Bug in Rdconv(.pm) (PR#13575)

This is fixed now in R-devel.

Meanwhile a similar issue was found with \kbd in a \value{} preamble, 
but only in Perl 5.10.x (and the same fix resolves that).

The problem is that \pkg gets included (unescaped) in a Perl substitution, 
and in modern Perl \p has a meaning (Unicode property).

Needs to be escaped/quoted, or the code to work a different way (which is 
probably preferable).

On Thu, 5 Mar 2009, ligges at statistik.tu-dortmund.de wrote:

For the record (and as privately discussed with Brian Ripley), happens
with all recent versions of R including R-devel from today:

Consider a simple a.Rd file containing the lines

==================
\name{a}
\title{a}
\value{\code{a} \code{\link[a]{a}} \pkg{a}
   \item{a}{a}
}
==================

with these lines, I get, e.g.:

==================
R CMD Rdconv --type="txt" a.Rd

a                  package:unknown                  R Documentation

a

Value:

    'a' 'a' 'a'
Can't find Unicode property definition "k" at
d:/Rcompile/recent/R/share/perl/R/Rdconv.pm line 2173,
<$rdfile> line 5.
==================

Version:
 platform = i386-pc-mingw32
 arch = i386
 os = mingw32
 system = i386, mingw32
 status = Under development (unstable)
 major = 2
 minor = 9.0
 year = 2009
 month = 03
 day = 03
 svn rev = 48046
 language = R
 version.string = R version 2.9.0 Under development (unstable)
(2009-03-03 r48046)

Windows Server 2008 x64 (build 6001) Service Pack 1

Locale:
LC_COLLATE=C;LC_CTYPE=German_Germany.1252;LC_MONETARY=C;LC_NUMERIC=C;LC_TIME=C

Search Path:
 .GlobalEnv, package:stats, package:graphics, package:grDevices,
package:utils, package:datasets, package:methods, Autoloads, package:base

Uwe Ligges

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-- 
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

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

Bug in Rdconv(.pm) (PR#13575)

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