UKTeX Digest Friday, 27 Nov 1992 Volume 92 : Issue 44 ``The UKTeX Digest is brought to you as a free, unfunded and voluntary service of the UK TeX Users Group and the UK TeX Archive.'' Today's Topics: {Q&A}: Reese's query on hanging indentation Scoping Help needed with NFSS Re: Help needed with NFSS Conversion from LaTeX to Word-for-Windows? mfpic bug and a solution Double and Single Spacing in LaTeX Re: Double and single spacing in Latex Re: Double and Single Spacing in LaTeX Re: Double and Single Spacing in LaTeX emTeX DVIHPLJ and DVISCR Administrivia: Moderators: Peter Abbott (Aston University) and David Osborne (University of Nottingham) Contributions: UKTeX@uk.ac.tex Administration, subscription and unsubscription requests: UKTeX-request@uk.ac.tex ------------------------------------------------------------ Date: Thu, 19 Nov 92 16:46:00 +0000 From: Jonathan Fine Subject: Reese's query on hanging indentation Allan Reese ask why it is that \def\hang{ \hangindent= etc } \everypar{\hang} does not properly work when {\bf This} is the first word of a paragraph is the text to be typeset. I dont'w have the TeXbook to hand (or TeX on a familar machine) but my understanding is this. 1. The values of \hangindent and \hangafter at the *end* of the paragraph determine the \hang-indentation. 2. \hangafter and \hangindent are reset to zero at the end of each paragraph, and also when a \vbox is begun. 2a. (It may be that they are reset to zero at the beginning of the paragraph, but I doubt it. 3. If the mode is vertical, then horizontal mode material - such as a letter, will begin a paragraph, and thus trigger \everypar. This, the line above {\bf This} is the first word of a paragraph will first a) begin a group then b) change font c) horizontal material, and so d) insert \everypar e) go on to typeset. CONCLUSIONS 1. The \everypar material has taken place within a group. 2. The values of \hangafter and \hangindent have not changed at the end of the paragraph. 3. The problem will "go away" if the \hang command made *\global* assignments to \hangafter and \hangindent. 4. This is a trap for the unwary. Best wishes Jonathan Fine ------------------------------ Date: Mon, 23 Nov 92 13:37:17 +0700 From: "R.A.Reese" Subject: Scoping Looking again at the replies to "another gem", I think there is some confusion about my original point. TeX has scoping rules for objects, i.e., macros, and these follow some convention of a block structured language. What I was commen ting on is the use of variables, i.e., registers, I haven't fully understood Jerry Leichter's detailed response, but he also refers to "TeX where macros can defin e other macros". The "declarations" involved in using registers are, if anything, declarations of pointers, since TeX has a fixed number of registers and a command such as \newcount \comnumber allocates the next available register and makes \comnumber in some sense synonymous with its index number. The pitfall I found (twice in one day) is that if you write \advance\comnumber by 1 in a group, you get an answer that is one greater than the value on entry to the group, but on exit from the group \comnumber reverts to its previous value. So why does a local copy get made? A nd given the fixed workspace, where? The solution seems to be (almost) always to put \global\advance whenever doing arithmetic in a macro, since you don't know whether it will be expanded within a group or not. Conversely, since you don't know whether the macro will be expanded at the outer level, you can't rely on i ts leaving the register unchanged. So I don't see the advantage of not having an implicit \global or just saying that registers, like macros, stay in scope for inferior blocks unless redefined. - -- (R.) Allan Reese Janet: r.a.reese@uk.ac.hull Head of Applications Direct voice: +44 482 465296 Computer Centre Voice messages: +44 482 465685 Hull University Fax: +44 482 466441 Hull HU6 7RX, U.K. ------------------------------ Date: Mon, 23 Nov 92 09:01:29 +0000 From: MAHearnden Subject: Help needed with NFSS I hope that someone in the group is able to help me. My aim is to make AmsLaTex/AmsTeX available to users of our Hewlett Packard 9000/800 machines, which are using HP-UX v8. TeX and LaTeX were installed by someone else, mostly by copying stuff over from another machine. The person who installed THAT cant remember the details enough to help me. But I discovered that AMS needs NFSS fonts, and I needed to update LaTex (and, perhaps, Tex). So I started to update to the latest version of Latex. I ftp'd the file - from Imperial, I think, anyway, the date on it was Mar92. Uncompressed it and de-tarred it. Printed out the installation instructions. Running through the instructions in the Latex.ins document, I've copied the new versions of the files to the relevant directories, and run initex to create a new version of lplain.fmt. The next step is to run virtex to produce a core dump: OK. The 'undump' command which follows this fails. The documentation says that the current release of WEB-to-C no longer uses undump, 'follow the instructions in the WEB-to-C documentation'. Hence my question: I can't find said instructions . I've had a poke around, but cant see anything likely. Can someone tell me what instruction I should use to create a new Latex which implements NFSS fonts? Or where I can find the information? I'm sorry to bother you all, but I'm getting rather desperate. Mavis (a very new Latex 'administrator') PS Seems that I'm half way to installing NFSS, but not far enough. To add to my troubles, this new version of lplain.fmt (at least, I assume it's this), when using art10.sty, reports a fault at {\reset@font\Large\bf}} complaining about undefined control sequence. Please help - -- Mavis Hearnden Computer Centre Loughborough University, Leicestershire England ------------------------------ Date: Thu, 26 Nov 92 