Received: from mail.proteosys.com ([62.225.9.49]) by nummer-3.proteosys with Microsoft SMTPSVC(5.0.2195.5329); Wed, 12 Mar 2003 00:22:15 +0100 Received: by mail.proteosys.com (8.12.3/8.12.2) with ESMTP id h2BNMDa9023716 for ; Wed, 12 Mar 2003 00:22:14 +0100 Received: from listserv.uni-heidelberg.de (listserv.uni-heidelberg.de [129.206.100.27]) by relay2.uni-heidelberg.de (8.12.8/8.12.8) with ESMTP id h2BNDHle004809; Wed, 12 Mar 2003 00:13:17 +0100 (MET) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C2E825.0D0A2D80" Received: from listserv (listserv.uni-heidelberg.de [129.206.100.27]) by listserv.uni-heidelberg.de (8.12.3/8.12.3/SuSE Linux 0.6) with ESMTP id h2BN04N4001677; Wed, 12 Mar 2003 00:12:00 +0100 Received: from LISTSERV.UNI-HEIDELBERG.DE by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 1.8d) with spool id 6426 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Wed, 12 Mar 2003 00:12:00 +0100 X-MimeOLE: Produced By Microsoft Exchange V6.5 Received: from relay2.uni-heidelberg.de (relay2.uni-heidelberg.de [129.206.210.211]) by listserv.uni-heidelberg.de (8.12.3/8.12.3/SuSE Linux 0.6) with ESMTP id h2BNC0MK001764 for ; Wed, 12 Mar 2003 00:12:00 +0100 Received: from mercury.open.ac.uk (mercury.open.ac.uk [137.108.128.150]) by relay2.uni-heidelberg.de (8.12.8/8.12.8) with ESMTP id h2BNCIle004721 for ; Wed, 12 Mar 2003 00:12:18 +0100 (MET) Received: from fell.open.ac.uk by mercury.open.ac.uk via SMTP Local (Mailer 3.1) with ESMTP; Tue, 11 Mar 2003 23:12:09 +0000 Received: (from car2@localhost) by fell.open.ac.uk (8.9.3+Sun/8.9.1) id XAA14886; Tue, 11 Mar 2003 23:11:43 GMT In-Reply-To: References: <630BE70C8320D6118D240002A589ABB204A95102@DERUM201> Return-Path: X-Mailer: VM 6.76 under Emacs 20.7.1 X-OriginalArrivalTime: 11 Mar 2003 23:22:16.0071 (UTC) FILETIME=[0DAD9970:01C2E825] X-Authentication-Warning: fell.open.ac.uk: car2 set sender to car2@fell.open.ac.uk using -f X-Scanned-By: MIMEDefang 2.28 (www . roaringpenguin . com / mimedefang) X-Spam-Score: -0.7 () IN_REP_TO,REFERENCES,SPAM_PHRASE_02_03,X_AUTH_WARNING Content-class: urn:content-classes:message Subject: Re: algorithm for \addvspace Date: Wed, 12 Mar 2003 00:11:42 +0100 Message-ID: A<15982.27950.882763.502473@fell.open.ac.uk> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Re: algorithm for \addvspace Thread-Index: AcLoJQ3QOcbHvlnUTCCpmztGBAA7dg== From: "Chris Rowley" To: Reply-To: "Mailing list for the LaTeX3 project" Status: R X-Status: X-Keywords: X-UID: 4572 This is a multi-part message in MIME format. ------_=_NextPart_001_01C2E825.0D0A2D80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Frank, Lars Take care! I have not followed all the details of your debate but I get the impression that you may be wrong about how \vspace interacts with = \addvspace. This is best described as `no interaction', since \vspace and relatives all `end with' \vskip\z@skip . The purpose of this is that, in LaTeX, _only_ those spaces added by \addvspace should interact (and with \addpenalty); all other spaces are irrelevant. Of course this does not work in general because TeX skips get added by all sorts of internal processes; on the whole, the LaTeX code tries to pretend those do not exist. chris ------_=_NextPart_001_01C2E825.0D0A2D80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: algorithm for \addvspace

Frank, Lars

Take care!

I have not followed all the details of your debate but = I get the
impression that you may be wrong about how \vspace = interacts with \addvspace.

This is best described as `no interaction', since = \vspace and
relatives all `end with'

  \vskip\z@skip .

The purpose of this is that, in LaTeX, _only_ those = spaces
added by \addvspace should interact (and with = \addpenalty);
all other spaces are irrelevant.

Of course this does not work in general because TeX = skips get added by
all sorts of internal processes; on the whole, the = LaTeX code tries to
pretend those do not exist.


chris

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