R help - Jan 2011 - possible bug in packageVersion()?

Hi,

I received a bug report from a French user who told me there was
something wrong with the function packageVersion(), but
packageDescription() worked well. Below is the session info; I'm not
sure if other French users can reproduce the error message:
> packageVersion('base')
Erreur : sp?cification de version incorrecte base
> sessionInfo()
R version 2.12.1 (2010-12-16)
Platform: i386-apple-darwin9.8.0/i386 (32-bit)

locale:
[1] fr_FR.UTF-8/fr_FR.UTF-8/C/C/fr_FR.UTF-8/fr_FR.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] animation_2.0-1

loaded via a namespace (and not attached):
[1] tcltk_2.12.1 tools_2.12.1

Regards,
Yihui
--
Yihui Xie <xieyihui at gmail.com>
Phone: 515-294-2465 Web: http://yihui.name
Department of Statistics, Iowa State University
2215 Snedecor Hall, Ames, IA

May be this problem is OS specific (mac OS or windows...) i use ubuntu and
have no problem with this function 
R> packageVersion("base")
[1] ?2.12.1?
R> packageVersion('lme4')
[1] ?0.999375.37?
R> sessionInfo()
R version 2.12.1 (2010-12-16)
Platform: x86_64-pc-linux-gnu (64-bit)

locale:
 [1] LC_CTYPE=fr_FR.UTF-8       LC_NUMERIC=C              
 [3] LC_TIME=fr_FR.UTF-8        LC_COLLATE=fr_FR.UTF-8    
 [5] LC_MONETARY=C              LC_MESSAGES=fr_FR.UTF-8   
 [7] LC_PAPER=fr_FR.UTF-8       LC_NAME=C                 
 [9] LC_ADDRESS=C               LC_TELEPHONE=C            
[11] LC_MEASUREMENT=fr_FR.UTF-8 LC_IDENTIFICATION=C       

attached base packages:
[1] grid      stats     graphics  grDevices utils     datasets 
[7] methods   base     

other attached packages:
[1] ggplot2_0.8.9 proto_0.3-8   stringr_0.4   reshape_0.8.3
[5] plyr_1.4      MASS_7.3-9   

loaded via a namespace (and not attached):
[1] tools_2.12.1
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