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(Message texhax/v96:14)
From:      owner-texhax-digest
To:        texhax-digest
Subject:   TeXhax Digest V96 #14
Reply-To:  TeXhax@tex.ac.uk
Errors-To: owner-texhax-digest
Precedence: bulk


TeXhax Digest             Friday, 1 November 1996      Volume 96 : Number 014

(incorporating UKTeX Digest)

Today's Topics:

    unsuscribe
    Phone: +44 171 380 7293
    Converting LaTex2e to HTML
    Re: TeXhax Digest V96 #13
    Downloading TeX & LaTeX
    Plain TeX query about \csname ... \endcsname
    Memory question
    'none'

----------------------------------------------------------------------

From: Dave Elliman <dge@Cs.Nott.AC.UK>
Date: Tue, 15 Oct 96 12:07:16 +0100
Subject: unsuscribe


------------------------------

From: Russel Winder <R.Winder@cs.ucl.ac.uk>
Date: Tue, 15 Oct 1996 14:11:08 +0100
Subject: Phone: +44 171 380 7293

Jose,

> From: Jose Manuel Souto Menendez <mtpsomej@lg.ehu.es>
> Date: Fri, 4 Oct 1996 19:14:51 +0100 (WET DST)
> Subject: Answers
> 
> I am writing a book with Latex and I would like to know how it is posible
> to write the answers of some of the exercises in such a way that that
> they appear at the end of the book. Are there any macros to solve
> this problem? (I am using AMSLaTeX, and with LaTeX2e).
>       Thank you very much,
>       Jose M. Souto

I do not know of any macros for doing this, I have to admit I didn't look that 
hard.  I wrote my own macros for doing this, initially as TeX macros then as 
LaTeX(209|2e) environment(s).

My basic algorithm was to write the exercise and answers out to a file and 
then read them in at the appropriate place in the text.  This is not entirely 
trivial as the writing has to be of the original code; the verbatim stuff from 
the standard TeX/LaTeX(209|2e) came in very handy at this point.

I suppose I should have turned these macros into a separate package and 
submitted it, if there is enough interest I can do this.  Otherwise I could 
let you have a copy of my macros.

Russel.
=======================================================================

Dr Russel Winder

  Reader in Software Engineering
  Editor-in-Chief, Object Oriented Systems

Information Systems Research Group
Department of Computer Science		  Phone: +44 (0)171 380 7293
University College London		  Fax: +44 (0)171 387 1397
Gower Street				  EMail: R.Winder@cs.ucl.ac.uk
London WC1E 6BT
UK		          URL: http://www.cs.ucl.ac.uk/staff/R.Winder/

=======================================================================



------------------------------

From: reynoldd@ccmail.dcu.ie
Date: Wed, 16 Oct 1996 08:53:11 +0000 (GMT)
Subject: Converting LaTex2e to HTML

     Dear TeXhax Digest,
     
     Presumably there's alot of work being done on how to convert LaTex2e 
     to HTML. I want to put lecture notes with equations onto our intranet. 
     Can you point me to where I might find relevant advice.
     
     Latex2html seems a good answer for unix users. However I use DOS, WIN 
     3.11 and OS2 Warp. I did find correspondence on a newsgroup about 
     compiling a DOS version of LaTex2HTML, but there was much discussion 
     about perl and fork, about which I am ignorant. 
     
     Any advice would be gratefully received.
     
     Regards,
     
     David Reynolds

------------------------------

From: Andreas Schlechte <inas@mexico.mib.harz.de>
Date: Thu, 17 Oct 1996 18:48:23 +0100 (MET)
Subject: Re: TeXhax Digest V96 #13

Hi,

In reply to

> From: Jose Manuel Souto Menendez <mtpsomej@lg.ehu.es>
> Date: Fri, 4 Oct 1996 19:14:51 +0100 (WET DST)
> Subject: Answers

> I am writing a book with Latex and I would like to know how it is posible
> to write the answers of some of the exercises in such a way that that
> they appear at the end of the book. Are there any macros to solve
> this problem? (I am using AMSLaTeX, and with LaTeX2e).
>       Thank you very much,
>       Jose M. Souto

Well, you can either use the macros, Knuth is using in his TeXbook. But it's
(a bit) difficult to implement these. I use some other macros, based on the
package "moreverb.sty", which must be included. 

   ---- solution.sty ----
   %
   % open new file solution.tex for writing
   %
   \newwrite\solutionout
   \immediate\openout\solutionout=solution.tex
   %
   % define environment solutionwrite
   %
   \def\solutionwrite{%
     \@bsphack
     \let\do\@makeother\dospecials
     \catcode`\^^M\active \catcode`\^^I=12
     \def\verbatim@processline{\immediate\write\solutionout{\the\verbatim@line}}%
     \verbatim@start}
   \def\endsolutionwrite{\@esphack}
   %
   % Use this command to close file
   %
   \def\closesolutionfile{\immediate\closeout\solutionout}
   ---- end ----

With these package you will be able to write any string into the file. Here
is an example:

   \documentclass{book}
   \usepackage{moreverb,solution}
   \begin{document}
    \begin{solutionwrite}
      You may use any character in this environment. its although possible to
      write TeX-command into the file:
      \begin{quote}
        Like this quoted block.
      \end{quote}
    \end{solutionwrite}
    %...
    \closesolutionfile
    \input solution.tex
   \end{document}

The only restriction is, that you might not write the string
\end{solutionwrite} into the file. In my opinion there is rather
no need for this. 

