[R] Error message during debug

[Gabor Grothendieck]

In R 1.9.0 on Windows XP Pro I get an error if I try to
debug the identity function f shown:

 > f <- function(x)x
 > debug(f)
 > f(1)
 debugging in: f(1)
 Error in f(1) : Unimplemented feature in eval
 > R.version.string
 [1] "R version 1.9.0, 2004-04-12"

Without debuggging its ok.



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