[Rd] update fails after specific sequence of steps (PR#474)

[Peter Dalgaard BSA]

Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk> writes:

> Strange things happen on Unix too. 
..
> > mod.m<-update(mod.full, ~.~-status:fcategory)
...
> ...and the attached dataframe is corrupted. Must investigate further.
> 
> > ls("Moore")
> [1] "conform"   "fcategory" "fscore"    "L׀@"      "subject"  

I think this is fixed now. Apparently model formulas like the above
caused R to become confused as to the number of variables in the
model and overrun the array of names, subsequently confusing the
garbage collector.

(Temporary workaround: Just don't do that...)

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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