[Rd] (PR#3400)

[Prof Brian Ripley]

Increase $MAXLOOPS in share/perl/R/Rdconv.pm.

This is patched in R-patched and R-devel now.


On Fri, 4 Jul 2003 Martin.Schlather at uni-bayreuth.de wrote:

> 
> Martin Maechler asked me to restate my problem.
> 
> Compiling the file (slightly modified w.r.t. the formerly
> attached file) that can be found at
>      http://www.geo.uni-bayreuth.de/~martin/filetransfer/xswms2d.Rd
> terminates with the error message
> 
> ******* Syntax error: mismatched or missing brackets in
> /-----
>   .....
> \-----
> 
> when compiled by
>     R CMD Rdconv -t txt xswms2d.Rd
> 
> However, the file does not cause any error after deleting the
> line
>       \item{a}{4}
> (line 530), for example. This line is within the simple
> environment
>      \itemize{
>        \item{a}{1} % if this line or
>        \item{a}{2} % this line or
>        \item{a}{3} % this line or
>        \item{a}{4} % this line is deleted no error occurs
>      }
> 
> Although there might be an error in my Rd code, the
> appearance (or not appearance) of the error message is
> surprising, and the reason for the error is not clear
> from the message.
>         _
> platform i686-pc-linux-gnu
> arch     i686
> os       linux-gnu
> system   i686, linux-gnu
> status
> major    1
> minor    7.0
> year     2003
> month    04
> day      16
> language R
> 
> 
> Cheers,
> Martin
> 
> 
> Martin Maechler wrote:
> 
> >>>>>>"Martin" == Martin Schlather <Martin.Schlather at uni-bayreuth.de>
> >>>>>>    on Fri, 4 Jul 2003 15:59:21 +0200 (MET DST) writes:
> >>>>>>
> > 
> > 
> >     Martin> I have attached a larger Rd file that causes an error when
> > 
> > Unfortunately, attachments are always "mangled" when going
> > through R-bugs;  we strongly recommend to put that file on the
> > Net, and only send an URL to it.
> > 
> >     Martin> compiled by
> >     Martin> R CMD Rdconv -t txt xswms2d.Rd
> > 
> >     Martin> (for example). If the size is reduced the error vanishes,
> >     Martin> see the lines 230 and 527 in the file.
> > 
> >     Martin> I could not find an error within my text
> > I know how smart you are, but still, just because you didn't
> > find it, does not really prove ....  ;-)
> > see below
> > 
> >     Martin>  and so my guess is that there is some buffer
> >     Martin> overflow within the compiler.
> > 
> > I don't think so.  When I use cut and paste to recreate your
> > file,
> > and do (in a {t}csh; (ba|k)?sh needs another syntax)
> > 
> >      R CMD Rdconv --debug -t txt xswms2d.Rd >& xswms2d.txt
> > 
> > The resulting file becomes
> > ----------------------------------------------------------
> > -- read file 'xswms2d.Rd';
> > 
> > -- mark_brackets:........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................!
 ...
> ..............................
> > 
> > ******* Syntax error: mismatched or missing brackets in
> > /-----
> > 
> > \name{xswms2d}
> > \alias{xswms2d}
> > \title{Modelling of water flux and solute transport}
> > 
> > <..........>
> > <..........>
> > 
> > --------------------------------------------------------------
> > 
> > and is even a bit larger than the original.
> > I can hardly believe that
> >   ``Syntax error: mismatched or missing brackets in ...''
> > is caused by a (perl) buffer overflow.
> > 
> > Best regards to Bayreuth, in any case
> >  
> > Martin Maechler <maechler at stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
> > Seminar fuer Statistik, ETH-Zentrum  LEO C16	Leonhardstr. 27
> > ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
> > phone: x-41-1-632-3408		fax: ...-1228			<><
> > 
> 
> 
> 
> 

-- 
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