, 25 Jun 2016 21:06:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bGyWQ-0002BE-IN for bug-guile@gnu.org; Sat, 25 Jun 2016 21:06:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Mark H Weaver Original-Sender: "Debbugs-submit" Resent-CC: bug-guile@gnu.org Resent-Date: Sun, 26 Jun 2016 01:06:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16357 X-GNU-PR-Package: guile X-GNU-PR-Keywords: Original-Received: via spool by 16357-submit@debbugs.gnu.org id=B16357.14669031558366 (code B ref 16357); Sun, 26 Jun 2016 01:06:01 +0000 Original-Received: (at 16357) by debbugs.gnu.org; 26 Jun 2016 01:05:55 +0000 Original-Received: from localhost ([127.0.0.1]:55859 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bGyWJ-0002As-18 for submit@debbugs.gnu.org; Sat, 25 Jun 2016 21:05:55 -0400 Original-Received: from world.peace.net ([50.252.239.5]:58659) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bGyWI-0002Af-5k for 16357@debbugs.gnu.org; Sat, 25 Jun 2016 21:05:54 -0400 Original-Received: from pool-71-174-35-80.bstnma.east.verizon.net ([71.174.35.80] helo=jojen) by world.peace.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1bGyWB-0001IZ-S8; Sat, 25 Jun 2016 21:05:47 -0400 In-Reply-To: <87inwzn5w1.fsf@pobox.com> (Andy Wingo's message of "Thu, 23 Jun 2016 19:59:10 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.95 (gnu/linux) 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:8253 gmane.lisp.guile.devel:18440 Archived-At: Andy Wingo writes: > On Thu 23 Jun 2016 18:57, Mark H Weaver writes: > >> Andy Wingo writes: >>> Or, we could use print states. But print states are not so great and >>> ideally we would remove them eventually. >> >> We will need print states, or something like them, to support writing >> cyclic data structures as required by R7RS. > > I was thinking parameters would be sufficient. Dunno. WDYT about that? Parameters would propagate to places where we don't want them to propagate. For example, if in the course of running a custom printer, some internal procedure prints something to a different port, e.g. to a string port, then the parameter would still take effect. Mark