R devel - Sep 2004 - browser() is called incidentally (?) somewhere from inside methods::as

Hi,

Executing the following code causes the prompt to enter browser() mode.
>dd<-as(Npatrick1,"list")
Called from: as(Npatrick1, "list")
Browse[1]> 

R : Copyright 2004, The R Foundation for Statistical Computing
Version 2.0.0 beta (2004-09-20), ISBN 3-900051-07-0

Some addtitional info about Npatrick1
> is(Npatrick1)
[1] "Massvectorlist" "Mlist"          "List"      
"list"
[5] "vector"  

/E

Dipl. bio-chem. Witold Eryk Wolski             @         MPI-Moleculare Genetic
Ihnestrasse 63-73 14195 Berlin                'v'    
tel: 0049-30-83875219                        /   \       
mail: witek96@users.sourceforge.net        ---W-W----   
http://www.molgen.mpg.de/~wolski
      wolski@molgen.mpg.de

Wolski wrote:
> Hi,
> 
> Executing the following code causes the prompt to enter browser() mode.
> 

Yes, a bug in line 23 of .../src/library/methods/as.R

Uwe Ligges

>>dd<-as(Npatrick1,"list")
 >
> Called from: as(Npatrick1, "list")
> Browse[1]> 
> 
> R : Copyright 2004, The R Foundation for Statistical Computing
> Version 2.0.0 beta (2004-09-20), ISBN 3-900051-07-0
> 
> Some addtitional info about Npatrick1
> 
> 
>>is(Npatrick1)
> 
> [1] "Massvectorlist" "Mlist"          "List" 
"list"
> [5] "vector"  
> 
> /E
> 
> Dipl. bio-chem. Witold Eryk Wolski             @         MPI-Moleculare
Genetic
> Ihnestrasse 63-73 14195 Berlin                'v'    
> tel: 0049-30-83875219                        /   \       
> mail: witek96@users.sourceforge.net        ---W-W----   
http://www.molgen.mpg.de/~wolski
>       wolski@molgen.mpg.de
> 
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