While I remember this:
The help page for call/as.call/is.call says
It is not possible to coerce objects to mode call (objects either
are calls or they are not calls). `as.call' returns its argument
if it is a call and otherwise terminates with an error message.
which actually has been untrue for quite a while, e.g.:
> cl<-as.call(c(ls, list("package:base",
pattern="obj")))
> eval(cl)
[1] "is.object" "objects" "object.size"
"objWithClass"
Someone changed the code without editing the documentation. I know who
the guilty party is and will force him to rewrite the help entry in
due course...
--
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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