09:25:15 +0100 From: Schoepf%de.zib-berlin.sc@uk.ac.uknet-relay Subject: Re: Help needed with NFSS Regarding amslatex installation: > Next file asked for was xxxlfont.sty: it got oldlfont.sty. > (version 1.3f, Sept 92) > initex picked up the latex.tex file, dated Jan 1992.After the \dump command, a > list of fonts followed: these seemed to > be in NFSS format (e.g.,\font\cmsy/m/n/11=cmsy10 at 10.95pt) > Finally, I copied the lplain.fmt file into the /formats directory. > > Tried the Amslatex file testart.tex, and got the same old message! This should work, except that basefont.tex should be used instead of oldlfont.sty. > >> Now I've found some more files - two with the suffix .dc, > and an install.mz3 which invites one to get the docstrip > script and use latex install.mz3. > I had a try at this: it implied that this produced files which were > essential for NFSS. Unfortunately, it failed when stripping scripts.doc. Probably an old docstrip (before version 2). Rainer ------------------------------ Date: Mon, 23 Nov 92 16:46:47 +0000 From: Philip Taylor (RHBNC) Subject: Conversion from LaTeX to Word-for-Windows? Michael Branson (081-908 1686) would like to know if there exists a mechanism for converting a LaTeX file (including mathematics) into Word-for-Windows format. Philip Taylor, RHBNC. ------------------------------ Date: 24 Nov 92 11:52:41 +0000 From: M.Piff@uk.ac.sheffield Subject: mfpic bug and a solution There is a problem that I have noticed with MFPIC. If you try to centre diagrams with labels in, the diagrams break up. There is an easy fix for LaTeX pictures, but it would be preferable if the same thing were done in the plain TeX macros instead. LaTeX fix is appended. I have set all the diagrams for one of my courses with this package, and very successfully, although standard MF became amnesic when I gave it the sixth Fourier approximation to a square wave to draw. All you need to run MFPIC is MF the program, the plain format and GFTOPK, which does not occupy that much space on a hard disk. You don't need all the font sources as well, but you will need the file with the mode definition for your printer. In MS-DOS the package can be run from a simple batch file. Here is mine for generating fonts suitable for a laserjet. @echo off rem THIS IS MFPIC.BAT mf &plain \mode=localfont; input %1 ren SBMF generates %1.300, so... del %1.gf rem ...and... ren %1.300 %1.gf gftopk %1 rem Now we have %1.tfm and %1.pk in current directory. del %1.gf Mode localfont has been set to a laserjet. One has to tell TeX and the drivers where the .TFM and .PK files are. This can be done in emTeX by means of environment variables. The current directory ``.'' is then searched first. set textfm=.;e:\tfms set dvidrv=/pf.;e:\fonts\dpi$r I can thoroughly recommend this package. Mike Piff %%% File: lamfpic.tex %%% \catcode`!=11 \let\!picture=\picture \let\!endpicture=\endpicture \input{mfpic} \let\!pic=\picture \let\!endpic=\endpicture \newenvironment{mfpic}% {\leavevmode\vbox\bgroup\flushleft\!pic}{\!endpic\egroup} %%<--- MJP \let\picture=\!picture \let\endpicture=\!endpicture \catcode`!=12 Dr M J Piff JANET: Department of Pure Mathematics pm1mjp%hicks1.shef@sunc.shef.ac.uk University of Sheffield M.Piff@pa.shef.ac.uk Hicks Building Hounsfield Road SHEFFIELD S3 7RH Telephone: SHEFFIELD (0742) 768555 England Ext. 4431 ------------------------------ Date: Tue, 24 Nov 92 14:24:00 +0000 From: Alastair G Gunn <"ARVAD::AGG"@uk.ac.queens-belfast.armagh.starlink> Subject: Double and Single Spacing in LaTeX I have been given your username by my site manager in the hope that you will be able to help me with a problem I have in LaTeX. The problem sounds quite simple - I wish to be able to change between single and double line spacing at will in a LaTeX document. So far this simple task has evaded me. I have not been able to redefine the line spacing mid document and do not wish to solve the problem by pasting together many seperate LaTeX runs. I have attempted to use the \baselinestretch command amongst other things but all of these seem determined not to be flexible. Can you offer any help or suggestions? Alastair G Gunn Armagh Observatory ------------------------------ Date: Tue, 24 Nov 92 10:26:34 -0500 From: fisica@GOV.NASA.DNET.astrpd (Max Calvani - Italy) Subject: Re: Double and single spacing in Latex Could not reply directly due to mailer failure here. I think that doublespace.sty is what you are looking for. It is at Aston archive under (I hope) [.latex.contrib] { Sebastian has moved [.latex] down into a [.macros] top-level directory, so it's now [.macros.latex.contrib]doublespace.sty --Ed.} Max ------------------------------ Date: Wed, 25 Nov 92 10:29:45 +0000 From: Peter Abbott Subject: Re: Double and Single Spacing in LaTeX Use the renewcommand to change the spacing where required. The secret is to the use a sizechanging command such as normalsize, otherwise the renewcommand is not actioned. e.g \renewcommand{baselinestretch}{1.1}\normalsize Peter Abbott pp Aston Archivists ------------------------------ Date: Thu, 26 Nov 92 17:50:03 +0100 From: Schoepf%de.zib-berlin.sc@uk.ac.uknet-relay Subject: Re: Double and Single Spacing in LaTeX Peter wrote: > \renewcommand{baselinestretch}{1.1}\normalsize This might not work as expected, since \normalsize contains an optimization that acts as a no-op if the current size is already \normalsize. The following works under all circumstances: \renewcommand{baselinestretch}{1.1}\small\normalsize Rainer ------------------------------ Date: 27 Nov 92 12:40:59 +0000 From: M.Piff@uk.ac.sheffield Subject: emTeX DVIHPLJ and DVISCR I have version 1.4d of these drivers. Contrary to the manual, the transformations, eg, /tr1, do NOT turn round PCX graphics files of about 8k. Does anyone know whether there is a later version that DOES do this? 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