Hope, this helps a little bit at least,

  Andi

- -- 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> Andreas Schlechte                      Tel.: +49-5323-1289 Q            <
> Am Klepperberg 2                             +49-5323-9499-7            <
> 38678 Clausthal-Zellerfeld             Fax.: +49-5323-9499-3            <
> Andreas.Schlechte@tu-clausthal.de      http://www.tu-clausthal.de/~inas <
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

------------------------------

From: "P. WISUTHSERIWONG" <fe32@dial.pipex.com>
Date: Fri, 18 Oct 1996 15:07:26 +0000
Subject: Downloading TeX & LaTeX

Hi there,

I'm wondering if you could help. I'm interested in using LaTeX but have 
no idea where & how I can get the programmes. Could you tell me the 
actual file names I need to download from the ctan site please? Oh, do I 
have to have TeX in order to run LaTeX?

Thanks very much for your time.

P. Wisuthseriwong


------------------------------

From: cgm@ssci.liv.ac.uk (Colin Mason)
Date: Tue, 22 Oct 1996 15:08:54 GMT
Subject: Plain TeX query about \csname ... \endcsname

If you do:

  \tracingrestores=1
  {\expandafter\xdef\csname 777\endcsname{555}}
  \bye

you get the message:

  {retaining \777=macro:->555}

in the log file. Page 301 of the TeXbook says that nothing needs to go on the
save stack at the time of a global assignment so I was initially surprised to
get the message. However, page 213 says that \csname ... \endcsname defines the
control sequence to be like \relax if it is not currently defined. So, it would
appear that \csname ... \endcsname first locally defines \777 to be like \relax
and the \xdef then globally redefines it to be 555. If you then do:

  \tracingrestores=1
  {\globaldefs=1 \expandafter\xdef\csname 777\endcsname{555}}
  \bye

it makes no difference. Why? Shouldn't the \csname ... \endcsname globally
define \777 to be like \relax? Or is this some strange exception to the rules?

Thanks in advance for any help.

Colin Mason.

------------------------------

From: Mark Freeman <AFINMF@razor.wbs.warwick.ac.uk>
Date: Mon, 28 Oct 1996 14:29:49 GMT
Subject: Memory question

On 29/8/96 I posted a question to TeXhax on a memory problem that I 
was encountering running LaTeX2.09 under Dos on a document with many 
references.  The following reply was sent to me by Jonathan Fine:

> So far as I can tell, the problem is with the lines of code
> >       \def\bibcite#1#2{\global\@namedef{b@#1}{#2}}
> >       \def\@namedef#1{\expandafter\def\csname #1\endcsname}
> in the main source file for latex, version 2.09.  (Comments on LaTeX
> 2e appear later.)
> 
> Please place the definition
> >       \def\bibcite#1#2{\begingroup\expandafter\endgroup\expandafter
> >               \gdef\csname b@#1\endcsname{#2}}
> somewhere in the preamble to your document.  If I am correct, then
> the problem will go away.
> 
> Explanation.  When \csname ... \endcsname produces an undefined
> control sequence, it is as a local assignment given the value \relax. 
> This has the side effect of occupying space in the save stack.  The
> replacement definition does not remove this side effect, but makes it
> harmless.  The \expandafter's function so that the local definition
> is valid only within the 
> >       \begingroup\expandafter\endgroup
> group of \bibcite.  At the end of this group, the previous value of
> \undefined is restored for \b@#1, and this frees up the space in the
> save stack.  Use \tracingall to get the gory details.
> 
> For another explanation, see my article in Baskerville (4)1,
> published 1994.  In my article I wrote "This [side effect] can cause
> problems in processing LaTeX documents which have a lot of
> cross-references."  So far as I can tell, this problem remains with
> LaTeX 2e.  

As I am running \harvardcite as opposed to \bibcite I made the 
following minor adjustment to Jonathan's proposed solution:

  \def\harvardcite#1#2#3#4{\begingroup\expandafter\endgroup
   \expandafter\gdef\csname b@#1\endcsname{#2} 
   \begingroup\expandafter\endgroup
    \expandafter\gdef\csname bhf@#1\endcsname{#2}
    \begingroup\expandafter\endgroup
    \expandafter\gdef\csname bha@#1\endcsname{#3}
    \begingroup\expandafter\endgroup
    \expandafter\gdef\csname bhy@#1\endcsname{#4}}

This appears to have fixed my problem.  I hope that others might
find this correspondance useful.

Regards,

Mark Freeman.

------------------------------

From: "Robert Greer c/o CUNY 212-346-8450 (fax 346-8453)"  <GREER%BMACADM.bitnet@CUNYVM.CUNY.EDU> 
Date: Fri, 01 Nov 96 10:43:13 EST
Subject: 'none'

Acknowledge-To: <GREER@BMACADM>

------------------------------

End of TeXhax Digest V96 #14
****************************


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