R devel - Oct 2006 - utils::methods doesn't list methods of 'hidden' generics

Hi all.
I've seen that, on my R installation, utils::methods doesn't list
methods of generics whose name begins with a dot, and I can't see that
mentioned in utils::methods help page.

Antonio.

#########################################
> .foo <- function(x, ...) UseMethod(".foo")
> .foo.bar <- function(x, ...) {}
> methods(.foo)
no methods were found
> version
               _
platform       x86_64-unknown-linux-gnu
arch           x86_64
os             linux-gnu
system         x86_64, linux-gnu
status
major          2
minor          4.0
year           2006
month          10
day            03
svn rev        39566
language       R
version.string R version 2.4.0 (2006-10-03)