[Rd] latex problem with \preformatted (PR#5645)

[gregory_r_warnes at groton.pfizer.com]

OK.  I just tried this under the current r-patched (R-1.8.1 Patched) which I
rsynced and compiled just a few minutes ago.  The problem still persists.

-G


> -----Original Message-----
> From: Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk]
> Sent: Tuesday, December 09, 2003 4:43 PM
> To: gregory_r_warnes at groton.pfizer.com
> Cc: r-devel at stat.math.ethz.ch; R-bugs at biostat.ku.dk
> Subject: Re: [Rd] latex problem with \preformatted (PR#5645)
> 
> 
> Have you tried the *current* version of R?
> 
> From NEWS
> 
>    o   Rd conversion to latex did not add a new line before
>        \end{Section} for the section environments, which caused
>        problems if the last thing in a section was \preformatted{}
>        (and potentially elsewhere).
> 
> 
> On Tue, 9 Dec 2003 gregory_r_warnes at groton.pfizer.com wrote:
> 
> > This message is in MIME format. Since your mail reader does 
> not understand
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> > 
> > ------_=_NextPart_000_01C3BE9C.3FB5BC1A
> > Content-Type: text/plain; charset="iso-8859-1"
> > 
> > 
> > There is a small bug in the implementation of \preformatted 
> in R 1.8.0:
> > The closing "\end{verbatim}" needs to be followed by a 
> newline, since my
> > latex ignores everything following it on the line.
> > 
> > 
> > In an .Rd file I have:
> > 
> > 
> > \details{
> >   This function provides a thin wrapper around the Unix 
> "fork" system
> >   call, which will create a new process which is an exact 
> copy of the
> >   [...]
> >     
> > \preformatted{
> >   {
> >     pid = fork(slave=NULL) 
> >     if(pid==0) { 
> >       cat("Hi from the child process\n"); exit() 
> >     } else {
> >       cat("Hi from the parent process\n");
> >     } 
> >   } 
> > }
> > 
> > }
> > 
> > which gets translated to 
> > 
> > \begin{Details}\relax
> > This function provides a thin wrapper around the Unix "fork" system
> > call, which will create a new process which is an exact copy of the
> > [...]
> > 
> > \begin{verbatim}
> >   \{
> >     pid = fork(slave=NULL) 
> >     if(pid==0) \{ 
> >       cat("Hi from the child process\bsl{}n"); exit() 
> >     \} else \{
> >       cat("Hi from the parent process\bsl{}n");
> >     \} 
> >   \}
> > \end{verbatim}\end{Details}
> > 
> > 
> > When processed by Rd2dvi these warning messages show up in the log:
> > 
> > This is TeX, Version 3.14159 (Web2C 7.3.1) (format=latex 
> 2002.7.17)  9 DEC
> > 2003 16:11
> > [...]
> > 
> > LaTeX Warning: Characters dropped after `\end{verbatim}' on 
> input line 139.
> > 
> > [3] [4] [5] [6] [7] [8] [9]
> > 
> > ! LaTeX Error: \begin{list} on input line 73 ended by 
> \end{document}.
> > 
> > See the LaTeX manual or LaTeX Companion for explanation.
> > Type  H <return>  for immediate help.
> >  ...                                              
> >                                                   
> > l.437 \end{document}
> > [...]
> > 
> > The solution is to simply add an '\n' at the appropriate 
> place in Rdconv.pm:
> > 
> > gsun492: R [61]> diff -u Rdconv.pm.orig Rdconv.pm
> > --- Rdconv.pm.orig 2003-12-09 16:32:17.940846000 -0500
> > +++ Rdconv.pm 2003-12-09 16:32:32.440931000 -0500
> > @@ -2450,7 +2450,7 @@
> >      my $code = $_[0];
> >  
> >      $code = latex_code_trans ($code);
> > -    $code = "\\begin\{verbatim\}" . $code . "\\end\{verbatim\}";
> > +    $code = "\\begin\{verbatim\}" . $code . "\\end\{verbatim\}\n";
> >      $code;
> >  }
> > 
> > after which everything works fine.
> > 
> > -Greg
> > 
> > 
> > Gregory R. Warnes, Ph.D.
> > Senior Coordinator
> > Groton Non-Clinical Statistics
> > Pfizer Global Research and Development
> >  <<Warnes, Gregory R.vcf>> 
> > 
> > 
> > LEGAL NOTICE\ Unless expressly stated otherwise, this 
> messag...{{dropped}}
> > 
> > ______________________________________________
> > R-devel at stat.math.ethz.ch mailing list
> > https://www.stat.math.ethz.ch/mailman/listinfo/r-devel
> > 
> > 
> 
> -- 
> Brian D. Ripley,                  ripley at stats.ox.ac.uk
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> University of Oxford,             Tel:  +44 1865 272861 (self)
> 1 South Parks Road,                     +44 1865 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
> 


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